1 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
3 * loop-iv.c (suitable_set_for_replacement): Renamed from
4 simplify_using_assignment; changed to return bool and to accept new
5 args DEST and SRC. Return true iff we find a source/destination pair
6 that can be used to make a replacement, and fill SRC and DEST if so.
7 Remove arg ALTERED. Don't deal with altered regs here. All callers
9 (simplify_using_initial_values): Deal with altered regs here and track
10 more precisely the effect they have on the validity of our expression.
12 * loop-iv.c (simplify_using_condition): A condition of the form
13 (EQ REG CONST) can be used to simply make a substitution.
14 (simplify_using_initial_values): Keep track of conditions we have seen
15 and keep using them to simplify new expressions, while applying the
16 same substitutions to them as to the expression.
18 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
21 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
23 2009-03-31 Richard Guenther <rguenther@suse.de>
26 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
27 equality comparisons. Fold C - X CMP X if C % 2 == 1.
29 2009-03-31 Richard Guenther <rguenther@suse.de>
31 * tree.h (div_if_zero_remainder): Declare.
32 * fold-const.c (div_if_zero_remainder): Export.
34 (forward_propagate_addr_into_variable_array_index): Handle
35 constant array index addition outside of the variable index.
37 2009-03-31 Joseph Myers <joseph@codesourcery.com>
40 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
41 define_splits, floatunssi<mode>2): Require x87 conversions from
42 DImode to be permitted.
44 2009-03-31 Joseph Myers <joseph@codesourcery.com>
47 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
49 2009-03-31 Richard Guenther <rguenther@suse.de>
53 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
54 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
55 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
57 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
58 (lookup_tmp_var): Likewise.
59 (is_gimple_formal_tmp_or_call_rhs): Remove.
60 (is_gimple_reg_or_call_rhs): Rename to ...
61 (is_gimple_reg_rhs_or_call): ... this.
62 (is_gimple_mem_or_call_rhs): Rename to ...
63 (is_gimple_mem_rhs_or_call): ... this.
64 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
65 DECL_GIMPLE_REG_P only if is_formal is true.
66 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
67 for non-proper post-modify expression gimplification.
68 (gimplify_self_mod_expr): For post-modify expressions gimplify
69 the lvalue to a minimal lvalue.
70 (rhs_predicate_for): Remove formal temp case.
71 (gimplify_modify_expr_rhs): Likewise.
72 (gimplify_addr_expr): Use is_gimple_reg.
73 (gimplify_expr): Remove formal temp cases.
74 (gimple_regimplify_operands): Likewise.
75 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
76 and FILTER_EXPR like constants.
77 * gimple.c (walk_gimple_op): Fix val_only initialization, use
79 (is_gimple_formal_tmp_rhs): Remove.
80 (is_gimple_reg_rhs): Remove special casing.
81 (is_gimple_mem_rhs): Fix.
82 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
83 (is_gimple_formal_tmp_var): Remove.
84 (is_gimple_formal_tmp_reg): Likewise.
85 (is_gimple_min_lval): Allow invariant component ref parts.
86 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
87 is_gimple_formal_tmp_reg): Remove declarations.
88 * tree-cfg.c (verify_expr): Verify that variables with address
89 taken do not have DECL_GIMPLE_REG_P set.
90 * tree-mudflap.c (mf_build_check_statement_for): Use
91 force_gimple_operand instead of gimplify_expr.
93 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
95 * modulo-sched.c (sms_schedule_by_order): Pass the actual
96 schedulable rows to compute_split_row.
98 2009-03-31 Ben Elliston <bje@au.ibm.com>
101 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
104 2009-03-31 Alan Modra <amodra@bigpond.net.au>
106 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
107 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
108 * configure: Regenerate.
109 * config.in: Regenerate.
110 * config/rs6000/rs6000.opt (mtls-markers): Add.
111 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
112 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
113 (tls_ld_aix, tls_ld_sysv): Likewise.
114 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
115 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
117 2009-03-31 Alan Modra <amodra@bigpond.net.au>
119 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
121 2009-03-30 Jan Hubicka <jh@suse.cz>
123 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
125 (tree_remove_unreachable_handlers): Cleanup EH predecestor
126 detection and label handling.
128 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
130 * ira-int.h (ira_allocno): Rename left_conflicts_num to
132 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
133 ALLOCNO_LEFT_CONFLICTS_SIZE.
135 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
136 remove_allocno_from_bucket_and_push,
137 allocno_spill_priority_compare, push_allocnos_to_stack,
138 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
139 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
140 (setup_allocno_left_conflicts_num): Ditto. Rename to
141 setup_allocno_left_conflicts_size.
142 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
143 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
144 setup_allocno_left_conflicts_size instead of
145 setup_allocno_left_conflicts_num.
147 * ira-build.c (ira_create_allocno): Use
148 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
149 ALLOCNO_LEFT_CONFLICTS_NUM.
151 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
153 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
154 instead of DF_LR_OUT.
156 * ira-lives.c (process_bb_node_lives): Ditto.
158 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
159 instead of DF_LR_{OUT,IN}.
161 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
163 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
165 2009-03-30 Jan Hubicka <jh@suse.cz>
167 * except.c (label_to_region_map): Fix thinko.
169 2009-03-30 Steve Ellcey <sje@cup.hp.com>
172 * tree.h (tree_find_value): New declaration.
173 * tree.c (tree_find_value): New function.
174 * varasm.c (assemble_external): Avoid duplicate entries on lists.
176 2009-03-30 Jakub Jelinek <jakub@redhat.com>
179 * c-decl.c (struct c_binding): Add locus field.
180 (bind): Add locus argument, set locus field from it.
181 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
182 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
183 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
184 implicitly_declare, undeclared_variable, lookup_label,
185 declare_label, c_make_fname_decl, c_builtin_function,
186 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
189 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
192 * config/i386/i386.c (classify_argument): Check total size of
195 2009-03-30 Martin Jambor <mjambor@suse.cz>
197 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
198 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
199 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
202 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
203 seen_variable_array_ref while also traversing a union.
205 * tree-inline.c (optimize_inline_calls): Do not call
206 cgraph_node_remove_callees.
207 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
208 (pass_remove_cgraph_callee_edges): New variable.
209 * passes.c (init_optimization_passes): Add
210 pass_remove_cgraph_callee_edges after early inlining and before all
211 late intraprocedural passes.
213 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
215 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
217 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
220 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
222 * combine.c (simplify_comparison): Use have_insn_for.
223 * dojump.c (do_jump): Likewise.
225 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
227 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
228 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
229 sparc_compare_op0 like sparc_compare_emitted used to be handled.
230 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
231 instead of sparc_compare_emitted.
232 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
233 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
234 instead of sparc_compare_emitted.
236 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
238 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
239 enter/exit cfglayout mode.
240 (pass_partition_block): Require it.
241 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
242 (combine_instructions): Track basic blocks instead of labels.
243 (update_cfg_for_uncondjump): New.
244 (try_combine): Use it. Update jumps after rescanning.
245 (pass_combine): Require PROP_cfglayout.
246 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
248 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
250 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
251 Provide/destroy PROP_cfglayout respectively.
252 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
253 * tree-pass.h (PROP_cfglayout): New.
255 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
257 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
258 fold_convert_const_fixed_from_fixed,
259 fold_convert_const_fixed_from_int,
260 fold_convert_const_fixed_from_real, fold_negate_const): Do not
261 set TREE_CONSTANT_OVERFLOW.
262 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
263 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
265 2009-03-30 Ira Rosen <irar@il.ibm.com>
267 * tree-vect-loop-manip.c: New file.
268 * tree-vectorizer.c: Update documentation and included files.
269 (vect_loop_location): Make extern.
270 (rename_use_op): Move to tree-vect-loop-manip.c
271 (rename_variables_in_bb, rename_variables_in_loop,
272 slpeel_update_phis_for_duplicate_loop,
273 slpeel_update_phi_nodes_for_guard1,
274 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
275 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
276 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
277 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
278 find_loop_location): Likewise.
279 (new_stmt_vec_info): Move to tree-vect-stmts.c.
280 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
281 get_vectype_for_scalar_type, vect_is_simple_use,
282 supportable_widening_operation, supportable_narrowing_operation):
284 (bb_in_loop_p): Move to tree-vect-loop.c.
285 (new_loop_vec_info, destroy_loop_vec_info,
286 reduction_code_for_scalar_code, report_vect_op,
287 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
288 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
289 (vect_supportable_dr_alignment): Likewise.
290 * tree-vectorizer.h (tree-data-ref.h): Include.
291 (vect_loop_location): Declare.
292 Reorganize function declarations according to the new file structure.
293 * tree-vect-loop.c: New file.
294 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
295 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
296 * tree-vect-data-refs.c: New file.
297 * tree-vect-patterns.c (timevar.h): Don't include.
298 * tree-vect-stmts.c: New file.
299 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
300 tree-vect-slp.c, tree-vect-loop.c.
301 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
302 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
303 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
304 (tree-vect-analyze.o): Remove.
305 (tree-vect-transform.o): Likewise.
306 (tree-vect-data-refs.o): Add rule.
307 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
308 tree-vect-slp.o): Likewise.
309 (tree-vect-patterns.o): Remove redundant dependencies.
310 (tree-vectorizer.o): Likewise.
311 * tree-vect-slp.c: New file.
313 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
315 * optc-gen.awk: Warn if an option flag has multiple different
318 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
320 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
321 -floop-block): Document dependences on PPL, CLooG and Graphite.
323 2009-03-30 Joseph Myers <joseph@codesourcery.com>
325 PR rtl-optimization/323
326 * c-common.c (c_fully_fold, convert_and_check,
327 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
328 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
329 * c-common.def (EXCESS_PRECISION_EXPR): New.
330 * c-cppbuiltin.c (builtin_define_float_constants): Define
331 constants with enough digits for long double.
332 * c-lex.c (interpret_float): Interpret constant with excess
333 precision where appropriate.
334 * c-opts.c (c_common_post_options): Set
335 flag_excess_precision_cmdline. Give an error for
336 -fexcess-precision=standard for C++ for processors where the
337 option is significant.
338 * c-parser.c (c_parser_conditional_expression): Handle excess
339 precision in condition.
340 * c-typeck.c (convert_arguments): Handle arguments with excess
342 (build_unary_op): Move excess precision outside operation.
343 (build_conditional_expr): Likewise.
344 (build_compound_expr): Likewise.
345 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
346 (build_modify_expr): Handle excess precision in RHS.
347 (convert_for_assignment): Handle excess precision in converted
349 (digest_init, output_init_element, process_init_element): Handle
350 excess precision in initializer.
351 (c_finish_return): Handle excess precision in return value.
352 (build_binary_op): Handle excess precision in operands and add
353 excess precision as needed for operation.
354 * common.opt (-fexcess-precision=): New option.
355 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
356 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
357 For standard excess precision, output explicit conversion to and
358 truncation from XFmode.
359 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
360 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
361 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
362 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
363 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
364 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
365 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
366 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
367 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
368 define_splits, sqrt<mode>2): Disable where appropriate for
369 standard excess precision.
370 * convert.c (convert_to_real): Do not shorten arithmetic to type
371 for which excess precision would be used.
372 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
373 * doc/invoke.texi (-fexcess-precision=): Document option.
374 (-mfpmath=): Correct index entry.
375 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
376 flag_excess_precision): New.
377 * langhooks.c (lhd_post_options): Set
378 flag_excess_precision_cmdline.
379 * opts.c (common_handle_option): Handle -fexcess-precision=.
380 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
381 init_excess_precision): New.
382 (lang_dependent_init_target): Call init_excess_precision.
383 * tree.c (excess_precision_type): New.
384 * tree.h (excess_precision_type): Declare.
386 2009-03-30 Joseph Myers <joseph@codesourcery.com>
389 * c-typeck.c (build_component_ref): Do not copy qualifiers from
390 non-lvalue to component.
392 2009-03-29 Joseph Myers <joseph@codesourcery.com>
394 PR preprocessor/34695
395 * Makefile.in (c-opts.o): Depend on c-tree.h.
396 * c-common.c: Move down include of diagnostic.h.
397 (done_lexing, c_cpp_error): New.
398 * c-common.h (done_lexing): Declare.
399 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
401 * c-opts.c: Include c-tree.h.
402 (c_common_init_options): Set preprocessor error callback.
403 (c_common_handle_option): Do not set preprocessor
404 inhibit_warnings, warnings_are_errors, warn_system_headers,
405 pedantic_errors or inhibit_warnings flags.
406 (c_common_post_options): Do not check cpp_errors (parse_in).
407 (c_common_finish): Do not output dependencies if there were
408 errors. Do not check return value of cpp_finish.
409 * c-ppoutput.c (pp_file_change): Set input_location.
410 * c-tree.h (c_cpp_error): Declare.
411 * diagnostic.c (diagnostic_set_info_translated): Also initialize
413 (diagnostic_build_prefix): Check override_column.
414 * diagnostic.h (diagnostic_info): Add override_column field.
415 (diagnostic_override_column): Define.
417 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
419 * c-common.c (c_expand_expr, c_staticp): Remove.
420 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
421 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
422 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
423 * c-gimplify.c (gimplify_compound_literal_expr,
424 optimize_compound_literals_in_ctor): Remove.
425 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
426 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
427 * c-semantics.c (emit_local_var): Remove.
429 * langhooks-def.h (lhd_expand_expr): Remove.
430 * langhooks.c (lhd_expand_expr): Remove.
431 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
433 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
434 handling from c-semantics.c; don't call into langhook.
435 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
436 * gimplify.c (gimplify_compound_literal_expr,
437 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
438 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
439 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
440 as was done in c-gimplify.c.
441 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
442 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
443 Move from c-common.h.
444 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
446 * tree.c (staticp): Do not call langhook.
447 * langhooks.c (lhd_staticp): Delete.
448 * langhooks-def.h (lhd_staticp): Delete prototype.
449 (LANG_HOOKS_STATICP): Delete.
450 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
452 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
453 instead of DECL_STMTs.
455 2009-03-29 Joseph Myers <joseph@codesourcery.com>
463 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
465 (fold_call_expr): Return a NOP_EXPR from folding rather than the
466 contained expression.
467 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
468 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
469 conditional expressions for C.
470 (decl_constant_value_for_optimization): Move from
471 decl_constant_value_for_broken_optimization in c-typeck.c. Check
472 whether optimizing and that the expression is a VAR_DECL not of
473 array type instead of doing such checks in the caller. Do not
474 check pedantic. Call gcc_unreachable for C++.
475 * c-common.def (C_MAYBE_CONST_EXPR): New.
476 * c-common.h (c_fully_fold, c_save_expr,
477 decl_constant_value_for_optimization): New prototypes.
478 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
479 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
480 EXPR_INT_CONST_OPERANDS): Define.
481 * c-convert.c (convert): Strip nops from expression.
482 * c-decl.c (groktypename): Take extra parameters expr and
483 expr_const_operands. Update call to grokdeclarator.
484 (start_decl): Update call to grokdeclarator. Add statement for
485 expressions used in type of decl.
486 (grokparm): Update call to grokdeclarator.
487 (push_parm_decl): Update call to grokdeclarator.
488 (build_compound_literal): Add parameter non_const and build a
489 C_MAYBE_COSNT_EXPR if applicable.
490 (grokdeclarator): Take extra parameters expr and
491 expr_const_operands. Track expressions used in declaration
492 specifiers and declarators. Fold array sizes and track whether
493 they are constant expressions and whether they are integer
494 constant expressions.
495 (parser_xref_tag): Set expr and expr_const_operands fields in
497 (grokfield): Update call to grokdeclarator.
498 (start_function): Update call to grokdeclarator.
499 (build_null_declspecs): Set expr and expr_const_operands fields in
501 (declspecs_add_type): Handle expressions in typeof specifiers.
502 * c-parser.c (c_parser_declspecs): Set expr and
503 expr_const_operands fields for declaration specifiers.
504 (c_parser_enum_specifier): Likewise.
505 (c_parser_struct_or_union_specifier): Likewise.
506 (c_parser_typeof_specifier): Likewise. Update call to
507 groktypename. Fold expression as needed. Return expressions with
508 type instead of adding statements.
509 (c_parser_attributes): Update calls to c_parser_expr_list.
510 (c_parser_statement_after_labels): Fold expression before passing
511 to objc_build_throw_stmt.
512 (c_parser_condition): Fold expression.
513 (c_parser_asm_operands): Fold expression.
514 (c_parser_conditional_expression): Use c_save_expr. Update call
515 to build_conditional_expr.
516 (c_parser_alignof_expression): Update call to groktypename.
517 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
518 original_code. Fold expression argument of va_arg. Create
519 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
520 argument to va_arg. Update calls to groktypename. Fold array
521 index for offsetof. Verify that first argument to
522 __builtin_choose_expr has integer type.
523 (c_parser_postfix_expression_after_paren_type): Update calls to
524 groktypename and build_compound_literal. Handle expressions with
525 side effects in type name.
526 (c_parser_postfix_expression_after_primary): Update call to
527 c_parser_expr_list. Set original_code for calls to
528 __builtin_constant_p.
529 (c_parser_expr_list): Take extra parameter fold_p. Fold
530 expressions if requested.
531 (c_parser_objc_type_name): Update call to groktypename.
532 (c_parser_objc_synchronized_statement): Fold expression.
533 (c_parser_objc_receiver): Fold expression.
534 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
535 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
536 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
537 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
538 (struct c_typespec): Add elements expr and expr_const_operands.
539 (struct c_declspecs): Add elements expr and expr_const_operands.
540 (groktypename, build_conditional_expr, build_compound_literal):
542 (in_late_binary_op): Declare.
543 * c-typeck.c (note_integer_operands): New function.
544 (in_late_binary_op): New variable.
545 (decl_constant_value_for_broken_optimization): Move to c-common.c
546 and rename to decl_constant_value_for_optimization.
547 (default_function_array_conversion): Do not strip nops.
548 (default_conversion): Do not call
549 decl_constant_value_for_broken_optimization.
550 (build_array_ref): Do not fold result.
551 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
552 result when operand is a VLA.
553 (c_expr_sizeof_type): Update call to groktypename. Handle
554 expressions included in type name. Use C_MAYBE_CONST_EXPR for
555 result when operand names a VLA type.
556 (build_function_call): Update call to build_compound_literal.
557 Only fold result for calls to __builtin_* functions. Strip
558 NOP_EXPR from INTEGER_CST returned from such functions. Fold
559 the function designator.
560 (convert_arguments): Fold arguments. Update call to
561 convert_for_assignment.
562 (build_unary_op): Handle increment and decrement of
563 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
564 decrement earlier. Fold operand of increment and decrement.
565 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
566 built for integer operand. Wrap returns that are INTEGER_CSTs
567 without being integer constant expressions or that have integer
568 constant operands without being INTEGER_CSTs.
569 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
570 (build_conditional_expr): Add operand ifexp_bcp. Track whether
571 result is an integer constant expression or can be used in
572 unevaluated parts of one and avoid folding and wrap as
573 appropriate. Fold operands before possibly doing -Wsign-compare
575 (build_compound_expr): Wrap result for C99 if operands can be used
576 in integer constant expressions.
577 (build_c_cast): Update call to digest_init. Do not ignore
578 overflow from casting floating-point constants to integers. Wrap
579 results that could be confused with integer constant expressions,
580 null pointer constants or floating-point constants.
581 (c_cast_expr): Update call to groktypename. Handle expressions
582 included in type name.
583 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
584 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
585 Update calls to convert_for_assignment.
586 (convert_for_assignment): Take new parameter
587 null_pointer_constant. Do not strip nops or call
588 decl_constant_value_for_broken_optimization. Set
589 in_late_binary_op for conversions to boolean.
590 (store_init_value): Update call to digest_init.
591 (digest_init): Take new parameter null_pointer_constant. Do not
592 call decl_constant_value_for_broken_optimization. pedwarn for
593 initializers not constant expressions. Update calls to
594 convert_for_assignment.
595 (constructor_nonconst): New.
596 (struct constructor_stack): Add nonconst element.
597 (really_start_incremental_init, push_init_level, pop_init_level):
598 Handle constructor_nonconst and nonconst element.
599 (set_init_index): Call constant_expression_warning for array
601 (output_init_element): Fold value. Set constructor_nonconst as
602 applicable. pedwarn for initializers not constant expressions.
603 Update call to digest_init. Call constant_expression_warning
604 where constant initializers are required.
605 (process_init_element): Use c_save_expr.
606 (c_finish_goto_ptr): Fold expression.
607 (c_finish_return): Fold return value. Update call to
608 convert_for_assignment.
609 (c_start_case): Fold switch expression.
610 (c_process_expr_stmt): Fold expression.
611 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
612 ensure statement expression is not evaluated in constant expression.
613 (build_binary_op): Track whether results are integer constant
614 expressions or may occur in such, disable folding and wrap results
615 as applicable. Fold operands for -Wsign-compare warnings unless
617 (c_objc_common_truthvalue_conversion): Handle results folded to
618 integer constants that are not integer constant expressions.
619 * doc/extend.texi: Document when typeof operands are evaluated,
620 that condition of __builtin_choose_expr is an integer constant
621 expression, and more about use of __builtin_constant_p in
624 2009-03-29 Richard Guenther <rguenther@suse.de>
626 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
627 propagate addresses of array references.
629 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
631 * regmove.c (perhaps_ends_bb_p): Remove.
632 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
633 from INSN and check that the main loop stays within that basic block.
634 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
635 (regmove_forward_pass): Split out from regmove_optimize. Use
636 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
637 (regmove_backward_pass): Split out from regmove_optimize. Use
638 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
639 (regmove_optimize): Simplify.
641 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
644 * config/i386/i386.c (classify_argument): Ignore flexible array
645 member in struct and warn ABI change.
647 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
649 * config/i386/i386-protos.h (ix86_agi_dependent): New.
651 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
652 (ix86_adjust_cost): Updated.
654 2009-03-29 Jan Hubicka <jh@suse.cz>
657 * tree-pass.h (pass_cleanup_eh): New function.
658 (remove_unreachable_regions): Break code handling RTL
659 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
660 that can not be reached by runtime.
661 (can_be_reached_by_runtime): New function.
662 (label_to_region_map): New function.
663 (num_eh_regions): New function.
664 (rtl_remove_unreachable_regions): New function.
665 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
666 (remove_eh_region): New function.
667 * except.h: Include sbitmap and vecprim.
668 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
669 num_eh_regions): Declare.
670 * passes.c (init_optimization_passes): Schedule cleanup_eh.
671 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
672 * tree-eh.c (tree_remove_unreachable_handlers): New function.
673 (tree_empty_eh_handler_p): New function.
674 (cleanup_empty_eh): New function.
675 (cleanup_eh): New function.
676 (pass_cleanup_eh): New function.
678 2009-03-29 Jan Hubicka <jh@suse.cz>
680 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
683 2009-03-29 Jan Hubicka <jh@suse.cz>
685 * except.c (dump_eh_tree): Dump all datastructures.
687 2009-03-29 Jan Hubicka <jh@suse.cz>
689 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
690 (duplicate_eh_regions_1): Likewise.
691 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
692 vector; call EH verification.
693 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
694 Be ready for region being removed.
696 2009-03-29 Jan Hubicka <jh@suse.cz>
698 * bitmap.c (bitmap_last_set_bit): New function.
699 * bitmap.h (bitmap_last_set_bit): Declare.
701 2009-03-29 David Ayers <ayers@fsfe.org>
704 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
705 by calling objc_compare_types and surpress warnings about
706 incompatible C pointers that are compatible ObjC pointers.
708 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
710 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
711 call initialize_inline_failed.
712 (initialize_inline_failed): Move it from here ...
713 * cgraph.c (initialize_inline_failed): ... to here.
714 (cgraph_create_edge): Call initialize_inline_failed rather than
715 setting inline_failed directly.
717 2009-03-29 Ben Elliston <bje@au.ibm.com>
720 * sysv4.opt (msdata): Improve comment.
721 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
722 * sysv4.h (SVR4_ASM_SPEC): Likewise.
724 2009-03-29 Ben Elliston <bje@au.ibm.com>
727 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
728 load and store attributes.
730 2009-03-29 Ben Elliston <bje@au.ibm.com>
732 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
733 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
734 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
735 * doc/extend.texi (X86 Built-in Functions): Add index entries for
736 __builtin_infq and __builtin_huge_valq.
738 2009-03-28 Anatoly Sokolov <aesok@post.ru>
740 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
742 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
743 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
745 2009-03-28 Xinliang David Li <davidxl@google.com>
747 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
748 (do_dbg_cnt): New function.
750 2009-03-28 Jan Hubicka <jh@suse.cz>
752 Merge from pretty-ipa:
754 2009-03-27 Jan Hubicka <jh@suse.cz>
756 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
757 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
758 * passes.c (function_called_by_processed_nodes_p): New.
759 * ipa-pure-const.c (check_call): Fix handling of operands.
760 (analyze_function): Dump debug output for skipped bodies.
761 (local_pure_const): Use function_called_by_processed_nodes_p.
762 * dwarf2out.c (reference_to_unused): Use output.
763 * passes.c (do_per_function_toporder): Likewise.
765 2008-11-12 Jan Hubicka <jh@suse.cz>
767 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
768 * ipa-pure-const.c (funct_state_d): Add can throw field; make
769 state_set_in_source enum
770 (check_decl): Ignore memory tags; do not set fake looping flags;
772 (check_operand, check_tree, check_rhs_var, check_lhs_var,
773 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
774 (check_call, analyze_function): Rewrite.
776 (add_new_function): Update call of analyze_function.
777 (generate_summary): Add call of analyze_function.
778 (propagate): Propagate can_throw; handle state_set_in_source correctly.
779 (local_pure_const): New function.
780 (pass_local_pure_const): New pass.
781 * ipa-inline.c (inline_transform): Set after_inlining.
782 * tree-eh.c (stmt_can_throw_external): New.
783 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
784 work with aliasing built.
785 * tree-flow.h (stmt_can_throw_external): New.
786 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
787 and local pure/const pass in early and late optimization queue.
789 2009-03-28 Martin Jambor <mjambor@suse.cz>
791 * fold-const.c (get_pointer_modulus_and_residue): New parameter
793 (fold_binary): Allow function decl aligment consideration is the
794 second argument is integer constant one.
795 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
796 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
797 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
799 2009-03-28 Jan Hubicka <jh@suse.cz>
801 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
802 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
803 * function.h (rtl_data): Add nothrow flag.
804 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
805 set DECL_NOTHROW for AVAILABLE functions.
807 2009-03-28 Jakub Jelinek <jakub@redhat.com>
809 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
810 following vector keyword has expansion starting with pixel or bool
811 keyword, expand vector to __vector and pixel or bool to __pixel or
815 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
816 warn_if_disallowed_function_p): Removed.
817 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
818 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
819 warning_if_disallowed_function_p.
820 * flags.h (warn_if_disallowed_function_p,
821 warn_disallowed_functions): Removed.
822 * common.opt (Wdisallowed-function-list=): Removed.
823 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
825 2009-03-28 Richard Guenther <rguenther@suse.de>
827 PR tree-optimization/38723
828 * tree-ssa-pre.c (compute_avail): Add all default definitions to
831 2009-03-28 Jan Hubicka <jh@suse.cz>
833 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
834 test introduced by my previous patch.
836 2009-03-28 Richard Guenther <rguenther@suse.de>
838 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
839 the PHIs value undefined.
841 2009-03-28 Jan Hubicka <jh@suse.cz>
843 * tree-pass.h (pass_fixup_cfg): New pass.
844 * ipa-inline.c (inline_transform): Set
845 always_inline_functions_inlined/after_inlining.
846 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
847 (pass_fixup_cfg): New pass.
848 * passes.c (init_optimization_passes): Add fixup_cfg.
850 2009-03-28 Richard Guenther <rguenther@suse.de>
852 PR tree-optimization/38458
853 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
854 argument use the arguments copy-of value.
856 2009-03-28 Richard Guenther <rguenther@suse.de>
858 PR tree-optimization/38180
859 * tree-ssa-ccp.c (get_default_value): Simplify.
860 (likely_value): Likewise.
861 (surely_varying_stmt_p): Properly handle VOP case.
862 (ccp_initialize): Likewise.
863 (ccp_fold): Handle propagating through *&.
864 (fold_const_aggregate_ref): Also handle decls.
866 2009-03-28 Jan Hubicka <jh@suse.cz>
868 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
869 * cgraph.h (cgraph_node): Likewise.
870 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
871 (cgraph_reset_node): Use process flag.
872 (cgraph_mark_functions_to_output): Likewise.
873 (cgraph_expand_function): Likewise.
874 (cgraph_expand_all_functions): Likewise.
875 (cgraph_output_in_order): Likewise.
876 * dwarf2out.c (reference_to_unused): Likewise.
877 * passes.c do_per_function_toporder): Likewise.
879 2009-03-28 Jan Hubicka <jh@suse.cz>
881 Bring from lto-branch:
883 2008-09-03 Doug Kwan <dougkwan@google.com>
885 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
886 enums instead of reason strings.
887 * cgraph.c (cgraph_create_edge): Same.
888 (cgraph_inline_failed_string): New function.
889 * cgraph.h (cgraph_inline_failed_t): New enum type.
890 (cgraph_inline_failed_string): New prototype.
891 (struct cgraph_edge): Change type of INLINED_FAILED from constant
892 char pointer to cgraph_inline_failed_t.
893 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
894 (cgraph_default_inline_p): Ditto.
895 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
896 to cgraph_inline_failed_t pointer.
897 * cif-code.def: New file.
898 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
900 (cgraph_check_inline_limits): Change type of REASON to pointer to
901 cgraph_inline_failed_t. Replace reason strings with enums.
902 (cgraph_default_inline_p): Ditto.
903 (cgraph_recursive_inlining_p): Ditto.
904 (update_caller_keys): Change type of FAILED_REASON to
905 cgraph_inline_failed_t.
906 (cgraph_set_inline_failed): Change type of REASON to pointer to
907 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
908 convert enums to strings for text output.
909 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
910 to be of type cgraph_inline_failed_t. Replace reason strings with
911 enums. Call cgraph_inline_failed_string to covert enums
912 to strings for text output.
913 (cgraph_decide_inlining): Replace reason strings with enums.
914 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
915 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
917 * tree-inline.c (expand_call_inline): Change type of REASON
918 to cgraph_inline_failed_t. Replace reason strings with enums.
919 Call cgraph_inline_failed_string for text output.
920 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
923 2009-03-28 Jan Hubicka <jh@suse.cz>
925 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
926 cgraph_clone_node): Remove master clone handling.
927 (cgraph_is_master_clone, cgraph_master_clone): Remove.
928 * cgraph.h (master_clone): Remove.
929 (cgraph_is_master_clone, cgraph_master_clone): Remove.
930 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
931 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
933 2009-03-28 Jan Hubicka <jh@suse.cz>
935 * cgraph.c (cgraph_function_body_availability): Functions declared
936 inline are always safe to assume that it is not going to be replaced.
938 2009-03-28 Richard Guenther <rguenther@suse.de>
940 PR tree-optimization/38513
941 * tree-ssa-pre.c (eliminate): Remove redundant stores.
942 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
943 EXC_PTR_EXPR and FILTER_EXPR.
944 (get_ref_from_reference_ops): Likewise.
946 2009-03-28 Richard Guenther <rguenther@suse.de>
948 PR tree-optimization/38968
949 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
950 Use FLOOR_MOD_EXPR to compute misalignment.
952 2009-03-28 Richard Guenther <rguenther@suse.de>
954 PR tree-optimization/37795
955 * tree.h (combine_comparisons): Declare.
956 * fold-const.c (combine_comparisons): Export.
957 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
959 (ifcombine_iforif): Use combine_comparisons.
961 2009-03-28 Jan Hubicka <jh@suse.cz>
963 * tree-eh.c (inlinable_call_p): New function.
964 (make_eh_edges): Use it.
965 (verify_eh_edges): Use it.
966 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
967 * except.c (reachable_next_level): Add inlinable_function argument
968 (sjlj_find_directly_reachable_regions): Update.
969 (add_reachable_handler): Do not set saw_any_handlers.
970 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
971 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
972 Add new inlinable call parameter.
973 (can_throw_internal, can_throw_external): Update.
974 * except.h (can_throw_internal_1, can_throw_external_1,
975 foreach_reachable_handler): Update declaration.
977 2009-03-28 Joseph Myers <joseph@codesourcery.com>
979 * config/arm/t-arm-coff, config/h8300/coff.h,
980 config/i386/i386-aout.h, config/i386/i386-coff.h,
981 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
982 config/pdp11/2bsd.h, config/rs6000/aix41.h,
983 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
984 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
985 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
987 * Makefile.in: Remove protoize and fixproto support and references
989 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
990 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
992 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
993 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
995 (rest.encap): Don't depend on $(STMP_FIXPROTO)
996 (.PHONY): Don't depend on proto.
997 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
998 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
999 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
1000 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
1001 build/gen-protos.o, build/scan.o, xsys-protos.h,
1002 build/fix-header$(build_exeext), build/fix-header.o,
1003 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
1004 stmp-install-fixproto): Remove.
1005 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
1006 SYSCALLS.c or fixproto files.
1007 (install-common): Don't install protoize.
1008 (install-headers-tar, install-headers-cpio, install-headers-cp):
1009 Don't depend on $(STMP_FIXPROTO).
1010 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
1011 install fixproto files or write out fixproto settings.
1012 (uninstall): Don't uninstall protoize.
1013 * config.gcc (use_fixproto): Remove.
1014 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
1015 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
1016 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
1017 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
1018 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
1019 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
1020 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
1021 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
1022 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
1023 * config/t-vxworks (STMP_FIXPROTO): Remove.
1024 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
1025 STMP_FIXPROTO): Remove.
1026 * config.in, configure: Regenerate.
1027 * crtstuff.c (gid_t, uid_t): Don't undefine.
1028 * doc/install.texi: Change m68k-coff to m68k-elf in example.
1029 (arm-*-coff, arm-*-aout: Remove target entries.
1030 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
1031 Remove mention of AIX 4.1.
1032 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
1033 * doc/invoke.texi (Running Protoize): Remove.
1034 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
1035 (Protoize Caveats): Remove.
1036 * tsystem.h: Update comments on headers assumed to exist.
1038 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
1040 * genautomata.c: Add a new year to the copyright. Add a new
1042 (struct insn_reserv_decl): Add comments for member bypass_list.
1043 (find_bypass): Remove.
1044 (insert_bypass): New.
1045 (process_decls): Use insert_bypass.
1046 (output_internal_insn_latency_func): Output all bypasses with the
1047 same input insn in one switch case.
1049 * rtl.def (define_bypass): Describe bypass choice.
1050 * doc/md.texi (define_bypass): Ditto.
1052 2009-03-27 Richard Guenther <rguenther@suse.de>
1054 * gimplify.c (mark_addressable): Export.
1055 * tree-flow.h (mark_addressable): Declare.
1056 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
1057 * tree-ssa.c (verify_phi_args): Verify that address taken
1058 variables have TREE_ADDRESSABLE set.
1060 2009-03-27 Richard Guenther <rguenther@suse.de>
1062 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
1063 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
1064 Do not mark decls TREE_ADDRESSABLE.
1065 (build_fold_addr_expr): Adjust.
1066 (fold_addr_expr): Remove.
1067 (fold_unary): Use build_fold_addr_expr.
1068 (fold_comparison): Likewise.
1069 (split_address_to_core_and_offset): Likewise.
1070 * coverage.c (tree_coverage_counter_addr): Mark the array decl
1072 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
1073 (gimplify_modify_expr_to_memcpy): Mark source and destination
1075 * omp-low.c (create_omp_child_function): Mark the object decl
1077 (lower_rec_input_clauses): Mark the var we take the address of
1079 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
1081 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1084 * cfgexpand.c (expand_one_stack_var_at): Change alignment
1085 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
1087 2009-03-27 Richard Guenther <rguenther@suse.de>
1089 PR tree-optimization/39120
1090 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
1092 (handle_lhs_call): Process return constraints. Add escape
1093 constraints if necessary.
1094 (handle_const_call): Fill out return constraints. Make nested
1095 case more precise. Avoid consttmp if possible.
1096 (handle_pure_call): Fill out return constraints. Avoid
1097 callused if possible.
1098 (find_func_aliases): Simplify call handling.
1100 2009-03-27 Richard Guenther <rguenther@suse.de>
1102 PR tree-optimization/39120
1103 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
1104 as a representative.
1105 (solve_graph): Do propagate CALLUSED.
1106 (handle_pure_call): Use a scalar constraint from CALLUSED for
1108 (find_what_p_points_to): CALLUSED shall not appear in poins-to
1111 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1114 * c-common.c (handle_aligned_attribute): Properly check alignment
1115 overflow. Use (1U << i) instead of (1 << i).
1117 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
1119 * expr.h (get_mem_align_offset): Updated.
1121 * tree.h (tree_decl_common): Change align to "unsigned int" and
1122 move it before pointer_alias_set.
1124 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1125 Jakub Jelinek <jakub@redhat.com>
1128 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
1129 gr_register_operand with gr_reg_or_0_operand.
1130 (cmpxchg_rel_di): Likewise.
1131 (sync_lock_test_and_set<mode>): Likewise.
1133 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1135 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
1136 (true_regnum): Likewise.
1138 * rtlanal.c (subreg_info): Moved to ...
1139 * rtl.h (subreg_info): Here. New.
1140 (subreg_get_info): New.
1142 * rtlanal.c (subreg_get_info): Make it extern.
1144 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1147 * config/i386/i386.c (ix86_abi): New.
1148 (override_options): Handle -mabi=.
1149 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
1150 (ix86_call_abi_override): Likewise.
1151 (init_cumulative_args): Likewise.
1152 (function_arg_advance): Likewise.
1153 (function_arg_64): Likewise.
1154 (function_arg): Likewise.
1155 (ix86_pass_by_reference): Likewise.
1156 (ix86_function_value_regno_p): Likewise.
1157 (ix86_build_builtin_va_list_abi): Likewise.
1158 (setup_incoming_varargs_64): Likewise.
1159 (is_va_list_char_pointer): Likewise.
1160 (ix86_init_machine_status): Likewise.
1161 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
1162 (ix86_function_type_abi): Return enum calling_abi. Rewrite
1163 for 64bit. Replace DEFAULT_ABI with ix86_abi.
1164 (ix86_function_abi): Make it static and return enum calling_abi.
1165 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
1167 (ix86_fn_abi_va_list): Updated.
1169 * config/i386/i386.h (ix86_abi): New.
1170 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
1171 (CONDITIONAL_REGISTER_USAGE): Likewise.
1172 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
1173 (machine_function): Likewise.
1175 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
1177 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
1178 (STACK_BOUNDARY): Likewise.
1179 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
1181 * config/i386/i386.opt (mabi=): New.
1183 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
1184 return enum calling_abi.
1185 (ix86_function_type_abi): Likewise.
1186 (ix86_function_abi): Removed.
1188 * doc/invoke.texi: Document -mabi= option for x86.
1190 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1192 * builtins.c (real_dconstp): Delete.
1193 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
1195 2009-03-27 Dodji Seketeli <dodji@redhat.com>
1196 Jakub Jelinek <jakub@redhat.com>
1199 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
1200 (gen_subprogram_die): When a function is explicit, generate the
1201 DW_AT_explicit attribute.
1202 * langhooks.h (struct lang_hooks_for_decls): Add
1203 function_decl_explicit_p langhook.
1204 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
1205 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
1207 2009-03-27 Jakub Jelinek <jakub@redhat.com>
1209 * builtins.c (fold_builtin_memory_op): Optimize memmove
1210 into memcpy if we can prove source and destination don't overlap.
1212 * tree-inline.c: Include gt-tree-inline.h.
1213 (clone_fn_id_num): New variable.
1214 (clone_function_name): New function.
1215 (tree_function_versioning): Use it.
1216 * Makefile.in (GTFILES): Add tree-inline.c.
1218 2009-03-27 Mark Mitchell <mark@codesourcery.com>
1220 * BASE-VER: Change to 4.5.0.
1222 2009-03-27 Xinliang David Li <davidxl@google.com>
1224 PR tree-optimization/39557
1225 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
1227 2009-03-27 Xinliang David Li <davidxl@google.com>
1229 PR tree-optimization/39548
1230 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
1233 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1235 * c-common.c (pointer_int_sum): Use %wd on return from
1238 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1240 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
1241 on return from tree_low_cst.
1243 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
1246 * ginclude/stdarg.h (va_copy): Define also for
1247 __GXX_EXPERIMENTAL_CXX0X__.
1249 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1252 * builtins.h (c_strlen): Do not warn here.
1253 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
1254 * c-common.c (pointer_int_sum): Take an explicit location.
1255 Warn about offsets out of bounds.
1256 * c-common.h (pointer_int_sum): Adjust declaration.
1258 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1260 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
1263 2009-03-26 Jakub Jelinek <jakub@redhat.com>
1266 * opts.c (warn_if_disallowed_function_p): Don't assume
1267 get_callee_fndecl must return non-NULL.
1269 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
1271 PR rtl-optimization/39522
1272 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
1273 when reg_reloaded_valid is set.
1275 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1277 * config/spu/divv2df3.c: New file.
1278 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
1279 (DPBIT_FUNCS): Filter out _div_df.
1281 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
1283 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
1284 a jump insn, count that jump in the distance to the loop start.
1286 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
1289 * config/sh/sh.c (calc_live_regs): Fix condition for global
1290 registers except PIC_OFFSET_TABLE_REGNUM.
1292 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
1295 * doc/invoke.texi (-mconsole): New.
1299 (-mnop-fun-dllimport): New.
1303 (sub section "i386 and x86-64 Windows Options"): New.
1305 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
1307 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
1308 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
1310 2009-03-25 Richard Guenther <rguenther@suse.de>
1313 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
1316 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
1318 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
1319 neither of haifa/selective schedulers are working.
1321 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1323 * doc/invoke.texi (Debugging Options): Fix description of
1324 -fno-merge-debug-strings.
1326 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
1328 * config/cris/libgcc.ver: New version-script.
1329 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
1331 * configure.ac <GAS features, nop mnemonic>: Add pattern
1332 crisv32-*-* for "nop".
1333 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
1334 * configure: Regenerate.
1336 2009-03-24 Ira Rosen <irar@il.ibm.com>
1338 PR tree-optimization/39529
1339 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
1340 mark_sym_for_renaming for the tag copied to the new vector
1343 2009-03-24 Arthur Loiret <aloiret@debian.org>
1345 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
1346 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
1347 EXTRA_SPEC_FUNCTIONS.
1348 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
1349 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
1350 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
1351 -march and -mtune options.
1353 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
1355 * config/m68k/t-rtems: Add m5329 multilib.
1357 2009-03-24 Dodji Seketeli <dodji@redhat.com>
1358 Jakub Jelinek <jakub@redhat.com>
1361 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
1364 2009-03-23 Jakub Jelinek <jakub@redhat.com>
1367 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
1368 instead of c_parser_expression_conv, if original_code isn't one of the
1369 4 allowed comparison codes, fail.
1371 2009-03-23 Richard Guenther <rguenther@suse.de>
1373 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
1374 * tree.h (struct tree_type): Likewise.
1375 * reload.h (struct insn_chain): Likewise.
1376 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
1377 * function.h (struct function): Likewise.
1378 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
1380 2009-03-23 Jakub Jelinek <jakub@redhat.com>
1382 PR tree-optimization/39516
1383 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
1385 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
1387 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
1388 should be set true if BITS_PER_WORD of target is bigger than 32
1390 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
1392 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
1393 Translate -B-options to -rpath-link. Correct existing
1394 rpath-link and conditionalize on !nostdlib.
1396 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1398 * doc/extend.texi (Function Attributes, Variable Attributes):
1400 * doc/invoke.texi (Debugging Options, Optimize Options)
1401 (i386 and x86-64 Options, MCore Options): Likewise.
1403 2009-03-20 Jakub Jelinek <jakub@redhat.com>
1406 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
1407 it for block local namespace aliases.
1408 (gen_decl_die): Pass context_die to gen_namespace_die.
1410 2009-03-19 Jakub Jelinek <jakub@redhat.com>
1413 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
1414 minimum or maximum value.
1416 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
1418 * reginfo.c (globalize_reg): Recompute derived reg sets.
1420 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
1423 * libgcc2.c (mprotect): Do not use signed arguments for
1424 VirtualProtect, use DWORD arguments. Also fix the 'may
1425 be used uninitialized' warning for the np variable.
1427 2009-03-19 Jakub Jelinek <jakub@redhat.com>
1430 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
1431 functions using regparm calling conventions when not optimizing.
1432 (ix86_function_sseregparm): Similarly for sseregparm calling
1435 2009-03-19 Li Feng <nemokingdom@gmail.com>
1438 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
1439 dependence if the first conflict is after niter iterations.
1441 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
1444 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
1445 functions with dynamic stack-pointer adjustments.
1447 2009-03-19 Ben Elliston <bje@au.ibm.com>
1449 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
1450 option; change to -msdata=data.
1452 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1454 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
1457 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
1460 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
1462 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
1464 * doc/invoke.texi (Code Gen Options): Expand discussion of
1467 2009-03-18 Jakub Jelinek <jakub@redhat.com>
1469 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
1470 * matrix-reorg.c (struct matrix_info): Likewise.
1471 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
1472 * rtl.h (struct mem_attrs): Likewise.
1473 * df.h (struct df): Likewise.
1474 * tree-data-ref.h (struct data_dependence_relation): Likewise.
1475 * ira-int.h (struct ira_allocno): Likewise.
1476 * df-scan.c (struct df_collection_rec): Likewise.
1477 * ira.c (struct equivalence): Likewise.
1478 * function.c (struct temp_slot): Likewise.
1479 * cfgloop.h (struct loop): Likewise.
1482 * function.c (use_register_for_decl): When not optimizing, disregard
1483 register keyword for variables with types containing methods.
1485 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
1488 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
1489 (is_simple_operand): Call contains_component_ref_p before calling data
1490 reference analysis that would fail on COMPONENT_REFs.
1492 * tree-vrp.c (search_for_addr_array): Fix formatting.
1494 2009-03-18 Richard Guenther <rguenther@suse.de>
1496 * tree-vect-transform.c (vect_loop_versioning): Fold the
1497 generated comparisons.
1498 * tree-vectorizer.c (set_prologue_iterations): Likewise.
1499 (slpeel_tree_peel_loop_to_edge): Likewise.
1501 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1504 * opts.c (print_specific_help): In addition to `undocumented',
1505 accept `separate' and `joined' flags if passed alone. Describe
1506 output by the first matched one of those.
1507 (common_handle_option): Skip over empty strings.
1508 * gcc.c (display_help): Fix help string for `--help='.
1509 * doc/invoke.texi (Option Summary, Overall Options): With
1510 `--help=', classes and qualifiers can both be repeated, but
1511 only the latter can be negated. One should not pass only
1512 negated qualifiers. Fix markup and examples.
1515 2008-10-14 Jakub Jelinek <jakub@redhat.com>
1517 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
1518 and -fhelp=separate.
1520 2009-03-17 Jing Yu <jingyu@google.com>
1523 * function.h (struct rtl_data): Move is_thunk from here...
1524 (struct function): ...to here.
1525 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
1526 * varasm.c (assemble_start_function): Change is_thunk from crtl to
1528 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
1530 (alpha_does_function_need_gp, alpha_start_function): Likewise.
1531 (alpha_output_function_end_prologue): Likewise.
1532 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
1533 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
1534 (rs6000_output_function_epilogue): Likewise.
1535 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
1537 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
1540 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
1541 from different units in a single alternative.
1542 (*truncdfsf_i387): Ditto.
1543 (*truncxfsf2_mixed): Ditto.
1544 (*truncxfdf2_mixed): Ditto.
1546 2009-03-17 Jakub Jelinek <jakub@redhat.com>
1548 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
1549 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
1552 * tree-ssa-live.c (remove_unused_locals): Don't remove local
1553 unused non-artificial variables when not optimizing.
1556 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
1557 DW_TAG_imported_module even if decl is IMPORTED_DECL with
1558 NAMESPACE_DECL in its DECL_INITIAL.
1561 * optabs.c (set_user_assembler_libfunc): New function.
1562 * expr.h (set_user_assembler_libfunc): New prototype.
1563 * c-common.c: Include libfuncs.h.
1564 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
1565 for memcmp, memset, memcpy, memmove and abort.
1566 * Makefile.in (c-common.o): Depend on libfuncs.h.
1569 * dwarf2out.c (gen_inlined_enumeration_type_die,
1570 gen_inlined_structure_type_die, gen_inlined_union_type_die,
1571 gen_tagged_type_instantiation_die): Removed.
1572 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
1575 2009-03-17 Janis Johnson <janis187@us.ibm.com>
1578 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
1580 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
1581 (check-parallel-%): Ditto.
1582 (check-consistency): Ditto.
1584 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
1586 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
1587 local variable rhs by NULL_TREE.
1589 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1592 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
1594 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1597 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
1599 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1602 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
1603 for ms->sysv ABI calls only in 64bit mode.
1605 * config/i386/i386.md (untyped_call): Support 32bit.
1607 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
1609 * doc/extend.texi: Replace x86_65 with x86_64.
1611 2009-03-16 Jakub Jelinek <jakub@redhat.com>
1613 PR tree-optimization/39455
1614 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
1615 mismatches for POINTER_TYPE_P (type).
1616 (number_of_iterations_le): Likewise.
1618 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1620 * config/picochip/picochip.c: Removed profiling support.
1621 * config/picochip/picochip.md: Removed profiling instruction.
1622 * config/picochip/picochip.h: Removed profiling builtin.
1624 2009-03-16 Joseph Myers <joseph@codesourcery.com>
1626 * doc/install.texi (--with-host-libstdcxx): Document.
1628 2009-03-14 Anatoly Sokolov <aesok@post.ru>
1631 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
1632 generate a warning if the function name does not begin with
1633 "__vector" and the function has either the 'signal' or 'interrupt'
1634 attribute, from here to ...
1635 (avr_declare_function_name): ...here. New function.
1636 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
1637 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
1639 2009-03-14 Jakub Jelinek <jakub@redhat.com>
1642 * cse.c (fold_rtx): Don't modify original const_arg1 when
1643 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
1644 separate variable instead.
1645 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
1646 from out of range shift counts.
1647 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
1649 2008-03-13 Catherine Moore <clm@codesourcery.com>
1651 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
1652 diagnostic.h with $(DIAGNOSTIC_H).
1654 2008-03-12 Jakub Jelinek <jakub@redhat.com>
1657 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
1659 * config/i386/sync.md (sync_compare_and_swap<mode>,
1660 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
1661 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
1663 (sync_double_compare_and_swapdi_pic,
1664 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
1665 cmpxchg8b_pic_memory_operand instead of just memory_operand.
1667 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1670 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
1672 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1675 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
1676 (avx_addsubv4df3): Likewise.
1677 (*avx_addsubv4sf3): Likewise.
1678 (sse3_addsubv4sf3): Likewise.
1680 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1683 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
1685 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
1688 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
1689 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
1690 registers for allocnos created from user-defined variables.
1692 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1695 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
1696 of non-integer mode as well.
1698 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
1700 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
1701 for functions for which the parameter types are unknown.
1703 2009-03-11 Jakub Jelinek <jakub@redhat.com>
1706 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
1707 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
1708 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
1709 * config/i386/i386.c (ix86_local_alignment): For
1710 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
1711 long long variables on the stack to avoid dynamic realignment.
1712 Allow the first argument to be a decl rather than type.
1713 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
1715 2009-03-11 Nick Clifton <nickc@redhat.com>
1718 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
1720 Add description to mno-lsim option.
1721 * config/mcore/mcore.h: Remove comment about deprecated m4align
1723 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
1724 * doc/invoke.texi: Add description of mno-lsim and
1725 mstack-increment options.
1727 * config/fr30/fr30.opt: Document the -mno-lsim option.
1728 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
1729 and -mno-lsim options.
1731 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1733 * fold-const.c (fold_comparison): Only call fold_inf_compare
1734 if the mode supports infinities.
1736 2009-03-11 Jason Merrill <jason@redhat.com>
1739 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
1740 end already did. Notice GIMPLE_CALL modifications of the result.
1741 Don't copy debug information from an ignored decl or a decl from
1744 2009-03-10 Richard Guenther <rguenther@suse.de>
1745 Nathan Froyd <froydnj@codesourcery.com>
1748 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
1749 (__divMODE3): Likewise.
1751 2009-03-09 Jakub Jelinek <jakub@redhat.com>
1753 PR tree-optimization/39394
1754 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
1755 DECL_SIZE_UNIT of variable length FIELD_DECLs.
1757 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1759 * recog.c (verfiy_changes): Disallow renaming of hard regs in
1760 inline asms for register asm ("") declarations.
1762 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
1764 * fold-const.c (fold_unary): Fix comment.
1766 2009-03-07 Jan Hubicka <jh@suse.cz>
1769 * tree-inline.c (setup_one_parameter): Do replacement of const
1770 argument by constant in SSA form.
1772 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1775 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
1776 determine alignment passed to assign_stack_local.
1777 (assign_parms_unsplit_complex): Likewise.
1778 * except.c (sjlj_build_landing_pads): Likewise.
1780 2009-03-06 Jakub Jelinek <jakub@redhat.com>
1783 * tree-flow.h (add_referenced_var): Return bool instead of void.
1784 * tree-dfa.c (add_referenced_var): Return result of
1785 referenced_var_check_and_insert call.
1786 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
1787 of referenced_var_check_and_insert.
1790 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
1791 (gen_variable_die): Emit DW_AT_location on abstract static variable's
1792 DIE, don't emit it if abstract origin already has it.
1793 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
1794 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
1796 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1798 * genpreds.c (needs_variable): Fix parentheses at variable name
1800 (write_tm_constrs_h): Indent generated code.
1802 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1804 * doc/extend.texi (Function Attributes): Add documentation
1807 2009-03-06 Jakub Jelinek <jakub@redhat.com>
1810 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
1811 take locus from its DECL_SOURCE_LOCATION instead of input_location.
1813 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
1815 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
1818 2009-03-05 Jakub Jelinek <jakub@redhat.com>
1821 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
1822 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
1824 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
1826 * config/i386/i386.md (R8_REG, R9_REG): New constants.
1827 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
1828 constants instead of magic numbers.
1829 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
1831 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
1832 (x86_64_ms_abi_int_parameter_registers): Ditto.
1833 (x86_64_int_return_registers): Ditto.
1834 (ix86_maybe_switch_abi): Ditto.
1835 (ix86_expand_call): Ditto for clobbered_registers array.
1836 (ix86_hard_regno_mode_ok): Ditto.
1837 (x86_extended_QIreg_mentioned_p): Ditto.
1839 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
1841 PR tree-optimization/39349
1842 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
1844 * combine.c (gen_lowpart_for_combine): Use omode when generating
1847 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
1849 PR rtl-optimization/39235
1850 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
1852 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
1854 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
1856 2009-03-04 Richard Guenther <rguenther@suse.de>
1858 PR tree-optimization/39362
1859 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
1860 that occur in abnormal PHIs should be varying.
1862 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
1864 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
1866 (simple_iv): Take loop as an argument instead of statement.
1867 * tree-scalar-evolution.h (simple_iv): Declaration changed.
1868 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
1870 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
1872 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
1873 * matrix-reorg.c (analyze_transpose): Ditto.
1874 * tree-data-ref.c (dr_analyze_innermost): Ditto.
1875 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
1876 * tree-predcom.c (ref_at_iteration): Ditto.
1877 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
1879 2009-03-04 Richard Guenther <rguenther@suse.de>
1881 PR tree-optimization/39358
1882 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
1883 escaped_id and callused_id.
1884 (solve_graph): Likewise.
1886 2009-03-04 Richard Guenther <rguenther@suse.de>
1888 PR tree-optimization/39339
1889 * tree-sra.c (try_instantiate_multiple_fields): Make it
1890 no longer ICE on the above.
1892 2009-03-03 Joseph Myers <joseph@codesourcery.com>
1894 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
1895 that fits within Pmode.
1897 2009-03-03 Steve Ellcey <sje@cup.hp.com>
1900 * tm.texi (LIBCALL_VALUE): Update description.
1902 2009-03-03 Steve Ellcey <sje@cup.hp.com>
1905 * doc/extend.texi (section): Update description.
1907 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
1910 * tree-inline.c (remapped_type): New.
1911 (can_be_nonlocal): Call remapped_type instead of remap_type.
1913 2009-03-03 Jakub Jelinek <jakub@redhat.com>
1916 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
1917 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
1919 2009-03-03 Richard Guenther <rguenther@suse.de>
1922 * tree.c (tree_nonartificial_location): New function.
1923 * tree.h (tree_nonartificial_location): Declare.
1924 * builtins.c (expand_builtin_memory_chk): Provide location
1925 of the call location for artificial function pieces.
1926 (maybe_emit_chk_warning): Likewise.
1927 (maybe_emit_sprintf_chk_warning): Likewise.
1928 (maybe_emit_free_warning): Likewise.
1929 * expr.c (expand_expr_real_1): Likewise.
1931 2009-03-03 Jakub Jelinek <jakub@redhat.com>
1933 PR tree-optimization/39343
1934 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
1935 COMPONENT_REF t has ARRAY_TYPE.
1937 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
1940 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
1941 when the type precision of the induction variable should be
1942 larger than the type precision of nit.
1943 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
1944 * graphite.c (graphite_loop_normal_form): Same.
1945 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
1947 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
1949 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
1950 (*call_1_rex64_ms_sysv): Use named constants instead of magic
1951 numbers to describe clobbered registers.
1952 (*call_value_0_rex64_ms_sysv): Ditto.
1953 * config/i386/mmx.md (mmx_emms): Ditto.
1956 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
1958 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
1961 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1963 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
1964 (spu_section_type_flags): New function.
1966 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
1968 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
1969 reg_class_contents of FLOAT_REGS into a temporary.
1971 2009-03-02 Richard Guenther <rguenther@suse.de>
1972 Ira Rosen <irar@il.ibm.com>
1974 PR tree-optimization/39318
1975 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
1976 information to the vectorized statement.
1978 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
1980 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
1981 variable. Use defined names instead of magic constants for REX SSE
1984 2009-03-01 Richard Guenther <rguenther@suse.de>
1986 PR tree-optimization/39331
1987 * omp-low.c (lower_send_shared_vars): Do not receive new
1988 values for the reference of DECL_BY_REFERENCE parms or results.
1990 2009-03-01 Jan Hubicka <jh@suse.cz>
1993 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
1994 BLOCK_NONLOCALIZED_VAR): New macros.
1995 (tree_block): Add nonlocalized_vars.
1996 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
1997 gen_decl_die): Add origin argument. Allow generation of die with
1998 origin at hand only.
1999 (gen_member_die, gen_type_die_with_usage, force_decl_die,
2000 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
2002 (gen_block_die): Fix checking for unused blocks.
2003 (process_scope_var): Break out from .... ; work with origins only.
2004 (decls_for_scope) ... here; process nonlocalized list.
2005 (dwarf2out_ignore_block): Look for nonlocalized vars.
2006 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
2008 (dump_scope_block): Dump them.
2009 * tree-inline.c (remap_decls): Handle nonlocalized vars.
2010 (remap_block): Likewise.
2011 (can_be_nonlocal): New predicate.
2012 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
2014 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2016 * configure: Regenerate.
2018 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2020 * optc-gen.awk: No need to duplicate option flags twice.
2021 Reuse help texts for duplicate options which do not have any.
2023 * gcc.c (display_help): Document --version.
2025 * gcc.c (main): If print_help_list and verbose_flag, ensure
2026 driver output comes before subprocess output.
2028 * optc-gen.awk: Assign all remaining fields to help string,
2029 space-separated, for multi-line help in *.opt.
2031 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
2032 -Wno-pedantic-ms-format is for MinGW targets only.
2034 * doc/options.texi (Option file format): Fix bad indentation,
2035 restoring dropped sentence.
2037 2009-02-28 Jan Hubicka <jh@suse.cz>
2039 * tree-inline.c (tree_function_versioning): Output debug info.
2041 2009-02-28 Jan Hubicka <jh@suse.cz>
2044 * tree-inline.c (setup_one_parameter): Do not copy propagate
2045 arguments when not optimizing.
2047 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
2050 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
2051 (avx_addsubv4df3): Likewise.
2052 (*avx_addsubv4sf3): Likewise.
2053 (sse3_addsubv4sf3): Likewise.
2054 (*avx_addsubv2df3): Likewise.
2055 (sse3_addsubv2df3): Likewise.
2056 (avx_unpckhps256): Correct item selectors.
2057 (avx_unpcklps256): Likewise.
2058 (avx_unpckhpd256): Likewise.
2059 (avx_unpcklpd256): Likewise.
2061 2009-02-28 Jan Hubicka <jh@suse.cz>
2063 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
2065 (copy_arguments_for_versioning): If var is declared don't declare it.
2066 (tree_function_versioning): First setup substitutions and then copy
2069 2009-02-27 Jan Hubicka <jh@suse.cz>
2072 * cgraph.h (varpool_output_debug_info): Remove.
2073 * cgraphunit.c (varpool_output_debug_info): Remove.
2074 * dwarf2out.c (deferred_locations_struct): New struct
2075 (deferred_locations): New type.
2076 (deferred_locations_list): New static var.
2077 (deffer_location): New function.
2078 (gen_variable_die): Use it.
2079 (decls_for_scope): Output info on local static vars.
2080 (dwarf2out_finish): Process deferred locations.
2081 * varpool.c (varpool_output_debug_info): Remove.
2083 2009-02-27 Jan Hubicka <jh@suse.cz>
2086 * tree.h (TREE_PROTECTED): Fix comment.
2087 (BLOCK_HANDLER_BLOCK): Remove.
2088 (struct tree_block): Remove handler_block add body_block.
2089 (inlined_function_outer_scope_p): New.
2090 (is_body_block): Remove.
2091 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
2092 * dwarf2out.c (is_inlined_entry_point): Remove.
2093 (add_high_low_attributes): Use inlined_function_outer_scope_p.
2094 (gen_block_die): Use is_inlined_entry_point check. Remove body block
2096 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
2097 * gimplify.c (gimplify_expr): Gimplify body blocks.
2098 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
2099 block with multiple subblocks.
2100 (dump_scope_block): Prettier output; dump more flags and info.
2101 (dump_scope_blocks): New.
2102 (remove_unused_locals): Use dump_scope_blocks.
2103 * tree-flow.h (dump_scope_blocks): Declare.
2104 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
2105 * stmt.c (is_body_block): Remove.
2106 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
2107 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
2109 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
2112 * graphite.c (graphite_loop_normal_form): Do not call
2113 number_of_iterations_exit from a gcc_assert.
2115 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2117 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
2118 jumps if COND is NULL.
2119 (find_cond_jump): New function.
2120 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
2121 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
2123 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
2125 * config/alpha/alpha.h (alpha_expand_mov): Return false if
2126 force_const_mem returns NULL_RTX.
2128 2009-02-26 Jan Hubicka <jh@suse.cz>
2131 * cgraph.h (varpool_output_debug_info): Remove.
2132 * cgraphunit.c (varpool_output_debug_info): Remove.
2133 * dwarf2out.c (deferred_locations_struct): New struct
2134 (deferred_locations): New type.
2135 (deferred_locations_list): New static var.
2136 (deffer_location): New function.
2137 (gen_variable_die): Use it.
2138 (decls_for_scope): Output info on local static vars.
2139 (dwarf2out_finish): Process deferred locations.
2140 * varpool.c (varpool_output_debug_info): Remove.
2142 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
2144 PR rtl-optimization/39241
2145 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
2146 to subreg_offset_representable_p.
2148 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
2150 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
2151 execute function prototype. Get f and nregs from max_reg_num
2152 and get_insns. Remove the first backward pass as it's dead,
2153 guard the forward pass by flag_expensive_optimizations.
2154 (rest_of_handle_regmove): Delete.
2155 (pass_regmove): Replace it with regmove_optimize.
2157 2009-02-25 Martin Jambor <mjambor@suse.cz>
2159 PR tree-optimization/39259
2160 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
2161 calls_alloca function flags.
2162 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
2165 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
2167 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
2168 flags_set_1_rtx, flags_set_1_set): Delete.
2169 (regmove_optimize): Do not call mark_flags_life_zones.
2171 2009-02-24 Julian Brown <julian@codesourcery.com>
2174 * config/arm/arm.c (require_pic_register): Only set
2175 cfun->machine->pic_reg once per function.
2177 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
2179 * doc/invoke.texi (Link Options): Document an easier way to pass
2180 options that take arguments to the GNU linker using -Xlinker and -Wl.
2182 2009-02-24 Steve Ellcey <sje@cup.hp.com>
2185 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
2187 2009-02-24 Richard Guenther <rguenther@suse.de>
2190 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
2192 2009-02-24 Richard Guenther <rguenther@suse.de>
2193 Zdenek Dvorak <ook@ucw.cz>
2195 PR tree-optimization/39233
2196 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
2197 from converting them to a generic type.
2199 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
2201 PR tree-optimization/39260
2202 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
2203 contains a condition with a real type.
2204 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
2206 2009-02-23 Jason Merrill <jason@redhat.com>
2209 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
2210 narrowing_initializer_constant_valid_p.
2211 (narrowing_initializer_constant_valid_p): Don't return
2212 null_pointer_node for adding a pointer to itself.
2214 2009-02-23 Jan Hubicka <jh@suse.cz>
2217 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
2220 2009-02-23 Jan Hubicka <jh@suse.cz>
2222 PR tree-optimization/37709
2223 * tree.c (block_ultimate_origin): Move here from dwarf2out.
2224 * tree.h (block_ultimate_origin): Declare.
2225 * dwarf2out.c (block_ultimate_origin): Move to tree.c
2226 * tree-ssa-live.c (remove_unused_scope_block_p):
2227 Eliminate blocks containig no instructions nor live variables nor
2229 (dump_scope_block): New function.
2230 (remove_unused_locals): Enable removal of dead blocks by default;
2231 enable dumping at TDF_DETAILS.
2233 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2235 * config/i386/i386.c (classify_argument): Don't allow COImode
2237 (function_arg_advance_32): Don't allow OImode.
2238 (function_arg_32): Likewise.
2239 (function_value_32): Likewise.
2240 (return_in_memory_32): Likewise.
2241 (function_arg_64): Remove OImode comment.
2243 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2246 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
2247 ix86_expand_vector_set for V4DImode in 64bit mode only.
2248 (ix86_expand_vector_init_one_var): Likewise.
2250 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
2252 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
2254 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
2257 * loop-iv.c: Revert last change.
2258 * emit-rtl.c: Likewise.
2260 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2263 * config/i386/i386.c (type_natural_mode): Remove an extra
2264 space in the warning message.
2265 (function_value_32): Handle 32-byte vector modes.
2266 (return_in_memory_32): Likewise.
2268 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
2270 * loop-iv.c (truncate_value): New function.
2271 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
2273 (lowpart_subreg): Move to...
2274 * emit-rtl.c: ...here.
2276 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
2278 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
2279 accidental and undocumented change at revision 140860.
2281 2009-02-21 Joseph Myers <joseph@codesourcery.com>
2283 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
2284 take gimple_seq * arguments.
2285 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
2286 types_compatible_p langhook.
2288 2009-02-20 Mark Mitchell <mark@codesourcery.com>
2289 Joseph Myers <joseph@codesourcery.com>
2291 * config/arm/arm.c (arm_builtin_va_list): New function.
2292 (arm_expand_builtin_va_start): Likewise.
2293 (arm_gimplify_va_arg_expr): Likewise.
2294 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
2295 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
2296 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
2297 (va_list_type): New variable.
2298 (arm_mangle_type): Mangle va_list_type appropriately.
2300 2009-02-20 Jakub Jelinek <jakub@redhat.com>
2303 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
2304 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
2305 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
2306 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
2307 parameter to 1000 for -O1 by default.
2308 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
2310 * loop-invariant.c: Include params.h.
2311 (move_loop_invariants): Don't call move_single_loop_invariants on
2314 2009-02-20 Jaka Mocnik <jaka@xlab.si>
2316 * calls.c (emit_library_call_value_1): Use slot_offset instead of
2317 offset when calculating bounds for indexing stack_usage_map. Fixes
2318 a buffer overflow with certain target setups.
2320 2009-02-20 Jakub Jelinek <jakub@redhat.com>
2323 * calls.c (expand_call): Clear try_tail_call if caller and callee
2324 disagree in promotion of function return value.
2326 2009-02-19 Jakub Jelinek <jakub@redhat.com>
2329 * c-common.c (c_determine_visibility): If visibility changed and
2330 DECL_RTL has been already set, call make_decl_rtl to update symbol
2333 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
2336 * varasm.c (assemble_variable): Don't check DECL_NAME when
2337 globalizing a variable.
2339 2009-02-19 Joseph Myers <joseph@codesourcery.com>
2342 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
2343 expression before any __builtin_trap call.
2344 * c-typeck.c (build_function_call): Convert and check function
2345 arguments before generating a call to a trap. Evaluate the
2346 function arguments before the trap.
2348 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
2351 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
2352 (UNSPEC_FXAM_MEM): New unspec.
2353 (fxam<mode>2_i387_with_temp): New insn and split pattern.
2354 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
2355 memory using fxam<mode>2_i387_with_temp to remove excess precision.
2357 2009-02-19 Richard Guenther <rguenther@suse.de>
2359 PR tree-optimization/39207
2360 PR tree-optimization/39074
2361 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
2362 storedanything_tree): New.
2363 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
2364 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
2365 (build_succ_graph): Add edges from STOREDANYTHING to all
2367 (init_base_vars): Initialize STOREDANYTHING.
2368 (compute_points_to_sets): Free substitution info after
2369 building the succ graph.
2370 (ipa_pta_execute): Likewise.
2372 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
2374 (do_ds_constraint): Do not add to special var or non-pointer
2376 (type_could_have_pointers): Split out from ...
2377 (could_have_pointers): ... here. For arrays use the element type.
2378 (create_variable_info_for): Initialize may_have_pointers.
2379 (new_var_info): Likewise.
2380 (handle_lhs_call): Make the HEAP variable unknown-sized.
2381 (intra_create_variable_infos): Use a type with pointers for
2382 PARM_NOALIAS, make it unknown-sized.
2384 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
2387 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
2389 2009-02-18 Jason Merrill <jason@redhat.com>
2392 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
2393 value if DECL_EXTERNAL.
2394 * tree-sra.c (sra_walk_gimple_assign): Likewise.
2395 * target.h (gcc_target::binds_local_p): Clarify "module".
2396 * tree.h (TREE_PUBLIC): Clarify "module".
2398 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
2401 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
2402 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
2404 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
2407 * c.opt (Wabi): Support C and ObjC.
2410 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
2412 * config/i386/i386.c (classify_argument): Warn once about the ABI
2413 change when passing union with long double.
2415 * doc/invoke.texi: Update -Wabi for warning psABI changes.
2417 2009-02-18 Joseph Myers <joseph@codesourcery.com>
2420 * c-parser.c (c_parser_compound_statement): Always enter and leave
2423 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2426 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
2428 2009-02-18 Jakub Jelinek <jakub@redhat.com>
2430 PR tree-optimization/36922
2431 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
2432 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
2435 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2437 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
2440 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2442 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
2444 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2446 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
2449 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
2450 Richard Sandiford <rdsandiford@googlemail.com>
2452 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
2453 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
2454 (loongson_biadd): ...this.
2456 2009-02-17 Richard Guenther <rguenther@suse.de>
2458 PR tree-optimization/39202
2459 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
2460 a var make sure to follow existing collapses.
2462 2009-02-17 Richard Guenther <rguenther@suse.de>
2465 * langhooks.c (lhd_print_error_function): Check for NULL block.
2467 2009-02-17 Richard Guenther <rguenther@suse.de>
2469 PR tree-optimization/39204
2470 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
2473 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
2475 * config/soft-fp/double.h: Update from glibc CVS.
2477 2009-02-17 Richard Guenther <rguenther@suse.de>
2479 PR tree-optimization/39207
2480 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
2481 strict-aliasing warnings for pointers pointing to NULL.
2483 2009-02-16 Joseph Myers <joseph@codesourcery.com>
2486 * c-parser.c (c_parser_braced_init): Call pop_init_level when
2487 skipping until next close brace.
2489 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
2492 * config/i386/i386.c (ix86_expand_push): Set memory alignment
2493 to function argument boundary.
2495 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2497 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
2498 in the lea_add. Reload eventually constraints it properly.
2499 * config/picochip/constraints.md : Remove the target constraint
2500 "b", since it is not needed anymore.
2502 2009-02-16 Jakub Jelinek <jakub@redhat.com>
2504 * gthr-dce.h: Uglify function parameter and local variable names.
2505 * gthr-gnat.h: Likewise.
2506 * gthr-mipssde.h: Likewise.
2507 * gthr-nks.h: Likewise.
2508 * gthr-posix95.h: Likewise.
2509 * gthr-posix.h: Likewise.
2510 * gthr-rtems.h: Likewise.
2511 * gthr-single.h: Likewise.
2512 * gthr-solaris.h: Likewise.
2513 * gthr-tpf.h: Likewise.
2514 * gthr-vxworks.h: Likewise.
2515 * gthr-win32.h: Likewise.
2517 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
2520 * config/i386/i386.md: Restrict the new peephole2 to move
2521 between MMX/SSE registers.
2523 2009-02-15 Richard Guenther <rguenther@suse.de>
2526 2009-02-13 Richard Guenther <rguenther@suse.de>
2528 * configure.ac: Enable LFS.
2529 * configure: Re-generate.
2530 * config.in: Likewise.
2532 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2534 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
2535 spu_srqwbyte, spu_srqwbytebc): Define.
2536 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
2537 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
2538 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
2539 "shrqby_<mode>"): New insn-and-split patterns.
2540 * config/spu/spu.c (expand_builtin_args): Determine and return
2541 number of operands using spu_builtin_description data.
2542 (spu_expand_builtin_1): Use it.
2544 2009-02-13 Steve Ellcey <sje@cup.hp.com>
2547 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
2550 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2553 * config/i386/i386.c (override_options): Correct warning
2554 messages for -malign-loops, -malign-jumps and -malign-functions.
2556 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2559 * config/i386/i386.md: Restrict the new peephole2 to move
2560 between the general purpose registers.
2562 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2565 * config/i386/i386.c (type_natural_mode): Add a new argument.
2566 Return the original mode and warn ABI change if vector size is 32byte.
2567 (function_arg_advance): Updated.
2568 (function_arg): Likewise.
2569 (ix86_function_value): Likewise.
2570 (ix86_return_in_memory): Likewise.
2571 (ix86_sol10_return_in_memory): Likewise.
2572 (ix86_gimplify_va_arg): Likewise.
2573 (function_arg_32): Don't warn ABX ABI change here.
2574 (function_arg_64): Likewise.
2576 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
2578 * loop-iv.c (implies_p): In the final case, test that operands 0
2579 of the two comparisons match.
2581 * config/bfin/bfin.c (find_prev_insn_start): New function.
2582 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
2583 (find_next_insn_start): Move.
2585 2009-02-13 Richard Guenther <rguenther@suse.de>
2587 * configure.ac: Enable LFS.
2588 * configure: Re-generate.
2589 * config.in: Likewise.
2591 2009-02-13 Joseph Myers <joseph@codesourcery.com>
2594 * c-parser.c (c_parser_parms_list_declarator): Discard pending
2595 sizes on syntax error after some arguments have been parsed.
2597 2009-02-12 Jakub Jelinek <jakub@redhat.com>
2599 * doc/invoke.texi (-fira): Remove.
2601 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2603 * caller-save.c: Replace regclass.c with reginfo.c in comments.
2604 * recog.c: Likewise.
2607 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
2609 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
2610 (umul_ppmm): Likewise.
2611 (count_leading_zeros): Likewise.
2612 (count_trailing_zeros): Likewise.
2613 (UMUL_TIME): Likewise.
2615 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2617 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
2618 soft-fp/t-softfp to tmake_file.
2620 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
2621 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
2622 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
2623 IA64_BUILTIN_INFQ]: New.
2624 (ia64_init_builtins): Initialize __builtin_infq,
2625 __builtin_fabsq and __builtin_copysignq if not HPUX.
2626 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
2627 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
2629 * config/ia64/lib1funcs.asm (__divtf3): Define only if
2631 (__fixtfti): Likewise.
2632 (__fixunstfti): Likewise.
2633 (__floattitf): Likewise.
2635 * config/ia64/libgcc-glibc.ver: New.
2636 * config/ia64/t-fprules-softfp: Likewise.
2637 * config/ia64/sfp-machine.h: Likewise.
2639 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
2640 (LIBGCC2_TF_CEXT): Likewise.
2641 (TF_SIZE): Likewise.
2642 (TARGET_INIT_LIBFUNCS): Likewise.
2644 * config/ia64/t-glibc (SHLINB_MAPFILES):
2645 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
2647 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2649 * config/i386/i386.c (construct_container): Rewrite processing
2650 BLKmode with X86_64_SSE_CLASS.
2652 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
2655 * config/i386/i386.md: Replace simplify_replace_rtx with
2656 replace_rtx in the new peephole2.
2658 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
2660 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
2661 loop unrolling do not happen at -O2.
2663 2009-02-12 Michael Matz <matz@suse.de>
2665 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
2667 2009-02-12 Jakub Jelinek <jakub@redhat.com>
2669 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
2672 2009-02-12 Ben Elliston <bje@au.ibm.com>
2674 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
2675 patterns when updating the back chain. Missed in the 2009-02-10
2678 2009-02-11 Janis Johnson <janis187@us.ibm.com>
2680 * doc/extend.texi (Decimal Floating Types): Update identifier of
2681 draft TR and list of missing support.
2683 2009-02-11 Jakub Jelinek <jakub@redhat.com>
2686 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
2687 bit to variable length decl's flags, add it also to its
2688 pointer replacement variable.
2690 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
2691 Jakub Jelinek <jakub@redhat.com>
2694 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
2695 (memory_blockage): New expander.
2696 (*memory_blockage): New insn pattern.
2697 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
2698 instead of general blockage at the end of function prologue when
2699 frame pointer is used to access red zone area. Do not emit blockage
2700 when profiling, it is emitted in generic code.
2701 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
2702 function epilogue when frame pointer is used to access red zone area.
2704 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
2707 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
2708 by arithmetic with memory operands.
2709 * config/i386/predicates.md (commutative_operator): New.
2711 2009-02-10 Janis Johnson <janis187@us.ibm.com>
2713 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
2716 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
2718 * alias.h (record_alias_subset): Declare.
2719 * alias.c (record_alias_subset): Make global.
2721 2009-02-10 Nick Clifton <nickc@redhat.com>
2723 * tree-parloops.c: Change license to GPLv3.
2724 * ipa-struct-reorg.c: Change license to GPLv3.
2725 * ipa-struct-reorg.h: Change license to GPLv3.
2727 2009-02-10 Steve Ellcey <sje@cup.hp.com>
2730 * c-decl.c (start_struct): Return NULL on error.
2732 2009-02-10 Jakub Jelinek <jakub@redhat.com>
2735 * cfgloopmanip.c (remove_path): Call remove_bbs after
2736 cancel_loop_tree, not before it.
2739 * function.h (struct function): Add has_local_explicit_reg_vars bit.
2740 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
2741 VAR_DECLs were seen.
2742 * tree-ssa-live.c (remove_unused_locals): Recompute
2743 cfun->has_local_explicit_reg_vars.
2744 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
2745 copies or clearings if cfun->has_local_explicit_reg_vars.
2747 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
2750 * config/i386/i386.c (expand_prologue): Emit blockage at the end
2751 of function prologue when frame pointer is used to access
2754 2009-02-10 Richard Guenther <rguenther@suse.de>
2757 * gimplify.c (gimple_regimplify_operands): Always look if
2758 we need to create a temporary.
2760 2009-02-10 Richard Guenther <rguenther@suse.de>
2762 PR tree-optimization/39132
2763 * tree-loop-distribution.c (todo): New global var.
2764 (generate_memset_zero): Trigger TODO_rebuild_alias.
2765 (tree_loop_distribution): Return todo.
2767 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
2770 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
2771 (x86_64_reg_class_name): Removed.
2772 (classify_argument): Return 0 if bytes > 32. Return 0 if the
2773 first one isn't X86_64_SSE_CLASS or any other ones aren't
2774 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
2775 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
2776 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
2777 and 3 X86_64_SSEUP_CLASS.
2778 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
2779 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
2781 2009-02-10 Ben Elliston <bje@au.ibm.com>
2783 * config/rs6000/rs6000.md (allocate_stack): Always use an update
2784 form instruction to update the stack back chain word, even if the
2785 user has disabled the generation of update instructions.
2786 (movdi_<mode>_update_stack): New.
2787 (movsi_update_stack): Likewise.
2788 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
2789 always use an update form instruction to update the stack back
2792 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
2795 * graphite.c (if_region_set_false_region): After moving a region in
2796 the false branch of a condition, remove the empty dummy basic block.
2797 (gloog): Remove wrong fix for PR38953.
2799 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2801 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
2802 generation due to implicit sign extension.
2804 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
2807 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
2808 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
2810 2009-02-09 Richard Guenther <rguenther@suse.de>
2813 * convert.c (convert_to_real): Disable (float)fn((double)x)
2814 to fnf(x) conversion if errno differences may occur and
2815 -fmath-errno is set.
2817 2009-02-07 Anatoly Sokolov <aesok@post.ru>
2819 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
2820 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2821 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2823 2009-02-06 Joseph Myers <joseph@codesourcery.com>
2826 * c-common.c (handle_alias_attribute): Disallow attribute for
2827 anything not a FUNCTION_DECL or VAR_DECL.
2829 2009-02-06 Janis Johnson <janis187@us.ibm.com>
2832 * real.c (do_compare): Special-case compare of zero against
2833 decimal float value.
2835 2009-02-06 Joseph Myers <joseph@codesourcery.com>
2838 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
2839 as indicating flexible array members unless the field itself is
2840 being declarared as the incomplete array.
2842 2009-02-06 Jan Hubicka <jh@suse.cz>
2844 PR tree-optimization/38844
2845 * ipa-inline.c (try_inline): Stop inlining recursion when edge
2848 2009-02-06 Richard Guenther <rguenther@suse.de>
2851 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
2852 fork because we may expand it as __gcov_fork.
2854 2009-02-06 Nick Clifton <nickc@redhat.com>
2856 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
2858 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
2860 PR tree-optimization/35659
2861 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
2862 vn_phi_eq): Shortcut if hashcode does not match.
2863 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
2865 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
2866 and avoid iterative_hash_expr.
2867 (FOR_EACH_VALUE_ID_IN_SET): New.
2868 (value_id_compare): Remove.
2869 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
2870 sort expressions by value id.
2872 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
2875 * config/sh/predicates.md (general_movsrc_operand): Don't check
2876 the subreg of system registers here.
2878 2009-02-05 Jakub Jelinek <jakub@redhat.com>
2881 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
2884 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
2886 PR rtl-optimization/39110
2887 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
2888 addresses, not aligned ones.
2890 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
2891 Richard Guenther <rguenther@suse.de>
2893 PR tree-optimization/39100
2894 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
2895 comment says and add edges.
2897 2009-02-05 Joseph Myers <joseph@codesourcery.com>
2900 * c-common.c (handle_tls_model_attribute): Ignore attribute for
2901 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
2903 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
2905 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
2906 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
2907 register_bb_in_sese, new_sese, free_sese): Moved.
2908 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
2909 outermost_loop_in_scop, build_scop_iteration_domain,
2910 expand_scalar_variables_ssa_name, get_vdef_before_scop,
2911 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
2912 Use loop_in_sese_p instead of loop_in_scop_p.
2913 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
2914 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
2915 (scopdet_basic_block_info): Fix bug in scop detection.
2916 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
2917 eq_loop_to_cloog_loop): Remove.
2918 (nb_loops_around_loop_in_scop, nb_loop
2919 ref_nb_loops): Moved here...
2920 * graphite.h (ref_nb_loops): ... from here.
2921 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
2922 (loop_domain_dim, loop_iteration_vector_dim): Remove.
2923 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
2924 * testsuite/gcc.dg/graphite/scop-19.c: New
2926 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
2927 Hans-Peter Nilsson <hp@axis.com>
2929 PR rtl-optimization/37889
2930 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
2931 Move offset handling from PLUS to before the switch. Use new
2932 arguments when considering SYMBOL_REFs too.
2933 (rtx_addr_can_trap_p): Pass dummy offset and size.
2934 (enum may_trap_p_flags): Remove.
2935 (may_trap_p_1): Pass size from MEM_SIZE.
2937 PR rtl-optimization/38921
2938 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
2939 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
2940 * rtlanal.c (may_trap_after_code_motion_p): Delete.
2941 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
2943 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
2945 AVX Programming Reference (January, 2009)
2946 * config/i386/sse.md (*vpclmulqdq): New.
2948 2009-02-04 Jakub Jelinek <jakub@redhat.com>
2950 PR tree-optimization/38977
2951 PR gcov-profile/38292
2952 * calls.c (special_function_p): Disregard __builtin_ prefix.
2954 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
2956 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
2957 non-indexable addresses even before reload.
2959 2009-02-03 Joseph Myers <joseph@codesourcery.com>
2962 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
2963 as having variable size. Do not give an error for unnamed
2964 parameters with [*] declarators. Give a warning for type names
2965 with [*] declarators and mark them as variable size.
2966 * c-parser.c (c_parser_sizeof_expression): Do not give an error
2967 for sizeof applied to [*] type names.
2969 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
2972 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
2974 2009-02-03 Jakub Jelinek <jakub@redhat.com>
2976 * gcc.c (process_command): Update copyright notice dates.
2977 * gcov.c (print_version): Likewise.
2978 * gcov-dump.c (print_version): Likewise.
2979 * mips-tfile.c (main): Likewise.
2980 * mips-tdump.c (main): Likewise.
2982 2009-02-03 Joseph Myers <joseph@codesourcery.com>
2985 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
2986 for composite type involving a zero-length array type.
2988 2009-02-03 Jakub Jelinek <jakub@redhat.com>
2991 * function.c (match_asm_constraints_1): Skip over
2992 initial optional % in the constraint.
2995 * c-parser.c (c_parser_postfix_expression): If fixed point is not
2996 supported, don't accept FIXED_CSTs.
2997 * c-decl.c (finish_declspecs): Error if fixed point is not supported
2998 and _Sat is used without _Fract/_Accum. Set specs->type to
2999 integer_type_node for cts_fract/cts_accum if fixed point is not
3002 2009-02-02 Catherine Moore <clm@codesourcery.com>
3004 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
3006 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
3008 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
3009 (ABI_HAS_64BIT_SYMBOLS): Use it.
3010 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
3012 2009-02-02 Paul Brook <paul@codesourcery.com>
3014 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
3016 2009-02-02 Jakub Jelinek <jakub@redhat.com>
3019 * recog.h (asm_operand_ok): Add constraints argument.
3020 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
3021 recurse on matching constraint.
3022 (check_asm_operands): Pass constraints as 3rd argument to
3023 asm_operand_ok. Don't look up matching constraint here.
3024 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
3027 2009-02-02 Ben Elliston <bje@au.ibm.com>
3029 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
3030 TARGET_NARROW_VOLATILE_BITFIELD macro names.
3032 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3034 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
3035 information. Remove some obsolete information. Reorganize.
3037 * config/pa/fptr.c: Revert license to GPL 2.
3038 * config/pa/milli64.S: Likewise.
3040 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
3043 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
3044 LIBRARY name in, instead of hard-coding it.
3045 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
3046 extra target make frag to tmake_files according to EH model.
3047 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
3048 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
3049 frags that define makefile variable EH_MODEL appropriately.
3050 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
3051 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
3052 to "-sjlj" according to type of EH configured.
3053 (LIBGCC_SONAME): Concatenate it to shared library base name.
3054 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
3055 to "_sjlj" according to type of EH configured.
3056 (LIBGCC_SONAME): Concatenate it to shared library base name.
3057 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
3058 (SHLIB_LINK): Add missing semicolon to if-else construct.
3059 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
3060 string value of "pe_dll" command-line option.
3061 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
3062 (SHLIB_SONAME): Use it when overriding t-cygming default.
3063 (SHLIB_IMPLIB): Override t-cygming default.
3064 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
3065 string value of "pe_dll" command-line option.
3067 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
3070 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
3071 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
3073 2009-01-31 Richard Guenther <rguenther@suse.de>
3075 PR tree-optimization/38937
3076 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
3077 computing the transitive closure.
3079 2009-01-30 Richard Guenther <rguenther@suse.de>
3081 PR tree-optimization/39041
3082 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3083 Propagate variable indices only if the types match for this stmt.
3085 2009-01-30 Jakub Jelinek <jakub@redhat.com>
3088 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
3089 inline but never defined.
3091 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
3093 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
3094 (*insv_h_di_reg_extimm): New insn.
3095 (*insv_l<mode>_reg_extimm): New insn.
3097 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
3099 * config/picochip/picochip.c (flag_conserve_stack): set
3100 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
3101 fconserve-stack. Reduce call-overhead used by inliner.
3103 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
3106 * common.opt (flag_conserve_stack): Initialised to zero.
3108 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
3111 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
3112 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
3115 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
3117 * ira-color.c (allocno_reload_assign): Update comments.
3118 * regmove.c (regmove_optimize): Likewise.
3122 2009-01-29 Robert Millan <rmh@aybabtu.com>
3124 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
3125 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
3126 `MD_UNWIND_SUPPORT'.
3127 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
3129 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
3131 PR tree-optimization/39007
3132 * tree-loop-distribution.c (generate_builtin): Use
3133 recompute_dominator to compute the immediate dominator of the
3134 basic block just after the loop.
3136 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3138 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
3139 (ASM_OUTPUT_DWARF_PCREL): Define.
3141 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
3143 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
3144 * doc/passes.texi: Remove entries about regclass, local-alloc, and
3145 global. Modify entries about regmove and IRA.
3147 * ra-conflict.c: Remove the file.
3149 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
3151 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
3152 (pass_regclass_init): Rename to pass_reginfo_init.
3154 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
3156 * toplev.h (flag_ira): Remove.
3158 * caller-save.c (setup_save_areas): Remove flag_ira.
3160 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
3162 * global.c: Remove the file.
3164 * opts.c (decode_options): Remove flag_ira.
3166 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
3168 * regmove.c: Modify file description.
3169 (find_use_as_address, try_auto_increment): Define them only if
3170 AUTO_INC_DEC is defined.
3171 (replacement_quality, replace_in_call_usage, fixup_match_1,
3172 stable_and_no_regs_but_for_p): Remove.
3173 (reg_set_in_bb): Make it static.
3174 (regmove_optimize): Remove flag_ira and code which worked for
3177 * local-alloc.c: Remove the file.
3179 * common.opt (fira): Remove.
3181 * ira.c: Include except.h.
3182 (eliminable_regset): Move from global.c.
3183 (mark_elimination): Ditto. Remove flag_ira.
3184 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
3185 equiv_mem_modified, validate_equiv_mem_from_store,
3186 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
3187 contains_replace_regs, memref_referenced_p, memref_used_between_p,
3188 no_equiv, recorded_label_ref): Move from local-alloc.c.
3189 (update_equiv_regs): Ditto. Make it static.
3190 (print_insn_chain, print_insn_chains): Move it from global.c.
3191 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
3192 (build_insn_chain): Ditto. Make it static.
3193 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
3194 Rename to init_live_subregs.
3195 (gate_ira): Remove flag_ira.
3197 * regclass.c: Rename reginfo.c. Change file description.
3198 (FORBIDDEN_INC_DEC_CLASSES): Remove.
3199 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
3200 (init_reg_sets_1): Remove code for evaluation of
3201 reg_class_superclasses and losing_caller_save_reg_set.
3202 (init_regs): Remove init_reg_autoinc.
3203 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
3204 ok_for_base_p_nonstrict): Remove.
3205 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
3206 (pass_regclass_init): Rename to pass_reginfo_init. Modify
3207 corresponding entries.
3208 (dump_regclass, record_operand_costs, scan_one_insn,
3209 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
3210 record_address_regs, auto_inc_dec_reg_p): Remove.
3211 (gt-regclass.h): Rename to gt-reginfo.h.
3213 * rtl.h (dump_global_regs, retry_global_alloc,
3214 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
3216 * Makefile.in (RA_H): Remove.
3217 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
3218 Rename regclass.o to reginfo.o.
3219 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
3221 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
3222 (GTFILES): Rename regclass.c to reginfo.c.
3224 * passes.c (init_optimization_passes): Remove pass_local_alloc and
3225 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
3227 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3228 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
3230 (finish_spills): Ditto. Remove code for !flag_ira.
3232 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3235 * doc/invoke.texi (rtl debug options): Complete rewrite.
3236 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
3238 * mode-switching.c (pass_mode_switching): Rename pass from
3239 "mode-sw" to "mode_sw".
3240 * except.c (pass_convert_to_eh_ranges): Rename pass from
3241 "eh-ranges" to "eh_ranges".
3242 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
3246 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
3247 Alexander Monakov <amonakov@ispras.ru>
3250 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
3252 (move_exprs_to_boundary): Change return type and pass through
3253 should_move from move_op. Relax assert. Update usage ...
3254 (schedule_expr_on_boundary): ... here. Use should_move instead of
3256 (move_op_orig_expr_found): Indicate that insn was disconnected from
3258 (code_motion_process_successors): Do not call after_merge_succs
3259 callback if original expression was not found when traversing any of
3261 (code_motion_path_driver): Change return type. Update prototype.
3262 (move_op): Update comment. Add a new parameter (should_move). Update
3263 prototype. Set *should_move based on indication provided by
3264 move_op_orig_expr_found.
3266 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
3268 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
3269 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
3270 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
3271 * config/rs6000/rs6000.c (rs6000_override_options): Default
3272 avoid-indexed-addresses on for Power6, off for everything else.
3273 (avoiding_indexed_address_p): New function.
3274 (rs6000_legitimize_address): Use it.
3275 (rs6000_legitimate_address): Likewise.
3276 * config/rs6000/rs6000.md (movXX_updateX): Likewise
3278 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
3280 PR tree-optimization/38997
3281 * tree-loop-distribution.c (generate_memset_zero): Use
3282 POINTER_PLUS_EXPR for a pointer addition.
3284 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
3286 * config/s390/s390.md (bswap<mode>2): New pattern added.
3288 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3290 * config/s390/s390.md (*tls_load_31): Added type attribute.
3292 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3294 * config/s390/s390.md: Fix a few comments.
3296 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3298 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
3299 (*tm<mode>_full): Fixed z10prop attribute.
3300 (*tst<mode>_extimm): Fixed z10prop attribute.
3301 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
3302 (*tstqiCCT_cconly): Fixed z10prop attribute.
3303 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
3304 (*movsi_larl): Fixed z10prop attribute.
3305 (*movsi_zarch): Fixed z10prop attribute.
3306 (*movsi_eas): Fixed z10prop attribute.
3307 (*movhi): Fixed z10prop attribute.
3308 (*movqi): Fixed z10prop attribute.
3309 (*movstrictqi): Fixed z10prop attribute.
3310 (*mov<mode>): Fixed z10prop attribute.
3311 (*movcc): Fixed z10prop attribute.
3312 (*sethighpartdi_64): Fixed z10prop attribute.
3313 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
3314 (*negdi2_sign_cc): Fixed z10prop attribute.
3315 (*negdi2_sign): Fixed z10prop attribute.
3316 (*absdi2_sign_cc): Fixed z10prop attribute.
3317 (*absdi2_sign): Fixed z10prop attribute.
3318 (*negabsdi2_sign_cc): Fixed z10prop attribute.
3319 (*negabsdi2_sign): Fixed z10prop attribute.
3320 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
3321 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
3322 (doloop_si64): Fixed z10prop attribute.
3323 (doloop_si31): Fixed z10prop attribute.
3324 (doloop_long): Fixed z10prop attribute.
3325 (indirect_jump): Fixed z10prop attribute.
3326 (nop): Fixed z10prop attribute.
3327 (main_base_64): Fixed z10prop attribute.
3328 (reload_base_64): Fixed z10prop attribute.
3330 2009-01-28 Jakub Jelinek <jakub@redhat.com>
3332 PR rtl-optimization/38740
3333 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
3335 * config/mips/mips.c (mips_reorg): Likewise.
3337 2009-01-28 Richard Guenther <rguenther@suse.de>
3339 PR tree-optimization/38926
3340 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
3341 with the correct value id to a value.
3342 (do_regular_insertion): Use the value number of edoubleprime
3343 for the value number of the expr.
3346 2008-08-21 Richard Guenther <rguenther@suse.de>
3348 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
3349 a PHI ask VN if it is already available.
3350 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
3351 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
3353 2009-01-28 Jakub Jelinek <jakub@redhat.com>
3356 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
3357 set to varying whenever max has TREE_OVERFLOW set, similarly
3358 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
3360 2009-01-28 Richard Guenther <rguenther@suse.de>
3363 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
3364 uninitialized aggregate uses in call arguments.
3366 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
3368 PR tree-optimization/38984
3369 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
3370 the nothing_id variable if -fno-delete-null-pointer-checks.
3372 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
3375 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
3376 (set_got_offset_rex64): Ditto.
3378 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
3381 * doc/extend.texi: Improve local variable with asm reg.
3383 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
3385 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
3386 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
3387 was not supplied then set warn_packed_bitfield_compat to the
3389 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
3392 2009-01-27 Richard Guenther <rguenther@suse.de>
3394 PR tree-optimization/38503
3395 * cfgexpand.c (expand_gimple_basic_block): Ignore
3396 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
3397 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
3398 variables that cannot have TBAA applied.
3399 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
3402 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
3405 * calls.c (initialize_argument_information): Do not wrap complex
3406 arguments in SAVE_EXPR.
3408 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
3410 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
3411 (INSTALL_LIBGCC): Revert typo commit.
3413 2009-01-26 Richard Guenther <rguenther@suse.de>
3415 PR tree-optimization/38745
3416 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
3417 from special handling.
3419 2009-01-26 Richard Guenther <rguenther@suse.de>
3421 PR tree-optimization/38745
3422 * tree-ssa.c (execute_update_addresses_taken): Do not include
3423 variables that cannot possibly be a register in not_reg_needs.
3424 Do not clear TREE_ADDRESSABLE on vars that may not become
3426 * tree-ssa.c (update_alias_info_1): Include those in the set
3427 of addressable vars.
3429 2009-01-26 Richard Guenther <rguenther@suse.de>
3432 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
3433 * tree-ssa-dse.c: Include langhooks.h
3434 (execute_simple_dse): Remove stores with zero size.
3436 2009-01-24 Jakub Jelinek <jakub@redhat.com>
3439 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
3442 2009-01-24 Julian Brown <julian@codesourcery.com>
3444 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
3445 config/arm/linux-atomic.c.
3446 * config/arm/linux-atomic.c: New.
3448 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
3450 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
3451 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
3452 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
3454 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
3457 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
3460 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
3462 PR tree-optimization/38953
3463 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3464 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
3465 (gloog): Split the exit of the scop when the scop exit is a loop exit.
3466 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3469 2009-01-24 Paul Brook <paul@codesourcery.com>
3471 * config/arm/neon.md (neon_type): Move to arm.md.
3472 (neon_mov<VSTRUCT>): Add neon_type attribute.
3473 * config/arm/arm.md (neon_type): Move to here.
3474 (conds): Add "unconditioal" and use as default for NEON insns.
3476 2009-01-24 Ben Elliston <bje@au.ibm.com>
3478 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
3479 void *' warning from -Wc++-compat.
3480 * Makefile.in (dominance.o-warn): Remove.
3482 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
3484 PR tree-optimization/38932
3485 * fold-const.c (fold_unary_ignore_overflow): New.
3486 * tree.h (fold_unary_ignore_overflow): Declare.
3487 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
3488 * tree-ssa-sccvn.c (visit_reference_op_load,
3489 simplify_unary_expression): Likewise.
3491 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
3493 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
3494 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
3495 regardless of their type.
3496 * c-common.c (handle_packed_attribute): Don't ignore packed on
3498 * c.opt (Wpacked-bitfield-compat): New warning option.
3499 * stor-layout.c (place_field): Warn if offset of a field changed.
3500 * doc/extend.texi (packed): Mention the ABI change.
3501 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
3502 (Warning Options): Add it to the list.
3504 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
3506 * c-opts.c (c_common_post_options): Fix a typo in comments.
3508 2009-01-22 Steve Ellcey <sje@cup.hp.com>
3511 * gimplify.c (gimplify_init_constructor): Fix promotion of const
3512 variables to static.
3513 * doc/invoke.texi (-fmerge-all-constants): Update description.
3515 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
3518 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
3519 (*movdi_1_rex64): Use type "mmx" for alternative 5.
3521 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
3523 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
3525 (LOCAL_ALIGNMENT): Similarly.
3527 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
3528 Joseph Myers <joseph@codesourcery.com>
3530 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
3531 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
3532 * config/arm/arm-tune.md: Regenerate.
3533 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
3536 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
3538 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
3539 version number to five.
3541 2009-01-22 Dodji Seketeli <dodji@redhat.com>
3544 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
3545 * c-common.c (set_underlying_type): Likewise.
3546 (is_typedef_decl ): Likewise
3548 (set_underlying_type): Likewise.
3549 (is_typedef_type): Likewise.
3551 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
3554 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
3557 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
3560 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
3561 (LIBGCC_SPEC): Don't define.
3562 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
3564 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
3566 PR rtl-optimization/38879
3567 * alias.c (base_alias_check): Unaligned access via AND address can
3568 alias all surrounding object types except those with sizes equal
3569 or wider than the size of unaligned access.
3571 2009-01-21 Dodji Seketeli <dodji@redhat.com>
3574 * c-decl.c (clone_underlying_type): Move this ...
3575 * c-common.c (set_underlying_type): ... here.
3576 Also, make sure the function properly sets TYPE_STUB_DECL() on
3577 the newly created typedef variant type.
3578 (is_typedef_decl ): New entry point.
3579 * tree.h: Added a new member member_types_needing_access_check to
3580 struct tree_decl_non_common.
3581 (set_underlying_type): New entry point.
3582 (is_typedef_type): Likewise.
3584 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
3586 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
3587 Check whether two instructions have memory references that
3588 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
3589 are helper functions for traversing.
3590 * alias.h (insn_alias_sets_confilict_p): New prototypes.
3591 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
3592 not to draw dependency edge for instructions with non-conflicting
3595 2009-01-20 Joseph Myers <joseph@codesourcery.com>
3598 * longlong.h: Update copyright years. Use soft-fp license notice.
3599 Sync __clz_tab declaration with glibc.
3601 2009-01-20 Steve Ellcey <sje@cup.hp.com>
3604 * doc/extend.texi (syscall_linkage): New.
3605 (version_id): Modify.
3607 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
3608 Richard Guenther <rguenther@suse.de>
3610 PR tree-optimization/38747
3611 PR tree-optimization/38748
3612 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
3613 conversion if the base address is an indirect reference and the
3614 aliasing sets could cause issues.
3616 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
3618 * common.opt (fgraphite, fgraphite-identity): Add comment for
3619 explaining why these options are not documented.
3621 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
3623 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3624 gimple_call_lhs is NULL.
3626 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
3629 * emit-rtl.c (adjust_address_1): Make sure memref is never
3632 2009-01-20 Ben Elliston <bje@au.ibm.com>
3634 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
3635 const qualifier from arg parameter. Remove unnecessary cast to char *.
3636 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
3637 const qualifier from arg 2.
3639 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
3641 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
3643 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
3646 * rtl.h (reinit_regs): New prototype.
3647 * regclass.c: Include ira.h.
3649 * Makefile.in (regclass.o): Add ira.h.
3650 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
3652 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
3655 * c-common.c (handle_aligned_attribute): Use
3656 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
3657 default alignment value.
3659 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
3661 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
3662 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
3664 * doc/extend.texi: Update __attribute__ ((aligned)). Document
3665 __BIGGEST_ALIGNMENT__.
3667 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
3669 2009-01-18 Richard Guenther <rguenther@suse.de>
3671 PR tree-optimization/38819
3672 * tree-flow.h (operation_could_trap_helper_p): Declare.
3673 * tree-eh.c (operation_could_trap_helper_p): Export.
3674 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
3675 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
3676 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
3677 are about to insert a possibly trapping instruction and fail
3680 2009-01-18 Andreas Schwab <schwab@suse.de>
3682 * doc/install.texi (Configuration): Remove obsolete paragraph
3683 about use of --with-gnu-ld with --with-gnu-as.
3685 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
3687 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
3688 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
3689 Follow spelling conventions.
3691 2009-01-18 Ben Elliston <bje@au.ibm.com>
3693 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
3694 C++ warning about implicit conversion from void * to struct
3696 (bitmap_obstack_free): Likewise for bitmap_element *.
3697 * Makefile.in (bitmap.o-warn): Remove.
3699 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
3701 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
3703 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
3704 Tobias Grosser <tobi.grosser@amd.com>
3706 * graphite.c (graphite_trans_scop_block): Do not block single
3709 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
3711 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
3712 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
3713 test with assertion.
3715 2009-01-16 Richard Guenther <rguenther@suse.de>
3717 PR tree-optimization/38835
3719 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
3720 and INT + PTR -> (INT)(PTR p+ INT) folding.
3721 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
3723 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
3726 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
3727 the subreg from a lowpart subreg if it is also casting the value.
3729 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
3730 Tobias Grosser <tobi.grosser@amd.com>
3732 * graphite.c (compare_prefix_loops): New.
3733 (build_scop_canonical_schedules): Rewritten.
3734 (graphite_transform_loops): Move build_scop_canonical_schedules
3735 after build_scop_iteration_domain.
3737 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
3738 Tobias Grosser <tobi.grosser@amd.com>
3740 * graphite.c (add_conditions_to_domain): Add the loops to
3741 the dimension of the iteration domain. Do copy the domain
3742 only when it exists.
3743 (build_scop_conditions_1): Do not call add_conditions_to_domain.
3744 (add_conditions_to_constraints): New.
3745 (can_generate_code_stmt, can_generate_code): Removed.
3746 (gloog): Do not call can_generate_code.
3747 (graphite_transform_loops): Call add_conditions_to_constraints
3748 after building the iteration domain.
3750 2009-01-16 Jakub Jelinek <jakub@redhat.com>
3752 PR tree-optimization/38789
3753 * tree-ssa-threadedge.c
3754 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
3755 __builtin_constant_p.
3757 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
3759 * dce.c (delete_unmarked_insns): Reversed the order that insns are
3760 examined before deleting them.
3762 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
3764 * function.c (aggregate_value_p): Correctly extract the function
3765 type from CALL_EXPR_FN lookup.
3767 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3769 * config/picochip/picochip.c (picochip_override_options): Revert
3770 CFI asm flag disable commited previously.
3772 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
3773 Tobias Grosser <tobi.grosser@amd.com>
3774 Jan Sjodin <jan.sjodin@amd.com>
3776 * graphite.c (scan_tree_for_params): On substractions negate
3777 all the coefficients of the term.
3778 (clast_to_gcc_expression_red): New. Handle reduction expressions
3779 of more than two operands.
3780 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3781 (get_vdef_before_scop): Handle also the case of default definitions.
3783 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3785 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
3786 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
3787 Also use them when walking CALL_INSN_FUNCTION_USAGE.
3789 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
3790 Joey Ye <joey.ye@intel.com>
3793 * cfgexpand.c (expand_stack_alignment): Don't update stack
3794 boundary nor check incoming stack boundary here.
3795 (gimple_expand_cfg): Update stack boundary and check incoming
3796 stack boundary here.
3798 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
3800 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
3802 2009-01-14 Jakub Jelinek <jakub@redhat.com>
3804 PR rtl-optimization/38245
3805 * calls.c (expand_call): Add stack arguments to
3806 CALL_INSN_FUNCTION_USAGE even for pure calls (when
3807 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
3808 in regs and partially in memory or BLKmode arguments.
3809 (emit_library_call_value_1): Add stack arguments to
3810 CALL_INSN_FUNCTION_USAGE even for pure calls (when
3811 ACCUMULATE_OUTGOING_ARGS).
3812 * dce.c: Include tm_p.h.
3813 (find_call_stack_args): New function.
3814 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
3816 (mark_insn): Call find_call_stack_args for CALL_Ps.
3817 (prescan_insns_for_dce): Walk insns backwards in bb rather than
3818 forwards. Allocate and free arg_stores bitmap if needed, pass it
3819 down to deletable_insn_p, don't mark stores set in arg_stores
3820 bitmap, clear the bitmap at the beginning of each bb.
3821 * Makefile.in (dce.o): Depend on $(TM_P_H).
3823 2009-01-14 Michael Meissner <gnu@the-meissners.org>
3826 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
3827 to make sure the insn is a conditional test (bug 22599). Reformat a
3830 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
3833 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3834 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3835 (gloog): Do not call cleanup_tree_cfg.
3836 (graphite_transform_loops): Call cleanup_tree_cfg after all
3837 scops have been code generated.
3839 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
3840 * doc/gty.texi (Invoking the garbage collector): Added new node
3841 and section documenting ggc_collect.
3843 2009-01-14 Richard Guenther <rguenther@suse.de>
3845 PR tree-optimization/38826
3847 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
3848 initialization notes only if we actually emitted a warning.
3849 (intra_create_variable_infos): Add constraints for a result decl
3850 that is passed by hidden reference.
3851 (build_pred_graph): Mark all related variables non-direct on
3854 2009-01-14 Nick Clifton <nickc@redhat.com>
3856 * ira-conflicts.c: Include addresses.h for the definition of
3858 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
3859 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
3861 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
3864 * Makefile.in (ira-lives.o): Add except.h.
3866 * ira-lives.c: Include except.h.
3867 (process_bb_node_lives): Process can_throw_internal.
3869 2009-01-13 Jakub Jelinek <jakub@redhat.com>
3871 PR rtl-optimization/38774
3872 * combine.c (simplify_set): When undoing cc_use change, don't do
3873 PUT_CODE on the newly created comparison, but instead put back the
3876 2009-01-13 Joseph Myers <joseph@codesourcery.com>
3878 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
3879 values. Remove duplicate arm8 entry.
3881 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
3883 PR tree-optimization/38786
3884 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3885 the SSA_NAME case of expand_scalar_variables_expr.
3886 Set the type of an expression to the type of its assign statement.
3887 (expand_scalar_variables_expr): Also gather the scalar computation
3888 used to index the memory access. Do not pass loop_p.
3889 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
3890 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3891 the gimple_stmt_iterator where it inserts new code.
3893 (copy_bb_and_scalar_dependences): Do not pass loop_p.
3894 (translate_clast): Update call to copy_bb_and_scalar_dependences.
3896 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
3898 * graphite.h (debug_value): Removed.
3899 * graphite.c (debug_value): Removed.
3901 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
3903 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
3904 ldrd/strd with two 32-bit instructions.
3906 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
3908 * config/arm/arm.c (struct processors): Pass for speed down into
3909 cost helper functions.
3910 (const_ok_for_op): Handle COMPARE and inequality nodes.
3911 (arm_rtx_costs_1): Rewrite.
3912 (arm_size_rtx_costs): Update prototype.
3913 (arm_rtx_costs): Pass speed down to helper functions.
3914 (arm_slowmul_rtx_costs): Rework cost calculations.
3915 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
3916 (arm_9e_rtx_costs): Likewise.
3918 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
3920 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
3921 relocations of local symbols wider than UNITS_PER_WORD are not valid.
3922 (alpha_legitimize_address): Do not split local symbols wider than
3923 UNITS_PER_WORD into HIGH/LO_SUM parts.
3925 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
3928 * gcc.c (process_command): Replace call to execvp with calls
3929 to pex_one and exit.
3931 2009-01-03 Anatoly Sokolov <aesok@post.ru>
3934 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
3935 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
3936 variant for devices with 3-byte PC.
3937 (__tablejump_elpm__): New.
3939 2009-01-12 Jakub Jelinek <jakub@redhat.com>
3942 * c-parser.c (c_parser_postfix_expression): Allow `->' in
3943 offsetof member-designator, handle it as `[0].'.
3945 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3947 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
3948 function when not using named sections on targets with named sections
3949 if branch distance is less than 262132.
3951 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
3953 * combine.c (combine_instructions): Recompute
3954 optimize_this_for_speed_p for each BB in the main combine loop.
3956 2009-01-12 Tomas Bily <tbily@suse.cz>
3959 * tree-loop-distribution.c (prop_phis): New function.
3960 (generate_builtin): Call prop_phis.
3961 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
3963 2009-01-12 Jakub Jelinek <jakub@redhat.com>
3965 PR tree-optimization/38807
3966 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
3967 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
3969 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
3971 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
3972 subreg of op0 to the original op0.
3974 2009-01-11 Laurent GUERBY <laurent@guerby.net>
3976 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
3978 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
3981 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
3982 starting with digits.
3984 2009-01-10 Jakub Jelinek <jakub@redhat.com>
3987 * config/arm/arm.c (arm_is_long_call_p): Don't call
3988 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
3990 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
3992 * regrename.c (regrename_optimize): Fix dumping.
3993 (find_oldest_value_reg): Preserve REG_POINTER.
3994 (copy_hardreg_forward_1): Likewise.
3996 2009-01-09 Diego Novillo <dnovillo@google.com>
3998 * gimple.h (struct gimple_statement_base) <uid>: Document
3999 the restrictions on its use.
4001 (gimple_set_uid): Tidy.
4003 2009-01-09 Jakub Jelinek <jakub@redhat.com>
4005 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
4006 zero guard even if align_bytes != 0 and count is smaller than
4009 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
4011 PR rtl-optimization/38495
4012 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
4013 (add_range_and_copies_from_move_list): Print all added ranges.
4014 Add ranges to memory optimized destination.
4016 2009-01-09 Jakub Jelinek <jakub@redhat.com>
4020 * config/i386/i386.c (override_options): Reject
4021 -mstringop-strategy=rep_8byte with -m32.
4022 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
4023 to 1. Do count comparison against epilogue_size_needed at compile
4024 time even when count_exp was constant forced into register. For
4025 size_needed don't jump to epilogue, instead just avoid aligning
4026 and invoke the body algorithm. If need_zero_guard, add zero guard
4027 even if count is non-zero, but smaller than size_needed + number of
4028 bytes that could be stored for alignment.
4029 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
4030 to 1. If need_zero_guard, add zero guard even if count is non-zero,
4031 but smaller than size_needed + number of bytes that could be stored
4032 for alignment. Compare size_needed with epilogue_size_needed instead
4033 of desired_align - align, don't adjust size_needed, pass
4034 epilogue_size_needed to the epilogue expanders.
4037 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
4039 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4041 * pa.c (last_address): Change to unsigned.
4042 (update_total_code_bytes): Change argument to unsigned. Don't
4043 check if insn addresses are set.
4044 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
4045 addresses are not set.
4046 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
4048 2009-01-09 Nick Clifton <nickc@redhat.com>
4050 * config/sh/symbian.c: Replace uses of DECL_INLINE with
4051 DECL_DECLARED_INLINE_P.
4053 2009-01-09 Jakub Jelinek <jakub@redhat.com>
4056 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
4057 GET_MODE (op0) in operand_subword_force calls.
4060 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
4061 fold_convert arg0 operands to TREE_TYPE (op0) first.
4063 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
4065 * params.def (ira-max-conflict-table-size): Decrease default value
4068 2009-01-08 Jakub Jelinek <jakub@redhat.com>
4070 PR tree-optimization/37031
4071 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
4073 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
4074 allocate it using gc instead of heap, use VEC_quick_push instead of
4076 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
4077 instead of heap, use VEC_quick_push instead of VEC_safe_push.
4078 * tree-data-ref.h (struct access_matrix): Change matrix to gc
4079 allocated vector from heap allocated.
4080 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
4081 * tree-loop-linear.c (linear_transform_loops): Allocate nest
4082 vector only after perfect_loop_nest_depth call.
4084 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
4085 Jan Sjodin <jan.sjodin@amd.com>
4087 PR tree-optimization/38559
4088 * graphite.c (debug_value, copy_constraint,
4089 swap_constraint_variables, scale_constraint_variable, ): New.
4090 (get_lower_bound, get_upper_bound): Removed.
4091 (graphite_trans_bb_strip_mine): Clean up this code that works
4092 only for constant number of iterations. Fully copy upper and
4093 lower bound constraints, not only the constant part of them.
4094 * graphite.h (debug_value): Declared.
4096 2009-01-08 Ira Rosen <irar@il.ibm.com>
4098 PR tree-optimization/37194
4099 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
4100 Don't add the cost of cost model guard in prologue to scalar
4101 outside cost in case of known number of iterations.
4103 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
4104 Alan Modra <amodra@bigpond.net.au>
4106 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
4107 non-word-aligned REG+CONST addressing.
4109 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
4112 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
4113 free_after_compilation when outputting a thunk.
4114 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
4115 Do not call free_after_compilation here.
4117 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
4119 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
4120 (ix86_valid_target_attribute_inner_p): Ditto.
4122 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
4124 PR tree-optimization/38492
4125 PR tree-optimization/38498
4126 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
4127 * tree-chrec.h (scev_is_linear_expression): Declared.
4128 * graphite.c (graphite_cannot_represent_loop_niter): New.
4129 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
4130 (graphite_loop_normal_form): Use gcc_assert.
4131 (scan_tree_for_params): Use CASE_CONVERT.
4132 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
4133 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
4134 Use gcc_assert. Discard scops that contain unhandled cases.
4135 (build_scop_conditions): Return a boolean status for unhandled cases.
4136 (strip_mine_profitable_p): Print the loop number, not its depth.
4137 (is_interchange_valid): Pass the depth of the loop nest, don't
4138 recompute it wrongly.
4139 (graphite_trans_bb_block): Same.
4140 (graphite_trans_bb_block): Print tentative of loop blocking.
4141 (graphite_trans_scop_block): Do not print that the loop has been
4143 (graphite_transform_loops): Do not handle scops that contain condition
4146 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
4148 AVX Programming Reference (December, 2008)
4149 * config/i386/avxintrin.h (_mm256_stream_si256): New.
4150 (_mm256_stream_pd): Likewise.
4151 (_mm256_stream_ps): Likewise.
4153 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
4154 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
4155 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
4156 (bdesc_special_args): Add __builtin_ia32_movntdq256,
4157 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
4158 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
4159 (ix86_expand_special_args_builtin): Likewise.
4161 * config/i386/sse.md (AVXMODEDI): New.
4162 (avx_movnt<mode>): Likewise.
4163 (avx_movnt<mode>): Likewise.
4164 (<sse>_movnt<mode>): Remove AVX support.
4165 (sse2_movntv2di): Likewise.
4167 2009-01-07 Richard Guenther <rguenther@suse.de>
4170 * fold-const.c (extract_muldiv): Remove obsolete comment.
4171 (fold_plusminus_mult_expr): Undo MINUS_EXPR
4172 to PLUS_EXPR canonicalization for the canonicalization.
4174 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
4176 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
4177 hosted cross-compilers generating less efficient code.
4179 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
4181 * function.h (rtl_data): Add a dbr_scheduled_p field.
4182 * reorg.c (dbr_schedule): Set it.
4183 (gate_handle_delay_slots): Check it.
4184 * config/mips/mips.c (mips_base_delayed_branch): Delete.
4185 (mips_reorg): Check flag_delayed_branch instead of
4186 mips_base_delayed_branch.
4187 (mips_override_options): Don't set mips_base_delayed_branch
4188 or flag_delayed_branch.
4190 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
4192 PR rtl-optimization/38426.
4193 * ira.c (ira): Set current_function_is_leaf earlier.
4195 2009-01-06 Jakub Jelinek <jakub@redhat.com>
4197 PR rtl-optimization/38722
4198 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
4199 too early, only set a flag and modify after last possible
4202 2009-01-06 Janis Johnson <janis187@us.ibm.com>
4205 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
4206 * real.c (decimal_single_format): Correct values of emin and emax.
4207 (decimal_double_format): Ditto.
4208 (decimal_quad_format): Ditto.
4209 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
4210 computation of DECnn_MIN and DECnn_MAX for corrected values of
4211 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
4212 __DECnn_MIN__, and adjust its computation for the corrected value
4215 2009-01-06 Jan Hubicka <jh@suse.cz>
4218 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
4220 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
4222 * doc/contrib.texi (Contributors): Slightly adjust the end note.
4223 Add Robert Clark to the list of testers.
4225 2009-01-06 Jan Hubicka <jh@suse.cz>
4226 Kai Tietz <kai.tietz@onevision.com>
4228 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
4229 * config/i386/i386.c (ix86_expand_call): Add clobbers.
4231 2009-01-06 Jan Hubicka <jh@suse.cz>
4232 Kai Tietz <kai.tietz@onevision.com>
4234 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
4236 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
4237 (ix86_nsaved_regs): Count only general purpose regs.
4238 (ix86_nsaved_sseregs): New.
4239 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
4240 to 16 for w64; compute padding and size of sse reg save area.
4241 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
4242 general purpose regs.
4243 (ix86_emit_save_sse_regs_using_mov): New.
4244 (ix86_expand_prologue): Save SSE regs if needed.
4245 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
4246 (ix86_emit_restore_sse_regs_using_mov): New.
4247 (ix86_expand_epilogue): Save SSE regs if needed.
4249 2009-01-06 Jan Hubicka <jh@suse.cz>
4250 Kai Tietz <kai.tietz@onevision.com>
4252 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
4253 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
4254 functions when accumulate outgoing args is off.
4256 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
4259 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
4260 before using pseudos_have_intersected_live_ranges_p.
4262 * ira-int.h (ira_assert): Always define.
4264 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
4266 AVX Programming Reference (December, 2008)
4267 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
4268 (_mm256_permute2_pd): Likewise.
4269 (_mm_permute2_ps): Likewise.
4270 (_mm256_permute2_ps): Likewise.
4271 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
4272 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
4274 * config/i386/i386.c (ix86_builtins): Remove
4275 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
4276 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
4277 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
4278 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
4279 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
4280 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
4281 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
4282 __builtin_ia32_vpermil2ps256.
4283 (ix86_init_mmx_sse_builtins): Updated.
4284 (ix86_expand_args_builtin): Likewise.
4286 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4288 * pa.c (output_call): Relocate non-jump insns in the delay slot of
4289 long absolute calls when generating PA 2.0 code.
4291 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
4293 PR rtl-optimization/38583
4294 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
4296 * params.def (ira-max-conflict-table-size): New.
4298 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
4300 * ira.h (ira_conflicts_p): New external definition.
4302 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
4303 table. Report this. Return result of building.
4304 (ira_build_conflicts): Use ira_conflicts_p. Check result of
4305 building conflict table.
4307 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
4308 (ira_color): Use ira_conflicts_p.
4310 * global.c: Include ira.h.
4311 (pseudo_for_reload_consideration_p, build_insn_chain): Use
4314 * Makefile.in (global.o): Add ira.h.
4316 * ira-build.c (mark_all_loops_for_removal,
4317 propagate_some_info_from_allocno): New.
4318 (remove_unnecessary_allocnos): Call
4319 propagate_some_info_from_allocno.
4320 (remove_low_level_allocnos): New.
4321 (remove_unnecessary_regions): Add parameter. Call
4322 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
4323 parameter to remove_unnecessary_regions.
4324 (ira_build): Remove all regions but root if the conflict table was
4325 not built. Update conflict hard regs for allocnos crossing calls.
4327 * ira.c (ira_conflicts_p): New global.
4328 (ira): Define and use ira_conflicts_p.
4330 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
4331 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
4332 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
4334 2009-01-06 Ben Elliston <bje@au.ibm.com>
4336 * gengtype-lex.l (YY_NO_INPUT): Define.
4338 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
4341 * c-common.c (handle_vector_size_attribute): Also reject
4344 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
4346 PR tree-optimization/38492
4347 * graphite.c (rename_map_elt, debug_rename_elt,
4348 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4349 rename_map_elt_info, eq_rename_map_elts,
4350 get_new_name_from_old_name, bb_in_sese_p): Moved around.
4351 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4352 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4353 (sese_build_livein_liveouts): New.
4354 (new_sese, free_sese): New.
4355 (new_scop): Call new_sese.
4356 (free_scop): Call free_sese.
4357 (rename_variables_from_edge, rename_phis_end_scop): Removed.
4358 (register_old_new_names): Renamed register_old_and_new_names.
4359 (register_scop_liveout_renames, add_loop_exit_phis,
4360 insert_loop_close_phis, struct igp,
4361 default_liveout_before_guard, add_guard_exit_phis,
4362 insert_guard_phis, copy_renames): New.
4363 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4364 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4365 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4366 (scop_adjust_phis_for_liveouts): New.
4367 (gloog): Call scop_adjust_phis_for_liveouts.
4369 * graphite.h (struct sese): Documented. Added fields liveout,
4371 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4372 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4373 (struct scop): Added field liveout_renames.
4374 (SCOP_LIVEOUT_RENAMES): New.
4376 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
4378 PR tree-optimization/38510
4379 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4380 (translate_clast): Call recompute_all_dominators before
4382 (gloog): Call recompute_all_dominators before graphite_verify.
4384 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
4385 Jan Sjodin <jan.sjodin@amd.com>
4387 PR tree-optimization/38500
4388 * graphite.c (create_sese_edges): Call fix_loop_structure after
4391 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
4393 * config.gcc: Add m32r*-*-rtems*.
4394 * config/m32r/rtems.h: New file.
4396 2009-01-05 Ben Elliston <bje@au.ibm.com>
4398 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
4399 (.po.pox): Likewise.
4400 (po/gcc.pot): Likewise.
4402 2009-01-04 David S. Miller <davem@davemloft.net>
4404 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
4405 (STARTING_FRAME_OFFSET): Always set to zero.
4407 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
4409 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
4410 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
4411 fixed-point types, and vectors of the same.
4413 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
4415 * config/mips/sync.md (*mb_barrier): Rename to...
4416 (*memory_barrier): ...this.
4418 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
4420 * doc/extend.texi (Function Attributes): Move @cindex after @item
4421 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
4422 and put in alphabetical order. Fix 'target' name and put in order.
4423 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
4426 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
4428 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
4429 (memory_barrier): Expand as unspec instead of unspec_volatile.
4430 Remove mem:BLK from insn operands. Use Pmode scratch register.
4431 (*memory_barrier): Define as unspec instead of unspec_volatile.
4432 Use (match_dup 0) as input operand.
4434 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
4435 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
4436 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
4437 scratch register. Remove operand 1.
4438 (*stbar): Define as unspec instead of unspec_volatile.
4439 Use (match_dup 0) as input operand, remove (const_int 8).
4440 (*membar): Define as unspec instead of unspec_volatile.
4441 Use (match_dup 0) as input operand, remove input operand 2.
4443 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
4444 (memory_barrier): Expand as unspec instead of unspec_volatile.
4445 Remove mem:BLK from insn operands. Use Pmode scratch register.
4446 (*memory_barrier): Define as unspec instead of unspec_volatile.
4447 Use (match_dup 0) as input operand.
4449 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
4450 Remove mem:BLK from insn operands. Use Pmode scratch register.
4451 Set volatile flag on operand 0.
4452 (*memory_barrier): New insn pattern.
4454 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
4456 (*memory_barrier): Use (match_dup 0) as input operand.
4458 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
4459 Remove mem:BLK from insn operands. Use Pmode scratch register.
4460 Set volatile flag on operand 0.
4461 (*mb_internal): New insn pattern.
4463 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
4465 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
4468 * function.c (struct temp_slot): Move to the section of the file
4469 that deals with temp slots. Remove field 'address'.
4470 (temp_slot_address_table): New hash table of address -> temp slot.
4471 (struct temp_slot_address_entry): New struct, items for the table.
4472 (temp_slot_address_compute_hash, temp_slot_address_hash,
4473 temp_slot_address_eq, insert_temp_slot_address): Support functions
4475 (find_temp_slot_from_address): Rewrite to use the new hash table.
4476 (remove_unused_temp_slot_addresses): Remove addresses of temp
4477 slots that have been made available.
4478 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
4479 worker function for remove_unused_temp_slot_addresses.
4480 (assign_stack_temp_for_type): Don't clear the temp slot address list.
4481 Add the temp slot address to the address -> temp slot map.
4482 (update_temp_slot_address): Update via insert_temp_slot_address.
4483 (free_temp_slots): Call remove_unused_temp_slot_addresses.
4484 (pop_temp_slots): Likewise.
4485 (init_temp_slots): Allocate the address -> temp slot map, or empty
4486 the map if it is already allocated.
4487 (prepare_function_start): Initialize temp slot processing.
4489 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
4492 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
4493 Calculate the size of all stack vars assuming no packing of stack
4494 vars will happen, replacing a quadratic algorithm with a linear one.
4496 2009-01-03 Jakub Jelinek <jakub@redhat.com>
4499 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
4502 2009-01-03 Diego Novillo <dnovillo@google.com>
4504 * doc/contrib.texi: Update contributions.
4506 2009-01-03 Jakub Jelinek <jakub@redhat.com>
4509 * builtins.c (fold_builtin_memory_op): Give up if either operand
4510 is volatile. Set srctype or desttype to non-qualified version
4514 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
4517 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
4519 PR rtl-optimization/35805
4520 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
4521 problem if fast dce is able to remove any instructions.
4522 * dce.c (dce_process_block): Fix dump message.
4524 2009-01-02 Mark Mitchell <mark@codesourcery.com>
4527 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
4529 2009-01-02 Jakub Jelinek <jakub@redhat.com>
4532 * tree-flow.h (op_code_prio, op_prio): New prototypes.
4533 * tree-pretty-print.c (op_code_prio): New function.
4534 (op_prio): No longer static. Use op_code_prio.
4535 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
4536 Use op_prio and op_code_prio to determine if () should be
4537 printed around operand(s) or not.
4539 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
4540 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
4541 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
4542 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
4543 pp_character instead of pp_string for single letter printing.
4545 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4547 * doc/extend.texi: Fix '#pragma GCC option' typo.
4549 2009-01-02 Richard Guenther <rguenther@suse.de>
4551 * doc/install.texi (--enable-checking): Mention different
4553 (--enable-stage1-checking): Document.
4555 2009-01-01 Andrew Pinski <pinskia@gmail.com>
4558 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
4559 case to be an error.
4561 2009-01-02 Ben Elliston <bje@au.ibm.com>
4563 * config/fp-bit.h (pack_d): Constify argument.
4564 * config/fp-bit.c (makenan): Constify return type. Remove casts.
4565 (isnan): Constify argument.
4569 (_fpadd_parts): Constify return type.
4570 (_fpmul_parts): Likewise.
4571 (_fpdiv_parts): Likewise.
4573 2009-01-01 Jakub Jelinek <jakub@redhat.com>
4576 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
4577 warn about overwriting initializer with side-effects or
4578 -Woverride-init if !IMPLICIT.
4579 (output_init_element): Likewise. Pass IMPLICIT down to
4581 (process_init_element): Add IMPLICIT argument. Pass it down
4582 to output_init_element.
4583 (push_init_element, pop_init_level, set_designator): Adjust
4584 process_init_element callers.
4585 (set_nonincremental_init, set_nonincremental_init_from_string):
4586 Adjust add_pending_init callers.
4587 (output_pending_init_elements): Adjust output_init_element callers.
4588 * c-tree.h (process_init_element): Adjust prototype.
4589 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
4590 process_init_element callers.