1 2009-03-31 Joseph Myers <joseph@codesourcery.com>
4 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
5 define_splits, floatunssi<mode>2): Require x87 conversions from
6 DImode to be permitted.
8 2009-03-31 Joseph Myers <joseph@codesourcery.com>
11 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
13 2009-03-31 Richard Guenther <rguenther@suse.de>
17 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
18 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
19 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
21 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
22 (lookup_tmp_var): Likewise.
23 (is_gimple_formal_tmp_or_call_rhs): Remove.
24 (is_gimple_reg_or_call_rhs): Rename to ...
25 (is_gimple_reg_rhs_or_call): ... this.
26 (is_gimple_mem_or_call_rhs): Rename to ...
27 (is_gimple_mem_rhs_or_call): ... this.
28 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
29 DECL_GIMPLE_REG_P only if is_formal is true.
30 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
31 for non-proper post-modify expression gimplification.
32 (gimplify_self_mod_expr): For post-modify expressions gimplify
33 the lvalue to a minimal lvalue.
34 (rhs_predicate_for): Remove formal temp case.
35 (gimplify_modify_expr_rhs): Likewise.
36 (gimplify_addr_expr): Use is_gimple_reg.
37 (gimplify_expr): Remove formal temp cases.
38 (gimple_regimplify_operands): Likewise.
39 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
40 and FILTER_EXPR like constants.
41 * gimple.c (walk_gimple_op): Fix val_only initialization, use
43 (is_gimple_formal_tmp_rhs): Remove.
44 (is_gimple_reg_rhs): Remove special casing.
45 (is_gimple_mem_rhs): Fix.
46 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
47 (is_gimple_formal_tmp_var): Remove.
48 (is_gimple_formal_tmp_reg): Likewise.
49 (is_gimple_min_lval): Allow invariant component ref parts.
50 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
51 is_gimple_formal_tmp_reg): Remove declarations.
52 * tree-cfg.c (verify_expr): Verify that variables with address
53 taken do not have DECL_GIMPLE_REG_P set.
54 * tree-mudflap.c (mf_build_check_statement_for): Use
55 force_gimple_operand instead of gimplify_expr.
57 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
59 * modulo-sched.c (sms_schedule_by_order): Pass the actual
60 schedulable rows to compute_split_row.
62 2009-03-31 Ben Elliston <bje@au.ibm.com>
65 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
68 2009-03-31 Alan Modra <amodra@bigpond.net.au>
70 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
71 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
72 * configure: Regenerate.
73 * config.in: Regenerate.
74 * config/rs6000/rs6000.opt (mtls-markers): Add.
75 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
76 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
77 (tls_ld_aix, tls_ld_sysv): Likewise.
78 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
79 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
81 2009-03-31 Alan Modra <amodra@bigpond.net.au>
83 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
85 2009-03-30 Jan Hubicka <jh@suse.cz>
87 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
89 (tree_remove_unreachable_handlers): Cleanup EH predecestor
90 detection and label handling.
92 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
94 * ira-int.h (ira_allocno): Rename left_conflicts_num to
96 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
97 ALLOCNO_LEFT_CONFLICTS_SIZE.
99 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
100 remove_allocno_from_bucket_and_push,
101 allocno_spill_priority_compare, push_allocnos_to_stack,
102 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
103 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
104 (setup_allocno_left_conflicts_num): Ditto. Rename to
105 setup_allocno_left_conflicts_size.
106 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
107 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
108 setup_allocno_left_conflicts_size instead of
109 setup_allocno_left_conflicts_num.
111 * ira-build.c (ira_create_allocno): Use
112 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
113 ALLOCNO_LEFT_CONFLICTS_NUM.
115 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
117 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
118 instead of DF_LR_OUT.
120 * ira-lives.c (process_bb_node_lives): Ditto.
122 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
123 instead of DF_LR_{OUT,IN}.
125 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
127 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
129 2009-03-30 Jan Hubicka <jh@suse.cz>
131 * except.c (label_to_region_map): Fix thinko.
133 2009-03-30 Steve Ellcey <sje@cup.hp.com>
136 * tree.h (tree_find_value): New declaration.
137 * tree.c (tree_find_value): New function.
138 * varasm.c (assemble_external): Avoid duplicate entries on lists.
140 2009-03-30 Jakub Jelinek <jakub@redhat.com>
143 * c-decl.c (struct c_binding): Add locus field.
144 (bind): Add locus argument, set locus field from it.
145 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
146 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
147 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
148 implicitly_declare, undeclared_variable, lookup_label,
149 declare_label, c_make_fname_decl, c_builtin_function,
150 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
153 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
156 * config/i386/i386.c (classify_argument): Check total size of
159 2009-03-30 Martin Jambor <mjambor@suse.cz>
161 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
162 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
163 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
166 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
167 seen_variable_array_ref while also traversing a union.
169 * tree-inline.c (optimize_inline_calls): Do not call
170 cgraph_node_remove_callees.
171 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
172 (pass_remove_cgraph_callee_edges): New variable.
173 * passes.c (init_optimization_passes): Add
174 pass_remove_cgraph_callee_edges after early inlining and before all
175 late intraprocedural passes.
177 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
179 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
181 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
184 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
186 * combine.c (simplify_comparison): Use have_insn_for.
187 * dojump.c (do_jump): Likewise.
189 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
191 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
192 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
193 sparc_compare_op0 like sparc_compare_emitted used to be handled.
194 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
195 instead of sparc_compare_emitted.
196 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
197 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
198 instead of sparc_compare_emitted.
200 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
202 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
203 enter/exit cfglayout mode.
204 (pass_partition_block): Require it.
205 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
206 (combine_instructions): Track basic blocks instead of labels.
207 (update_cfg_for_uncondjump): New.
208 (try_combine): Use it. Update jumps after rescanning.
209 (pass_combine): Require PROP_cfglayout.
210 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
212 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
214 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
215 Provide/destroy PROP_cfglayout respectively.
216 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
217 * tree-pass.h (PROP_cfglayout): New.
219 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
221 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
222 fold_convert_const_fixed_from_fixed,
223 fold_convert_const_fixed_from_int,
224 fold_convert_const_fixed_from_real, fold_negate_const): Do not
225 set TREE_CONSTANT_OVERFLOW.
226 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
227 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
229 2009-03-30 Ira Rosen <irar@il.ibm.com>
231 * tree-vect-loop-manip.c: New file.
232 * tree-vectorizer.c: Update documentation and included files.
233 (vect_loop_location): Make extern.
234 (rename_use_op): Move to tree-vect-loop-manip.c
235 (rename_variables_in_bb, rename_variables_in_loop,
236 slpeel_update_phis_for_duplicate_loop,
237 slpeel_update_phi_nodes_for_guard1,
238 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
239 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
240 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
241 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
242 find_loop_location): Likewise.
243 (new_stmt_vec_info): Move to tree-vect-stmts.c.
244 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
245 get_vectype_for_scalar_type, vect_is_simple_use,
246 supportable_widening_operation, supportable_narrowing_operation):
248 (bb_in_loop_p): Move to tree-vect-loop.c.
249 (new_loop_vec_info, destroy_loop_vec_info,
250 reduction_code_for_scalar_code, report_vect_op,
251 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
252 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
253 (vect_supportable_dr_alignment): Likewise.
254 * tree-vectorizer.h (tree-data-ref.h): Include.
255 (vect_loop_location): Declare.
256 Reorganize function declarations according to the new file structure.
257 * tree-vect-loop.c: New file.
258 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
259 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
260 * tree-vect-data-refs.c: New file.
261 * tree-vect-patterns.c (timevar.h): Don't include.
262 * tree-vect-stmts.c: New file.
263 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
264 tree-vect-slp.c, tree-vect-loop.c.
265 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
266 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
267 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
268 (tree-vect-analyze.o): Remove.
269 (tree-vect-transform.o): Likewise.
270 (tree-vect-data-refs.o): Add rule.
271 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
272 tree-vect-slp.o): Likewise.
273 (tree-vect-patterns.o): Remove redundant dependencies.
274 (tree-vectorizer.o): Likewise.
275 * tree-vect-slp.c: New file.
277 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
279 * optc-gen.awk: Warn if an option flag has multiple different
282 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
284 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
285 -floop-block): Document dependences on PPL, CLooG and Graphite.
287 2009-03-30 Joseph Myers <joseph@codesourcery.com>
289 PR rtl-optimization/323
290 * c-common.c (c_fully_fold, convert_and_check,
291 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
292 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
293 * c-common.def (EXCESS_PRECISION_EXPR): New.
294 * c-cppbuiltin.c (builtin_define_float_constants): Define
295 constants with enough digits for long double.
296 * c-lex.c (interpret_float): Interpret constant with excess
297 precision where appropriate.
298 * c-opts.c (c_common_post_options): Set
299 flag_excess_precision_cmdline. Give an error for
300 -fexcess-precision=standard for C++ for processors where the
301 option is significant.
302 * c-parser.c (c_parser_conditional_expression): Handle excess
303 precision in condition.
304 * c-typeck.c (convert_arguments): Handle arguments with excess
306 (build_unary_op): Move excess precision outside operation.
307 (build_conditional_expr): Likewise.
308 (build_compound_expr): Likewise.
309 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
310 (build_modify_expr): Handle excess precision in RHS.
311 (convert_for_assignment): Handle excess precision in converted
313 (digest_init, output_init_element, process_init_element): Handle
314 excess precision in initializer.
315 (c_finish_return): Handle excess precision in return value.
316 (build_binary_op): Handle excess precision in operands and add
317 excess precision as needed for operation.
318 * common.opt (-fexcess-precision=): New option.
319 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
320 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
321 For standard excess precision, output explicit conversion to and
322 truncation from XFmode.
323 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
324 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
325 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
326 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
327 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
328 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
329 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
330 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
331 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
332 define_splits, sqrt<mode>2): Disable where appropriate for
333 standard excess precision.
334 * convert.c (convert_to_real): Do not shorten arithmetic to type
335 for which excess precision would be used.
336 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
337 * doc/invoke.texi (-fexcess-precision=): Document option.
338 (-mfpmath=): Correct index entry.
339 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
340 flag_excess_precision): New.
341 * langhooks.c (lhd_post_options): Set
342 flag_excess_precision_cmdline.
343 * opts.c (common_handle_option): Handle -fexcess-precision=.
344 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
345 init_excess_precision): New.
346 (lang_dependent_init_target): Call init_excess_precision.
347 * tree.c (excess_precision_type): New.
348 * tree.h (excess_precision_type): Declare.
350 2009-03-30 Joseph Myers <joseph@codesourcery.com>
353 * c-typeck.c (build_component_ref): Do not copy qualifiers from
354 non-lvalue to component.
356 2009-03-29 Joseph Myers <joseph@codesourcery.com>
358 PR preprocessor/34695
359 * Makefile.in (c-opts.o): Depend on c-tree.h.
360 * c-common.c: Move down include of diagnostic.h.
361 (done_lexing, c_cpp_error): New.
362 * c-common.h (done_lexing): Declare.
363 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
365 * c-opts.c: Include c-tree.h.
366 (c_common_init_options): Set preprocessor error callback.
367 (c_common_handle_option): Do not set preprocessor
368 inhibit_warnings, warnings_are_errors, warn_system_headers,
369 pedantic_errors or inhibit_warnings flags.
370 (c_common_post_options): Do not check cpp_errors (parse_in).
371 (c_common_finish): Do not output dependencies if there were
372 errors. Do not check return value of cpp_finish.
373 * c-ppoutput.c (pp_file_change): Set input_location.
374 * c-tree.h (c_cpp_error): Declare.
375 * diagnostic.c (diagnostic_set_info_translated): Also initialize
377 (diagnostic_build_prefix): Check override_column.
378 * diagnostic.h (diagnostic_info): Add override_column field.
379 (diagnostic_override_column): Define.
381 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
383 * c-common.c (c_expand_expr, c_staticp): Remove.
384 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
385 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
386 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
387 * c-gimplify.c (gimplify_compound_literal_expr,
388 optimize_compound_literals_in_ctor): Remove.
389 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
390 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
391 * c-semantics.c (emit_local_var): Remove.
393 * langhooks-def.h (lhd_expand_expr): Remove.
394 * langhooks.c (lhd_expand_expr): Remove.
395 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
397 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
398 handling from c-semantics.c; don't call into langhook.
399 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
400 * gimplify.c (gimplify_compound_literal_expr,
401 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
402 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
403 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
404 as was done in c-gimplify.c.
405 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
406 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
407 Move from c-common.h.
408 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
410 * tree.c (staticp): Do not call langhook.
411 * langhooks.c (lhd_staticp): Delete.
412 * langhooks-def.h (lhd_staticp): Delete prototype.
413 (LANG_HOOKS_STATICP): Delete.
414 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
416 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
417 instead of DECL_STMTs.
419 2009-03-29 Joseph Myers <joseph@codesourcery.com>
427 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
429 (fold_call_expr): Return a NOP_EXPR from folding rather than the
430 contained expression.
431 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
432 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
433 conditional expressions for C.
434 (decl_constant_value_for_optimization): Move from
435 decl_constant_value_for_broken_optimization in c-typeck.c. Check
436 whether optimizing and that the expression is a VAR_DECL not of
437 array type instead of doing such checks in the caller. Do not
438 check pedantic. Call gcc_unreachable for C++.
439 * c-common.def (C_MAYBE_CONST_EXPR): New.
440 * c-common.h (c_fully_fold, c_save_expr,
441 decl_constant_value_for_optimization): New prototypes.
442 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
443 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
444 EXPR_INT_CONST_OPERANDS): Define.
445 * c-convert.c (convert): Strip nops from expression.
446 * c-decl.c (groktypename): Take extra parameters expr and
447 expr_const_operands. Update call to grokdeclarator.
448 (start_decl): Update call to grokdeclarator. Add statement for
449 expressions used in type of decl.
450 (grokparm): Update call to grokdeclarator.
451 (push_parm_decl): Update call to grokdeclarator.
452 (build_compound_literal): Add parameter non_const and build a
453 C_MAYBE_COSNT_EXPR if applicable.
454 (grokdeclarator): Take extra parameters expr and
455 expr_const_operands. Track expressions used in declaration
456 specifiers and declarators. Fold array sizes and track whether
457 they are constant expressions and whether they are integer
458 constant expressions.
459 (parser_xref_tag): Set expr and expr_const_operands fields in
461 (grokfield): Update call to grokdeclarator.
462 (start_function): Update call to grokdeclarator.
463 (build_null_declspecs): Set expr and expr_const_operands fields in
465 (declspecs_add_type): Handle expressions in typeof specifiers.
466 * c-parser.c (c_parser_declspecs): Set expr and
467 expr_const_operands fields for declaration specifiers.
468 (c_parser_enum_specifier): Likewise.
469 (c_parser_struct_or_union_specifier): Likewise.
470 (c_parser_typeof_specifier): Likewise. Update call to
471 groktypename. Fold expression as needed. Return expressions with
472 type instead of adding statements.
473 (c_parser_attributes): Update calls to c_parser_expr_list.
474 (c_parser_statement_after_labels): Fold expression before passing
475 to objc_build_throw_stmt.
476 (c_parser_condition): Fold expression.
477 (c_parser_asm_operands): Fold expression.
478 (c_parser_conditional_expression): Use c_save_expr. Update call
479 to build_conditional_expr.
480 (c_parser_alignof_expression): Update call to groktypename.
481 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
482 original_code. Fold expression argument of va_arg. Create
483 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
484 argument to va_arg. Update calls to groktypename. Fold array
485 index for offsetof. Verify that first argument to
486 __builtin_choose_expr has integer type.
487 (c_parser_postfix_expression_after_paren_type): Update calls to
488 groktypename and build_compound_literal. Handle expressions with
489 side effects in type name.
490 (c_parser_postfix_expression_after_primary): Update call to
491 c_parser_expr_list. Set original_code for calls to
492 __builtin_constant_p.
493 (c_parser_expr_list): Take extra parameter fold_p. Fold
494 expressions if requested.
495 (c_parser_objc_type_name): Update call to groktypename.
496 (c_parser_objc_synchronized_statement): Fold expression.
497 (c_parser_objc_receiver): Fold expression.
498 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
499 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
500 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
501 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
502 (struct c_typespec): Add elements expr and expr_const_operands.
503 (struct c_declspecs): Add elements expr and expr_const_operands.
504 (groktypename, build_conditional_expr, build_compound_literal):
506 (in_late_binary_op): Declare.
507 * c-typeck.c (note_integer_operands): New function.
508 (in_late_binary_op): New variable.
509 (decl_constant_value_for_broken_optimization): Move to c-common.c
510 and rename to decl_constant_value_for_optimization.
511 (default_function_array_conversion): Do not strip nops.
512 (default_conversion): Do not call
513 decl_constant_value_for_broken_optimization.
514 (build_array_ref): Do not fold result.
515 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
516 result when operand is a VLA.
517 (c_expr_sizeof_type): Update call to groktypename. Handle
518 expressions included in type name. Use C_MAYBE_CONST_EXPR for
519 result when operand names a VLA type.
520 (build_function_call): Update call to build_compound_literal.
521 Only fold result for calls to __builtin_* functions. Strip
522 NOP_EXPR from INTEGER_CST returned from such functions. Fold
523 the function designator.
524 (convert_arguments): Fold arguments. Update call to
525 convert_for_assignment.
526 (build_unary_op): Handle increment and decrement of
527 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
528 decrement earlier. Fold operand of increment and decrement.
529 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
530 built for integer operand. Wrap returns that are INTEGER_CSTs
531 without being integer constant expressions or that have integer
532 constant operands without being INTEGER_CSTs.
533 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
534 (build_conditional_expr): Add operand ifexp_bcp. Track whether
535 result is an integer constant expression or can be used in
536 unevaluated parts of one and avoid folding and wrap as
537 appropriate. Fold operands before possibly doing -Wsign-compare
539 (build_compound_expr): Wrap result for C99 if operands can be used
540 in integer constant expressions.
541 (build_c_cast): Update call to digest_init. Do not ignore
542 overflow from casting floating-point constants to integers. Wrap
543 results that could be confused with integer constant expressions,
544 null pointer constants or floating-point constants.
545 (c_cast_expr): Update call to groktypename. Handle expressions
546 included in type name.
547 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
548 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
549 Update calls to convert_for_assignment.
550 (convert_for_assignment): Take new parameter
551 null_pointer_constant. Do not strip nops or call
552 decl_constant_value_for_broken_optimization. Set
553 in_late_binary_op for conversions to boolean.
554 (store_init_value): Update call to digest_init.
555 (digest_init): Take new parameter null_pointer_constant. Do not
556 call decl_constant_value_for_broken_optimization. pedwarn for
557 initializers not constant expressions. Update calls to
558 convert_for_assignment.
559 (constructor_nonconst): New.
560 (struct constructor_stack): Add nonconst element.
561 (really_start_incremental_init, push_init_level, pop_init_level):
562 Handle constructor_nonconst and nonconst element.
563 (set_init_index): Call constant_expression_warning for array
565 (output_init_element): Fold value. Set constructor_nonconst as
566 applicable. pedwarn for initializers not constant expressions.
567 Update call to digest_init. Call constant_expression_warning
568 where constant initializers are required.
569 (process_init_element): Use c_save_expr.
570 (c_finish_goto_ptr): Fold expression.
571 (c_finish_return): Fold return value. Update call to
572 convert_for_assignment.
573 (c_start_case): Fold switch expression.
574 (c_process_expr_stmt): Fold expression.
575 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
576 ensure statement expression is not evaluated in constant expression.
577 (build_binary_op): Track whether results are integer constant
578 expressions or may occur in such, disable folding and wrap results
579 as applicable. Fold operands for -Wsign-compare warnings unless
581 (c_objc_common_truthvalue_conversion): Handle results folded to
582 integer constants that are not integer constant expressions.
583 * doc/extend.texi: Document when typeof operands are evaluated,
584 that condition of __builtin_choose_expr is an integer constant
585 expression, and more about use of __builtin_constant_p in
588 2009-03-29 Richard Guenther <rguenther@suse.de>
590 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
591 propagate addresses of array references.
593 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
595 * regmove.c (perhaps_ends_bb_p): Remove.
596 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
597 from INSN and check that the main loop stays within that basic block.
598 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
599 (regmove_forward_pass): Split out from regmove_optimize. Use
600 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
601 (regmove_backward_pass): Split out from regmove_optimize. Use
602 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
603 (regmove_optimize): Simplify.
605 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
608 * config/i386/i386.c (classify_argument): Ignore flexible array
609 member in struct and warn ABI change.
611 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
613 * config/i386/i386-protos.h (ix86_agi_dependent): New.
615 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
616 (ix86_adjust_cost): Updated.
618 2009-03-29 Jan Hubicka <jh@suse.cz>
621 * tree-pass.h (pass_cleanup_eh): New function.
622 (remove_unreachable_regions): Break code handling RTL
623 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
624 that can not be reached by runtime.
625 (can_be_reached_by_runtime): New function.
626 (label_to_region_map): New function.
627 (num_eh_regions): New function.
628 (rtl_remove_unreachable_regions): New function.
629 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
630 (remove_eh_region): New function.
631 * except.h: Include sbitmap and vecprim.
632 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
633 num_eh_regions): Declare.
634 * passes.c (init_optimization_passes): Schedule cleanup_eh.
635 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
636 * tree-eh.c (tree_remove_unreachable_handlers): New function.
637 (tree_empty_eh_handler_p): New function.
638 (cleanup_empty_eh): New function.
639 (cleanup_eh): New function.
640 (pass_cleanup_eh): New function.
642 2009-03-29 Jan Hubicka <jh@suse.cz>
644 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
647 2009-03-29 Jan Hubicka <jh@suse.cz>
649 * except.c (dump_eh_tree): Dump all datastructures.
651 2009-03-29 Jan Hubicka <jh@suse.cz>
653 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
654 (duplicate_eh_regions_1): Likewise.
655 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
656 vector; call EH verification.
657 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
658 Be ready for region being removed.
660 2009-03-29 Jan Hubicka <jh@suse.cz>
662 * bitmap.c (bitmap_last_set_bit): New function.
663 * bitmap.h (bitmap_last_set_bit): Declare.
665 2009-03-29 David Ayers <ayers@fsfe.org>
668 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
669 by calling objc_compare_types and surpress warnings about
670 incompatible C pointers that are compatible ObjC pointers.
672 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
674 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
675 call initialize_inline_failed.
676 (initialize_inline_failed): Move it from here ...
677 * cgraph.c (initialize_inline_failed): ... to here.
678 (cgraph_create_edge): Call initialize_inline_failed rather than
679 setting inline_failed directly.
681 2009-03-29 Ben Elliston <bje@au.ibm.com>
684 * sysv4.opt (msdata): Improve comment.
685 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
686 * sysv4.h (SVR4_ASM_SPEC): Likewise.
688 2009-03-29 Ben Elliston <bje@au.ibm.com>
691 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
692 load and store attributes.
694 2009-03-29 Ben Elliston <bje@au.ibm.com>
696 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
697 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
698 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
699 * doc/extend.texi (X86 Built-in Functions): Add index entries for
700 __builtin_infq and __builtin_huge_valq.
702 2009-03-28 Anatoly Sokolov <aesok@post.ru>
704 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
706 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
707 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
709 2009-03-28 Xinliang David Li <davidxl@google.com>
711 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
712 (do_dbg_cnt): New function.
714 2009-03-28 Jan Hubicka <jh@suse.cz>
716 Merge from pretty-ipa:
718 2009-03-27 Jan Hubicka <jh@suse.cz>
720 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
721 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
722 * passes.c (function_called_by_processed_nodes_p): New.
723 * ipa-pure-const.c (check_call): Fix handling of operands.
724 (analyze_function): Dump debug output for skipped bodies.
725 (local_pure_const): Use function_called_by_processed_nodes_p.
726 * dwarf2out.c (reference_to_unused): Use output.
727 * passes.c (do_per_function_toporder): Likewise.
729 2008-11-12 Jan Hubicka <jh@suse.cz>
731 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
732 * ipa-pure-const.c (funct_state_d): Add can throw field; make
733 state_set_in_source enum
734 (check_decl): Ignore memory tags; do not set fake looping flags;
736 (check_operand, check_tree, check_rhs_var, check_lhs_var,
737 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
738 (check_call, analyze_function): Rewrite.
740 (add_new_function): Update call of analyze_function.
741 (generate_summary): Add call of analyze_function.
742 (propagate): Propagate can_throw; handle state_set_in_source correctly.
743 (local_pure_const): New function.
744 (pass_local_pure_const): New pass.
745 * ipa-inline.c (inline_transform): Set after_inlining.
746 * tree-eh.c (stmt_can_throw_external): New.
747 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
748 work with aliasing built.
749 * tree-flow.h (stmt_can_throw_external): New.
750 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
751 and local pure/const pass in early and late optimization queue.
753 2009-03-28 Martin Jambor <mjambor@suse.cz>
755 * fold-const.c (get_pointer_modulus_and_residue): New parameter
757 (fold_binary): Allow function decl aligment consideration is the
758 second argument is integer constant one.
759 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
760 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
761 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
763 2009-03-28 Jan Hubicka <jh@suse.cz>
765 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
766 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
767 * function.h (rtl_data): Add nothrow flag.
768 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
769 set DECL_NOTHROW for AVAILABLE functions.
771 2009-03-28 Jakub Jelinek <jakub@redhat.com>
773 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
774 following vector keyword has expansion starting with pixel or bool
775 keyword, expand vector to __vector and pixel or bool to __pixel or
779 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
780 warn_if_disallowed_function_p): Removed.
781 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
782 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
783 warning_if_disallowed_function_p.
784 * flags.h (warn_if_disallowed_function_p,
785 warn_disallowed_functions): Removed.
786 * common.opt (Wdisallowed-function-list=): Removed.
787 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
789 2009-03-28 Richard Guenther <rguenther@suse.de>
791 PR tree-optimization/38723
792 * tree-ssa-pre.c (compute_avail): Add all default definitions to
795 2009-03-28 Jan Hubicka <jh@suse.cz>
797 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
798 test introduced by my previous patch.
800 2009-03-28 Richard Guenther <rguenther@suse.de>
802 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
803 the PHIs value undefined.
805 2009-03-28 Jan Hubicka <jh@suse.cz>
807 * tree-pass.h (pass_fixup_cfg): New pass.
808 * ipa-inline.c (inline_transform): Set
809 always_inline_functions_inlined/after_inlining.
810 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
811 (pass_fixup_cfg): New pass.
812 * passes.c (init_optimization_passes): Add fixup_cfg.
814 2009-03-28 Richard Guenther <rguenther@suse.de>
816 PR tree-optimization/38458
817 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
818 argument use the arguments copy-of value.
820 2009-03-28 Richard Guenther <rguenther@suse.de>
822 PR tree-optimization/38180
823 * tree-ssa-ccp.c (get_default_value): Simplify.
824 (likely_value): Likewise.
825 (surely_varying_stmt_p): Properly handle VOP case.
826 (ccp_initialize): Likewise.
827 (ccp_fold): Handle propagating through *&.
828 (fold_const_aggregate_ref): Also handle decls.
830 2009-03-28 Jan Hubicka <jh@suse.cz>
832 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
833 * cgraph.h (cgraph_node): Likewise.
834 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
835 (cgraph_reset_node): Use process flag.
836 (cgraph_mark_functions_to_output): Likewise.
837 (cgraph_expand_function): Likewise.
838 (cgraph_expand_all_functions): Likewise.
839 (cgraph_output_in_order): Likewise.
840 * dwarf2out.c (reference_to_unused): Likewise.
841 * passes.c do_per_function_toporder): Likewise.
843 2009-03-28 Jan Hubicka <jh@suse.cz>
845 Bring from lto-branch:
847 2008-09-03 Doug Kwan <dougkwan@google.com>
849 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
850 enums instead of reason strings.
851 * cgraph.c (cgraph_create_edge): Same.
852 (cgraph_inline_failed_string): New function.
853 * cgraph.h (cgraph_inline_failed_t): New enum type.
854 (cgraph_inline_failed_string): New prototype.
855 (struct cgraph_edge): Change type of INLINED_FAILED from constant
856 char pointer to cgraph_inline_failed_t.
857 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
858 (cgraph_default_inline_p): Ditto.
859 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
860 to cgraph_inline_failed_t pointer.
861 * cif-code.def: New file.
862 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
864 (cgraph_check_inline_limits): Change type of REASON to pointer to
865 cgraph_inline_failed_t. Replace reason strings with enums.
866 (cgraph_default_inline_p): Ditto.
867 (cgraph_recursive_inlining_p): Ditto.
868 (update_caller_keys): Change type of FAILED_REASON to
869 cgraph_inline_failed_t.
870 (cgraph_set_inline_failed): Change type of REASON to pointer to
871 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
872 convert enums to strings for text output.
873 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
874 to be of type cgraph_inline_failed_t. Replace reason strings with
875 enums. Call cgraph_inline_failed_string to covert enums
876 to strings for text output.
877 (cgraph_decide_inlining): Replace reason strings with enums.
878 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
879 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
881 * tree-inline.c (expand_call_inline): Change type of REASON
882 to cgraph_inline_failed_t. Replace reason strings with enums.
883 Call cgraph_inline_failed_string for text output.
884 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
887 2009-03-28 Jan Hubicka <jh@suse.cz>
889 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
890 cgraph_clone_node): Remove master clone handling.
891 (cgraph_is_master_clone, cgraph_master_clone): Remove.
892 * cgraph.h (master_clone): Remove.
893 (cgraph_is_master_clone, cgraph_master_clone): Remove.
894 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
895 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
897 2009-03-28 Jan Hubicka <jh@suse.cz>
899 * cgraph.c (cgraph_function_body_availability): Functions declared
900 inline are always safe to assume that it is not going to be replaced.
902 2009-03-28 Richard Guenther <rguenther@suse.de>
904 PR tree-optimization/38513
905 * tree-ssa-pre.c (eliminate): Remove redundant stores.
906 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
907 EXC_PTR_EXPR and FILTER_EXPR.
908 (get_ref_from_reference_ops): Likewise.
910 2009-03-28 Richard Guenther <rguenther@suse.de>
912 PR tree-optimization/38968
913 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
914 Use FLOOR_MOD_EXPR to compute misalignment.
916 2009-03-28 Richard Guenther <rguenther@suse.de>
918 PR tree-optimization/37795
919 * tree.h (combine_comparisons): Declare.
920 * fold-const.c (combine_comparisons): Export.
921 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
923 (ifcombine_iforif): Use combine_comparisons.
925 2009-03-28 Jan Hubicka <jh@suse.cz>
927 * tree-eh.c (inlinable_call_p): New function.
928 (make_eh_edges): Use it.
929 (verify_eh_edges): Use it.
930 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
931 * except.c (reachable_next_level): Add inlinable_function argument
932 (sjlj_find_directly_reachable_regions): Update.
933 (add_reachable_handler): Do not set saw_any_handlers.
934 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
935 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
936 Add new inlinable call parameter.
937 (can_throw_internal, can_throw_external): Update.
938 * except.h (can_throw_internal_1, can_throw_external_1,
939 foreach_reachable_handler): Update declaration.
941 2009-03-28 Joseph Myers <joseph@codesourcery.com>
943 * config/arm/t-arm-coff, config/h8300/coff.h,
944 config/i386/i386-aout.h, config/i386/i386-coff.h,
945 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
946 config/pdp11/2bsd.h, config/rs6000/aix41.h,
947 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
948 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
949 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
951 * Makefile.in: Remove protoize and fixproto support and references
953 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
954 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
956 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
957 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
959 (rest.encap): Don't depend on $(STMP_FIXPROTO)
960 (.PHONY): Don't depend on proto.
961 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
962 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
963 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
964 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
965 build/gen-protos.o, build/scan.o, xsys-protos.h,
966 build/fix-header$(build_exeext), build/fix-header.o,
967 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
968 stmp-install-fixproto): Remove.
969 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
970 SYSCALLS.c or fixproto files.
971 (install-common): Don't install protoize.
972 (install-headers-tar, install-headers-cpio, install-headers-cp):
973 Don't depend on $(STMP_FIXPROTO).
974 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
975 install fixproto files or write out fixproto settings.
976 (uninstall): Don't uninstall protoize.
977 * config.gcc (use_fixproto): Remove.
978 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
979 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
980 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
981 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
982 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
983 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
984 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
985 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
986 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
987 * config/t-vxworks (STMP_FIXPROTO): Remove.
988 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
989 STMP_FIXPROTO): Remove.
990 * config.in, configure: Regenerate.
991 * crtstuff.c (gid_t, uid_t): Don't undefine.
992 * doc/install.texi: Change m68k-coff to m68k-elf in example.
993 (arm-*-coff, arm-*-aout: Remove target entries.
994 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
995 Remove mention of AIX 4.1.
996 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
997 * doc/invoke.texi (Running Protoize): Remove.
998 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
999 (Protoize Caveats): Remove.
1000 * tsystem.h: Update comments on headers assumed to exist.
1002 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
1004 * genautomata.c: Add a new year to the copyright. Add a new
1006 (struct insn_reserv_decl): Add comments for member bypass_list.
1007 (find_bypass): Remove.
1008 (insert_bypass): New.
1009 (process_decls): Use insert_bypass.
1010 (output_internal_insn_latency_func): Output all bypasses with the
1011 same input insn in one switch case.
1013 * rtl.def (define_bypass): Describe bypass choice.
1014 * doc/md.texi (define_bypass): Ditto.
1016 2009-03-27 Richard Guenther <rguenther@suse.de>
1018 * gimplify.c (mark_addressable): Export.
1019 * tree-flow.h (mark_addressable): Declare.
1020 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
1021 * tree-ssa.c (verify_phi_args): Verify that address taken
1022 variables have TREE_ADDRESSABLE set.
1024 2009-03-27 Richard Guenther <rguenther@suse.de>
1026 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
1027 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
1028 Do not mark decls TREE_ADDRESSABLE.
1029 (build_fold_addr_expr): Adjust.
1030 (fold_addr_expr): Remove.
1031 (fold_unary): Use build_fold_addr_expr.
1032 (fold_comparison): Likewise.
1033 (split_address_to_core_and_offset): Likewise.
1034 * coverage.c (tree_coverage_counter_addr): Mark the array decl
1036 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
1037 (gimplify_modify_expr_to_memcpy): Mark source and destination
1039 * omp-low.c (create_omp_child_function): Mark the object decl
1041 (lower_rec_input_clauses): Mark the var we take the address of
1043 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
1045 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1048 * cfgexpand.c (expand_one_stack_var_at): Change alignment
1049 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
1051 2009-03-27 Richard Guenther <rguenther@suse.de>
1053 PR tree-optimization/39120
1054 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
1056 (handle_lhs_call): Process return constraints. Add escape
1057 constraints if necessary.
1058 (handle_const_call): Fill out return constraints. Make nested
1059 case more precise. Avoid consttmp if possible.
1060 (handle_pure_call): Fill out return constraints. Avoid
1061 callused if possible.
1062 (find_func_aliases): Simplify call handling.
1064 2009-03-27 Richard Guenther <rguenther@suse.de>
1066 PR tree-optimization/39120
1067 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
1068 as a representative.
1069 (solve_graph): Do propagate CALLUSED.
1070 (handle_pure_call): Use a scalar constraint from CALLUSED for
1072 (find_what_p_points_to): CALLUSED shall not appear in poins-to
1075 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1078 * c-common.c (handle_aligned_attribute): Properly check alignment
1079 overflow. Use (1U << i) instead of (1 << i).
1081 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
1083 * expr.h (get_mem_align_offset): Updated.
1085 * tree.h (tree_decl_common): Change align to "unsigned int" and
1086 move it before pointer_alias_set.
1088 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1089 Jakub Jelinek <jakub@redhat.com>
1092 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
1093 gr_register_operand with gr_reg_or_0_operand.
1094 (cmpxchg_rel_di): Likewise.
1095 (sync_lock_test_and_set<mode>): Likewise.
1097 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1099 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
1100 (true_regnum): Likewise.
1102 * rtlanal.c (subreg_info): Moved to ...
1103 * rtl.h (subreg_info): Here. New.
1104 (subreg_get_info): New.
1106 * rtlanal.c (subreg_get_info): Make it extern.
1108 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1111 * config/i386/i386.c (ix86_abi): New.
1112 (override_options): Handle -mabi=.
1113 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
1114 (ix86_call_abi_override): Likewise.
1115 (init_cumulative_args): Likewise.
1116 (function_arg_advance): Likewise.
1117 (function_arg_64): Likewise.
1118 (function_arg): Likewise.
1119 (ix86_pass_by_reference): Likewise.
1120 (ix86_function_value_regno_p): Likewise.
1121 (ix86_build_builtin_va_list_abi): Likewise.
1122 (setup_incoming_varargs_64): Likewise.
1123 (is_va_list_char_pointer): Likewise.
1124 (ix86_init_machine_status): Likewise.
1125 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
1126 (ix86_function_type_abi): Return enum calling_abi. Rewrite
1127 for 64bit. Replace DEFAULT_ABI with ix86_abi.
1128 (ix86_function_abi): Make it static and return enum calling_abi.
1129 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
1131 (ix86_fn_abi_va_list): Updated.
1133 * config/i386/i386.h (ix86_abi): New.
1134 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
1135 (CONDITIONAL_REGISTER_USAGE): Likewise.
1136 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
1137 (machine_function): Likewise.
1139 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
1141 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
1142 (STACK_BOUNDARY): Likewise.
1143 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
1145 * config/i386/i386.opt (mabi=): New.
1147 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
1148 return enum calling_abi.
1149 (ix86_function_type_abi): Likewise.
1150 (ix86_function_abi): Removed.
1152 * doc/invoke.texi: Document -mabi= option for x86.
1154 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1156 * builtins.c (real_dconstp): Delete.
1157 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
1159 2009-03-27 Dodji Seketeli <dodji@redhat.com>
1160 Jakub Jelinek <jakub@redhat.com>
1163 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
1164 (gen_subprogram_die): When a function is explicit, generate the
1165 DW_AT_explicit attribute.
1166 * langhooks.h (struct lang_hooks_for_decls): Add
1167 function_decl_explicit_p langhook.
1168 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
1169 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
1171 2009-03-27 Jakub Jelinek <jakub@redhat.com>
1173 * builtins.c (fold_builtin_memory_op): Optimize memmove
1174 into memcpy if we can prove source and destination don't overlap.
1176 * tree-inline.c: Include gt-tree-inline.h.
1177 (clone_fn_id_num): New variable.
1178 (clone_function_name): New function.
1179 (tree_function_versioning): Use it.
1180 * Makefile.in (GTFILES): Add tree-inline.c.
1182 2009-03-27 Mark Mitchell <mark@codesourcery.com>
1184 * BASE-VER: Change to 4.5.0.
1186 2009-03-27 Xinliang David Li <davidxl@google.com>
1188 PR tree-optimization/39557
1189 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
1191 2009-03-27 Xinliang David Li <davidxl@google.com>
1193 PR tree-optimization/39548
1194 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
1197 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1199 * c-common.c (pointer_int_sum): Use %wd on return from
1202 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1204 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
1205 on return from tree_low_cst.
1207 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
1210 * ginclude/stdarg.h (va_copy): Define also for
1211 __GXX_EXPERIMENTAL_CXX0X__.
1213 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1216 * builtins.h (c_strlen): Do not warn here.
1217 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
1218 * c-common.c (pointer_int_sum): Take an explicit location.
1219 Warn about offsets out of bounds.
1220 * c-common.h (pointer_int_sum): Adjust declaration.
1222 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1224 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
1227 2009-03-26 Jakub Jelinek <jakub@redhat.com>
1230 * opts.c (warn_if_disallowed_function_p): Don't assume
1231 get_callee_fndecl must return non-NULL.
1233 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
1235 PR rtl-optimization/39522
1236 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
1237 when reg_reloaded_valid is set.
1239 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1241 * config/spu/divv2df3.c: New file.
1242 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
1243 (DPBIT_FUNCS): Filter out _div_df.
1245 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
1247 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
1248 a jump insn, count that jump in the distance to the loop start.
1250 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
1253 * config/sh/sh.c (calc_live_regs): Fix condition for global
1254 registers except PIC_OFFSET_TABLE_REGNUM.
1256 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
1259 * doc/invoke.texi (-mconsole): New.
1263 (-mnop-fun-dllimport): New.
1267 (sub section "i386 and x86-64 Windows Options"): New.
1269 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
1271 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
1272 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
1274 2009-03-25 Richard Guenther <rguenther@suse.de>
1277 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
1280 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
1282 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
1283 neither of haifa/selective schedulers are working.
1285 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1287 * doc/invoke.texi (Debugging Options): Fix description of
1288 -fno-merge-debug-strings.
1290 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
1292 * config/cris/libgcc.ver: New version-script.
1293 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
1295 * configure.ac <GAS features, nop mnemonic>: Add pattern
1296 crisv32-*-* for "nop".
1297 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
1298 * configure: Regenerate.
1300 2009-03-24 Ira Rosen <irar@il.ibm.com>
1302 PR tree-optimization/39529
1303 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
1304 mark_sym_for_renaming for the tag copied to the new vector
1307 2009-03-24 Arthur Loiret <aloiret@debian.org>
1309 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
1310 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
1311 EXTRA_SPEC_FUNCTIONS.
1312 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
1313 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
1314 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
1315 -march and -mtune options.
1317 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
1319 * config/m68k/t-rtems: Add m5329 multilib.
1321 2009-03-24 Dodji Seketeli <dodji@redhat.com>
1322 Jakub Jelinek <jakub@redhat.com>
1325 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
1328 2009-03-23 Jakub Jelinek <jakub@redhat.com>
1331 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
1332 instead of c_parser_expression_conv, if original_code isn't one of the
1333 4 allowed comparison codes, fail.
1335 2009-03-23 Richard Guenther <rguenther@suse.de>
1337 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
1338 * tree.h (struct tree_type): Likewise.
1339 * reload.h (struct insn_chain): Likewise.
1340 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
1341 * function.h (struct function): Likewise.
1342 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
1344 2009-03-23 Jakub Jelinek <jakub@redhat.com>
1346 PR tree-optimization/39516
1347 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
1349 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
1351 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
1352 should be set true if BITS_PER_WORD of target is bigger than 32
1354 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
1356 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
1357 Translate -B-options to -rpath-link. Correct existing
1358 rpath-link and conditionalize on !nostdlib.
1360 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1362 * doc/extend.texi (Function Attributes, Variable Attributes):
1364 * doc/invoke.texi (Debugging Options, Optimize Options)
1365 (i386 and x86-64 Options, MCore Options): Likewise.
1367 2009-03-20 Jakub Jelinek <jakub@redhat.com>
1370 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
1371 it for block local namespace aliases.
1372 (gen_decl_die): Pass context_die to gen_namespace_die.
1374 2009-03-19 Jakub Jelinek <jakub@redhat.com>
1377 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
1378 minimum or maximum value.
1380 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
1382 * reginfo.c (globalize_reg): Recompute derived reg sets.
1384 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
1387 * libgcc2.c (mprotect): Do not use signed arguments for
1388 VirtualProtect, use DWORD arguments. Also fix the 'may
1389 be used uninitialized' warning for the np variable.
1391 2009-03-19 Jakub Jelinek <jakub@redhat.com>
1394 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
1395 functions using regparm calling conventions when not optimizing.
1396 (ix86_function_sseregparm): Similarly for sseregparm calling
1399 2009-03-19 Li Feng <nemokingdom@gmail.com>
1402 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
1403 dependence if the first conflict is after niter iterations.
1405 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
1408 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
1409 functions with dynamic stack-pointer adjustments.
1411 2009-03-19 Ben Elliston <bje@au.ibm.com>
1413 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
1414 option; change to -msdata=data.
1416 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1418 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
1421 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
1424 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
1426 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
1428 * doc/invoke.texi (Code Gen Options): Expand discussion of
1431 2009-03-18 Jakub Jelinek <jakub@redhat.com>
1433 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
1434 * matrix-reorg.c (struct matrix_info): Likewise.
1435 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
1436 * rtl.h (struct mem_attrs): Likewise.
1437 * df.h (struct df): Likewise.
1438 * tree-data-ref.h (struct data_dependence_relation): Likewise.
1439 * ira-int.h (struct ira_allocno): Likewise.
1440 * df-scan.c (struct df_collection_rec): Likewise.
1441 * ira.c (struct equivalence): Likewise.
1442 * function.c (struct temp_slot): Likewise.
1443 * cfgloop.h (struct loop): Likewise.
1446 * function.c (use_register_for_decl): When not optimizing, disregard
1447 register keyword for variables with types containing methods.
1449 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
1452 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
1453 (is_simple_operand): Call contains_component_ref_p before calling data
1454 reference analysis that would fail on COMPONENT_REFs.
1456 * tree-vrp.c (search_for_addr_array): Fix formatting.
1458 2009-03-18 Richard Guenther <rguenther@suse.de>
1460 * tree-vect-transform.c (vect_loop_versioning): Fold the
1461 generated comparisons.
1462 * tree-vectorizer.c (set_prologue_iterations): Likewise.
1463 (slpeel_tree_peel_loop_to_edge): Likewise.
1465 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1468 * opts.c (print_specific_help): In addition to `undocumented',
1469 accept `separate' and `joined' flags if passed alone. Describe
1470 output by the first matched one of those.
1471 (common_handle_option): Skip over empty strings.
1472 * gcc.c (display_help): Fix help string for `--help='.
1473 * doc/invoke.texi (Option Summary, Overall Options): With
1474 `--help=', classes and qualifiers can both be repeated, but
1475 only the latter can be negated. One should not pass only
1476 negated qualifiers. Fix markup and examples.
1479 2008-10-14 Jakub Jelinek <jakub@redhat.com>
1481 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
1482 and -fhelp=separate.
1484 2009-03-17 Jing Yu <jingyu@google.com>
1487 * function.h (struct rtl_data): Move is_thunk from here...
1488 (struct function): ...to here.
1489 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
1490 * varasm.c (assemble_start_function): Change is_thunk from crtl to
1492 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
1494 (alpha_does_function_need_gp, alpha_start_function): Likewise.
1495 (alpha_output_function_end_prologue): Likewise.
1496 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
1497 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
1498 (rs6000_output_function_epilogue): Likewise.
1499 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
1501 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
1504 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
1505 from different units in a single alternative.
1506 (*truncdfsf_i387): Ditto.
1507 (*truncxfsf2_mixed): Ditto.
1508 (*truncxfdf2_mixed): Ditto.
1510 2009-03-17 Jakub Jelinek <jakub@redhat.com>
1512 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
1513 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
1516 * tree-ssa-live.c (remove_unused_locals): Don't remove local
1517 unused non-artificial variables when not optimizing.
1520 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
1521 DW_TAG_imported_module even if decl is IMPORTED_DECL with
1522 NAMESPACE_DECL in its DECL_INITIAL.
1525 * optabs.c (set_user_assembler_libfunc): New function.
1526 * expr.h (set_user_assembler_libfunc): New prototype.
1527 * c-common.c: Include libfuncs.h.
1528 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
1529 for memcmp, memset, memcpy, memmove and abort.
1530 * Makefile.in (c-common.o): Depend on libfuncs.h.
1533 * dwarf2out.c (gen_inlined_enumeration_type_die,
1534 gen_inlined_structure_type_die, gen_inlined_union_type_die,
1535 gen_tagged_type_instantiation_die): Removed.
1536 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
1539 2009-03-17 Janis Johnson <janis187@us.ibm.com>
1542 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
1544 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
1545 (check-parallel-%): Ditto.
1546 (check-consistency): Ditto.
1548 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
1550 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
1551 local variable rhs by NULL_TREE.
1553 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1556 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
1558 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1561 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
1563 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1566 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
1567 for ms->sysv ABI calls only in 64bit mode.
1569 * config/i386/i386.md (untyped_call): Support 32bit.
1571 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
1573 * doc/extend.texi: Replace x86_65 with x86_64.
1575 2009-03-16 Jakub Jelinek <jakub@redhat.com>
1577 PR tree-optimization/39455
1578 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
1579 mismatches for POINTER_TYPE_P (type).
1580 (number_of_iterations_le): Likewise.
1582 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1584 * config/picochip/picochip.c: Removed profiling support.
1585 * config/picochip/picochip.md: Removed profiling instruction.
1586 * config/picochip/picochip.h: Removed profiling builtin.
1588 2009-03-16 Joseph Myers <joseph@codesourcery.com>
1590 * doc/install.texi (--with-host-libstdcxx): Document.
1592 2009-03-14 Anatoly Sokolov <aesok@post.ru>
1595 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
1596 generate a warning if the function name does not begin with
1597 "__vector" and the function has either the 'signal' or 'interrupt'
1598 attribute, from here to ...
1599 (avr_declare_function_name): ...here. New function.
1600 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
1601 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
1603 2009-03-14 Jakub Jelinek <jakub@redhat.com>
1606 * cse.c (fold_rtx): Don't modify original const_arg1 when
1607 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
1608 separate variable instead.
1609 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
1610 from out of range shift counts.
1611 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
1613 2008-03-13 Catherine Moore <clm@codesourcery.com>
1615 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
1616 diagnostic.h with $(DIAGNOSTIC_H).
1618 2008-03-12 Jakub Jelinek <jakub@redhat.com>
1621 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
1623 * config/i386/sync.md (sync_compare_and_swap<mode>,
1624 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
1625 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
1627 (sync_double_compare_and_swapdi_pic,
1628 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
1629 cmpxchg8b_pic_memory_operand instead of just memory_operand.
1631 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1634 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
1636 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1639 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
1640 (avx_addsubv4df3): Likewise.
1641 (*avx_addsubv4sf3): Likewise.
1642 (sse3_addsubv4sf3): Likewise.
1644 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1647 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
1649 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
1652 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
1653 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
1654 registers for allocnos created from user-defined variables.
1656 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1659 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
1660 of non-integer mode as well.
1662 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
1664 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
1665 for functions for which the parameter types are unknown.
1667 2009-03-11 Jakub Jelinek <jakub@redhat.com>
1670 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
1671 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
1672 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
1673 * config/i386/i386.c (ix86_local_alignment): For
1674 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
1675 long long variables on the stack to avoid dynamic realignment.
1676 Allow the first argument to be a decl rather than type.
1677 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
1679 2009-03-11 Nick Clifton <nickc@redhat.com>
1682 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
1684 Add description to mno-lsim option.
1685 * config/mcore/mcore.h: Remove comment about deprecated m4align
1687 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
1688 * doc/invoke.texi: Add description of mno-lsim and
1689 mstack-increment options.
1691 * config/fr30/fr30.opt: Document the -mno-lsim option.
1692 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
1693 and -mno-lsim options.
1695 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1697 * fold-const.c (fold_comparison): Only call fold_inf_compare
1698 if the mode supports infinities.
1700 2009-03-11 Jason Merrill <jason@redhat.com>
1703 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
1704 end already did. Notice GIMPLE_CALL modifications of the result.
1705 Don't copy debug information from an ignored decl or a decl from
1708 2009-03-10 Richard Guenther <rguenther@suse.de>
1709 Nathan Froyd <froydnj@codesourcery.com>
1712 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
1713 (__divMODE3): Likewise.
1715 2009-03-09 Jakub Jelinek <jakub@redhat.com>
1717 PR tree-optimization/39394
1718 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
1719 DECL_SIZE_UNIT of variable length FIELD_DECLs.
1721 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1723 * recog.c (verfiy_changes): Disallow renaming of hard regs in
1724 inline asms for register asm ("") declarations.
1726 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
1728 * fold-const.c (fold_unary): Fix comment.
1730 2009-03-07 Jan Hubicka <jh@suse.cz>
1733 * tree-inline.c (setup_one_parameter): Do replacement of const
1734 argument by constant in SSA form.
1736 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1739 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
1740 determine alignment passed to assign_stack_local.
1741 (assign_parms_unsplit_complex): Likewise.
1742 * except.c (sjlj_build_landing_pads): Likewise.
1744 2009-03-06 Jakub Jelinek <jakub@redhat.com>
1747 * tree-flow.h (add_referenced_var): Return bool instead of void.
1748 * tree-dfa.c (add_referenced_var): Return result of
1749 referenced_var_check_and_insert call.
1750 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
1751 of referenced_var_check_and_insert.
1754 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
1755 (gen_variable_die): Emit DW_AT_location on abstract static variable's
1756 DIE, don't emit it if abstract origin already has it.
1757 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
1758 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
1760 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1762 * genpreds.c (needs_variable): Fix parentheses at variable name
1764 (write_tm_constrs_h): Indent generated code.
1766 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1768 * doc/extend.texi (Function Attributes): Add documentation
1771 2009-03-06 Jakub Jelinek <jakub@redhat.com>
1774 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
1775 take locus from its DECL_SOURCE_LOCATION instead of input_location.
1777 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
1779 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
1782 2009-03-05 Jakub Jelinek <jakub@redhat.com>
1785 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
1786 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
1788 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
1790 * config/i386/i386.md (R8_REG, R9_REG): New constants.
1791 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
1792 constants instead of magic numbers.
1793 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
1795 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
1796 (x86_64_ms_abi_int_parameter_registers): Ditto.
1797 (x86_64_int_return_registers): Ditto.
1798 (ix86_maybe_switch_abi): Ditto.
1799 (ix86_expand_call): Ditto for clobbered_registers array.
1800 (ix86_hard_regno_mode_ok): Ditto.
1801 (x86_extended_QIreg_mentioned_p): Ditto.
1803 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
1805 PR tree-optimization/39349
1806 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
1808 * combine.c (gen_lowpart_for_combine): Use omode when generating
1811 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
1813 PR rtl-optimization/39235
1814 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
1816 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
1818 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
1820 2009-03-04 Richard Guenther <rguenther@suse.de>
1822 PR tree-optimization/39362
1823 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
1824 that occur in abnormal PHIs should be varying.
1826 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
1828 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
1830 (simple_iv): Take loop as an argument instead of statement.
1831 * tree-scalar-evolution.h (simple_iv): Declaration changed.
1832 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
1834 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
1836 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
1837 * matrix-reorg.c (analyze_transpose): Ditto.
1838 * tree-data-ref.c (dr_analyze_innermost): Ditto.
1839 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
1840 * tree-predcom.c (ref_at_iteration): Ditto.
1841 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
1843 2009-03-04 Richard Guenther <rguenther@suse.de>
1845 PR tree-optimization/39358
1846 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
1847 escaped_id and callused_id.
1848 (solve_graph): Likewise.
1850 2009-03-04 Richard Guenther <rguenther@suse.de>
1852 PR tree-optimization/39339
1853 * tree-sra.c (try_instantiate_multiple_fields): Make it
1854 no longer ICE on the above.
1856 2009-03-03 Joseph Myers <joseph@codesourcery.com>
1858 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
1859 that fits within Pmode.
1861 2009-03-03 Steve Ellcey <sje@cup.hp.com>
1864 * tm.texi (LIBCALL_VALUE): Update description.
1866 2009-03-03 Steve Ellcey <sje@cup.hp.com>
1869 * doc/extend.texi (section): Update description.
1871 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
1874 * tree-inline.c (remapped_type): New.
1875 (can_be_nonlocal): Call remapped_type instead of remap_type.
1877 2009-03-03 Jakub Jelinek <jakub@redhat.com>
1880 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
1881 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
1883 2009-03-03 Richard Guenther <rguenther@suse.de>
1886 * tree.c (tree_nonartificial_location): New function.
1887 * tree.h (tree_nonartificial_location): Declare.
1888 * builtins.c (expand_builtin_memory_chk): Provide location
1889 of the call location for artificial function pieces.
1890 (maybe_emit_chk_warning): Likewise.
1891 (maybe_emit_sprintf_chk_warning): Likewise.
1892 (maybe_emit_free_warning): Likewise.
1893 * expr.c (expand_expr_real_1): Likewise.
1895 2009-03-03 Jakub Jelinek <jakub@redhat.com>
1897 PR tree-optimization/39343
1898 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
1899 COMPONENT_REF t has ARRAY_TYPE.
1901 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
1904 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
1905 when the type precision of the induction variable should be
1906 larger than the type precision of nit.
1907 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
1908 * graphite.c (graphite_loop_normal_form): Same.
1909 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
1911 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
1913 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
1914 (*call_1_rex64_ms_sysv): Use named constants instead of magic
1915 numbers to describe clobbered registers.
1916 (*call_value_0_rex64_ms_sysv): Ditto.
1917 * config/i386/mmx.md (mmx_emms): Ditto.
1920 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
1922 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
1925 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1927 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
1928 (spu_section_type_flags): New function.
1930 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
1932 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
1933 reg_class_contents of FLOAT_REGS into a temporary.
1935 2009-03-02 Richard Guenther <rguenther@suse.de>
1936 Ira Rosen <irar@il.ibm.com>
1938 PR tree-optimization/39318
1939 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
1940 information to the vectorized statement.
1942 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
1944 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
1945 variable. Use defined names instead of magic constants for REX SSE
1948 2009-03-01 Richard Guenther <rguenther@suse.de>
1950 PR tree-optimization/39331
1951 * omp-low.c (lower_send_shared_vars): Do not receive new
1952 values for the reference of DECL_BY_REFERENCE parms or results.
1954 2009-03-01 Jan Hubicka <jh@suse.cz>
1957 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
1958 BLOCK_NONLOCALIZED_VAR): New macros.
1959 (tree_block): Add nonlocalized_vars.
1960 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
1961 gen_decl_die): Add origin argument. Allow generation of die with
1962 origin at hand only.
1963 (gen_member_die, gen_type_die_with_usage, force_decl_die,
1964 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
1966 (gen_block_die): Fix checking for unused blocks.
1967 (process_scope_var): Break out from .... ; work with origins only.
1968 (decls_for_scope) ... here; process nonlocalized list.
1969 (dwarf2out_ignore_block): Look for nonlocalized vars.
1970 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
1972 (dump_scope_block): Dump them.
1973 * tree-inline.c (remap_decls): Handle nonlocalized vars.
1974 (remap_block): Likewise.
1975 (can_be_nonlocal): New predicate.
1976 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
1978 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1980 * configure: Regenerate.
1982 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1984 * optc-gen.awk: No need to duplicate option flags twice.
1985 Reuse help texts for duplicate options which do not have any.
1987 * gcc.c (display_help): Document --version.
1989 * gcc.c (main): If print_help_list and verbose_flag, ensure
1990 driver output comes before subprocess output.
1992 * optc-gen.awk: Assign all remaining fields to help string,
1993 space-separated, for multi-line help in *.opt.
1995 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
1996 -Wno-pedantic-ms-format is for MinGW targets only.
1998 * doc/options.texi (Option file format): Fix bad indentation,
1999 restoring dropped sentence.
2001 2009-02-28 Jan Hubicka <jh@suse.cz>
2003 * tree-inline.c (tree_function_versioning): Output debug info.
2005 2009-02-28 Jan Hubicka <jh@suse.cz>
2008 * tree-inline.c (setup_one_parameter): Do not copy propagate
2009 arguments when not optimizing.
2011 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
2014 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
2015 (avx_addsubv4df3): Likewise.
2016 (*avx_addsubv4sf3): Likewise.
2017 (sse3_addsubv4sf3): Likewise.
2018 (*avx_addsubv2df3): Likewise.
2019 (sse3_addsubv2df3): Likewise.
2020 (avx_unpckhps256): Correct item selectors.
2021 (avx_unpcklps256): Likewise.
2022 (avx_unpckhpd256): Likewise.
2023 (avx_unpcklpd256): Likewise.
2025 2009-02-28 Jan Hubicka <jh@suse.cz>
2027 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
2029 (copy_arguments_for_versioning): If var is declared don't declare it.
2030 (tree_function_versioning): First setup substitutions and then copy
2033 2009-02-27 Jan Hubicka <jh@suse.cz>
2036 * cgraph.h (varpool_output_debug_info): Remove.
2037 * cgraphunit.c (varpool_output_debug_info): Remove.
2038 * dwarf2out.c (deferred_locations_struct): New struct
2039 (deferred_locations): New type.
2040 (deferred_locations_list): New static var.
2041 (deffer_location): New function.
2042 (gen_variable_die): Use it.
2043 (decls_for_scope): Output info on local static vars.
2044 (dwarf2out_finish): Process deferred locations.
2045 * varpool.c (varpool_output_debug_info): Remove.
2047 2009-02-27 Jan Hubicka <jh@suse.cz>
2050 * tree.h (TREE_PROTECTED): Fix comment.
2051 (BLOCK_HANDLER_BLOCK): Remove.
2052 (struct tree_block): Remove handler_block add body_block.
2053 (inlined_function_outer_scope_p): New.
2054 (is_body_block): Remove.
2055 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
2056 * dwarf2out.c (is_inlined_entry_point): Remove.
2057 (add_high_low_attributes): Use inlined_function_outer_scope_p.
2058 (gen_block_die): Use is_inlined_entry_point check. Remove body block
2060 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
2061 * gimplify.c (gimplify_expr): Gimplify body blocks.
2062 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
2063 block with multiple subblocks.
2064 (dump_scope_block): Prettier output; dump more flags and info.
2065 (dump_scope_blocks): New.
2066 (remove_unused_locals): Use dump_scope_blocks.
2067 * tree-flow.h (dump_scope_blocks): Declare.
2068 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
2069 * stmt.c (is_body_block): Remove.
2070 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
2071 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
2073 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
2076 * graphite.c (graphite_loop_normal_form): Do not call
2077 number_of_iterations_exit from a gcc_assert.
2079 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2081 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
2082 jumps if COND is NULL.
2083 (find_cond_jump): New function.
2084 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
2085 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
2087 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
2089 * config/alpha/alpha.h (alpha_expand_mov): Return false if
2090 force_const_mem returns NULL_RTX.
2092 2009-02-26 Jan Hubicka <jh@suse.cz>
2095 * cgraph.h (varpool_output_debug_info): Remove.
2096 * cgraphunit.c (varpool_output_debug_info): Remove.
2097 * dwarf2out.c (deferred_locations_struct): New struct
2098 (deferred_locations): New type.
2099 (deferred_locations_list): New static var.
2100 (deffer_location): New function.
2101 (gen_variable_die): Use it.
2102 (decls_for_scope): Output info on local static vars.
2103 (dwarf2out_finish): Process deferred locations.
2104 * varpool.c (varpool_output_debug_info): Remove.
2106 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
2108 PR rtl-optimization/39241
2109 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
2110 to subreg_offset_representable_p.
2112 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
2114 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
2115 execute function prototype. Get f and nregs from max_reg_num
2116 and get_insns. Remove the first backward pass as it's dead,
2117 guard the forward pass by flag_expensive_optimizations.
2118 (rest_of_handle_regmove): Delete.
2119 (pass_regmove): Replace it with regmove_optimize.
2121 2009-02-25 Martin Jambor <mjambor@suse.cz>
2123 PR tree-optimization/39259
2124 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
2125 calls_alloca function flags.
2126 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
2129 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
2131 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
2132 flags_set_1_rtx, flags_set_1_set): Delete.
2133 (regmove_optimize): Do not call mark_flags_life_zones.
2135 2009-02-24 Julian Brown <julian@codesourcery.com>
2138 * config/arm/arm.c (require_pic_register): Only set
2139 cfun->machine->pic_reg once per function.
2141 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
2143 * doc/invoke.texi (Link Options): Document an easier way to pass
2144 options that take arguments to the GNU linker using -Xlinker and -Wl.
2146 2009-02-24 Steve Ellcey <sje@cup.hp.com>
2149 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
2151 2009-02-24 Richard Guenther <rguenther@suse.de>
2154 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
2156 2009-02-24 Richard Guenther <rguenther@suse.de>
2157 Zdenek Dvorak <ook@ucw.cz>
2159 PR tree-optimization/39233
2160 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
2161 from converting them to a generic type.
2163 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
2165 PR tree-optimization/39260
2166 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
2167 contains a condition with a real type.
2168 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
2170 2009-02-23 Jason Merrill <jason@redhat.com>
2173 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
2174 narrowing_initializer_constant_valid_p.
2175 (narrowing_initializer_constant_valid_p): Don't return
2176 null_pointer_node for adding a pointer to itself.
2178 2009-02-23 Jan Hubicka <jh@suse.cz>
2181 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
2184 2009-02-23 Jan Hubicka <jh@suse.cz>
2186 PR tree-optimization/37709
2187 * tree.c (block_ultimate_origin): Move here from dwarf2out.
2188 * tree.h (block_ultimate_origin): Declare.
2189 * dwarf2out.c (block_ultimate_origin): Move to tree.c
2190 * tree-ssa-live.c (remove_unused_scope_block_p):
2191 Eliminate blocks containig no instructions nor live variables nor
2193 (dump_scope_block): New function.
2194 (remove_unused_locals): Enable removal of dead blocks by default;
2195 enable dumping at TDF_DETAILS.
2197 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2199 * config/i386/i386.c (classify_argument): Don't allow COImode
2201 (function_arg_advance_32): Don't allow OImode.
2202 (function_arg_32): Likewise.
2203 (function_value_32): Likewise.
2204 (return_in_memory_32): Likewise.
2205 (function_arg_64): Remove OImode comment.
2207 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2210 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
2211 ix86_expand_vector_set for V4DImode in 64bit mode only.
2212 (ix86_expand_vector_init_one_var): Likewise.
2214 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
2216 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
2218 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
2221 * loop-iv.c: Revert last change.
2222 * emit-rtl.c: Likewise.
2224 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2227 * config/i386/i386.c (type_natural_mode): Remove an extra
2228 space in the warning message.
2229 (function_value_32): Handle 32-byte vector modes.
2230 (return_in_memory_32): Likewise.
2232 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
2234 * loop-iv.c (truncate_value): New function.
2235 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
2237 (lowpart_subreg): Move to...
2238 * emit-rtl.c: ...here.
2240 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
2242 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
2243 accidental and undocumented change at revision 140860.
2245 2009-02-21 Joseph Myers <joseph@codesourcery.com>
2247 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
2248 take gimple_seq * arguments.
2249 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
2250 types_compatible_p langhook.
2252 2009-02-20 Mark Mitchell <mark@codesourcery.com>
2253 Joseph Myers <joseph@codesourcery.com>
2255 * config/arm/arm.c (arm_builtin_va_list): New function.
2256 (arm_expand_builtin_va_start): Likewise.
2257 (arm_gimplify_va_arg_expr): Likewise.
2258 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
2259 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
2260 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
2261 (va_list_type): New variable.
2262 (arm_mangle_type): Mangle va_list_type appropriately.
2264 2009-02-20 Jakub Jelinek <jakub@redhat.com>
2267 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
2268 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
2269 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
2270 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
2271 parameter to 1000 for -O1 by default.
2272 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
2274 * loop-invariant.c: Include params.h.
2275 (move_loop_invariants): Don't call move_single_loop_invariants on
2278 2009-02-20 Jaka Mocnik <jaka@xlab.si>
2280 * calls.c (emit_library_call_value_1): Use slot_offset instead of
2281 offset when calculating bounds for indexing stack_usage_map. Fixes
2282 a buffer overflow with certain target setups.
2284 2009-02-20 Jakub Jelinek <jakub@redhat.com>
2287 * calls.c (expand_call): Clear try_tail_call if caller and callee
2288 disagree in promotion of function return value.
2290 2009-02-19 Jakub Jelinek <jakub@redhat.com>
2293 * c-common.c (c_determine_visibility): If visibility changed and
2294 DECL_RTL has been already set, call make_decl_rtl to update symbol
2297 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
2300 * varasm.c (assemble_variable): Don't check DECL_NAME when
2301 globalizing a variable.
2303 2009-02-19 Joseph Myers <joseph@codesourcery.com>
2306 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
2307 expression before any __builtin_trap call.
2308 * c-typeck.c (build_function_call): Convert and check function
2309 arguments before generating a call to a trap. Evaluate the
2310 function arguments before the trap.
2312 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
2315 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
2316 (UNSPEC_FXAM_MEM): New unspec.
2317 (fxam<mode>2_i387_with_temp): New insn and split pattern.
2318 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
2319 memory using fxam<mode>2_i387_with_temp to remove excess precision.
2321 2009-02-19 Richard Guenther <rguenther@suse.de>
2323 PR tree-optimization/39207
2324 PR tree-optimization/39074
2325 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
2326 storedanything_tree): New.
2327 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
2328 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
2329 (build_succ_graph): Add edges from STOREDANYTHING to all
2331 (init_base_vars): Initialize STOREDANYTHING.
2332 (compute_points_to_sets): Free substitution info after
2333 building the succ graph.
2334 (ipa_pta_execute): Likewise.
2336 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
2338 (do_ds_constraint): Do not add to special var or non-pointer
2340 (type_could_have_pointers): Split out from ...
2341 (could_have_pointers): ... here. For arrays use the element type.
2342 (create_variable_info_for): Initialize may_have_pointers.
2343 (new_var_info): Likewise.
2344 (handle_lhs_call): Make the HEAP variable unknown-sized.
2345 (intra_create_variable_infos): Use a type with pointers for
2346 PARM_NOALIAS, make it unknown-sized.
2348 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
2351 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
2353 2009-02-18 Jason Merrill <jason@redhat.com>
2356 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
2357 value if DECL_EXTERNAL.
2358 * tree-sra.c (sra_walk_gimple_assign): Likewise.
2359 * target.h (gcc_target::binds_local_p): Clarify "module".
2360 * tree.h (TREE_PUBLIC): Clarify "module".
2362 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
2365 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
2366 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
2368 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
2371 * c.opt (Wabi): Support C and ObjC.
2374 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
2376 * config/i386/i386.c (classify_argument): Warn once about the ABI
2377 change when passing union with long double.
2379 * doc/invoke.texi: Update -Wabi for warning psABI changes.
2381 2009-02-18 Joseph Myers <joseph@codesourcery.com>
2384 * c-parser.c (c_parser_compound_statement): Always enter and leave
2387 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2390 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
2392 2009-02-18 Jakub Jelinek <jakub@redhat.com>
2394 PR tree-optimization/36922
2395 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
2396 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
2399 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2401 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
2404 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2406 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
2408 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2410 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
2413 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
2414 Richard Sandiford <rdsandiford@googlemail.com>
2416 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
2417 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
2418 (loongson_biadd): ...this.
2420 2009-02-17 Richard Guenther <rguenther@suse.de>
2422 PR tree-optimization/39202
2423 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
2424 a var make sure to follow existing collapses.
2426 2009-02-17 Richard Guenther <rguenther@suse.de>
2429 * langhooks.c (lhd_print_error_function): Check for NULL block.
2431 2009-02-17 Richard Guenther <rguenther@suse.de>
2433 PR tree-optimization/39204
2434 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
2437 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
2439 * config/soft-fp/double.h: Update from glibc CVS.
2441 2009-02-17 Richard Guenther <rguenther@suse.de>
2443 PR tree-optimization/39207
2444 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
2445 strict-aliasing warnings for pointers pointing to NULL.
2447 2009-02-16 Joseph Myers <joseph@codesourcery.com>
2450 * c-parser.c (c_parser_braced_init): Call pop_init_level when
2451 skipping until next close brace.
2453 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
2456 * config/i386/i386.c (ix86_expand_push): Set memory alignment
2457 to function argument boundary.
2459 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2461 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
2462 in the lea_add. Reload eventually constraints it properly.
2463 * config/picochip/constraints.md : Remove the target constraint
2464 "b", since it is not needed anymore.
2466 2009-02-16 Jakub Jelinek <jakub@redhat.com>
2468 * gthr-dce.h: Uglify function parameter and local variable names.
2469 * gthr-gnat.h: Likewise.
2470 * gthr-mipssde.h: Likewise.
2471 * gthr-nks.h: Likewise.
2472 * gthr-posix95.h: Likewise.
2473 * gthr-posix.h: Likewise.
2474 * gthr-rtems.h: Likewise.
2475 * gthr-single.h: Likewise.
2476 * gthr-solaris.h: Likewise.
2477 * gthr-tpf.h: Likewise.
2478 * gthr-vxworks.h: Likewise.
2479 * gthr-win32.h: Likewise.
2481 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
2484 * config/i386/i386.md: Restrict the new peephole2 to move
2485 between MMX/SSE registers.
2487 2009-02-15 Richard Guenther <rguenther@suse.de>
2490 2009-02-13 Richard Guenther <rguenther@suse.de>
2492 * configure.ac: Enable LFS.
2493 * configure: Re-generate.
2494 * config.in: Likewise.
2496 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2498 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
2499 spu_srqwbyte, spu_srqwbytebc): Define.
2500 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
2501 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
2502 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
2503 "shrqby_<mode>"): New insn-and-split patterns.
2504 * config/spu/spu.c (expand_builtin_args): Determine and return
2505 number of operands using spu_builtin_description data.
2506 (spu_expand_builtin_1): Use it.
2508 2009-02-13 Steve Ellcey <sje@cup.hp.com>
2511 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
2514 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2517 * config/i386/i386.c (override_options): Correct warning
2518 messages for -malign-loops, -malign-jumps and -malign-functions.
2520 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2523 * config/i386/i386.md: Restrict the new peephole2 to move
2524 between the general purpose registers.
2526 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2529 * config/i386/i386.c (type_natural_mode): Add a new argument.
2530 Return the original mode and warn ABI change if vector size is 32byte.
2531 (function_arg_advance): Updated.
2532 (function_arg): Likewise.
2533 (ix86_function_value): Likewise.
2534 (ix86_return_in_memory): Likewise.
2535 (ix86_sol10_return_in_memory): Likewise.
2536 (ix86_gimplify_va_arg): Likewise.
2537 (function_arg_32): Don't warn ABX ABI change here.
2538 (function_arg_64): Likewise.
2540 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
2542 * loop-iv.c (implies_p): In the final case, test that operands 0
2543 of the two comparisons match.
2545 * config/bfin/bfin.c (find_prev_insn_start): New function.
2546 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
2547 (find_next_insn_start): Move.
2549 2009-02-13 Richard Guenther <rguenther@suse.de>
2551 * configure.ac: Enable LFS.
2552 * configure: Re-generate.
2553 * config.in: Likewise.
2555 2009-02-13 Joseph Myers <joseph@codesourcery.com>
2558 * c-parser.c (c_parser_parms_list_declarator): Discard pending
2559 sizes on syntax error after some arguments have been parsed.
2561 2009-02-12 Jakub Jelinek <jakub@redhat.com>
2563 * doc/invoke.texi (-fira): Remove.
2565 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2567 * caller-save.c: Replace regclass.c with reginfo.c in comments.
2568 * recog.c: Likewise.
2571 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
2573 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
2574 (umul_ppmm): Likewise.
2575 (count_leading_zeros): Likewise.
2576 (count_trailing_zeros): Likewise.
2577 (UMUL_TIME): Likewise.
2579 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2581 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
2582 soft-fp/t-softfp to tmake_file.
2584 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
2585 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
2586 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
2587 IA64_BUILTIN_INFQ]: New.
2588 (ia64_init_builtins): Initialize __builtin_infq,
2589 __builtin_fabsq and __builtin_copysignq if not HPUX.
2590 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
2591 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
2593 * config/ia64/lib1funcs.asm (__divtf3): Define only if
2595 (__fixtfti): Likewise.
2596 (__fixunstfti): Likewise.
2597 (__floattitf): Likewise.
2599 * config/ia64/libgcc-glibc.ver: New.
2600 * config/ia64/t-fprules-softfp: Likewise.
2601 * config/ia64/sfp-machine.h: Likewise.
2603 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
2604 (LIBGCC2_TF_CEXT): Likewise.
2605 (TF_SIZE): Likewise.
2606 (TARGET_INIT_LIBFUNCS): Likewise.
2608 * config/ia64/t-glibc (SHLINB_MAPFILES):
2609 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
2611 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2613 * config/i386/i386.c (construct_container): Rewrite processing
2614 BLKmode with X86_64_SSE_CLASS.
2616 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
2619 * config/i386/i386.md: Replace simplify_replace_rtx with
2620 replace_rtx in the new peephole2.
2622 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
2624 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
2625 loop unrolling do not happen at -O2.
2627 2009-02-12 Michael Matz <matz@suse.de>
2629 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
2631 2009-02-12 Jakub Jelinek <jakub@redhat.com>
2633 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
2636 2009-02-12 Ben Elliston <bje@au.ibm.com>
2638 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
2639 patterns when updating the back chain. Missed in the 2009-02-10
2642 2009-02-11 Janis Johnson <janis187@us.ibm.com>
2644 * doc/extend.texi (Decimal Floating Types): Update identifier of
2645 draft TR and list of missing support.
2647 2009-02-11 Jakub Jelinek <jakub@redhat.com>
2650 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
2651 bit to variable length decl's flags, add it also to its
2652 pointer replacement variable.
2654 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
2655 Jakub Jelinek <jakub@redhat.com>
2658 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
2659 (memory_blockage): New expander.
2660 (*memory_blockage): New insn pattern.
2661 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
2662 instead of general blockage at the end of function prologue when
2663 frame pointer is used to access red zone area. Do not emit blockage
2664 when profiling, it is emitted in generic code.
2665 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
2666 function epilogue when frame pointer is used to access red zone area.
2668 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
2671 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
2672 by arithmetic with memory operands.
2673 * config/i386/predicates.md (commutative_operator): New.
2675 2009-02-10 Janis Johnson <janis187@us.ibm.com>
2677 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
2680 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
2682 * alias.h (record_alias_subset): Declare.
2683 * alias.c (record_alias_subset): Make global.
2685 2009-02-10 Nick Clifton <nickc@redhat.com>
2687 * tree-parloops.c: Change license to GPLv3.
2688 * ipa-struct-reorg.c: Change license to GPLv3.
2689 * ipa-struct-reorg.h: Change license to GPLv3.
2691 2009-02-10 Steve Ellcey <sje@cup.hp.com>
2694 * c-decl.c (start_struct): Return NULL on error.
2696 2009-02-10 Jakub Jelinek <jakub@redhat.com>
2699 * cfgloopmanip.c (remove_path): Call remove_bbs after
2700 cancel_loop_tree, not before it.
2703 * function.h (struct function): Add has_local_explicit_reg_vars bit.
2704 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
2705 VAR_DECLs were seen.
2706 * tree-ssa-live.c (remove_unused_locals): Recompute
2707 cfun->has_local_explicit_reg_vars.
2708 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
2709 copies or clearings if cfun->has_local_explicit_reg_vars.
2711 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
2714 * config/i386/i386.c (expand_prologue): Emit blockage at the end
2715 of function prologue when frame pointer is used to access
2718 2009-02-10 Richard Guenther <rguenther@suse.de>
2721 * gimplify.c (gimple_regimplify_operands): Always look if
2722 we need to create a temporary.
2724 2009-02-10 Richard Guenther <rguenther@suse.de>
2726 PR tree-optimization/39132
2727 * tree-loop-distribution.c (todo): New global var.
2728 (generate_memset_zero): Trigger TODO_rebuild_alias.
2729 (tree_loop_distribution): Return todo.
2731 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
2734 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
2735 (x86_64_reg_class_name): Removed.
2736 (classify_argument): Return 0 if bytes > 32. Return 0 if the
2737 first one isn't X86_64_SSE_CLASS or any other ones aren't
2738 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
2739 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
2740 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
2741 and 3 X86_64_SSEUP_CLASS.
2742 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
2743 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
2745 2009-02-10 Ben Elliston <bje@au.ibm.com>
2747 * config/rs6000/rs6000.md (allocate_stack): Always use an update
2748 form instruction to update the stack back chain word, even if the
2749 user has disabled the generation of update instructions.
2750 (movdi_<mode>_update_stack): New.
2751 (movsi_update_stack): Likewise.
2752 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
2753 always use an update form instruction to update the stack back
2756 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
2759 * graphite.c (if_region_set_false_region): After moving a region in
2760 the false branch of a condition, remove the empty dummy basic block.
2761 (gloog): Remove wrong fix for PR38953.
2763 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2765 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
2766 generation due to implicit sign extension.
2768 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
2771 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
2772 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
2774 2009-02-09 Richard Guenther <rguenther@suse.de>
2777 * convert.c (convert_to_real): Disable (float)fn((double)x)
2778 to fnf(x) conversion if errno differences may occur and
2779 -fmath-errno is set.
2781 2009-02-07 Anatoly Sokolov <aesok@post.ru>
2783 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
2784 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2785 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2787 2009-02-06 Joseph Myers <joseph@codesourcery.com>
2790 * c-common.c (handle_alias_attribute): Disallow attribute for
2791 anything not a FUNCTION_DECL or VAR_DECL.
2793 2009-02-06 Janis Johnson <janis187@us.ibm.com>
2796 * real.c (do_compare): Special-case compare of zero against
2797 decimal float value.
2799 2009-02-06 Joseph Myers <joseph@codesourcery.com>
2802 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
2803 as indicating flexible array members unless the field itself is
2804 being declarared as the incomplete array.
2806 2009-02-06 Jan Hubicka <jh@suse.cz>
2808 PR tree-optimization/38844
2809 * ipa-inline.c (try_inline): Stop inlining recursion when edge
2812 2009-02-06 Richard Guenther <rguenther@suse.de>
2815 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
2816 fork because we may expand it as __gcov_fork.
2818 2009-02-06 Nick Clifton <nickc@redhat.com>
2820 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
2822 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
2824 PR tree-optimization/35659
2825 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
2826 vn_phi_eq): Shortcut if hashcode does not match.
2827 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
2829 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
2830 and avoid iterative_hash_expr.
2831 (FOR_EACH_VALUE_ID_IN_SET): New.
2832 (value_id_compare): Remove.
2833 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
2834 sort expressions by value id.
2836 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
2839 * config/sh/predicates.md (general_movsrc_operand): Don't check
2840 the subreg of system registers here.
2842 2009-02-05 Jakub Jelinek <jakub@redhat.com>
2845 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
2848 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
2850 PR rtl-optimization/39110
2851 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
2852 addresses, not aligned ones.
2854 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
2855 Richard Guenther <rguenther@suse.de>
2857 PR tree-optimization/39100
2858 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
2859 comment says and add edges.
2861 2009-02-05 Joseph Myers <joseph@codesourcery.com>
2864 * c-common.c (handle_tls_model_attribute): Ignore attribute for
2865 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
2867 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
2869 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
2870 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
2871 register_bb_in_sese, new_sese, free_sese): Moved.
2872 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
2873 outermost_loop_in_scop, build_scop_iteration_domain,
2874 expand_scalar_variables_ssa_name, get_vdef_before_scop,
2875 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
2876 Use loop_in_sese_p instead of loop_in_scop_p.
2877 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
2878 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
2879 (scopdet_basic_block_info): Fix bug in scop detection.
2880 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
2881 eq_loop_to_cloog_loop): Remove.
2882 (nb_loops_around_loop_in_scop, nb_loop
2883 ref_nb_loops): Moved here...
2884 * graphite.h (ref_nb_loops): ... from here.
2885 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
2886 (loop_domain_dim, loop_iteration_vector_dim): Remove.
2887 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
2888 * testsuite/gcc.dg/graphite/scop-19.c: New
2890 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
2891 Hans-Peter Nilsson <hp@axis.com>
2893 PR rtl-optimization/37889
2894 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
2895 Move offset handling from PLUS to before the switch. Use new
2896 arguments when considering SYMBOL_REFs too.
2897 (rtx_addr_can_trap_p): Pass dummy offset and size.
2898 (enum may_trap_p_flags): Remove.
2899 (may_trap_p_1): Pass size from MEM_SIZE.
2901 PR rtl-optimization/38921
2902 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
2903 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
2904 * rtlanal.c (may_trap_after_code_motion_p): Delete.
2905 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
2907 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
2909 AVX Programming Reference (January, 2009)
2910 * config/i386/sse.md (*vpclmulqdq): New.
2912 2009-02-04 Jakub Jelinek <jakub@redhat.com>
2914 PR tree-optimization/38977
2915 PR gcov-profile/38292
2916 * calls.c (special_function_p): Disregard __builtin_ prefix.
2918 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
2920 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
2921 non-indexable addresses even before reload.
2923 2009-02-03 Joseph Myers <joseph@codesourcery.com>
2926 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
2927 as having variable size. Do not give an error for unnamed
2928 parameters with [*] declarators. Give a warning for type names
2929 with [*] declarators and mark them as variable size.
2930 * c-parser.c (c_parser_sizeof_expression): Do not give an error
2931 for sizeof applied to [*] type names.
2933 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
2936 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
2938 2009-02-03 Jakub Jelinek <jakub@redhat.com>
2940 * gcc.c (process_command): Update copyright notice dates.
2941 * gcov.c (print_version): Likewise.
2942 * gcov-dump.c (print_version): Likewise.
2943 * mips-tfile.c (main): Likewise.
2944 * mips-tdump.c (main): Likewise.
2946 2009-02-03 Joseph Myers <joseph@codesourcery.com>
2949 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
2950 for composite type involving a zero-length array type.
2952 2009-02-03 Jakub Jelinek <jakub@redhat.com>
2955 * function.c (match_asm_constraints_1): Skip over
2956 initial optional % in the constraint.
2959 * c-parser.c (c_parser_postfix_expression): If fixed point is not
2960 supported, don't accept FIXED_CSTs.
2961 * c-decl.c (finish_declspecs): Error if fixed point is not supported
2962 and _Sat is used without _Fract/_Accum. Set specs->type to
2963 integer_type_node for cts_fract/cts_accum if fixed point is not
2966 2009-02-02 Catherine Moore <clm@codesourcery.com>
2968 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
2970 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
2972 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
2973 (ABI_HAS_64BIT_SYMBOLS): Use it.
2974 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
2976 2009-02-02 Paul Brook <paul@codesourcery.com>
2978 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
2980 2009-02-02 Jakub Jelinek <jakub@redhat.com>
2983 * recog.h (asm_operand_ok): Add constraints argument.
2984 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
2985 recurse on matching constraint.
2986 (check_asm_operands): Pass constraints as 3rd argument to
2987 asm_operand_ok. Don't look up matching constraint here.
2988 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
2991 2009-02-02 Ben Elliston <bje@au.ibm.com>
2993 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
2994 TARGET_NARROW_VOLATILE_BITFIELD macro names.
2996 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2998 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
2999 information. Remove some obsolete information. Reorganize.
3001 * config/pa/fptr.c: Revert license to GPL 2.
3002 * config/pa/milli64.S: Likewise.
3004 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
3007 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
3008 LIBRARY name in, instead of hard-coding it.
3009 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
3010 extra target make frag to tmake_files according to EH model.
3011 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
3012 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
3013 frags that define makefile variable EH_MODEL appropriately.
3014 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
3015 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
3016 to "-sjlj" according to type of EH configured.
3017 (LIBGCC_SONAME): Concatenate it to shared library base name.
3018 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
3019 to "_sjlj" according to type of EH configured.
3020 (LIBGCC_SONAME): Concatenate it to shared library base name.
3021 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
3022 (SHLIB_LINK): Add missing semicolon to if-else construct.
3023 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
3024 string value of "pe_dll" command-line option.
3025 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
3026 (SHLIB_SONAME): Use it when overriding t-cygming default.
3027 (SHLIB_IMPLIB): Override t-cygming default.
3028 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
3029 string value of "pe_dll" command-line option.
3031 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
3034 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
3035 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
3037 2009-01-31 Richard Guenther <rguenther@suse.de>
3039 PR tree-optimization/38937
3040 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
3041 computing the transitive closure.
3043 2009-01-30 Richard Guenther <rguenther@suse.de>
3045 PR tree-optimization/39041
3046 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3047 Propagate variable indices only if the types match for this stmt.
3049 2009-01-30 Jakub Jelinek <jakub@redhat.com>
3052 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
3053 inline but never defined.
3055 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
3057 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
3058 (*insv_h_di_reg_extimm): New insn.
3059 (*insv_l<mode>_reg_extimm): New insn.
3061 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
3063 * config/picochip/picochip.c (flag_conserve_stack): set
3064 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
3065 fconserve-stack. Reduce call-overhead used by inliner.
3067 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
3070 * common.opt (flag_conserve_stack): Initialised to zero.
3072 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
3075 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
3076 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
3079 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
3081 * ira-color.c (allocno_reload_assign): Update comments.
3082 * regmove.c (regmove_optimize): Likewise.
3086 2009-01-29 Robert Millan <rmh@aybabtu.com>
3088 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
3089 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
3090 `MD_UNWIND_SUPPORT'.
3091 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
3093 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
3095 PR tree-optimization/39007
3096 * tree-loop-distribution.c (generate_builtin): Use
3097 recompute_dominator to compute the immediate dominator of the
3098 basic block just after the loop.
3100 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3102 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
3103 (ASM_OUTPUT_DWARF_PCREL): Define.
3105 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
3107 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
3108 * doc/passes.texi: Remove entries about regclass, local-alloc, and
3109 global. Modify entries about regmove and IRA.
3111 * ra-conflict.c: Remove the file.
3113 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
3115 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
3116 (pass_regclass_init): Rename to pass_reginfo_init.
3118 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
3120 * toplev.h (flag_ira): Remove.
3122 * caller-save.c (setup_save_areas): Remove flag_ira.
3124 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
3126 * global.c: Remove the file.
3128 * opts.c (decode_options): Remove flag_ira.
3130 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
3132 * regmove.c: Modify file description.
3133 (find_use_as_address, try_auto_increment): Define them only if
3134 AUTO_INC_DEC is defined.
3135 (replacement_quality, replace_in_call_usage, fixup_match_1,
3136 stable_and_no_regs_but_for_p): Remove.
3137 (reg_set_in_bb): Make it static.
3138 (regmove_optimize): Remove flag_ira and code which worked for
3141 * local-alloc.c: Remove the file.
3143 * common.opt (fira): Remove.
3145 * ira.c: Include except.h.
3146 (eliminable_regset): Move from global.c.
3147 (mark_elimination): Ditto. Remove flag_ira.
3148 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
3149 equiv_mem_modified, validate_equiv_mem_from_store,
3150 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
3151 contains_replace_regs, memref_referenced_p, memref_used_between_p,
3152 no_equiv, recorded_label_ref): Move from local-alloc.c.
3153 (update_equiv_regs): Ditto. Make it static.
3154 (print_insn_chain, print_insn_chains): Move it from global.c.
3155 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
3156 (build_insn_chain): Ditto. Make it static.
3157 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
3158 Rename to init_live_subregs.
3159 (gate_ira): Remove flag_ira.
3161 * regclass.c: Rename reginfo.c. Change file description.
3162 (FORBIDDEN_INC_DEC_CLASSES): Remove.
3163 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
3164 (init_reg_sets_1): Remove code for evaluation of
3165 reg_class_superclasses and losing_caller_save_reg_set.
3166 (init_regs): Remove init_reg_autoinc.
3167 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
3168 ok_for_base_p_nonstrict): Remove.
3169 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
3170 (pass_regclass_init): Rename to pass_reginfo_init. Modify
3171 corresponding entries.
3172 (dump_regclass, record_operand_costs, scan_one_insn,
3173 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
3174 record_address_regs, auto_inc_dec_reg_p): Remove.
3175 (gt-regclass.h): Rename to gt-reginfo.h.
3177 * rtl.h (dump_global_regs, retry_global_alloc,
3178 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
3180 * Makefile.in (RA_H): Remove.
3181 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
3182 Rename regclass.o to reginfo.o.
3183 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
3185 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
3186 (GTFILES): Rename regclass.c to reginfo.c.
3188 * passes.c (init_optimization_passes): Remove pass_local_alloc and
3189 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
3191 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3192 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
3194 (finish_spills): Ditto. Remove code for !flag_ira.
3196 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3199 * doc/invoke.texi (rtl debug options): Complete rewrite.
3200 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
3202 * mode-switching.c (pass_mode_switching): Rename pass from
3203 "mode-sw" to "mode_sw".
3204 * except.c (pass_convert_to_eh_ranges): Rename pass from
3205 "eh-ranges" to "eh_ranges".
3206 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
3210 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
3211 Alexander Monakov <amonakov@ispras.ru>
3214 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
3216 (move_exprs_to_boundary): Change return type and pass through
3217 should_move from move_op. Relax assert. Update usage ...
3218 (schedule_expr_on_boundary): ... here. Use should_move instead of
3220 (move_op_orig_expr_found): Indicate that insn was disconnected from
3222 (code_motion_process_successors): Do not call after_merge_succs
3223 callback if original expression was not found when traversing any of
3225 (code_motion_path_driver): Change return type. Update prototype.
3226 (move_op): Update comment. Add a new parameter (should_move). Update
3227 prototype. Set *should_move based on indication provided by
3228 move_op_orig_expr_found.
3230 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
3232 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
3233 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
3234 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
3235 * config/rs6000/rs6000.c (rs6000_override_options): Default
3236 avoid-indexed-addresses on for Power6, off for everything else.
3237 (avoiding_indexed_address_p): New function.
3238 (rs6000_legitimize_address): Use it.
3239 (rs6000_legitimate_address): Likewise.
3240 * config/rs6000/rs6000.md (movXX_updateX): Likewise
3242 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
3244 PR tree-optimization/38997
3245 * tree-loop-distribution.c (generate_memset_zero): Use
3246 POINTER_PLUS_EXPR for a pointer addition.
3248 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
3250 * config/s390/s390.md (bswap<mode>2): New pattern added.
3252 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3254 * config/s390/s390.md (*tls_load_31): Added type attribute.
3256 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3258 * config/s390/s390.md: Fix a few comments.
3260 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3262 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
3263 (*tm<mode>_full): Fixed z10prop attribute.
3264 (*tst<mode>_extimm): Fixed z10prop attribute.
3265 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
3266 (*tstqiCCT_cconly): Fixed z10prop attribute.
3267 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
3268 (*movsi_larl): Fixed z10prop attribute.
3269 (*movsi_zarch): Fixed z10prop attribute.
3270 (*movsi_eas): Fixed z10prop attribute.
3271 (*movhi): Fixed z10prop attribute.
3272 (*movqi): Fixed z10prop attribute.
3273 (*movstrictqi): Fixed z10prop attribute.
3274 (*mov<mode>): Fixed z10prop attribute.
3275 (*movcc): Fixed z10prop attribute.
3276 (*sethighpartdi_64): Fixed z10prop attribute.
3277 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
3278 (*negdi2_sign_cc): Fixed z10prop attribute.
3279 (*negdi2_sign): Fixed z10prop attribute.
3280 (*absdi2_sign_cc): Fixed z10prop attribute.
3281 (*absdi2_sign): Fixed z10prop attribute.
3282 (*negabsdi2_sign_cc): Fixed z10prop attribute.
3283 (*negabsdi2_sign): Fixed z10prop attribute.
3284 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
3285 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
3286 (doloop_si64): Fixed z10prop attribute.
3287 (doloop_si31): Fixed z10prop attribute.
3288 (doloop_long): Fixed z10prop attribute.
3289 (indirect_jump): Fixed z10prop attribute.
3290 (nop): Fixed z10prop attribute.
3291 (main_base_64): Fixed z10prop attribute.
3292 (reload_base_64): Fixed z10prop attribute.
3294 2009-01-28 Jakub Jelinek <jakub@redhat.com>
3296 PR rtl-optimization/38740
3297 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
3299 * config/mips/mips.c (mips_reorg): Likewise.
3301 2009-01-28 Richard Guenther <rguenther@suse.de>
3303 PR tree-optimization/38926
3304 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
3305 with the correct value id to a value.
3306 (do_regular_insertion): Use the value number of edoubleprime
3307 for the value number of the expr.
3310 2008-08-21 Richard Guenther <rguenther@suse.de>
3312 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
3313 a PHI ask VN if it is already available.
3314 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
3315 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
3317 2009-01-28 Jakub Jelinek <jakub@redhat.com>
3320 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
3321 set to varying whenever max has TREE_OVERFLOW set, similarly
3322 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
3324 2009-01-28 Richard Guenther <rguenther@suse.de>
3327 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
3328 uninitialized aggregate uses in call arguments.
3330 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
3332 PR tree-optimization/38984
3333 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
3334 the nothing_id variable if -fno-delete-null-pointer-checks.
3336 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
3339 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
3340 (set_got_offset_rex64): Ditto.
3342 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
3345 * doc/extend.texi: Improve local variable with asm reg.
3347 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
3349 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
3350 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
3351 was not supplied then set warn_packed_bitfield_compat to the
3353 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
3356 2009-01-27 Richard Guenther <rguenther@suse.de>
3358 PR tree-optimization/38503
3359 * cfgexpand.c (expand_gimple_basic_block): Ignore
3360 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
3361 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
3362 variables that cannot have TBAA applied.
3363 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
3366 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
3369 * calls.c (initialize_argument_information): Do not wrap complex
3370 arguments in SAVE_EXPR.
3372 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
3374 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
3375 (INSTALL_LIBGCC): Revert typo commit.
3377 2009-01-26 Richard Guenther <rguenther@suse.de>
3379 PR tree-optimization/38745
3380 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
3381 from special handling.
3383 2009-01-26 Richard Guenther <rguenther@suse.de>
3385 PR tree-optimization/38745
3386 * tree-ssa.c (execute_update_addresses_taken): Do not include
3387 variables that cannot possibly be a register in not_reg_needs.
3388 Do not clear TREE_ADDRESSABLE on vars that may not become
3390 * tree-ssa.c (update_alias_info_1): Include those in the set
3391 of addressable vars.
3393 2009-01-26 Richard Guenther <rguenther@suse.de>
3396 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
3397 * tree-ssa-dse.c: Include langhooks.h
3398 (execute_simple_dse): Remove stores with zero size.
3400 2009-01-24 Jakub Jelinek <jakub@redhat.com>
3403 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
3406 2009-01-24 Julian Brown <julian@codesourcery.com>
3408 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
3409 config/arm/linux-atomic.c.
3410 * config/arm/linux-atomic.c: New.
3412 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
3414 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
3415 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
3416 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
3418 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
3421 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
3424 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
3426 PR tree-optimization/38953
3427 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3428 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
3429 (gloog): Split the exit of the scop when the scop exit is a loop exit.
3430 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3433 2009-01-24 Paul Brook <paul@codesourcery.com>
3435 * config/arm/neon.md (neon_type): Move to arm.md.
3436 (neon_mov<VSTRUCT>): Add neon_type attribute.
3437 * config/arm/arm.md (neon_type): Move to here.
3438 (conds): Add "unconditioal" and use as default for NEON insns.
3440 2009-01-24 Ben Elliston <bje@au.ibm.com>
3442 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
3443 void *' warning from -Wc++-compat.
3444 * Makefile.in (dominance.o-warn): Remove.
3446 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
3448 PR tree-optimization/38932
3449 * fold-const.c (fold_unary_ignore_overflow): New.
3450 * tree.h (fold_unary_ignore_overflow): Declare.
3451 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
3452 * tree-ssa-sccvn.c (visit_reference_op_load,
3453 simplify_unary_expression): Likewise.
3455 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
3457 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
3458 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
3459 regardless of their type.
3460 * c-common.c (handle_packed_attribute): Don't ignore packed on
3462 * c.opt (Wpacked-bitfield-compat): New warning option.
3463 * stor-layout.c (place_field): Warn if offset of a field changed.
3464 * doc/extend.texi (packed): Mention the ABI change.
3465 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
3466 (Warning Options): Add it to the list.
3468 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
3470 * c-opts.c (c_common_post_options): Fix a typo in comments.
3472 2009-01-22 Steve Ellcey <sje@cup.hp.com>
3475 * gimplify.c (gimplify_init_constructor): Fix promotion of const
3476 variables to static.
3477 * doc/invoke.texi (-fmerge-all-constants): Update description.
3479 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
3482 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
3483 (*movdi_1_rex64): Use type "mmx" for alternative 5.
3485 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
3487 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
3489 (LOCAL_ALIGNMENT): Similarly.
3491 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
3492 Joseph Myers <joseph@codesourcery.com>
3494 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
3495 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
3496 * config/arm/arm-tune.md: Regenerate.
3497 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
3500 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
3502 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
3503 version number to five.
3505 2009-01-22 Dodji Seketeli <dodji@redhat.com>
3508 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
3509 * c-common.c (set_underlying_type): Likewise.
3510 (is_typedef_decl ): Likewise
3512 (set_underlying_type): Likewise.
3513 (is_typedef_type): Likewise.
3515 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
3518 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
3521 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
3524 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
3525 (LIBGCC_SPEC): Don't define.
3526 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
3528 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
3530 PR rtl-optimization/38879
3531 * alias.c (base_alias_check): Unaligned access via AND address can
3532 alias all surrounding object types except those with sizes equal
3533 or wider than the size of unaligned access.
3535 2009-01-21 Dodji Seketeli <dodji@redhat.com>
3538 * c-decl.c (clone_underlying_type): Move this ...
3539 * c-common.c (set_underlying_type): ... here.
3540 Also, make sure the function properly sets TYPE_STUB_DECL() on
3541 the newly created typedef variant type.
3542 (is_typedef_decl ): New entry point.
3543 * tree.h: Added a new member member_types_needing_access_check to
3544 struct tree_decl_non_common.
3545 (set_underlying_type): New entry point.
3546 (is_typedef_type): Likewise.
3548 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
3550 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
3551 Check whether two instructions have memory references that
3552 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
3553 are helper functions for traversing.
3554 * alias.h (insn_alias_sets_confilict_p): New prototypes.
3555 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
3556 not to draw dependency edge for instructions with non-conflicting
3559 2009-01-20 Joseph Myers <joseph@codesourcery.com>
3562 * longlong.h: Update copyright years. Use soft-fp license notice.
3563 Sync __clz_tab declaration with glibc.
3565 2009-01-20 Steve Ellcey <sje@cup.hp.com>
3568 * doc/extend.texi (syscall_linkage): New.
3569 (version_id): Modify.
3571 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
3572 Richard Guenther <rguenther@suse.de>
3574 PR tree-optimization/38747
3575 PR tree-optimization/38748
3576 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
3577 conversion if the base address is an indirect reference and the
3578 aliasing sets could cause issues.
3580 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
3582 * common.opt (fgraphite, fgraphite-identity): Add comment for
3583 explaining why these options are not documented.
3585 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
3587 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3588 gimple_call_lhs is NULL.
3590 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
3593 * emit-rtl.c (adjust_address_1): Make sure memref is never
3596 2009-01-20 Ben Elliston <bje@au.ibm.com>
3598 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
3599 const qualifier from arg parameter. Remove unnecessary cast to char *.
3600 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
3601 const qualifier from arg 2.
3603 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
3605 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
3607 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
3610 * rtl.h (reinit_regs): New prototype.
3611 * regclass.c: Include ira.h.
3613 * Makefile.in (regclass.o): Add ira.h.
3614 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
3616 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
3619 * c-common.c (handle_aligned_attribute): Use
3620 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
3621 default alignment value.
3623 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
3625 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
3626 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
3628 * doc/extend.texi: Update __attribute__ ((aligned)). Document
3629 __BIGGEST_ALIGNMENT__.
3631 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
3633 2009-01-18 Richard Guenther <rguenther@suse.de>
3635 PR tree-optimization/38819
3636 * tree-flow.h (operation_could_trap_helper_p): Declare.
3637 * tree-eh.c (operation_could_trap_helper_p): Export.
3638 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
3639 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
3640 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
3641 are about to insert a possibly trapping instruction and fail
3644 2009-01-18 Andreas Schwab <schwab@suse.de>
3646 * doc/install.texi (Configuration): Remove obsolete paragraph
3647 about use of --with-gnu-ld with --with-gnu-as.
3649 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
3651 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
3652 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
3653 Follow spelling conventions.
3655 2009-01-18 Ben Elliston <bje@au.ibm.com>
3657 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
3658 C++ warning about implicit conversion from void * to struct
3660 (bitmap_obstack_free): Likewise for bitmap_element *.
3661 * Makefile.in (bitmap.o-warn): Remove.
3663 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
3665 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
3667 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
3668 Tobias Grosser <tobi.grosser@amd.com>
3670 * graphite.c (graphite_trans_scop_block): Do not block single
3673 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
3675 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
3676 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
3677 test with assertion.
3679 2009-01-16 Richard Guenther <rguenther@suse.de>
3681 PR tree-optimization/38835
3683 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
3684 and INT + PTR -> (INT)(PTR p+ INT) folding.
3685 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
3687 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
3690 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
3691 the subreg from a lowpart subreg if it is also casting the value.
3693 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
3694 Tobias Grosser <tobi.grosser@amd.com>
3696 * graphite.c (compare_prefix_loops): New.
3697 (build_scop_canonical_schedules): Rewritten.
3698 (graphite_transform_loops): Move build_scop_canonical_schedules
3699 after build_scop_iteration_domain.
3701 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
3702 Tobias Grosser <tobi.grosser@amd.com>
3704 * graphite.c (add_conditions_to_domain): Add the loops to
3705 the dimension of the iteration domain. Do copy the domain
3706 only when it exists.
3707 (build_scop_conditions_1): Do not call add_conditions_to_domain.
3708 (add_conditions_to_constraints): New.
3709 (can_generate_code_stmt, can_generate_code): Removed.
3710 (gloog): Do not call can_generate_code.
3711 (graphite_transform_loops): Call add_conditions_to_constraints
3712 after building the iteration domain.
3714 2009-01-16 Jakub Jelinek <jakub@redhat.com>
3716 PR tree-optimization/38789
3717 * tree-ssa-threadedge.c
3718 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
3719 __builtin_constant_p.
3721 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
3723 * dce.c (delete_unmarked_insns): Reversed the order that insns are
3724 examined before deleting them.
3726 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
3728 * function.c (aggregate_value_p): Correctly extract the function
3729 type from CALL_EXPR_FN lookup.
3731 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3733 * config/picochip/picochip.c (picochip_override_options): Revert
3734 CFI asm flag disable commited previously.
3736 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
3737 Tobias Grosser <tobi.grosser@amd.com>
3738 Jan Sjodin <jan.sjodin@amd.com>
3740 * graphite.c (scan_tree_for_params): On substractions negate
3741 all the coefficients of the term.
3742 (clast_to_gcc_expression_red): New. Handle reduction expressions
3743 of more than two operands.
3744 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3745 (get_vdef_before_scop): Handle also the case of default definitions.
3747 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3749 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
3750 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
3751 Also use them when walking CALL_INSN_FUNCTION_USAGE.
3753 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
3754 Joey Ye <joey.ye@intel.com>
3757 * cfgexpand.c (expand_stack_alignment): Don't update stack
3758 boundary nor check incoming stack boundary here.
3759 (gimple_expand_cfg): Update stack boundary and check incoming
3760 stack boundary here.
3762 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
3764 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
3766 2009-01-14 Jakub Jelinek <jakub@redhat.com>
3768 PR rtl-optimization/38245
3769 * calls.c (expand_call): Add stack arguments to
3770 CALL_INSN_FUNCTION_USAGE even for pure calls (when
3771 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
3772 in regs and partially in memory or BLKmode arguments.
3773 (emit_library_call_value_1): Add stack arguments to
3774 CALL_INSN_FUNCTION_USAGE even for pure calls (when
3775 ACCUMULATE_OUTGOING_ARGS).
3776 * dce.c: Include tm_p.h.
3777 (find_call_stack_args): New function.
3778 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
3780 (mark_insn): Call find_call_stack_args for CALL_Ps.
3781 (prescan_insns_for_dce): Walk insns backwards in bb rather than
3782 forwards. Allocate and free arg_stores bitmap if needed, pass it
3783 down to deletable_insn_p, don't mark stores set in arg_stores
3784 bitmap, clear the bitmap at the beginning of each bb.
3785 * Makefile.in (dce.o): Depend on $(TM_P_H).
3787 2009-01-14 Michael Meissner <gnu@the-meissners.org>
3790 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
3791 to make sure the insn is a conditional test (bug 22599). Reformat a
3794 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
3797 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3798 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3799 (gloog): Do not call cleanup_tree_cfg.
3800 (graphite_transform_loops): Call cleanup_tree_cfg after all
3801 scops have been code generated.
3803 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
3804 * doc/gty.texi (Invoking the garbage collector): Added new node
3805 and section documenting ggc_collect.
3807 2009-01-14 Richard Guenther <rguenther@suse.de>
3809 PR tree-optimization/38826
3811 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
3812 initialization notes only if we actually emitted a warning.
3813 (intra_create_variable_infos): Add constraints for a result decl
3814 that is passed by hidden reference.
3815 (build_pred_graph): Mark all related variables non-direct on
3818 2009-01-14 Nick Clifton <nickc@redhat.com>
3820 * ira-conflicts.c: Include addresses.h for the definition of
3822 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
3823 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
3825 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
3828 * Makefile.in (ira-lives.o): Add except.h.
3830 * ira-lives.c: Include except.h.
3831 (process_bb_node_lives): Process can_throw_internal.
3833 2009-01-13 Jakub Jelinek <jakub@redhat.com>
3835 PR rtl-optimization/38774
3836 * combine.c (simplify_set): When undoing cc_use change, don't do
3837 PUT_CODE on the newly created comparison, but instead put back the
3840 2009-01-13 Joseph Myers <joseph@codesourcery.com>
3842 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
3843 values. Remove duplicate arm8 entry.
3845 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
3847 PR tree-optimization/38786
3848 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3849 the SSA_NAME case of expand_scalar_variables_expr.
3850 Set the type of an expression to the type of its assign statement.
3851 (expand_scalar_variables_expr): Also gather the scalar computation
3852 used to index the memory access. Do not pass loop_p.
3853 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
3854 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3855 the gimple_stmt_iterator where it inserts new code.
3857 (copy_bb_and_scalar_dependences): Do not pass loop_p.
3858 (translate_clast): Update call to copy_bb_and_scalar_dependences.
3860 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
3862 * graphite.h (debug_value): Removed.
3863 * graphite.c (debug_value): Removed.
3865 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
3867 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
3868 ldrd/strd with two 32-bit instructions.
3870 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
3872 * config/arm/arm.c (struct processors): Pass for speed down into
3873 cost helper functions.
3874 (const_ok_for_op): Handle COMPARE and inequality nodes.
3875 (arm_rtx_costs_1): Rewrite.
3876 (arm_size_rtx_costs): Update prototype.
3877 (arm_rtx_costs): Pass speed down to helper functions.
3878 (arm_slowmul_rtx_costs): Rework cost calculations.
3879 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
3880 (arm_9e_rtx_costs): Likewise.
3882 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
3884 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
3885 relocations of local symbols wider than UNITS_PER_WORD are not valid.
3886 (alpha_legitimize_address): Do not split local symbols wider than
3887 UNITS_PER_WORD into HIGH/LO_SUM parts.
3889 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
3892 * gcc.c (process_command): Replace call to execvp with calls
3893 to pex_one and exit.
3895 2009-01-03 Anatoly Sokolov <aesok@post.ru>
3898 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
3899 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
3900 variant for devices with 3-byte PC.
3901 (__tablejump_elpm__): New.
3903 2009-01-12 Jakub Jelinek <jakub@redhat.com>
3906 * c-parser.c (c_parser_postfix_expression): Allow `->' in
3907 offsetof member-designator, handle it as `[0].'.
3909 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3911 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
3912 function when not using named sections on targets with named sections
3913 if branch distance is less than 262132.
3915 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
3917 * combine.c (combine_instructions): Recompute
3918 optimize_this_for_speed_p for each BB in the main combine loop.
3920 2009-01-12 Tomas Bily <tbily@suse.cz>
3923 * tree-loop-distribution.c (prop_phis): New function.
3924 (generate_builtin): Call prop_phis.
3925 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
3927 2009-01-12 Jakub Jelinek <jakub@redhat.com>
3929 PR tree-optimization/38807
3930 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
3931 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
3933 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
3935 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
3936 subreg of op0 to the original op0.
3938 2009-01-11 Laurent GUERBY <laurent@guerby.net>
3940 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
3942 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
3945 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
3946 starting with digits.
3948 2009-01-10 Jakub Jelinek <jakub@redhat.com>
3951 * config/arm/arm.c (arm_is_long_call_p): Don't call
3952 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
3954 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
3956 * regrename.c (regrename_optimize): Fix dumping.
3957 (find_oldest_value_reg): Preserve REG_POINTER.
3958 (copy_hardreg_forward_1): Likewise.
3960 2009-01-09 Diego Novillo <dnovillo@google.com>
3962 * gimple.h (struct gimple_statement_base) <uid>: Document
3963 the restrictions on its use.
3965 (gimple_set_uid): Tidy.
3967 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3969 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
3970 zero guard even if align_bytes != 0 and count is smaller than
3973 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
3975 PR rtl-optimization/38495
3976 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
3977 (add_range_and_copies_from_move_list): Print all added ranges.
3978 Add ranges to memory optimized destination.
3980 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3984 * config/i386/i386.c (override_options): Reject
3985 -mstringop-strategy=rep_8byte with -m32.
3986 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
3987 to 1. Do count comparison against epilogue_size_needed at compile
3988 time even when count_exp was constant forced into register. For
3989 size_needed don't jump to epilogue, instead just avoid aligning
3990 and invoke the body algorithm. If need_zero_guard, add zero guard
3991 even if count is non-zero, but smaller than size_needed + number of
3992 bytes that could be stored for alignment.
3993 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
3994 to 1. If need_zero_guard, add zero guard even if count is non-zero,
3995 but smaller than size_needed + number of bytes that could be stored
3996 for alignment. Compare size_needed with epilogue_size_needed instead
3997 of desired_align - align, don't adjust size_needed, pass
3998 epilogue_size_needed to the epilogue expanders.
4001 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
4003 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4005 * pa.c (last_address): Change to unsigned.
4006 (update_total_code_bytes): Change argument to unsigned. Don't
4007 check if insn addresses are set.
4008 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
4009 addresses are not set.
4010 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
4012 2009-01-09 Nick Clifton <nickc@redhat.com>
4014 * config/sh/symbian.c: Replace uses of DECL_INLINE with
4015 DECL_DECLARED_INLINE_P.
4017 2009-01-09 Jakub Jelinek <jakub@redhat.com>
4020 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
4021 GET_MODE (op0) in operand_subword_force calls.
4024 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
4025 fold_convert arg0 operands to TREE_TYPE (op0) first.
4027 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
4029 * params.def (ira-max-conflict-table-size): Decrease default value
4032 2009-01-08 Jakub Jelinek <jakub@redhat.com>
4034 PR tree-optimization/37031
4035 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
4037 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
4038 allocate it using gc instead of heap, use VEC_quick_push instead of
4040 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
4041 instead of heap, use VEC_quick_push instead of VEC_safe_push.
4042 * tree-data-ref.h (struct access_matrix): Change matrix to gc
4043 allocated vector from heap allocated.
4044 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
4045 * tree-loop-linear.c (linear_transform_loops): Allocate nest
4046 vector only after perfect_loop_nest_depth call.
4048 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
4049 Jan Sjodin <jan.sjodin@amd.com>
4051 PR tree-optimization/38559
4052 * graphite.c (debug_value, copy_constraint,
4053 swap_constraint_variables, scale_constraint_variable, ): New.
4054 (get_lower_bound, get_upper_bound): Removed.
4055 (graphite_trans_bb_strip_mine): Clean up this code that works
4056 only for constant number of iterations. Fully copy upper and
4057 lower bound constraints, not only the constant part of them.
4058 * graphite.h (debug_value): Declared.
4060 2009-01-08 Ira Rosen <irar@il.ibm.com>
4062 PR tree-optimization/37194
4063 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
4064 Don't add the cost of cost model guard in prologue to scalar
4065 outside cost in case of known number of iterations.
4067 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
4068 Alan Modra <amodra@bigpond.net.au>
4070 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
4071 non-word-aligned REG+CONST addressing.
4073 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
4076 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
4077 free_after_compilation when outputting a thunk.
4078 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
4079 Do not call free_after_compilation here.
4081 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
4083 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
4084 (ix86_valid_target_attribute_inner_p): Ditto.
4086 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
4088 PR tree-optimization/38492
4089 PR tree-optimization/38498
4090 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
4091 * tree-chrec.h (scev_is_linear_expression): Declared.
4092 * graphite.c (graphite_cannot_represent_loop_niter): New.
4093 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
4094 (graphite_loop_normal_form): Use gcc_assert.
4095 (scan_tree_for_params): Use CASE_CONVERT.
4096 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
4097 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
4098 Use gcc_assert. Discard scops that contain unhandled cases.
4099 (build_scop_conditions): Return a boolean status for unhandled cases.
4100 (strip_mine_profitable_p): Print the loop number, not its depth.
4101 (is_interchange_valid): Pass the depth of the loop nest, don't
4102 recompute it wrongly.
4103 (graphite_trans_bb_block): Same.
4104 (graphite_trans_bb_block): Print tentative of loop blocking.
4105 (graphite_trans_scop_block): Do not print that the loop has been
4107 (graphite_transform_loops): Do not handle scops that contain condition
4110 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
4112 AVX Programming Reference (December, 2008)
4113 * config/i386/avxintrin.h (_mm256_stream_si256): New.
4114 (_mm256_stream_pd): Likewise.
4115 (_mm256_stream_ps): Likewise.
4117 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
4118 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
4119 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
4120 (bdesc_special_args): Add __builtin_ia32_movntdq256,
4121 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
4122 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
4123 (ix86_expand_special_args_builtin): Likewise.
4125 * config/i386/sse.md (AVXMODEDI): New.
4126 (avx_movnt<mode>): Likewise.
4127 (avx_movnt<mode>): Likewise.
4128 (<sse>_movnt<mode>): Remove AVX support.
4129 (sse2_movntv2di): Likewise.
4131 2009-01-07 Richard Guenther <rguenther@suse.de>
4134 * fold-const.c (extract_muldiv): Remove obsolete comment.
4135 (fold_plusminus_mult_expr): Undo MINUS_EXPR
4136 to PLUS_EXPR canonicalization for the canonicalization.
4138 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
4140 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
4141 hosted cross-compilers generating less efficient code.
4143 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
4145 * function.h (rtl_data): Add a dbr_scheduled_p field.
4146 * reorg.c (dbr_schedule): Set it.
4147 (gate_handle_delay_slots): Check it.
4148 * config/mips/mips.c (mips_base_delayed_branch): Delete.
4149 (mips_reorg): Check flag_delayed_branch instead of
4150 mips_base_delayed_branch.
4151 (mips_override_options): Don't set mips_base_delayed_branch
4152 or flag_delayed_branch.
4154 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
4156 PR rtl-optimization/38426.
4157 * ira.c (ira): Set current_function_is_leaf earlier.
4159 2009-01-06 Jakub Jelinek <jakub@redhat.com>
4161 PR rtl-optimization/38722
4162 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
4163 too early, only set a flag and modify after last possible
4166 2009-01-06 Janis Johnson <janis187@us.ibm.com>
4169 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
4170 * real.c (decimal_single_format): Correct values of emin and emax.
4171 (decimal_double_format): Ditto.
4172 (decimal_quad_format): Ditto.
4173 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
4174 computation of DECnn_MIN and DECnn_MAX for corrected values of
4175 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
4176 __DECnn_MIN__, and adjust its computation for the corrected value
4179 2009-01-06 Jan Hubicka <jh@suse.cz>
4182 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
4184 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
4186 * doc/contrib.texi (Contributors): Slightly adjust the end note.
4187 Add Robert Clark to the list of testers.
4189 2009-01-06 Jan Hubicka <jh@suse.cz>
4190 Kai Tietz <kai.tietz@onevision.com>
4192 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
4193 * config/i386/i386.c (ix86_expand_call): Add clobbers.
4195 2009-01-06 Jan Hubicka <jh@suse.cz>
4196 Kai Tietz <kai.tietz@onevision.com>
4198 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
4200 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
4201 (ix86_nsaved_regs): Count only general purpose regs.
4202 (ix86_nsaved_sseregs): New.
4203 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
4204 to 16 for w64; compute padding and size of sse reg save area.
4205 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
4206 general purpose regs.
4207 (ix86_emit_save_sse_regs_using_mov): New.
4208 (ix86_expand_prologue): Save SSE regs if needed.
4209 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
4210 (ix86_emit_restore_sse_regs_using_mov): New.
4211 (ix86_expand_epilogue): Save SSE regs if needed.
4213 2009-01-06 Jan Hubicka <jh@suse.cz>
4214 Kai Tietz <kai.tietz@onevision.com>
4216 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
4217 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
4218 functions when accumulate outgoing args is off.
4220 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
4223 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
4224 before using pseudos_have_intersected_live_ranges_p.
4226 * ira-int.h (ira_assert): Always define.
4228 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
4230 AVX Programming Reference (December, 2008)
4231 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
4232 (_mm256_permute2_pd): Likewise.
4233 (_mm_permute2_ps): Likewise.
4234 (_mm256_permute2_ps): Likewise.
4235 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
4236 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
4238 * config/i386/i386.c (ix86_builtins): Remove
4239 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
4240 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
4241 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
4242 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
4243 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
4244 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
4245 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
4246 __builtin_ia32_vpermil2ps256.
4247 (ix86_init_mmx_sse_builtins): Updated.
4248 (ix86_expand_args_builtin): Likewise.
4250 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4252 * pa.c (output_call): Relocate non-jump insns in the delay slot of
4253 long absolute calls when generating PA 2.0 code.
4255 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
4257 PR rtl-optimization/38583
4258 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
4260 * params.def (ira-max-conflict-table-size): New.
4262 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
4264 * ira.h (ira_conflicts_p): New external definition.
4266 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
4267 table. Report this. Return result of building.
4268 (ira_build_conflicts): Use ira_conflicts_p. Check result of
4269 building conflict table.
4271 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
4272 (ira_color): Use ira_conflicts_p.
4274 * global.c: Include ira.h.
4275 (pseudo_for_reload_consideration_p, build_insn_chain): Use
4278 * Makefile.in (global.o): Add ira.h.
4280 * ira-build.c (mark_all_loops_for_removal,
4281 propagate_some_info_from_allocno): New.
4282 (remove_unnecessary_allocnos): Call
4283 propagate_some_info_from_allocno.
4284 (remove_low_level_allocnos): New.
4285 (remove_unnecessary_regions): Add parameter. Call
4286 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
4287 parameter to remove_unnecessary_regions.
4288 (ira_build): Remove all regions but root if the conflict table was
4289 not built. Update conflict hard regs for allocnos crossing calls.
4291 * ira.c (ira_conflicts_p): New global.
4292 (ira): Define and use ira_conflicts_p.
4294 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
4295 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
4296 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
4298 2009-01-06 Ben Elliston <bje@au.ibm.com>
4300 * gengtype-lex.l (YY_NO_INPUT): Define.
4302 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
4305 * c-common.c (handle_vector_size_attribute): Also reject
4308 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
4310 PR tree-optimization/38492
4311 * graphite.c (rename_map_elt, debug_rename_elt,
4312 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4313 rename_map_elt_info, eq_rename_map_elts,
4314 get_new_name_from_old_name, bb_in_sese_p): Moved around.
4315 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4316 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4317 (sese_build_livein_liveouts): New.
4318 (new_sese, free_sese): New.
4319 (new_scop): Call new_sese.
4320 (free_scop): Call free_sese.
4321 (rename_variables_from_edge, rename_phis_end_scop): Removed.
4322 (register_old_new_names): Renamed register_old_and_new_names.
4323 (register_scop_liveout_renames, add_loop_exit_phis,
4324 insert_loop_close_phis, struct igp,
4325 default_liveout_before_guard, add_guard_exit_phis,
4326 insert_guard_phis, copy_renames): New.
4327 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4328 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4329 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4330 (scop_adjust_phis_for_liveouts): New.
4331 (gloog): Call scop_adjust_phis_for_liveouts.
4333 * graphite.h (struct sese): Documented. Added fields liveout,
4335 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4336 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4337 (struct scop): Added field liveout_renames.
4338 (SCOP_LIVEOUT_RENAMES): New.
4340 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
4342 PR tree-optimization/38510
4343 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4344 (translate_clast): Call recompute_all_dominators before
4346 (gloog): Call recompute_all_dominators before graphite_verify.
4348 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
4349 Jan Sjodin <jan.sjodin@amd.com>
4351 PR tree-optimization/38500
4352 * graphite.c (create_sese_edges): Call fix_loop_structure after
4355 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
4357 * config.gcc: Add m32r*-*-rtems*.
4358 * config/m32r/rtems.h: New file.
4360 2009-01-05 Ben Elliston <bje@au.ibm.com>
4362 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
4363 (.po.pox): Likewise.
4364 (po/gcc.pot): Likewise.
4366 2009-01-04 David S. Miller <davem@davemloft.net>
4368 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
4369 (STARTING_FRAME_OFFSET): Always set to zero.
4371 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
4373 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
4374 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
4375 fixed-point types, and vectors of the same.
4377 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
4379 * config/mips/sync.md (*mb_barrier): Rename to...
4380 (*memory_barrier): ...this.
4382 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
4384 * doc/extend.texi (Function Attributes): Move @cindex after @item
4385 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
4386 and put in alphabetical order. Fix 'target' name and put in order.
4387 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
4390 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
4392 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
4393 (memory_barrier): Expand as unspec instead of unspec_volatile.
4394 Remove mem:BLK from insn operands. Use Pmode scratch register.
4395 (*memory_barrier): Define as unspec instead of unspec_volatile.
4396 Use (match_dup 0) as input operand.
4398 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
4399 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
4400 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
4401 scratch register. Remove operand 1.
4402 (*stbar): Define as unspec instead of unspec_volatile.
4403 Use (match_dup 0) as input operand, remove (const_int 8).
4404 (*membar): Define as unspec instead of unspec_volatile.
4405 Use (match_dup 0) as input operand, remove input operand 2.
4407 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
4408 (memory_barrier): Expand as unspec instead of unspec_volatile.
4409 Remove mem:BLK from insn operands. Use Pmode scratch register.
4410 (*memory_barrier): Define as unspec instead of unspec_volatile.
4411 Use (match_dup 0) as input operand.
4413 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
4414 Remove mem:BLK from insn operands. Use Pmode scratch register.
4415 Set volatile flag on operand 0.
4416 (*memory_barrier): New insn pattern.
4418 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
4420 (*memory_barrier): Use (match_dup 0) as input operand.
4422 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
4423 Remove mem:BLK from insn operands. Use Pmode scratch register.
4424 Set volatile flag on operand 0.
4425 (*mb_internal): New insn pattern.
4427 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
4429 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
4432 * function.c (struct temp_slot): Move to the section of the file
4433 that deals with temp slots. Remove field 'address'.
4434 (temp_slot_address_table): New hash table of address -> temp slot.
4435 (struct temp_slot_address_entry): New struct, items for the table.
4436 (temp_slot_address_compute_hash, temp_slot_address_hash,
4437 temp_slot_address_eq, insert_temp_slot_address): Support functions
4439 (find_temp_slot_from_address): Rewrite to use the new hash table.
4440 (remove_unused_temp_slot_addresses): Remove addresses of temp
4441 slots that have been made available.
4442 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
4443 worker function for remove_unused_temp_slot_addresses.
4444 (assign_stack_temp_for_type): Don't clear the temp slot address list.
4445 Add the temp slot address to the address -> temp slot map.
4446 (update_temp_slot_address): Update via insert_temp_slot_address.
4447 (free_temp_slots): Call remove_unused_temp_slot_addresses.
4448 (pop_temp_slots): Likewise.
4449 (init_temp_slots): Allocate the address -> temp slot map, or empty
4450 the map if it is already allocated.
4451 (prepare_function_start): Initialize temp slot processing.
4453 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
4456 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
4457 Calculate the size of all stack vars assuming no packing of stack
4458 vars will happen, replacing a quadratic algorithm with a linear one.
4460 2009-01-03 Jakub Jelinek <jakub@redhat.com>
4463 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
4466 2009-01-03 Diego Novillo <dnovillo@google.com>
4468 * doc/contrib.texi: Update contributions.
4470 2009-01-03 Jakub Jelinek <jakub@redhat.com>
4473 * builtins.c (fold_builtin_memory_op): Give up if either operand
4474 is volatile. Set srctype or desttype to non-qualified version
4478 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
4481 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
4483 PR rtl-optimization/35805
4484 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
4485 problem if fast dce is able to remove any instructions.
4486 * dce.c (dce_process_block): Fix dump message.
4488 2009-01-02 Mark Mitchell <mark@codesourcery.com>
4491 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
4493 2009-01-02 Jakub Jelinek <jakub@redhat.com>
4496 * tree-flow.h (op_code_prio, op_prio): New prototypes.
4497 * tree-pretty-print.c (op_code_prio): New function.
4498 (op_prio): No longer static. Use op_code_prio.
4499 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
4500 Use op_prio and op_code_prio to determine if () should be
4501 printed around operand(s) or not.
4503 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
4504 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
4505 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
4506 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
4507 pp_character instead of pp_string for single letter printing.
4509 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4511 * doc/extend.texi: Fix '#pragma GCC option' typo.
4513 2009-01-02 Richard Guenther <rguenther@suse.de>
4515 * doc/install.texi (--enable-checking): Mention different
4517 (--enable-stage1-checking): Document.
4519 2009-01-01 Andrew Pinski <pinskia@gmail.com>
4522 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
4523 case to be an error.
4525 2009-01-02 Ben Elliston <bje@au.ibm.com>
4527 * config/fp-bit.h (pack_d): Constify argument.
4528 * config/fp-bit.c (makenan): Constify return type. Remove casts.
4529 (isnan): Constify argument.
4533 (_fpadd_parts): Constify return type.
4534 (_fpmul_parts): Likewise.
4535 (_fpdiv_parts): Likewise.
4537 2009-01-01 Jakub Jelinek <jakub@redhat.com>
4540 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
4541 warn about overwriting initializer with side-effects or
4542 -Woverride-init if !IMPLICIT.
4543 (output_init_element): Likewise. Pass IMPLICIT down to
4545 (process_init_element): Add IMPLICIT argument. Pass it down
4546 to output_init_element.
4547 (push_init_element, pop_init_level, set_designator): Adjust
4548 process_init_element callers.
4549 (set_nonincremental_init, set_nonincremental_init_from_string):
4550 Adjust add_pending_init callers.
4551 (output_pending_init_elements): Adjust output_init_element callers.
4552 * c-tree.h (process_init_element): Adjust prototype.
4553 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
4554 process_init_element callers.
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