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 * simplify-rtx.c (simplify_relational_operation_1): Simplify
19 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
22 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
23 changed. Use this when trying to improve the upper bound.
24 Generate the comparison by using simplify_gen_relational.
26 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
28 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
31 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
33 2009-03-31 Richard Guenther <rguenther@suse.de>
36 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
37 equality comparisons. Fold C - X CMP X if C % 2 == 1.
39 2009-03-31 Richard Guenther <rguenther@suse.de>
41 * tree.h (div_if_zero_remainder): Declare.
42 * fold-const.c (div_if_zero_remainder): Export.
44 (forward_propagate_addr_into_variable_array_index): Handle
45 constant array index addition outside of the variable index.
47 2009-03-31 Joseph Myers <joseph@codesourcery.com>
50 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
51 define_splits, floatunssi<mode>2): Require x87 conversions from
52 DImode to be permitted.
54 2009-03-31 Joseph Myers <joseph@codesourcery.com>
57 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
59 2009-03-31 Richard Guenther <rguenther@suse.de>
63 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
64 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
65 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
67 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
68 (lookup_tmp_var): Likewise.
69 (is_gimple_formal_tmp_or_call_rhs): Remove.
70 (is_gimple_reg_or_call_rhs): Rename to ...
71 (is_gimple_reg_rhs_or_call): ... this.
72 (is_gimple_mem_or_call_rhs): Rename to ...
73 (is_gimple_mem_rhs_or_call): ... this.
74 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
75 DECL_GIMPLE_REG_P only if is_formal is true.
76 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
77 for non-proper post-modify expression gimplification.
78 (gimplify_self_mod_expr): For post-modify expressions gimplify
79 the lvalue to a minimal lvalue.
80 (rhs_predicate_for): Remove formal temp case.
81 (gimplify_modify_expr_rhs): Likewise.
82 (gimplify_addr_expr): Use is_gimple_reg.
83 (gimplify_expr): Remove formal temp cases.
84 (gimple_regimplify_operands): Likewise.
85 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
86 and FILTER_EXPR like constants.
87 * gimple.c (walk_gimple_op): Fix val_only initialization, use
89 (is_gimple_formal_tmp_rhs): Remove.
90 (is_gimple_reg_rhs): Remove special casing.
91 (is_gimple_mem_rhs): Fix.
92 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
93 (is_gimple_formal_tmp_var): Remove.
94 (is_gimple_formal_tmp_reg): Likewise.
95 (is_gimple_min_lval): Allow invariant component ref parts.
96 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
97 is_gimple_formal_tmp_reg): Remove declarations.
98 * tree-cfg.c (verify_expr): Verify that variables with address
99 taken do not have DECL_GIMPLE_REG_P set.
100 * tree-mudflap.c (mf_build_check_statement_for): Use
101 force_gimple_operand instead of gimplify_expr.
103 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
105 * modulo-sched.c (sms_schedule_by_order): Pass the actual
106 schedulable rows to compute_split_row.
108 2009-03-31 Ben Elliston <bje@au.ibm.com>
111 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
114 2009-03-31 Alan Modra <amodra@bigpond.net.au>
116 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
117 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
118 * configure: Regenerate.
119 * config.in: Regenerate.
120 * config/rs6000/rs6000.opt (mtls-markers): Add.
121 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
122 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
123 (tls_ld_aix, tls_ld_sysv): Likewise.
124 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
125 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
127 2009-03-31 Alan Modra <amodra@bigpond.net.au>
129 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
131 2009-03-30 Jan Hubicka <jh@suse.cz>
133 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
135 (tree_remove_unreachable_handlers): Cleanup EH predecestor
136 detection and label handling.
138 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
140 * ira-int.h (ira_allocno): Rename left_conflicts_num to
142 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
143 ALLOCNO_LEFT_CONFLICTS_SIZE.
145 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
146 remove_allocno_from_bucket_and_push,
147 allocno_spill_priority_compare, push_allocnos_to_stack,
148 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
149 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
150 (setup_allocno_left_conflicts_num): Ditto. Rename to
151 setup_allocno_left_conflicts_size.
152 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
153 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
154 setup_allocno_left_conflicts_size instead of
155 setup_allocno_left_conflicts_num.
157 * ira-build.c (ira_create_allocno): Use
158 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
159 ALLOCNO_LEFT_CONFLICTS_NUM.
161 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
163 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
164 instead of DF_LR_OUT.
166 * ira-lives.c (process_bb_node_lives): Ditto.
168 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
169 instead of DF_LR_{OUT,IN}.
171 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
173 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
175 2009-03-30 Jan Hubicka <jh@suse.cz>
177 * except.c (label_to_region_map): Fix thinko.
179 2009-03-30 Steve Ellcey <sje@cup.hp.com>
182 * tree.h (tree_find_value): New declaration.
183 * tree.c (tree_find_value): New function.
184 * varasm.c (assemble_external): Avoid duplicate entries on lists.
186 2009-03-30 Jakub Jelinek <jakub@redhat.com>
189 * c-decl.c (struct c_binding): Add locus field.
190 (bind): Add locus argument, set locus field from it.
191 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
192 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
193 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
194 implicitly_declare, undeclared_variable, lookup_label,
195 declare_label, c_make_fname_decl, c_builtin_function,
196 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
199 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
202 * config/i386/i386.c (classify_argument): Check total size of
205 2009-03-30 Martin Jambor <mjambor@suse.cz>
207 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
208 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
209 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
212 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
213 seen_variable_array_ref while also traversing a union.
215 * tree-inline.c (optimize_inline_calls): Do not call
216 cgraph_node_remove_callees.
217 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
218 (pass_remove_cgraph_callee_edges): New variable.
219 * passes.c (init_optimization_passes): Add
220 pass_remove_cgraph_callee_edges after early inlining and before all
221 late intraprocedural passes.
223 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
225 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
227 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
230 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
232 * combine.c (simplify_comparison): Use have_insn_for.
233 * dojump.c (do_jump): Likewise.
235 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
237 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
238 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
239 sparc_compare_op0 like sparc_compare_emitted used to be handled.
240 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
241 instead of sparc_compare_emitted.
242 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
243 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
244 instead of sparc_compare_emitted.
246 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
248 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
249 enter/exit cfglayout mode.
250 (pass_partition_block): Require it.
251 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
252 (combine_instructions): Track basic blocks instead of labels.
253 (update_cfg_for_uncondjump): New.
254 (try_combine): Use it. Update jumps after rescanning.
255 (pass_combine): Require PROP_cfglayout.
256 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
258 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
260 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
261 Provide/destroy PROP_cfglayout respectively.
262 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
263 * tree-pass.h (PROP_cfglayout): New.
265 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
267 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
268 fold_convert_const_fixed_from_fixed,
269 fold_convert_const_fixed_from_int,
270 fold_convert_const_fixed_from_real, fold_negate_const): Do not
271 set TREE_CONSTANT_OVERFLOW.
272 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
273 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
275 2009-03-30 Ira Rosen <irar@il.ibm.com>
277 * tree-vect-loop-manip.c: New file.
278 * tree-vectorizer.c: Update documentation and included files.
279 (vect_loop_location): Make extern.
280 (rename_use_op): Move to tree-vect-loop-manip.c
281 (rename_variables_in_bb, rename_variables_in_loop,
282 slpeel_update_phis_for_duplicate_loop,
283 slpeel_update_phi_nodes_for_guard1,
284 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
285 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
286 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
287 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
288 find_loop_location): Likewise.
289 (new_stmt_vec_info): Move to tree-vect-stmts.c.
290 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
291 get_vectype_for_scalar_type, vect_is_simple_use,
292 supportable_widening_operation, supportable_narrowing_operation):
294 (bb_in_loop_p): Move to tree-vect-loop.c.
295 (new_loop_vec_info, destroy_loop_vec_info,
296 reduction_code_for_scalar_code, report_vect_op,
297 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
298 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
299 (vect_supportable_dr_alignment): Likewise.
300 * tree-vectorizer.h (tree-data-ref.h): Include.
301 (vect_loop_location): Declare.
302 Reorganize function declarations according to the new file structure.
303 * tree-vect-loop.c: New file.
304 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
305 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
306 * tree-vect-data-refs.c: New file.
307 * tree-vect-patterns.c (timevar.h): Don't include.
308 * tree-vect-stmts.c: New file.
309 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
310 tree-vect-slp.c, tree-vect-loop.c.
311 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
312 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
313 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
314 (tree-vect-analyze.o): Remove.
315 (tree-vect-transform.o): Likewise.
316 (tree-vect-data-refs.o): Add rule.
317 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
318 tree-vect-slp.o): Likewise.
319 (tree-vect-patterns.o): Remove redundant dependencies.
320 (tree-vectorizer.o): Likewise.
321 * tree-vect-slp.c: New file.
323 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
325 * optc-gen.awk: Warn if an option flag has multiple different
328 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
330 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
331 -floop-block): Document dependences on PPL, CLooG and Graphite.
333 2009-03-30 Joseph Myers <joseph@codesourcery.com>
335 PR rtl-optimization/323
336 * c-common.c (c_fully_fold, convert_and_check,
337 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
338 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
339 * c-common.def (EXCESS_PRECISION_EXPR): New.
340 * c-cppbuiltin.c (builtin_define_float_constants): Define
341 constants with enough digits for long double.
342 * c-lex.c (interpret_float): Interpret constant with excess
343 precision where appropriate.
344 * c-opts.c (c_common_post_options): Set
345 flag_excess_precision_cmdline. Give an error for
346 -fexcess-precision=standard for C++ for processors where the
347 option is significant.
348 * c-parser.c (c_parser_conditional_expression): Handle excess
349 precision in condition.
350 * c-typeck.c (convert_arguments): Handle arguments with excess
352 (build_unary_op): Move excess precision outside operation.
353 (build_conditional_expr): Likewise.
354 (build_compound_expr): Likewise.
355 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
356 (build_modify_expr): Handle excess precision in RHS.
357 (convert_for_assignment): Handle excess precision in converted
359 (digest_init, output_init_element, process_init_element): Handle
360 excess precision in initializer.
361 (c_finish_return): Handle excess precision in return value.
362 (build_binary_op): Handle excess precision in operands and add
363 excess precision as needed for operation.
364 * common.opt (-fexcess-precision=): New option.
365 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
366 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
367 For standard excess precision, output explicit conversion to and
368 truncation from XFmode.
369 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
370 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
371 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
372 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
373 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
374 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
375 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
376 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
377 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
378 define_splits, sqrt<mode>2): Disable where appropriate for
379 standard excess precision.
380 * convert.c (convert_to_real): Do not shorten arithmetic to type
381 for which excess precision would be used.
382 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
383 * doc/invoke.texi (-fexcess-precision=): Document option.
384 (-mfpmath=): Correct index entry.
385 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
386 flag_excess_precision): New.
387 * langhooks.c (lhd_post_options): Set
388 flag_excess_precision_cmdline.
389 * opts.c (common_handle_option): Handle -fexcess-precision=.
390 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
391 init_excess_precision): New.
392 (lang_dependent_init_target): Call init_excess_precision.
393 * tree.c (excess_precision_type): New.
394 * tree.h (excess_precision_type): Declare.
396 2009-03-30 Joseph Myers <joseph@codesourcery.com>
399 * c-typeck.c (build_component_ref): Do not copy qualifiers from
400 non-lvalue to component.
402 2009-03-29 Joseph Myers <joseph@codesourcery.com>
404 PR preprocessor/34695
405 * Makefile.in (c-opts.o): Depend on c-tree.h.
406 * c-common.c: Move down include of diagnostic.h.
407 (done_lexing, c_cpp_error): New.
408 * c-common.h (done_lexing): Declare.
409 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
411 * c-opts.c: Include c-tree.h.
412 (c_common_init_options): Set preprocessor error callback.
413 (c_common_handle_option): Do not set preprocessor
414 inhibit_warnings, warnings_are_errors, warn_system_headers,
415 pedantic_errors or inhibit_warnings flags.
416 (c_common_post_options): Do not check cpp_errors (parse_in).
417 (c_common_finish): Do not output dependencies if there were
418 errors. Do not check return value of cpp_finish.
419 * c-ppoutput.c (pp_file_change): Set input_location.
420 * c-tree.h (c_cpp_error): Declare.
421 * diagnostic.c (diagnostic_set_info_translated): Also initialize
423 (diagnostic_build_prefix): Check override_column.
424 * diagnostic.h (diagnostic_info): Add override_column field.
425 (diagnostic_override_column): Define.
427 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
429 * c-common.c (c_expand_expr, c_staticp): Remove.
430 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
431 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
432 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
433 * c-gimplify.c (gimplify_compound_literal_expr,
434 optimize_compound_literals_in_ctor): Remove.
435 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
436 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
437 * c-semantics.c (emit_local_var): Remove.
439 * langhooks-def.h (lhd_expand_expr): Remove.
440 * langhooks.c (lhd_expand_expr): Remove.
441 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
443 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
444 handling from c-semantics.c; don't call into langhook.
445 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
446 * gimplify.c (gimplify_compound_literal_expr,
447 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
448 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
449 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
450 as was done in c-gimplify.c.
451 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
452 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
453 Move from c-common.h.
454 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
456 * tree.c (staticp): Do not call langhook.
457 * langhooks.c (lhd_staticp): Delete.
458 * langhooks-def.h (lhd_staticp): Delete prototype.
459 (LANG_HOOKS_STATICP): Delete.
460 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
462 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
463 instead of DECL_STMTs.
465 2009-03-29 Joseph Myers <joseph@codesourcery.com>
473 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
475 (fold_call_expr): Return a NOP_EXPR from folding rather than the
476 contained expression.
477 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
478 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
479 conditional expressions for C.
480 (decl_constant_value_for_optimization): Move from
481 decl_constant_value_for_broken_optimization in c-typeck.c. Check
482 whether optimizing and that the expression is a VAR_DECL not of
483 array type instead of doing such checks in the caller. Do not
484 check pedantic. Call gcc_unreachable for C++.
485 * c-common.def (C_MAYBE_CONST_EXPR): New.
486 * c-common.h (c_fully_fold, c_save_expr,
487 decl_constant_value_for_optimization): New prototypes.
488 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
489 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
490 EXPR_INT_CONST_OPERANDS): Define.
491 * c-convert.c (convert): Strip nops from expression.
492 * c-decl.c (groktypename): Take extra parameters expr and
493 expr_const_operands. Update call to grokdeclarator.
494 (start_decl): Update call to grokdeclarator. Add statement for
495 expressions used in type of decl.
496 (grokparm): Update call to grokdeclarator.
497 (push_parm_decl): Update call to grokdeclarator.
498 (build_compound_literal): Add parameter non_const and build a
499 C_MAYBE_COSNT_EXPR if applicable.
500 (grokdeclarator): Take extra parameters expr and
501 expr_const_operands. Track expressions used in declaration
502 specifiers and declarators. Fold array sizes and track whether
503 they are constant expressions and whether they are integer
504 constant expressions.
505 (parser_xref_tag): Set expr and expr_const_operands fields in
507 (grokfield): Update call to grokdeclarator.
508 (start_function): Update call to grokdeclarator.
509 (build_null_declspecs): Set expr and expr_const_operands fields in
511 (declspecs_add_type): Handle expressions in typeof specifiers.
512 * c-parser.c (c_parser_declspecs): Set expr and
513 expr_const_operands fields for declaration specifiers.
514 (c_parser_enum_specifier): Likewise.
515 (c_parser_struct_or_union_specifier): Likewise.
516 (c_parser_typeof_specifier): Likewise. Update call to
517 groktypename. Fold expression as needed. Return expressions with
518 type instead of adding statements.
519 (c_parser_attributes): Update calls to c_parser_expr_list.
520 (c_parser_statement_after_labels): Fold expression before passing
521 to objc_build_throw_stmt.
522 (c_parser_condition): Fold expression.
523 (c_parser_asm_operands): Fold expression.
524 (c_parser_conditional_expression): Use c_save_expr. Update call
525 to build_conditional_expr.
526 (c_parser_alignof_expression): Update call to groktypename.
527 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
528 original_code. Fold expression argument of va_arg. Create
529 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
530 argument to va_arg. Update calls to groktypename. Fold array
531 index for offsetof. Verify that first argument to
532 __builtin_choose_expr has integer type.
533 (c_parser_postfix_expression_after_paren_type): Update calls to
534 groktypename and build_compound_literal. Handle expressions with
535 side effects in type name.
536 (c_parser_postfix_expression_after_primary): Update call to
537 c_parser_expr_list. Set original_code for calls to
538 __builtin_constant_p.
539 (c_parser_expr_list): Take extra parameter fold_p. Fold
540 expressions if requested.
541 (c_parser_objc_type_name): Update call to groktypename.
542 (c_parser_objc_synchronized_statement): Fold expression.
543 (c_parser_objc_receiver): Fold expression.
544 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
545 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
546 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
547 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
548 (struct c_typespec): Add elements expr and expr_const_operands.
549 (struct c_declspecs): Add elements expr and expr_const_operands.
550 (groktypename, build_conditional_expr, build_compound_literal):
552 (in_late_binary_op): Declare.
553 * c-typeck.c (note_integer_operands): New function.
554 (in_late_binary_op): New variable.
555 (decl_constant_value_for_broken_optimization): Move to c-common.c
556 and rename to decl_constant_value_for_optimization.
557 (default_function_array_conversion): Do not strip nops.
558 (default_conversion): Do not call
559 decl_constant_value_for_broken_optimization.
560 (build_array_ref): Do not fold result.
561 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
562 result when operand is a VLA.
563 (c_expr_sizeof_type): Update call to groktypename. Handle
564 expressions included in type name. Use C_MAYBE_CONST_EXPR for
565 result when operand names a VLA type.
566 (build_function_call): Update call to build_compound_literal.
567 Only fold result for calls to __builtin_* functions. Strip
568 NOP_EXPR from INTEGER_CST returned from such functions. Fold
569 the function designator.
570 (convert_arguments): Fold arguments. Update call to
571 convert_for_assignment.
572 (build_unary_op): Handle increment and decrement of
573 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
574 decrement earlier. Fold operand of increment and decrement.
575 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
576 built for integer operand. Wrap returns that are INTEGER_CSTs
577 without being integer constant expressions or that have integer
578 constant operands without being INTEGER_CSTs.
579 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
580 (build_conditional_expr): Add operand ifexp_bcp. Track whether
581 result is an integer constant expression or can be used in
582 unevaluated parts of one and avoid folding and wrap as
583 appropriate. Fold operands before possibly doing -Wsign-compare
585 (build_compound_expr): Wrap result for C99 if operands can be used
586 in integer constant expressions.
587 (build_c_cast): Update call to digest_init. Do not ignore
588 overflow from casting floating-point constants to integers. Wrap
589 results that could be confused with integer constant expressions,
590 null pointer constants or floating-point constants.
591 (c_cast_expr): Update call to groktypename. Handle expressions
592 included in type name.
593 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
594 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
595 Update calls to convert_for_assignment.
596 (convert_for_assignment): Take new parameter
597 null_pointer_constant. Do not strip nops or call
598 decl_constant_value_for_broken_optimization. Set
599 in_late_binary_op for conversions to boolean.
600 (store_init_value): Update call to digest_init.
601 (digest_init): Take new parameter null_pointer_constant. Do not
602 call decl_constant_value_for_broken_optimization. pedwarn for
603 initializers not constant expressions. Update calls to
604 convert_for_assignment.
605 (constructor_nonconst): New.
606 (struct constructor_stack): Add nonconst element.
607 (really_start_incremental_init, push_init_level, pop_init_level):
608 Handle constructor_nonconst and nonconst element.
609 (set_init_index): Call constant_expression_warning for array
611 (output_init_element): Fold value. Set constructor_nonconst as
612 applicable. pedwarn for initializers not constant expressions.
613 Update call to digest_init. Call constant_expression_warning
614 where constant initializers are required.
615 (process_init_element): Use c_save_expr.
616 (c_finish_goto_ptr): Fold expression.
617 (c_finish_return): Fold return value. Update call to
618 convert_for_assignment.
619 (c_start_case): Fold switch expression.
620 (c_process_expr_stmt): Fold expression.
621 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
622 ensure statement expression is not evaluated in constant expression.
623 (build_binary_op): Track whether results are integer constant
624 expressions or may occur in such, disable folding and wrap results
625 as applicable. Fold operands for -Wsign-compare warnings unless
627 (c_objc_common_truthvalue_conversion): Handle results folded to
628 integer constants that are not integer constant expressions.
629 * doc/extend.texi: Document when typeof operands are evaluated,
630 that condition of __builtin_choose_expr is an integer constant
631 expression, and more about use of __builtin_constant_p in
634 2009-03-29 Richard Guenther <rguenther@suse.de>
636 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
637 propagate addresses of array references.
639 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
641 * regmove.c (perhaps_ends_bb_p): Remove.
642 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
643 from INSN and check that the main loop stays within that basic block.
644 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
645 (regmove_forward_pass): Split out from regmove_optimize. Use
646 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
647 (regmove_backward_pass): Split out from regmove_optimize. Use
648 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
649 (regmove_optimize): Simplify.
651 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
654 * config/i386/i386.c (classify_argument): Ignore flexible array
655 member in struct and warn ABI change.
657 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
659 * config/i386/i386-protos.h (ix86_agi_dependent): New.
661 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
662 (ix86_adjust_cost): Updated.
664 2009-03-29 Jan Hubicka <jh@suse.cz>
667 * tree-pass.h (pass_cleanup_eh): New function.
668 (remove_unreachable_regions): Break code handling RTL
669 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
670 that can not be reached by runtime.
671 (can_be_reached_by_runtime): New function.
672 (label_to_region_map): New function.
673 (num_eh_regions): New function.
674 (rtl_remove_unreachable_regions): New function.
675 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
676 (remove_eh_region): New function.
677 * except.h: Include sbitmap and vecprim.
678 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
679 num_eh_regions): Declare.
680 * passes.c (init_optimization_passes): Schedule cleanup_eh.
681 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
682 * tree-eh.c (tree_remove_unreachable_handlers): New function.
683 (tree_empty_eh_handler_p): New function.
684 (cleanup_empty_eh): New function.
685 (cleanup_eh): New function.
686 (pass_cleanup_eh): New function.
688 2009-03-29 Jan Hubicka <jh@suse.cz>
690 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
693 2009-03-29 Jan Hubicka <jh@suse.cz>
695 * except.c (dump_eh_tree): Dump all datastructures.
697 2009-03-29 Jan Hubicka <jh@suse.cz>
699 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
700 (duplicate_eh_regions_1): Likewise.
701 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
702 vector; call EH verification.
703 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
704 Be ready for region being removed.
706 2009-03-29 Jan Hubicka <jh@suse.cz>
708 * bitmap.c (bitmap_last_set_bit): New function.
709 * bitmap.h (bitmap_last_set_bit): Declare.
711 2009-03-29 David Ayers <ayers@fsfe.org>
714 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
715 by calling objc_compare_types and surpress warnings about
716 incompatible C pointers that are compatible ObjC pointers.
718 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
720 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
721 call initialize_inline_failed.
722 (initialize_inline_failed): Move it from here ...
723 * cgraph.c (initialize_inline_failed): ... to here.
724 (cgraph_create_edge): Call initialize_inline_failed rather than
725 setting inline_failed directly.
727 2009-03-29 Ben Elliston <bje@au.ibm.com>
730 * sysv4.opt (msdata): Improve comment.
731 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
732 * sysv4.h (SVR4_ASM_SPEC): Likewise.
734 2009-03-29 Ben Elliston <bje@au.ibm.com>
737 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
738 load and store attributes.
740 2009-03-29 Ben Elliston <bje@au.ibm.com>
742 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
743 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
744 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
745 * doc/extend.texi (X86 Built-in Functions): Add index entries for
746 __builtin_infq and __builtin_huge_valq.
748 2009-03-28 Anatoly Sokolov <aesok@post.ru>
750 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
752 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
753 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
755 2009-03-28 Xinliang David Li <davidxl@google.com>
757 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
758 (do_dbg_cnt): New function.
760 2009-03-28 Jan Hubicka <jh@suse.cz>
762 Merge from pretty-ipa:
764 2009-03-27 Jan Hubicka <jh@suse.cz>
766 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
767 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
768 * passes.c (function_called_by_processed_nodes_p): New.
769 * ipa-pure-const.c (check_call): Fix handling of operands.
770 (analyze_function): Dump debug output for skipped bodies.
771 (local_pure_const): Use function_called_by_processed_nodes_p.
772 * dwarf2out.c (reference_to_unused): Use output.
773 * passes.c (do_per_function_toporder): Likewise.
775 2008-11-12 Jan Hubicka <jh@suse.cz>
777 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
778 * ipa-pure-const.c (funct_state_d): Add can throw field; make
779 state_set_in_source enum
780 (check_decl): Ignore memory tags; do not set fake looping flags;
782 (check_operand, check_tree, check_rhs_var, check_lhs_var,
783 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
784 (check_call, analyze_function): Rewrite.
786 (add_new_function): Update call of analyze_function.
787 (generate_summary): Add call of analyze_function.
788 (propagate): Propagate can_throw; handle state_set_in_source correctly.
789 (local_pure_const): New function.
790 (pass_local_pure_const): New pass.
791 * ipa-inline.c (inline_transform): Set after_inlining.
792 * tree-eh.c (stmt_can_throw_external): New.
793 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
794 work with aliasing built.
795 * tree-flow.h (stmt_can_throw_external): New.
796 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
797 and local pure/const pass in early and late optimization queue.
799 2009-03-28 Martin Jambor <mjambor@suse.cz>
801 * fold-const.c (get_pointer_modulus_and_residue): New parameter
803 (fold_binary): Allow function decl aligment consideration is the
804 second argument is integer constant one.
805 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
806 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
807 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
809 2009-03-28 Jan Hubicka <jh@suse.cz>
811 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
812 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
813 * function.h (rtl_data): Add nothrow flag.
814 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
815 set DECL_NOTHROW for AVAILABLE functions.
817 2009-03-28 Jakub Jelinek <jakub@redhat.com>
819 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
820 following vector keyword has expansion starting with pixel or bool
821 keyword, expand vector to __vector and pixel or bool to __pixel or
825 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
826 warn_if_disallowed_function_p): Removed.
827 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
828 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
829 warning_if_disallowed_function_p.
830 * flags.h (warn_if_disallowed_function_p,
831 warn_disallowed_functions): Removed.
832 * common.opt (Wdisallowed-function-list=): Removed.
833 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
835 2009-03-28 Richard Guenther <rguenther@suse.de>
837 PR tree-optimization/38723
838 * tree-ssa-pre.c (compute_avail): Add all default definitions to
841 2009-03-28 Jan Hubicka <jh@suse.cz>
843 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
844 test introduced by my previous patch.
846 2009-03-28 Richard Guenther <rguenther@suse.de>
848 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
849 the PHIs value undefined.
851 2009-03-28 Jan Hubicka <jh@suse.cz>
853 * tree-pass.h (pass_fixup_cfg): New pass.
854 * ipa-inline.c (inline_transform): Set
855 always_inline_functions_inlined/after_inlining.
856 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
857 (pass_fixup_cfg): New pass.
858 * passes.c (init_optimization_passes): Add fixup_cfg.
860 2009-03-28 Richard Guenther <rguenther@suse.de>
862 PR tree-optimization/38458
863 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
864 argument use the arguments copy-of value.
866 2009-03-28 Richard Guenther <rguenther@suse.de>
868 PR tree-optimization/38180
869 * tree-ssa-ccp.c (get_default_value): Simplify.
870 (likely_value): Likewise.
871 (surely_varying_stmt_p): Properly handle VOP case.
872 (ccp_initialize): Likewise.
873 (ccp_fold): Handle propagating through *&.
874 (fold_const_aggregate_ref): Also handle decls.
876 2009-03-28 Jan Hubicka <jh@suse.cz>
878 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
879 * cgraph.h (cgraph_node): Likewise.
880 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
881 (cgraph_reset_node): Use process flag.
882 (cgraph_mark_functions_to_output): Likewise.
883 (cgraph_expand_function): Likewise.
884 (cgraph_expand_all_functions): Likewise.
885 (cgraph_output_in_order): Likewise.
886 * dwarf2out.c (reference_to_unused): Likewise.
887 * passes.c do_per_function_toporder): Likewise.
889 2009-03-28 Jan Hubicka <jh@suse.cz>
891 Bring from lto-branch:
893 2008-09-03 Doug Kwan <dougkwan@google.com>
895 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
896 enums instead of reason strings.
897 * cgraph.c (cgraph_create_edge): Same.
898 (cgraph_inline_failed_string): New function.
899 * cgraph.h (cgraph_inline_failed_t): New enum type.
900 (cgraph_inline_failed_string): New prototype.
901 (struct cgraph_edge): Change type of INLINED_FAILED from constant
902 char pointer to cgraph_inline_failed_t.
903 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
904 (cgraph_default_inline_p): Ditto.
905 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
906 to cgraph_inline_failed_t pointer.
907 * cif-code.def: New file.
908 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
910 (cgraph_check_inline_limits): Change type of REASON to pointer to
911 cgraph_inline_failed_t. Replace reason strings with enums.
912 (cgraph_default_inline_p): Ditto.
913 (cgraph_recursive_inlining_p): Ditto.
914 (update_caller_keys): Change type of FAILED_REASON to
915 cgraph_inline_failed_t.
916 (cgraph_set_inline_failed): Change type of REASON to pointer to
917 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
918 convert enums to strings for text output.
919 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
920 to be of type cgraph_inline_failed_t. Replace reason strings with
921 enums. Call cgraph_inline_failed_string to covert enums
922 to strings for text output.
923 (cgraph_decide_inlining): Replace reason strings with enums.
924 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
925 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
927 * tree-inline.c (expand_call_inline): Change type of REASON
928 to cgraph_inline_failed_t. Replace reason strings with enums.
929 Call cgraph_inline_failed_string for text output.
930 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
933 2009-03-28 Jan Hubicka <jh@suse.cz>
935 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
936 cgraph_clone_node): Remove master clone handling.
937 (cgraph_is_master_clone, cgraph_master_clone): Remove.
938 * cgraph.h (master_clone): Remove.
939 (cgraph_is_master_clone, cgraph_master_clone): Remove.
940 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
941 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
943 2009-03-28 Jan Hubicka <jh@suse.cz>
945 * cgraph.c (cgraph_function_body_availability): Functions declared
946 inline are always safe to assume that it is not going to be replaced.
948 2009-03-28 Richard Guenther <rguenther@suse.de>
950 PR tree-optimization/38513
951 * tree-ssa-pre.c (eliminate): Remove redundant stores.
952 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
953 EXC_PTR_EXPR and FILTER_EXPR.
954 (get_ref_from_reference_ops): Likewise.
956 2009-03-28 Richard Guenther <rguenther@suse.de>
958 PR tree-optimization/38968
959 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
960 Use FLOOR_MOD_EXPR to compute misalignment.
962 2009-03-28 Richard Guenther <rguenther@suse.de>
964 PR tree-optimization/37795
965 * tree.h (combine_comparisons): Declare.
966 * fold-const.c (combine_comparisons): Export.
967 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
969 (ifcombine_iforif): Use combine_comparisons.
971 2009-03-28 Jan Hubicka <jh@suse.cz>
973 * tree-eh.c (inlinable_call_p): New function.
974 (make_eh_edges): Use it.
975 (verify_eh_edges): Use it.
976 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
977 * except.c (reachable_next_level): Add inlinable_function argument
978 (sjlj_find_directly_reachable_regions): Update.
979 (add_reachable_handler): Do not set saw_any_handlers.
980 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
981 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
982 Add new inlinable call parameter.
983 (can_throw_internal, can_throw_external): Update.
984 * except.h (can_throw_internal_1, can_throw_external_1,
985 foreach_reachable_handler): Update declaration.
987 2009-03-28 Joseph Myers <joseph@codesourcery.com>
989 * config/arm/t-arm-coff, config/h8300/coff.h,
990 config/i386/i386-aout.h, config/i386/i386-coff.h,
991 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
992 config/pdp11/2bsd.h, config/rs6000/aix41.h,
993 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
994 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
995 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
997 * Makefile.in: Remove protoize and fixproto support and references
999 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
1000 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
1002 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
1003 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
1004 unprotoize$(exeext).
1005 (rest.encap): Don't depend on $(STMP_FIXPROTO)
1006 (.PHONY): Don't depend on proto.
1007 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
1008 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
1009 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
1010 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
1011 build/gen-protos.o, build/scan.o, xsys-protos.h,
1012 build/fix-header$(build_exeext), build/fix-header.o,
1013 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
1014 stmp-install-fixproto): Remove.
1015 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
1016 SYSCALLS.c or fixproto files.
1017 (install-common): Don't install protoize.
1018 (install-headers-tar, install-headers-cpio, install-headers-cp):
1019 Don't depend on $(STMP_FIXPROTO).
1020 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
1021 install fixproto files or write out fixproto settings.
1022 (uninstall): Don't uninstall protoize.
1023 * config.gcc (use_fixproto): Remove.
1024 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
1025 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
1026 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
1027 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
1028 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
1029 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
1030 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
1031 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
1032 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
1033 * config/t-vxworks (STMP_FIXPROTO): Remove.
1034 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
1035 STMP_FIXPROTO): Remove.
1036 * config.in, configure: Regenerate.
1037 * crtstuff.c (gid_t, uid_t): Don't undefine.
1038 * doc/install.texi: Change m68k-coff to m68k-elf in example.
1039 (arm-*-coff, arm-*-aout: Remove target entries.
1040 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
1041 Remove mention of AIX 4.1.
1042 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
1043 * doc/invoke.texi (Running Protoize): Remove.
1044 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
1045 (Protoize Caveats): Remove.
1046 * tsystem.h: Update comments on headers assumed to exist.
1048 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
1050 * genautomata.c: Add a new year to the copyright. Add a new
1052 (struct insn_reserv_decl): Add comments for member bypass_list.
1053 (find_bypass): Remove.
1054 (insert_bypass): New.
1055 (process_decls): Use insert_bypass.
1056 (output_internal_insn_latency_func): Output all bypasses with the
1057 same input insn in one switch case.
1059 * rtl.def (define_bypass): Describe bypass choice.
1060 * doc/md.texi (define_bypass): Ditto.
1062 2009-03-27 Richard Guenther <rguenther@suse.de>
1064 * gimplify.c (mark_addressable): Export.
1065 * tree-flow.h (mark_addressable): Declare.
1066 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
1067 * tree-ssa.c (verify_phi_args): Verify that address taken
1068 variables have TREE_ADDRESSABLE set.
1070 2009-03-27 Richard Guenther <rguenther@suse.de>
1072 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
1073 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
1074 Do not mark decls TREE_ADDRESSABLE.
1075 (build_fold_addr_expr): Adjust.
1076 (fold_addr_expr): Remove.
1077 (fold_unary): Use build_fold_addr_expr.
1078 (fold_comparison): Likewise.
1079 (split_address_to_core_and_offset): Likewise.
1080 * coverage.c (tree_coverage_counter_addr): Mark the array decl
1082 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
1083 (gimplify_modify_expr_to_memcpy): Mark source and destination
1085 * omp-low.c (create_omp_child_function): Mark the object decl
1087 (lower_rec_input_clauses): Mark the var we take the address of
1089 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
1091 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1094 * cfgexpand.c (expand_one_stack_var_at): Change alignment
1095 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
1097 2009-03-27 Richard Guenther <rguenther@suse.de>
1099 PR tree-optimization/39120
1100 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
1102 (handle_lhs_call): Process return constraints. Add escape
1103 constraints if necessary.
1104 (handle_const_call): Fill out return constraints. Make nested
1105 case more precise. Avoid consttmp if possible.
1106 (handle_pure_call): Fill out return constraints. Avoid
1107 callused if possible.
1108 (find_func_aliases): Simplify call handling.
1110 2009-03-27 Richard Guenther <rguenther@suse.de>
1112 PR tree-optimization/39120
1113 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
1114 as a representative.
1115 (solve_graph): Do propagate CALLUSED.
1116 (handle_pure_call): Use a scalar constraint from CALLUSED for
1118 (find_what_p_points_to): CALLUSED shall not appear in poins-to
1121 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1124 * c-common.c (handle_aligned_attribute): Properly check alignment
1125 overflow. Use (1U << i) instead of (1 << i).
1127 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
1129 * expr.h (get_mem_align_offset): Updated.
1131 * tree.h (tree_decl_common): Change align to "unsigned int" and
1132 move it before pointer_alias_set.
1134 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1135 Jakub Jelinek <jakub@redhat.com>
1138 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
1139 gr_register_operand with gr_reg_or_0_operand.
1140 (cmpxchg_rel_di): Likewise.
1141 (sync_lock_test_and_set<mode>): Likewise.
1143 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1145 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
1146 (true_regnum): Likewise.
1148 * rtlanal.c (subreg_info): Moved to ...
1149 * rtl.h (subreg_info): Here. New.
1150 (subreg_get_info): New.
1152 * rtlanal.c (subreg_get_info): Make it extern.
1154 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1157 * config/i386/i386.c (ix86_abi): New.
1158 (override_options): Handle -mabi=.
1159 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
1160 (ix86_call_abi_override): Likewise.
1161 (init_cumulative_args): Likewise.
1162 (function_arg_advance): Likewise.
1163 (function_arg_64): Likewise.
1164 (function_arg): Likewise.
1165 (ix86_pass_by_reference): Likewise.
1166 (ix86_function_value_regno_p): Likewise.
1167 (ix86_build_builtin_va_list_abi): Likewise.
1168 (setup_incoming_varargs_64): Likewise.
1169 (is_va_list_char_pointer): Likewise.
1170 (ix86_init_machine_status): Likewise.
1171 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
1172 (ix86_function_type_abi): Return enum calling_abi. Rewrite
1173 for 64bit. Replace DEFAULT_ABI with ix86_abi.
1174 (ix86_function_abi): Make it static and return enum calling_abi.
1175 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
1177 (ix86_fn_abi_va_list): Updated.
1179 * config/i386/i386.h (ix86_abi): New.
1180 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
1181 (CONDITIONAL_REGISTER_USAGE): Likewise.
1182 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
1183 (machine_function): Likewise.
1185 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
1187 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
1188 (STACK_BOUNDARY): Likewise.
1189 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
1191 * config/i386/i386.opt (mabi=): New.
1193 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
1194 return enum calling_abi.
1195 (ix86_function_type_abi): Likewise.
1196 (ix86_function_abi): Removed.
1198 * doc/invoke.texi: Document -mabi= option for x86.
1200 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1202 * builtins.c (real_dconstp): Delete.
1203 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
1205 2009-03-27 Dodji Seketeli <dodji@redhat.com>
1206 Jakub Jelinek <jakub@redhat.com>
1209 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
1210 (gen_subprogram_die): When a function is explicit, generate the
1211 DW_AT_explicit attribute.
1212 * langhooks.h (struct lang_hooks_for_decls): Add
1213 function_decl_explicit_p langhook.
1214 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
1215 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
1217 2009-03-27 Jakub Jelinek <jakub@redhat.com>
1219 * builtins.c (fold_builtin_memory_op): Optimize memmove
1220 into memcpy if we can prove source and destination don't overlap.
1222 * tree-inline.c: Include gt-tree-inline.h.
1223 (clone_fn_id_num): New variable.
1224 (clone_function_name): New function.
1225 (tree_function_versioning): Use it.
1226 * Makefile.in (GTFILES): Add tree-inline.c.
1228 2009-03-27 Mark Mitchell <mark@codesourcery.com>
1230 * BASE-VER: Change to 4.5.0.
1232 2009-03-27 Xinliang David Li <davidxl@google.com>
1234 PR tree-optimization/39557
1235 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
1237 2009-03-27 Xinliang David Li <davidxl@google.com>
1239 PR tree-optimization/39548
1240 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
1243 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1245 * c-common.c (pointer_int_sum): Use %wd on return from
1248 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1250 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
1251 on return from tree_low_cst.
1253 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
1256 * ginclude/stdarg.h (va_copy): Define also for
1257 __GXX_EXPERIMENTAL_CXX0X__.
1259 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1262 * builtins.h (c_strlen): Do not warn here.
1263 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
1264 * c-common.c (pointer_int_sum): Take an explicit location.
1265 Warn about offsets out of bounds.
1266 * c-common.h (pointer_int_sum): Adjust declaration.
1268 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1270 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
1273 2009-03-26 Jakub Jelinek <jakub@redhat.com>
1276 * opts.c (warn_if_disallowed_function_p): Don't assume
1277 get_callee_fndecl must return non-NULL.
1279 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
1281 PR rtl-optimization/39522
1282 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
1283 when reg_reloaded_valid is set.
1285 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1287 * config/spu/divv2df3.c: New file.
1288 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
1289 (DPBIT_FUNCS): Filter out _div_df.
1291 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
1293 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
1294 a jump insn, count that jump in the distance to the loop start.
1296 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
1299 * config/sh/sh.c (calc_live_regs): Fix condition for global
1300 registers except PIC_OFFSET_TABLE_REGNUM.
1302 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
1305 * doc/invoke.texi (-mconsole): New.
1309 (-mnop-fun-dllimport): New.
1313 (sub section "i386 and x86-64 Windows Options"): New.
1315 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
1317 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
1318 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
1320 2009-03-25 Richard Guenther <rguenther@suse.de>
1323 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
1326 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
1328 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
1329 neither of haifa/selective schedulers are working.
1331 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1333 * doc/invoke.texi (Debugging Options): Fix description of
1334 -fno-merge-debug-strings.
1336 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
1338 * config/cris/libgcc.ver: New version-script.
1339 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
1341 * configure.ac <GAS features, nop mnemonic>: Add pattern
1342 crisv32-*-* for "nop".
1343 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
1344 * configure: Regenerate.
1346 2009-03-24 Ira Rosen <irar@il.ibm.com>
1348 PR tree-optimization/39529
1349 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
1350 mark_sym_for_renaming for the tag copied to the new vector
1353 2009-03-24 Arthur Loiret <aloiret@debian.org>
1355 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
1356 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
1357 EXTRA_SPEC_FUNCTIONS.
1358 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
1359 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
1360 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
1361 -march and -mtune options.
1363 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
1365 * config/m68k/t-rtems: Add m5329 multilib.
1367 2009-03-24 Dodji Seketeli <dodji@redhat.com>
1368 Jakub Jelinek <jakub@redhat.com>
1371 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
1374 2009-03-23 Jakub Jelinek <jakub@redhat.com>
1377 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
1378 instead of c_parser_expression_conv, if original_code isn't one of the
1379 4 allowed comparison codes, fail.
1381 2009-03-23 Richard Guenther <rguenther@suse.de>
1383 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
1384 * tree.h (struct tree_type): Likewise.
1385 * reload.h (struct insn_chain): Likewise.
1386 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
1387 * function.h (struct function): Likewise.
1388 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
1390 2009-03-23 Jakub Jelinek <jakub@redhat.com>
1392 PR tree-optimization/39516
1393 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
1395 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
1397 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
1398 should be set true if BITS_PER_WORD of target is bigger than 32
1400 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
1402 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
1403 Translate -B-options to -rpath-link. Correct existing
1404 rpath-link and conditionalize on !nostdlib.
1406 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1408 * doc/extend.texi (Function Attributes, Variable Attributes):
1410 * doc/invoke.texi (Debugging Options, Optimize Options)
1411 (i386 and x86-64 Options, MCore Options): Likewise.
1413 2009-03-20 Jakub Jelinek <jakub@redhat.com>
1416 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
1417 it for block local namespace aliases.
1418 (gen_decl_die): Pass context_die to gen_namespace_die.
1420 2009-03-19 Jakub Jelinek <jakub@redhat.com>
1423 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
1424 minimum or maximum value.
1426 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
1428 * reginfo.c (globalize_reg): Recompute derived reg sets.
1430 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
1433 * libgcc2.c (mprotect): Do not use signed arguments for
1434 VirtualProtect, use DWORD arguments. Also fix the 'may
1435 be used uninitialized' warning for the np variable.
1437 2009-03-19 Jakub Jelinek <jakub@redhat.com>
1440 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
1441 functions using regparm calling conventions when not optimizing.
1442 (ix86_function_sseregparm): Similarly for sseregparm calling
1445 2009-03-19 Li Feng <nemokingdom@gmail.com>
1448 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
1449 dependence if the first conflict is after niter iterations.
1451 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
1454 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
1455 functions with dynamic stack-pointer adjustments.
1457 2009-03-19 Ben Elliston <bje@au.ibm.com>
1459 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
1460 option; change to -msdata=data.
1462 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1464 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
1467 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
1470 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
1472 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
1474 * doc/invoke.texi (Code Gen Options): Expand discussion of
1477 2009-03-18 Jakub Jelinek <jakub@redhat.com>
1479 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
1480 * matrix-reorg.c (struct matrix_info): Likewise.
1481 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
1482 * rtl.h (struct mem_attrs): Likewise.
1483 * df.h (struct df): Likewise.
1484 * tree-data-ref.h (struct data_dependence_relation): Likewise.
1485 * ira-int.h (struct ira_allocno): Likewise.
1486 * df-scan.c (struct df_collection_rec): Likewise.
1487 * ira.c (struct equivalence): Likewise.
1488 * function.c (struct temp_slot): Likewise.
1489 * cfgloop.h (struct loop): Likewise.
1492 * function.c (use_register_for_decl): When not optimizing, disregard
1493 register keyword for variables with types containing methods.
1495 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
1498 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
1499 (is_simple_operand): Call contains_component_ref_p before calling data
1500 reference analysis that would fail on COMPONENT_REFs.
1502 * tree-vrp.c (search_for_addr_array): Fix formatting.
1504 2009-03-18 Richard Guenther <rguenther@suse.de>
1506 * tree-vect-transform.c (vect_loop_versioning): Fold the
1507 generated comparisons.
1508 * tree-vectorizer.c (set_prologue_iterations): Likewise.
1509 (slpeel_tree_peel_loop_to_edge): Likewise.
1511 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1514 * opts.c (print_specific_help): In addition to `undocumented',
1515 accept `separate' and `joined' flags if passed alone. Describe
1516 output by the first matched one of those.
1517 (common_handle_option): Skip over empty strings.
1518 * gcc.c (display_help): Fix help string for `--help='.
1519 * doc/invoke.texi (Option Summary, Overall Options): With
1520 `--help=', classes and qualifiers can both be repeated, but
1521 only the latter can be negated. One should not pass only
1522 negated qualifiers. Fix markup and examples.
1525 2008-10-14 Jakub Jelinek <jakub@redhat.com>
1527 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
1528 and -fhelp=separate.
1530 2009-03-17 Jing Yu <jingyu@google.com>
1533 * function.h (struct rtl_data): Move is_thunk from here...
1534 (struct function): ...to here.
1535 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
1536 * varasm.c (assemble_start_function): Change is_thunk from crtl to
1538 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
1540 (alpha_does_function_need_gp, alpha_start_function): Likewise.
1541 (alpha_output_function_end_prologue): Likewise.
1542 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
1543 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
1544 (rs6000_output_function_epilogue): Likewise.
1545 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
1547 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
1550 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
1551 from different units in a single alternative.
1552 (*truncdfsf_i387): Ditto.
1553 (*truncxfsf2_mixed): Ditto.
1554 (*truncxfdf2_mixed): Ditto.
1556 2009-03-17 Jakub Jelinek <jakub@redhat.com>
1558 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
1559 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
1562 * tree-ssa-live.c (remove_unused_locals): Don't remove local
1563 unused non-artificial variables when not optimizing.
1566 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
1567 DW_TAG_imported_module even if decl is IMPORTED_DECL with
1568 NAMESPACE_DECL in its DECL_INITIAL.
1571 * optabs.c (set_user_assembler_libfunc): New function.
1572 * expr.h (set_user_assembler_libfunc): New prototype.
1573 * c-common.c: Include libfuncs.h.
1574 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
1575 for memcmp, memset, memcpy, memmove and abort.
1576 * Makefile.in (c-common.o): Depend on libfuncs.h.
1579 * dwarf2out.c (gen_inlined_enumeration_type_die,
1580 gen_inlined_structure_type_die, gen_inlined_union_type_die,
1581 gen_tagged_type_instantiation_die): Removed.
1582 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
1585 2009-03-17 Janis Johnson <janis187@us.ibm.com>
1588 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
1590 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
1591 (check-parallel-%): Ditto.
1592 (check-consistency): Ditto.
1594 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
1596 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
1597 local variable rhs by NULL_TREE.
1599 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1602 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
1604 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1607 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
1609 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1612 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
1613 for ms->sysv ABI calls only in 64bit mode.
1615 * config/i386/i386.md (untyped_call): Support 32bit.
1617 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
1619 * doc/extend.texi: Replace x86_65 with x86_64.
1621 2009-03-16 Jakub Jelinek <jakub@redhat.com>
1623 PR tree-optimization/39455
1624 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
1625 mismatches for POINTER_TYPE_P (type).
1626 (number_of_iterations_le): Likewise.
1628 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1630 * config/picochip/picochip.c: Removed profiling support.
1631 * config/picochip/picochip.md: Removed profiling instruction.
1632 * config/picochip/picochip.h: Removed profiling builtin.
1634 2009-03-16 Joseph Myers <joseph@codesourcery.com>
1636 * doc/install.texi (--with-host-libstdcxx): Document.
1638 2009-03-14 Anatoly Sokolov <aesok@post.ru>
1641 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
1642 generate a warning if the function name does not begin with
1643 "__vector" and the function has either the 'signal' or 'interrupt'
1644 attribute, from here to ...
1645 (avr_declare_function_name): ...here. New function.
1646 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
1647 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
1649 2009-03-14 Jakub Jelinek <jakub@redhat.com>
1652 * cse.c (fold_rtx): Don't modify original const_arg1 when
1653 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
1654 separate variable instead.
1655 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
1656 from out of range shift counts.
1657 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
1659 2008-03-13 Catherine Moore <clm@codesourcery.com>
1661 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
1662 diagnostic.h with $(DIAGNOSTIC_H).
1664 2008-03-12 Jakub Jelinek <jakub@redhat.com>
1667 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
1669 * config/i386/sync.md (sync_compare_and_swap<mode>,
1670 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
1671 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
1673 (sync_double_compare_and_swapdi_pic,
1674 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
1675 cmpxchg8b_pic_memory_operand instead of just memory_operand.
1677 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1680 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
1682 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1685 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
1686 (avx_addsubv4df3): Likewise.
1687 (*avx_addsubv4sf3): Likewise.
1688 (sse3_addsubv4sf3): Likewise.
1690 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1693 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
1695 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
1698 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
1699 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
1700 registers for allocnos created from user-defined variables.
1702 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1705 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
1706 of non-integer mode as well.
1708 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
1710 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
1711 for functions for which the parameter types are unknown.
1713 2009-03-11 Jakub Jelinek <jakub@redhat.com>
1716 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
1717 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
1718 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
1719 * config/i386/i386.c (ix86_local_alignment): For
1720 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
1721 long long variables on the stack to avoid dynamic realignment.
1722 Allow the first argument to be a decl rather than type.
1723 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
1725 2009-03-11 Nick Clifton <nickc@redhat.com>
1728 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
1730 Add description to mno-lsim option.
1731 * config/mcore/mcore.h: Remove comment about deprecated m4align
1733 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
1734 * doc/invoke.texi: Add description of mno-lsim and
1735 mstack-increment options.
1737 * config/fr30/fr30.opt: Document the -mno-lsim option.
1738 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
1739 and -mno-lsim options.
1741 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1743 * fold-const.c (fold_comparison): Only call fold_inf_compare
1744 if the mode supports infinities.
1746 2009-03-11 Jason Merrill <jason@redhat.com>
1749 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
1750 end already did. Notice GIMPLE_CALL modifications of the result.
1751 Don't copy debug information from an ignored decl or a decl from
1754 2009-03-10 Richard Guenther <rguenther@suse.de>
1755 Nathan Froyd <froydnj@codesourcery.com>
1758 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
1759 (__divMODE3): Likewise.
1761 2009-03-09 Jakub Jelinek <jakub@redhat.com>
1763 PR tree-optimization/39394
1764 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
1765 DECL_SIZE_UNIT of variable length FIELD_DECLs.
1767 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1769 * recog.c (verfiy_changes): Disallow renaming of hard regs in
1770 inline asms for register asm ("") declarations.
1772 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
1774 * fold-const.c (fold_unary): Fix comment.
1776 2009-03-07 Jan Hubicka <jh@suse.cz>
1779 * tree-inline.c (setup_one_parameter): Do replacement of const
1780 argument by constant in SSA form.
1782 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1785 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
1786 determine alignment passed to assign_stack_local.
1787 (assign_parms_unsplit_complex): Likewise.
1788 * except.c (sjlj_build_landing_pads): Likewise.
1790 2009-03-06 Jakub Jelinek <jakub@redhat.com>
1793 * tree-flow.h (add_referenced_var): Return bool instead of void.
1794 * tree-dfa.c (add_referenced_var): Return result of
1795 referenced_var_check_and_insert call.
1796 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
1797 of referenced_var_check_and_insert.
1800 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
1801 (gen_variable_die): Emit DW_AT_location on abstract static variable's
1802 DIE, don't emit it if abstract origin already has it.
1803 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
1804 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
1806 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1808 * genpreds.c (needs_variable): Fix parentheses at variable name
1810 (write_tm_constrs_h): Indent generated code.
1812 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1814 * doc/extend.texi (Function Attributes): Add documentation
1817 2009-03-06 Jakub Jelinek <jakub@redhat.com>
1820 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
1821 take locus from its DECL_SOURCE_LOCATION instead of input_location.
1823 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
1825 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
1828 2009-03-05 Jakub Jelinek <jakub@redhat.com>
1831 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
1832 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
1834 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
1836 * config/i386/i386.md (R8_REG, R9_REG): New constants.
1837 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
1838 constants instead of magic numbers.
1839 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
1841 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
1842 (x86_64_ms_abi_int_parameter_registers): Ditto.
1843 (x86_64_int_return_registers): Ditto.
1844 (ix86_maybe_switch_abi): Ditto.
1845 (ix86_expand_call): Ditto for clobbered_registers array.
1846 (ix86_hard_regno_mode_ok): Ditto.
1847 (x86_extended_QIreg_mentioned_p): Ditto.
1849 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
1851 PR tree-optimization/39349
1852 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
1854 * combine.c (gen_lowpart_for_combine): Use omode when generating
1857 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
1859 PR rtl-optimization/39235
1860 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
1862 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
1864 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
1866 2009-03-04 Richard Guenther <rguenther@suse.de>
1868 PR tree-optimization/39362
1869 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
1870 that occur in abnormal PHIs should be varying.
1872 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
1874 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
1876 (simple_iv): Take loop as an argument instead of statement.
1877 * tree-scalar-evolution.h (simple_iv): Declaration changed.
1878 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
1880 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
1882 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
1883 * matrix-reorg.c (analyze_transpose): Ditto.
1884 * tree-data-ref.c (dr_analyze_innermost): Ditto.
1885 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
1886 * tree-predcom.c (ref_at_iteration): Ditto.
1887 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
1889 2009-03-04 Richard Guenther <rguenther@suse.de>
1891 PR tree-optimization/39358
1892 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
1893 escaped_id and callused_id.
1894 (solve_graph): Likewise.
1896 2009-03-04 Richard Guenther <rguenther@suse.de>
1898 PR tree-optimization/39339
1899 * tree-sra.c (try_instantiate_multiple_fields): Make it
1900 no longer ICE on the above.
1902 2009-03-03 Joseph Myers <joseph@codesourcery.com>
1904 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
1905 that fits within Pmode.
1907 2009-03-03 Steve Ellcey <sje@cup.hp.com>
1910 * tm.texi (LIBCALL_VALUE): Update description.
1912 2009-03-03 Steve Ellcey <sje@cup.hp.com>
1915 * doc/extend.texi (section): Update description.
1917 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
1920 * tree-inline.c (remapped_type): New.
1921 (can_be_nonlocal): Call remapped_type instead of remap_type.
1923 2009-03-03 Jakub Jelinek <jakub@redhat.com>
1926 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
1927 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
1929 2009-03-03 Richard Guenther <rguenther@suse.de>
1932 * tree.c (tree_nonartificial_location): New function.
1933 * tree.h (tree_nonartificial_location): Declare.
1934 * builtins.c (expand_builtin_memory_chk): Provide location
1935 of the call location for artificial function pieces.
1936 (maybe_emit_chk_warning): Likewise.
1937 (maybe_emit_sprintf_chk_warning): Likewise.
1938 (maybe_emit_free_warning): Likewise.
1939 * expr.c (expand_expr_real_1): Likewise.
1941 2009-03-03 Jakub Jelinek <jakub@redhat.com>
1943 PR tree-optimization/39343
1944 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
1945 COMPONENT_REF t has ARRAY_TYPE.
1947 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
1950 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
1951 when the type precision of the induction variable should be
1952 larger than the type precision of nit.
1953 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
1954 * graphite.c (graphite_loop_normal_form): Same.
1955 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
1957 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
1959 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
1960 (*call_1_rex64_ms_sysv): Use named constants instead of magic
1961 numbers to describe clobbered registers.
1962 (*call_value_0_rex64_ms_sysv): Ditto.
1963 * config/i386/mmx.md (mmx_emms): Ditto.
1966 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
1968 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
1971 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1973 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
1974 (spu_section_type_flags): New function.
1976 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
1978 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
1979 reg_class_contents of FLOAT_REGS into a temporary.
1981 2009-03-02 Richard Guenther <rguenther@suse.de>
1982 Ira Rosen <irar@il.ibm.com>
1984 PR tree-optimization/39318
1985 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
1986 information to the vectorized statement.
1988 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
1990 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
1991 variable. Use defined names instead of magic constants for REX SSE
1994 2009-03-01 Richard Guenther <rguenther@suse.de>
1996 PR tree-optimization/39331
1997 * omp-low.c (lower_send_shared_vars): Do not receive new
1998 values for the reference of DECL_BY_REFERENCE parms or results.
2000 2009-03-01 Jan Hubicka <jh@suse.cz>
2003 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
2004 BLOCK_NONLOCALIZED_VAR): New macros.
2005 (tree_block): Add nonlocalized_vars.
2006 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
2007 gen_decl_die): Add origin argument. Allow generation of die with
2008 origin at hand only.
2009 (gen_member_die, gen_type_die_with_usage, force_decl_die,
2010 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
2012 (gen_block_die): Fix checking for unused blocks.
2013 (process_scope_var): Break out from .... ; work with origins only.
2014 (decls_for_scope) ... here; process nonlocalized list.
2015 (dwarf2out_ignore_block): Look for nonlocalized vars.
2016 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
2018 (dump_scope_block): Dump them.
2019 * tree-inline.c (remap_decls): Handle nonlocalized vars.
2020 (remap_block): Likewise.
2021 (can_be_nonlocal): New predicate.
2022 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
2024 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2026 * configure: Regenerate.
2028 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2030 * optc-gen.awk: No need to duplicate option flags twice.
2031 Reuse help texts for duplicate options which do not have any.
2033 * gcc.c (display_help): Document --version.
2035 * gcc.c (main): If print_help_list and verbose_flag, ensure
2036 driver output comes before subprocess output.
2038 * optc-gen.awk: Assign all remaining fields to help string,
2039 space-separated, for multi-line help in *.opt.
2041 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
2042 -Wno-pedantic-ms-format is for MinGW targets only.
2044 * doc/options.texi (Option file format): Fix bad indentation,
2045 restoring dropped sentence.
2047 2009-02-28 Jan Hubicka <jh@suse.cz>
2049 * tree-inline.c (tree_function_versioning): Output debug info.
2051 2009-02-28 Jan Hubicka <jh@suse.cz>
2054 * tree-inline.c (setup_one_parameter): Do not copy propagate
2055 arguments when not optimizing.
2057 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
2060 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
2061 (avx_addsubv4df3): Likewise.
2062 (*avx_addsubv4sf3): Likewise.
2063 (sse3_addsubv4sf3): Likewise.
2064 (*avx_addsubv2df3): Likewise.
2065 (sse3_addsubv2df3): Likewise.
2066 (avx_unpckhps256): Correct item selectors.
2067 (avx_unpcklps256): Likewise.
2068 (avx_unpckhpd256): Likewise.
2069 (avx_unpcklpd256): Likewise.
2071 2009-02-28 Jan Hubicka <jh@suse.cz>
2073 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
2075 (copy_arguments_for_versioning): If var is declared don't declare it.
2076 (tree_function_versioning): First setup substitutions and then copy
2079 2009-02-27 Jan Hubicka <jh@suse.cz>
2082 * cgraph.h (varpool_output_debug_info): Remove.
2083 * cgraphunit.c (varpool_output_debug_info): Remove.
2084 * dwarf2out.c (deferred_locations_struct): New struct
2085 (deferred_locations): New type.
2086 (deferred_locations_list): New static var.
2087 (deffer_location): New function.
2088 (gen_variable_die): Use it.
2089 (decls_for_scope): Output info on local static vars.
2090 (dwarf2out_finish): Process deferred locations.
2091 * varpool.c (varpool_output_debug_info): Remove.
2093 2009-02-27 Jan Hubicka <jh@suse.cz>
2096 * tree.h (TREE_PROTECTED): Fix comment.
2097 (BLOCK_HANDLER_BLOCK): Remove.
2098 (struct tree_block): Remove handler_block add body_block.
2099 (inlined_function_outer_scope_p): New.
2100 (is_body_block): Remove.
2101 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
2102 * dwarf2out.c (is_inlined_entry_point): Remove.
2103 (add_high_low_attributes): Use inlined_function_outer_scope_p.
2104 (gen_block_die): Use is_inlined_entry_point check. Remove body block
2106 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
2107 * gimplify.c (gimplify_expr): Gimplify body blocks.
2108 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
2109 block with multiple subblocks.
2110 (dump_scope_block): Prettier output; dump more flags and info.
2111 (dump_scope_blocks): New.
2112 (remove_unused_locals): Use dump_scope_blocks.
2113 * tree-flow.h (dump_scope_blocks): Declare.
2114 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
2115 * stmt.c (is_body_block): Remove.
2116 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
2117 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
2119 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
2122 * graphite.c (graphite_loop_normal_form): Do not call
2123 number_of_iterations_exit from a gcc_assert.
2125 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2127 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
2128 jumps if COND is NULL.
2129 (find_cond_jump): New function.
2130 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
2131 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
2133 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
2135 * config/alpha/alpha.h (alpha_expand_mov): Return false if
2136 force_const_mem returns NULL_RTX.
2138 2009-02-26 Jan Hubicka <jh@suse.cz>
2141 * cgraph.h (varpool_output_debug_info): Remove.
2142 * cgraphunit.c (varpool_output_debug_info): Remove.
2143 * dwarf2out.c (deferred_locations_struct): New struct
2144 (deferred_locations): New type.
2145 (deferred_locations_list): New static var.
2146 (deffer_location): New function.
2147 (gen_variable_die): Use it.
2148 (decls_for_scope): Output info on local static vars.
2149 (dwarf2out_finish): Process deferred locations.
2150 * varpool.c (varpool_output_debug_info): Remove.
2152 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
2154 PR rtl-optimization/39241
2155 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
2156 to subreg_offset_representable_p.
2158 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
2160 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
2161 execute function prototype. Get f and nregs from max_reg_num
2162 and get_insns. Remove the first backward pass as it's dead,
2163 guard the forward pass by flag_expensive_optimizations.
2164 (rest_of_handle_regmove): Delete.
2165 (pass_regmove): Replace it with regmove_optimize.
2167 2009-02-25 Martin Jambor <mjambor@suse.cz>
2169 PR tree-optimization/39259
2170 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
2171 calls_alloca function flags.
2172 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
2175 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
2177 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
2178 flags_set_1_rtx, flags_set_1_set): Delete.
2179 (regmove_optimize): Do not call mark_flags_life_zones.
2181 2009-02-24 Julian Brown <julian@codesourcery.com>
2184 * config/arm/arm.c (require_pic_register): Only set
2185 cfun->machine->pic_reg once per function.
2187 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
2189 * doc/invoke.texi (Link Options): Document an easier way to pass
2190 options that take arguments to the GNU linker using -Xlinker and -Wl.
2192 2009-02-24 Steve Ellcey <sje@cup.hp.com>
2195 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
2197 2009-02-24 Richard Guenther <rguenther@suse.de>
2200 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
2202 2009-02-24 Richard Guenther <rguenther@suse.de>
2203 Zdenek Dvorak <ook@ucw.cz>
2205 PR tree-optimization/39233
2206 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
2207 from converting them to a generic type.
2209 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
2211 PR tree-optimization/39260
2212 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
2213 contains a condition with a real type.
2214 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
2216 2009-02-23 Jason Merrill <jason@redhat.com>
2219 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
2220 narrowing_initializer_constant_valid_p.
2221 (narrowing_initializer_constant_valid_p): Don't return
2222 null_pointer_node for adding a pointer to itself.
2224 2009-02-23 Jan Hubicka <jh@suse.cz>
2227 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
2230 2009-02-23 Jan Hubicka <jh@suse.cz>
2232 PR tree-optimization/37709
2233 * tree.c (block_ultimate_origin): Move here from dwarf2out.
2234 * tree.h (block_ultimate_origin): Declare.
2235 * dwarf2out.c (block_ultimate_origin): Move to tree.c
2236 * tree-ssa-live.c (remove_unused_scope_block_p):
2237 Eliminate blocks containig no instructions nor live variables nor
2239 (dump_scope_block): New function.
2240 (remove_unused_locals): Enable removal of dead blocks by default;
2241 enable dumping at TDF_DETAILS.
2243 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2245 * config/i386/i386.c (classify_argument): Don't allow COImode
2247 (function_arg_advance_32): Don't allow OImode.
2248 (function_arg_32): Likewise.
2249 (function_value_32): Likewise.
2250 (return_in_memory_32): Likewise.
2251 (function_arg_64): Remove OImode comment.
2253 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2256 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
2257 ix86_expand_vector_set for V4DImode in 64bit mode only.
2258 (ix86_expand_vector_init_one_var): Likewise.
2260 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
2262 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
2264 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
2267 * loop-iv.c: Revert last change.
2268 * emit-rtl.c: Likewise.
2270 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2273 * config/i386/i386.c (type_natural_mode): Remove an extra
2274 space in the warning message.
2275 (function_value_32): Handle 32-byte vector modes.
2276 (return_in_memory_32): Likewise.
2278 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
2280 * loop-iv.c (truncate_value): New function.
2281 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
2283 (lowpart_subreg): Move to...
2284 * emit-rtl.c: ...here.
2286 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
2288 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
2289 accidental and undocumented change at revision 140860.
2291 2009-02-21 Joseph Myers <joseph@codesourcery.com>
2293 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
2294 take gimple_seq * arguments.
2295 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
2296 types_compatible_p langhook.
2298 2009-02-20 Mark Mitchell <mark@codesourcery.com>
2299 Joseph Myers <joseph@codesourcery.com>
2301 * config/arm/arm.c (arm_builtin_va_list): New function.
2302 (arm_expand_builtin_va_start): Likewise.
2303 (arm_gimplify_va_arg_expr): Likewise.
2304 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
2305 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
2306 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
2307 (va_list_type): New variable.
2308 (arm_mangle_type): Mangle va_list_type appropriately.
2310 2009-02-20 Jakub Jelinek <jakub@redhat.com>
2313 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
2314 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
2315 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
2316 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
2317 parameter to 1000 for -O1 by default.
2318 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
2320 * loop-invariant.c: Include params.h.
2321 (move_loop_invariants): Don't call move_single_loop_invariants on
2324 2009-02-20 Jaka Mocnik <jaka@xlab.si>
2326 * calls.c (emit_library_call_value_1): Use slot_offset instead of
2327 offset when calculating bounds for indexing stack_usage_map. Fixes
2328 a buffer overflow with certain target setups.
2330 2009-02-20 Jakub Jelinek <jakub@redhat.com>
2333 * calls.c (expand_call): Clear try_tail_call if caller and callee
2334 disagree in promotion of function return value.
2336 2009-02-19 Jakub Jelinek <jakub@redhat.com>
2339 * c-common.c (c_determine_visibility): If visibility changed and
2340 DECL_RTL has been already set, call make_decl_rtl to update symbol
2343 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
2346 * varasm.c (assemble_variable): Don't check DECL_NAME when
2347 globalizing a variable.
2349 2009-02-19 Joseph Myers <joseph@codesourcery.com>
2352 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
2353 expression before any __builtin_trap call.
2354 * c-typeck.c (build_function_call): Convert and check function
2355 arguments before generating a call to a trap. Evaluate the
2356 function arguments before the trap.
2358 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
2361 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
2362 (UNSPEC_FXAM_MEM): New unspec.
2363 (fxam<mode>2_i387_with_temp): New insn and split pattern.
2364 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
2365 memory using fxam<mode>2_i387_with_temp to remove excess precision.
2367 2009-02-19 Richard Guenther <rguenther@suse.de>
2369 PR tree-optimization/39207
2370 PR tree-optimization/39074
2371 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
2372 storedanything_tree): New.
2373 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
2374 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
2375 (build_succ_graph): Add edges from STOREDANYTHING to all
2377 (init_base_vars): Initialize STOREDANYTHING.
2378 (compute_points_to_sets): Free substitution info after
2379 building the succ graph.
2380 (ipa_pta_execute): Likewise.
2382 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
2384 (do_ds_constraint): Do not add to special var or non-pointer
2386 (type_could_have_pointers): Split out from ...
2387 (could_have_pointers): ... here. For arrays use the element type.
2388 (create_variable_info_for): Initialize may_have_pointers.
2389 (new_var_info): Likewise.
2390 (handle_lhs_call): Make the HEAP variable unknown-sized.
2391 (intra_create_variable_infos): Use a type with pointers for
2392 PARM_NOALIAS, make it unknown-sized.
2394 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
2397 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
2399 2009-02-18 Jason Merrill <jason@redhat.com>
2402 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
2403 value if DECL_EXTERNAL.
2404 * tree-sra.c (sra_walk_gimple_assign): Likewise.
2405 * target.h (gcc_target::binds_local_p): Clarify "module".
2406 * tree.h (TREE_PUBLIC): Clarify "module".
2408 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
2411 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
2412 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
2414 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
2417 * c.opt (Wabi): Support C and ObjC.
2420 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
2422 * config/i386/i386.c (classify_argument): Warn once about the ABI
2423 change when passing union with long double.
2425 * doc/invoke.texi: Update -Wabi for warning psABI changes.
2427 2009-02-18 Joseph Myers <joseph@codesourcery.com>
2430 * c-parser.c (c_parser_compound_statement): Always enter and leave
2433 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2436 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
2438 2009-02-18 Jakub Jelinek <jakub@redhat.com>
2440 PR tree-optimization/36922
2441 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
2442 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
2445 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2447 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
2450 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2452 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
2454 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2456 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
2459 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
2460 Richard Sandiford <rdsandiford@googlemail.com>
2462 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
2463 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
2464 (loongson_biadd): ...this.
2466 2009-02-17 Richard Guenther <rguenther@suse.de>
2468 PR tree-optimization/39202
2469 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
2470 a var make sure to follow existing collapses.
2472 2009-02-17 Richard Guenther <rguenther@suse.de>
2475 * langhooks.c (lhd_print_error_function): Check for NULL block.
2477 2009-02-17 Richard Guenther <rguenther@suse.de>
2479 PR tree-optimization/39204
2480 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
2483 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
2485 * config/soft-fp/double.h: Update from glibc CVS.
2487 2009-02-17 Richard Guenther <rguenther@suse.de>
2489 PR tree-optimization/39207
2490 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
2491 strict-aliasing warnings for pointers pointing to NULL.
2493 2009-02-16 Joseph Myers <joseph@codesourcery.com>
2496 * c-parser.c (c_parser_braced_init): Call pop_init_level when
2497 skipping until next close brace.
2499 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
2502 * config/i386/i386.c (ix86_expand_push): Set memory alignment
2503 to function argument boundary.
2505 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2507 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
2508 in the lea_add. Reload eventually constraints it properly.
2509 * config/picochip/constraints.md : Remove the target constraint
2510 "b", since it is not needed anymore.
2512 2009-02-16 Jakub Jelinek <jakub@redhat.com>
2514 * gthr-dce.h: Uglify function parameter and local variable names.
2515 * gthr-gnat.h: Likewise.
2516 * gthr-mipssde.h: Likewise.
2517 * gthr-nks.h: Likewise.
2518 * gthr-posix95.h: Likewise.
2519 * gthr-posix.h: Likewise.
2520 * gthr-rtems.h: Likewise.
2521 * gthr-single.h: Likewise.
2522 * gthr-solaris.h: Likewise.
2523 * gthr-tpf.h: Likewise.
2524 * gthr-vxworks.h: Likewise.
2525 * gthr-win32.h: Likewise.
2527 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
2530 * config/i386/i386.md: Restrict the new peephole2 to move
2531 between MMX/SSE registers.
2533 2009-02-15 Richard Guenther <rguenther@suse.de>
2536 2009-02-13 Richard Guenther <rguenther@suse.de>
2538 * configure.ac: Enable LFS.
2539 * configure: Re-generate.
2540 * config.in: Likewise.
2542 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2544 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
2545 spu_srqwbyte, spu_srqwbytebc): Define.
2546 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
2547 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
2548 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
2549 "shrqby_<mode>"): New insn-and-split patterns.
2550 * config/spu/spu.c (expand_builtin_args): Determine and return
2551 number of operands using spu_builtin_description data.
2552 (spu_expand_builtin_1): Use it.
2554 2009-02-13 Steve Ellcey <sje@cup.hp.com>
2557 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
2560 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2563 * config/i386/i386.c (override_options): Correct warning
2564 messages for -malign-loops, -malign-jumps and -malign-functions.
2566 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2569 * config/i386/i386.md: Restrict the new peephole2 to move
2570 between the general purpose registers.
2572 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2575 * config/i386/i386.c (type_natural_mode): Add a new argument.
2576 Return the original mode and warn ABI change if vector size is 32byte.
2577 (function_arg_advance): Updated.
2578 (function_arg): Likewise.
2579 (ix86_function_value): Likewise.
2580 (ix86_return_in_memory): Likewise.
2581 (ix86_sol10_return_in_memory): Likewise.
2582 (ix86_gimplify_va_arg): Likewise.
2583 (function_arg_32): Don't warn ABX ABI change here.
2584 (function_arg_64): Likewise.
2586 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
2588 * loop-iv.c (implies_p): In the final case, test that operands 0
2589 of the two comparisons match.
2591 * config/bfin/bfin.c (find_prev_insn_start): New function.
2592 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
2593 (find_next_insn_start): Move.
2595 2009-02-13 Richard Guenther <rguenther@suse.de>
2597 * configure.ac: Enable LFS.
2598 * configure: Re-generate.
2599 * config.in: Likewise.
2601 2009-02-13 Joseph Myers <joseph@codesourcery.com>
2604 * c-parser.c (c_parser_parms_list_declarator): Discard pending
2605 sizes on syntax error after some arguments have been parsed.
2607 2009-02-12 Jakub Jelinek <jakub@redhat.com>
2609 * doc/invoke.texi (-fira): Remove.
2611 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2613 * caller-save.c: Replace regclass.c with reginfo.c in comments.
2614 * recog.c: Likewise.
2617 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
2619 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
2620 (umul_ppmm): Likewise.
2621 (count_leading_zeros): Likewise.
2622 (count_trailing_zeros): Likewise.
2623 (UMUL_TIME): Likewise.
2625 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2627 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
2628 soft-fp/t-softfp to tmake_file.
2630 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
2631 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
2632 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
2633 IA64_BUILTIN_INFQ]: New.
2634 (ia64_init_builtins): Initialize __builtin_infq,
2635 __builtin_fabsq and __builtin_copysignq if not HPUX.
2636 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
2637 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
2639 * config/ia64/lib1funcs.asm (__divtf3): Define only if
2641 (__fixtfti): Likewise.
2642 (__fixunstfti): Likewise.
2643 (__floattitf): Likewise.
2645 * config/ia64/libgcc-glibc.ver: New.
2646 * config/ia64/t-fprules-softfp: Likewise.
2647 * config/ia64/sfp-machine.h: Likewise.
2649 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
2650 (LIBGCC2_TF_CEXT): Likewise.
2651 (TF_SIZE): Likewise.
2652 (TARGET_INIT_LIBFUNCS): Likewise.
2654 * config/ia64/t-glibc (SHLINB_MAPFILES):
2655 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
2657 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2659 * config/i386/i386.c (construct_container): Rewrite processing
2660 BLKmode with X86_64_SSE_CLASS.
2662 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
2665 * config/i386/i386.md: Replace simplify_replace_rtx with
2666 replace_rtx in the new peephole2.
2668 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
2670 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
2671 loop unrolling do not happen at -O2.
2673 2009-02-12 Michael Matz <matz@suse.de>
2675 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
2677 2009-02-12 Jakub Jelinek <jakub@redhat.com>
2679 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
2682 2009-02-12 Ben Elliston <bje@au.ibm.com>
2684 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
2685 patterns when updating the back chain. Missed in the 2009-02-10
2688 2009-02-11 Janis Johnson <janis187@us.ibm.com>
2690 * doc/extend.texi (Decimal Floating Types): Update identifier of
2691 draft TR and list of missing support.
2693 2009-02-11 Jakub Jelinek <jakub@redhat.com>
2696 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
2697 bit to variable length decl's flags, add it also to its
2698 pointer replacement variable.
2700 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
2701 Jakub Jelinek <jakub@redhat.com>
2704 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
2705 (memory_blockage): New expander.
2706 (*memory_blockage): New insn pattern.
2707 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
2708 instead of general blockage at the end of function prologue when
2709 frame pointer is used to access red zone area. Do not emit blockage
2710 when profiling, it is emitted in generic code.
2711 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
2712 function epilogue when frame pointer is used to access red zone area.
2714 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
2717 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
2718 by arithmetic with memory operands.
2719 * config/i386/predicates.md (commutative_operator): New.
2721 2009-02-10 Janis Johnson <janis187@us.ibm.com>
2723 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
2726 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
2728 * alias.h (record_alias_subset): Declare.
2729 * alias.c (record_alias_subset): Make global.
2731 2009-02-10 Nick Clifton <nickc@redhat.com>
2733 * tree-parloops.c: Change license to GPLv3.
2734 * ipa-struct-reorg.c: Change license to GPLv3.
2735 * ipa-struct-reorg.h: Change license to GPLv3.
2737 2009-02-10 Steve Ellcey <sje@cup.hp.com>
2740 * c-decl.c (start_struct): Return NULL on error.
2742 2009-02-10 Jakub Jelinek <jakub@redhat.com>
2745 * cfgloopmanip.c (remove_path): Call remove_bbs after
2746 cancel_loop_tree, not before it.
2749 * function.h (struct function): Add has_local_explicit_reg_vars bit.
2750 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
2751 VAR_DECLs were seen.
2752 * tree-ssa-live.c (remove_unused_locals): Recompute
2753 cfun->has_local_explicit_reg_vars.
2754 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
2755 copies or clearings if cfun->has_local_explicit_reg_vars.
2757 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
2760 * config/i386/i386.c (expand_prologue): Emit blockage at the end
2761 of function prologue when frame pointer is used to access
2764 2009-02-10 Richard Guenther <rguenther@suse.de>
2767 * gimplify.c (gimple_regimplify_operands): Always look if
2768 we need to create a temporary.
2770 2009-02-10 Richard Guenther <rguenther@suse.de>
2772 PR tree-optimization/39132
2773 * tree-loop-distribution.c (todo): New global var.
2774 (generate_memset_zero): Trigger TODO_rebuild_alias.
2775 (tree_loop_distribution): Return todo.
2777 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
2780 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
2781 (x86_64_reg_class_name): Removed.
2782 (classify_argument): Return 0 if bytes > 32. Return 0 if the
2783 first one isn't X86_64_SSE_CLASS or any other ones aren't
2784 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
2785 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
2786 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
2787 and 3 X86_64_SSEUP_CLASS.
2788 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
2789 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
2791 2009-02-10 Ben Elliston <bje@au.ibm.com>
2793 * config/rs6000/rs6000.md (allocate_stack): Always use an update
2794 form instruction to update the stack back chain word, even if the
2795 user has disabled the generation of update instructions.
2796 (movdi_<mode>_update_stack): New.
2797 (movsi_update_stack): Likewise.
2798 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
2799 always use an update form instruction to update the stack back
2802 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
2805 * graphite.c (if_region_set_false_region): After moving a region in
2806 the false branch of a condition, remove the empty dummy basic block.
2807 (gloog): Remove wrong fix for PR38953.
2809 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2811 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
2812 generation due to implicit sign extension.
2814 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
2817 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
2818 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
2820 2009-02-09 Richard Guenther <rguenther@suse.de>
2823 * convert.c (convert_to_real): Disable (float)fn((double)x)
2824 to fnf(x) conversion if errno differences may occur and
2825 -fmath-errno is set.
2827 2009-02-07 Anatoly Sokolov <aesok@post.ru>
2829 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
2830 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2831 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2833 2009-02-06 Joseph Myers <joseph@codesourcery.com>
2836 * c-common.c (handle_alias_attribute): Disallow attribute for
2837 anything not a FUNCTION_DECL or VAR_DECL.
2839 2009-02-06 Janis Johnson <janis187@us.ibm.com>
2842 * real.c (do_compare): Special-case compare of zero against
2843 decimal float value.
2845 2009-02-06 Joseph Myers <joseph@codesourcery.com>
2848 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
2849 as indicating flexible array members unless the field itself is
2850 being declarared as the incomplete array.
2852 2009-02-06 Jan Hubicka <jh@suse.cz>
2854 PR tree-optimization/38844
2855 * ipa-inline.c (try_inline): Stop inlining recursion when edge
2858 2009-02-06 Richard Guenther <rguenther@suse.de>
2861 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
2862 fork because we may expand it as __gcov_fork.
2864 2009-02-06 Nick Clifton <nickc@redhat.com>
2866 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
2868 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
2870 PR tree-optimization/35659
2871 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
2872 vn_phi_eq): Shortcut if hashcode does not match.
2873 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
2875 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
2876 and avoid iterative_hash_expr.
2877 (FOR_EACH_VALUE_ID_IN_SET): New.
2878 (value_id_compare): Remove.
2879 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
2880 sort expressions by value id.
2882 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
2885 * config/sh/predicates.md (general_movsrc_operand): Don't check
2886 the subreg of system registers here.
2888 2009-02-05 Jakub Jelinek <jakub@redhat.com>
2891 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
2894 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
2896 PR rtl-optimization/39110
2897 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
2898 addresses, not aligned ones.
2900 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
2901 Richard Guenther <rguenther@suse.de>
2903 PR tree-optimization/39100
2904 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
2905 comment says and add edges.
2907 2009-02-05 Joseph Myers <joseph@codesourcery.com>
2910 * c-common.c (handle_tls_model_attribute): Ignore attribute for
2911 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
2913 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
2915 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
2916 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
2917 register_bb_in_sese, new_sese, free_sese): Moved.
2918 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
2919 outermost_loop_in_scop, build_scop_iteration_domain,
2920 expand_scalar_variables_ssa_name, get_vdef_before_scop,
2921 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
2922 Use loop_in_sese_p instead of loop_in_scop_p.
2923 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
2924 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
2925 (scopdet_basic_block_info): Fix bug in scop detection.
2926 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
2927 eq_loop_to_cloog_loop): Remove.
2928 (nb_loops_around_loop_in_scop, nb_loop
2929 ref_nb_loops): Moved here...
2930 * graphite.h (ref_nb_loops): ... from here.
2931 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
2932 (loop_domain_dim, loop_iteration_vector_dim): Remove.
2933 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
2934 * testsuite/gcc.dg/graphite/scop-19.c: New
2936 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
2937 Hans-Peter Nilsson <hp@axis.com>
2939 PR rtl-optimization/37889
2940 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
2941 Move offset handling from PLUS to before the switch. Use new
2942 arguments when considering SYMBOL_REFs too.
2943 (rtx_addr_can_trap_p): Pass dummy offset and size.
2944 (enum may_trap_p_flags): Remove.
2945 (may_trap_p_1): Pass size from MEM_SIZE.
2947 PR rtl-optimization/38921
2948 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
2949 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
2950 * rtlanal.c (may_trap_after_code_motion_p): Delete.
2951 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
2953 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
2955 AVX Programming Reference (January, 2009)
2956 * config/i386/sse.md (*vpclmulqdq): New.
2958 2009-02-04 Jakub Jelinek <jakub@redhat.com>
2960 PR tree-optimization/38977
2961 PR gcov-profile/38292
2962 * calls.c (special_function_p): Disregard __builtin_ prefix.
2964 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
2966 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
2967 non-indexable addresses even before reload.
2969 2009-02-03 Joseph Myers <joseph@codesourcery.com>
2972 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
2973 as having variable size. Do not give an error for unnamed
2974 parameters with [*] declarators. Give a warning for type names
2975 with [*] declarators and mark them as variable size.
2976 * c-parser.c (c_parser_sizeof_expression): Do not give an error
2977 for sizeof applied to [*] type names.
2979 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
2982 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
2984 2009-02-03 Jakub Jelinek <jakub@redhat.com>
2986 * gcc.c (process_command): Update copyright notice dates.
2987 * gcov.c (print_version): Likewise.
2988 * gcov-dump.c (print_version): Likewise.
2989 * mips-tfile.c (main): Likewise.
2990 * mips-tdump.c (main): Likewise.
2992 2009-02-03 Joseph Myers <joseph@codesourcery.com>
2995 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
2996 for composite type involving a zero-length array type.
2998 2009-02-03 Jakub Jelinek <jakub@redhat.com>
3001 * function.c (match_asm_constraints_1): Skip over
3002 initial optional % in the constraint.
3005 * c-parser.c (c_parser_postfix_expression): If fixed point is not
3006 supported, don't accept FIXED_CSTs.
3007 * c-decl.c (finish_declspecs): Error if fixed point is not supported
3008 and _Sat is used without _Fract/_Accum. Set specs->type to
3009 integer_type_node for cts_fract/cts_accum if fixed point is not
3012 2009-02-02 Catherine Moore <clm@codesourcery.com>
3014 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
3016 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
3018 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
3019 (ABI_HAS_64BIT_SYMBOLS): Use it.
3020 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
3022 2009-02-02 Paul Brook <paul@codesourcery.com>
3024 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
3026 2009-02-02 Jakub Jelinek <jakub@redhat.com>
3029 * recog.h (asm_operand_ok): Add constraints argument.
3030 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
3031 recurse on matching constraint.
3032 (check_asm_operands): Pass constraints as 3rd argument to
3033 asm_operand_ok. Don't look up matching constraint here.
3034 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
3037 2009-02-02 Ben Elliston <bje@au.ibm.com>
3039 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
3040 TARGET_NARROW_VOLATILE_BITFIELD macro names.
3042 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3044 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
3045 information. Remove some obsolete information. Reorganize.
3047 * config/pa/fptr.c: Revert license to GPL 2.
3048 * config/pa/milli64.S: Likewise.
3050 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
3053 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
3054 LIBRARY name in, instead of hard-coding it.
3055 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
3056 extra target make frag to tmake_files according to EH model.
3057 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
3058 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
3059 frags that define makefile variable EH_MODEL appropriately.
3060 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
3061 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
3062 to "-sjlj" according to type of EH configured.
3063 (LIBGCC_SONAME): Concatenate it to shared library base name.
3064 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
3065 to "_sjlj" according to type of EH configured.
3066 (LIBGCC_SONAME): Concatenate it to shared library base name.
3067 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
3068 (SHLIB_LINK): Add missing semicolon to if-else construct.
3069 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
3070 string value of "pe_dll" command-line option.
3071 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
3072 (SHLIB_SONAME): Use it when overriding t-cygming default.
3073 (SHLIB_IMPLIB): Override t-cygming default.
3074 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
3075 string value of "pe_dll" command-line option.
3077 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
3080 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
3081 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
3083 2009-01-31 Richard Guenther <rguenther@suse.de>
3085 PR tree-optimization/38937
3086 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
3087 computing the transitive closure.
3089 2009-01-30 Richard Guenther <rguenther@suse.de>
3091 PR tree-optimization/39041
3092 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3093 Propagate variable indices only if the types match for this stmt.
3095 2009-01-30 Jakub Jelinek <jakub@redhat.com>
3098 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
3099 inline but never defined.
3101 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
3103 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
3104 (*insv_h_di_reg_extimm): New insn.
3105 (*insv_l<mode>_reg_extimm): New insn.
3107 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
3109 * config/picochip/picochip.c (flag_conserve_stack): set
3110 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
3111 fconserve-stack. Reduce call-overhead used by inliner.
3113 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
3116 * common.opt (flag_conserve_stack): Initialised to zero.
3118 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
3121 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
3122 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
3125 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
3127 * ira-color.c (allocno_reload_assign): Update comments.
3128 * regmove.c (regmove_optimize): Likewise.
3132 2009-01-29 Robert Millan <rmh@aybabtu.com>
3134 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
3135 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
3136 `MD_UNWIND_SUPPORT'.
3137 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
3139 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
3141 PR tree-optimization/39007
3142 * tree-loop-distribution.c (generate_builtin): Use
3143 recompute_dominator to compute the immediate dominator of the
3144 basic block just after the loop.
3146 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3148 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
3149 (ASM_OUTPUT_DWARF_PCREL): Define.
3151 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
3153 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
3154 * doc/passes.texi: Remove entries about regclass, local-alloc, and
3155 global. Modify entries about regmove and IRA.
3157 * ra-conflict.c: Remove the file.
3159 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
3161 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
3162 (pass_regclass_init): Rename to pass_reginfo_init.
3164 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
3166 * toplev.h (flag_ira): Remove.
3168 * caller-save.c (setup_save_areas): Remove flag_ira.
3170 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
3172 * global.c: Remove the file.
3174 * opts.c (decode_options): Remove flag_ira.
3176 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
3178 * regmove.c: Modify file description.
3179 (find_use_as_address, try_auto_increment): Define them only if
3180 AUTO_INC_DEC is defined.
3181 (replacement_quality, replace_in_call_usage, fixup_match_1,
3182 stable_and_no_regs_but_for_p): Remove.
3183 (reg_set_in_bb): Make it static.
3184 (regmove_optimize): Remove flag_ira and code which worked for
3187 * local-alloc.c: Remove the file.
3189 * common.opt (fira): Remove.
3191 * ira.c: Include except.h.
3192 (eliminable_regset): Move from global.c.
3193 (mark_elimination): Ditto. Remove flag_ira.
3194 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
3195 equiv_mem_modified, validate_equiv_mem_from_store,
3196 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
3197 contains_replace_regs, memref_referenced_p, memref_used_between_p,
3198 no_equiv, recorded_label_ref): Move from local-alloc.c.
3199 (update_equiv_regs): Ditto. Make it static.
3200 (print_insn_chain, print_insn_chains): Move it from global.c.
3201 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
3202 (build_insn_chain): Ditto. Make it static.
3203 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
3204 Rename to init_live_subregs.
3205 (gate_ira): Remove flag_ira.
3207 * regclass.c: Rename reginfo.c. Change file description.
3208 (FORBIDDEN_INC_DEC_CLASSES): Remove.
3209 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
3210 (init_reg_sets_1): Remove code for evaluation of
3211 reg_class_superclasses and losing_caller_save_reg_set.
3212 (init_regs): Remove init_reg_autoinc.
3213 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
3214 ok_for_base_p_nonstrict): Remove.
3215 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
3216 (pass_regclass_init): Rename to pass_reginfo_init. Modify
3217 corresponding entries.
3218 (dump_regclass, record_operand_costs, scan_one_insn,
3219 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
3220 record_address_regs, auto_inc_dec_reg_p): Remove.
3221 (gt-regclass.h): Rename to gt-reginfo.h.
3223 * rtl.h (dump_global_regs, retry_global_alloc,
3224 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
3226 * Makefile.in (RA_H): Remove.
3227 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
3228 Rename regclass.o to reginfo.o.
3229 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
3231 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
3232 (GTFILES): Rename regclass.c to reginfo.c.
3234 * passes.c (init_optimization_passes): Remove pass_local_alloc and
3235 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
3237 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3238 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
3240 (finish_spills): Ditto. Remove code for !flag_ira.
3242 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3245 * doc/invoke.texi (rtl debug options): Complete rewrite.
3246 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
3248 * mode-switching.c (pass_mode_switching): Rename pass from
3249 "mode-sw" to "mode_sw".
3250 * except.c (pass_convert_to_eh_ranges): Rename pass from
3251 "eh-ranges" to "eh_ranges".
3252 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
3256 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
3257 Alexander Monakov <amonakov@ispras.ru>
3260 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
3262 (move_exprs_to_boundary): Change return type and pass through
3263 should_move from move_op. Relax assert. Update usage ...
3264 (schedule_expr_on_boundary): ... here. Use should_move instead of
3266 (move_op_orig_expr_found): Indicate that insn was disconnected from
3268 (code_motion_process_successors): Do not call after_merge_succs
3269 callback if original expression was not found when traversing any of
3271 (code_motion_path_driver): Change return type. Update prototype.
3272 (move_op): Update comment. Add a new parameter (should_move). Update
3273 prototype. Set *should_move based on indication provided by
3274 move_op_orig_expr_found.
3276 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
3278 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
3279 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
3280 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
3281 * config/rs6000/rs6000.c (rs6000_override_options): Default
3282 avoid-indexed-addresses on for Power6, off for everything else.
3283 (avoiding_indexed_address_p): New function.
3284 (rs6000_legitimize_address): Use it.
3285 (rs6000_legitimate_address): Likewise.
3286 * config/rs6000/rs6000.md (movXX_updateX): Likewise
3288 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
3290 PR tree-optimization/38997
3291 * tree-loop-distribution.c (generate_memset_zero): Use
3292 POINTER_PLUS_EXPR for a pointer addition.
3294 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
3296 * config/s390/s390.md (bswap<mode>2): New pattern added.
3298 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3300 * config/s390/s390.md (*tls_load_31): Added type attribute.
3302 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3304 * config/s390/s390.md: Fix a few comments.
3306 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3308 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
3309 (*tm<mode>_full): Fixed z10prop attribute.
3310 (*tst<mode>_extimm): Fixed z10prop attribute.
3311 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
3312 (*tstqiCCT_cconly): Fixed z10prop attribute.
3313 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
3314 (*movsi_larl): Fixed z10prop attribute.
3315 (*movsi_zarch): Fixed z10prop attribute.
3316 (*movsi_eas): Fixed z10prop attribute.
3317 (*movhi): Fixed z10prop attribute.
3318 (*movqi): Fixed z10prop attribute.
3319 (*movstrictqi): Fixed z10prop attribute.
3320 (*mov<mode>): Fixed z10prop attribute.
3321 (*movcc): Fixed z10prop attribute.
3322 (*sethighpartdi_64): Fixed z10prop attribute.
3323 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
3324 (*negdi2_sign_cc): Fixed z10prop attribute.
3325 (*negdi2_sign): Fixed z10prop attribute.
3326 (*absdi2_sign_cc): Fixed z10prop attribute.
3327 (*absdi2_sign): Fixed z10prop attribute.
3328 (*negabsdi2_sign_cc): Fixed z10prop attribute.
3329 (*negabsdi2_sign): Fixed z10prop attribute.
3330 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
3331 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
3332 (doloop_si64): Fixed z10prop attribute.
3333 (doloop_si31): Fixed z10prop attribute.
3334 (doloop_long): Fixed z10prop attribute.
3335 (indirect_jump): Fixed z10prop attribute.
3336 (nop): Fixed z10prop attribute.
3337 (main_base_64): Fixed z10prop attribute.
3338 (reload_base_64): Fixed z10prop attribute.
3340 2009-01-28 Jakub Jelinek <jakub@redhat.com>
3342 PR rtl-optimization/38740
3343 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
3345 * config/mips/mips.c (mips_reorg): Likewise.
3347 2009-01-28 Richard Guenther <rguenther@suse.de>
3349 PR tree-optimization/38926
3350 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
3351 with the correct value id to a value.
3352 (do_regular_insertion): Use the value number of edoubleprime
3353 for the value number of the expr.
3356 2008-08-21 Richard Guenther <rguenther@suse.de>
3358 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
3359 a PHI ask VN if it is already available.
3360 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
3361 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
3363 2009-01-28 Jakub Jelinek <jakub@redhat.com>
3366 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
3367 set to varying whenever max has TREE_OVERFLOW set, similarly
3368 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
3370 2009-01-28 Richard Guenther <rguenther@suse.de>
3373 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
3374 uninitialized aggregate uses in call arguments.
3376 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
3378 PR tree-optimization/38984
3379 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
3380 the nothing_id variable if -fno-delete-null-pointer-checks.
3382 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
3385 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
3386 (set_got_offset_rex64): Ditto.
3388 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
3391 * doc/extend.texi: Improve local variable with asm reg.
3393 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
3395 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
3396 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
3397 was not supplied then set warn_packed_bitfield_compat to the
3399 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
3402 2009-01-27 Richard Guenther <rguenther@suse.de>
3404 PR tree-optimization/38503
3405 * cfgexpand.c (expand_gimple_basic_block): Ignore
3406 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
3407 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
3408 variables that cannot have TBAA applied.
3409 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
3412 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
3415 * calls.c (initialize_argument_information): Do not wrap complex
3416 arguments in SAVE_EXPR.
3418 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
3420 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
3421 (INSTALL_LIBGCC): Revert typo commit.
3423 2009-01-26 Richard Guenther <rguenther@suse.de>
3425 PR tree-optimization/38745
3426 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
3427 from special handling.
3429 2009-01-26 Richard Guenther <rguenther@suse.de>
3431 PR tree-optimization/38745
3432 * tree-ssa.c (execute_update_addresses_taken): Do not include
3433 variables that cannot possibly be a register in not_reg_needs.
3434 Do not clear TREE_ADDRESSABLE on vars that may not become
3436 * tree-ssa.c (update_alias_info_1): Include those in the set
3437 of addressable vars.
3439 2009-01-26 Richard Guenther <rguenther@suse.de>
3442 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
3443 * tree-ssa-dse.c: Include langhooks.h
3444 (execute_simple_dse): Remove stores with zero size.
3446 2009-01-24 Jakub Jelinek <jakub@redhat.com>
3449 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
3452 2009-01-24 Julian Brown <julian@codesourcery.com>
3454 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
3455 config/arm/linux-atomic.c.
3456 * config/arm/linux-atomic.c: New.
3458 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
3460 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
3461 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
3462 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
3464 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
3467 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
3470 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
3472 PR tree-optimization/38953
3473 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3474 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
3475 (gloog): Split the exit of the scop when the scop exit is a loop exit.
3476 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3479 2009-01-24 Paul Brook <paul@codesourcery.com>
3481 * config/arm/neon.md (neon_type): Move to arm.md.
3482 (neon_mov<VSTRUCT>): Add neon_type attribute.
3483 * config/arm/arm.md (neon_type): Move to here.
3484 (conds): Add "unconditioal" and use as default for NEON insns.
3486 2009-01-24 Ben Elliston <bje@au.ibm.com>
3488 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
3489 void *' warning from -Wc++-compat.
3490 * Makefile.in (dominance.o-warn): Remove.
3492 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
3494 PR tree-optimization/38932
3495 * fold-const.c (fold_unary_ignore_overflow): New.
3496 * tree.h (fold_unary_ignore_overflow): Declare.
3497 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
3498 * tree-ssa-sccvn.c (visit_reference_op_load,
3499 simplify_unary_expression): Likewise.
3501 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
3503 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
3504 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
3505 regardless of their type.
3506 * c-common.c (handle_packed_attribute): Don't ignore packed on
3508 * c.opt (Wpacked-bitfield-compat): New warning option.
3509 * stor-layout.c (place_field): Warn if offset of a field changed.
3510 * doc/extend.texi (packed): Mention the ABI change.
3511 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
3512 (Warning Options): Add it to the list.
3514 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
3516 * c-opts.c (c_common_post_options): Fix a typo in comments.
3518 2009-01-22 Steve Ellcey <sje@cup.hp.com>
3521 * gimplify.c (gimplify_init_constructor): Fix promotion of const
3522 variables to static.
3523 * doc/invoke.texi (-fmerge-all-constants): Update description.
3525 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
3528 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
3529 (*movdi_1_rex64): Use type "mmx" for alternative 5.
3531 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
3533 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
3535 (LOCAL_ALIGNMENT): Similarly.
3537 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
3538 Joseph Myers <joseph@codesourcery.com>
3540 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
3541 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
3542 * config/arm/arm-tune.md: Regenerate.
3543 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
3546 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
3548 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
3549 version number to five.
3551 2009-01-22 Dodji Seketeli <dodji@redhat.com>
3554 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
3555 * c-common.c (set_underlying_type): Likewise.
3556 (is_typedef_decl ): Likewise
3558 (set_underlying_type): Likewise.
3559 (is_typedef_type): Likewise.
3561 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
3564 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
3567 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
3570 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
3571 (LIBGCC_SPEC): Don't define.
3572 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
3574 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
3576 PR rtl-optimization/38879
3577 * alias.c (base_alias_check): Unaligned access via AND address can
3578 alias all surrounding object types except those with sizes equal
3579 or wider than the size of unaligned access.
3581 2009-01-21 Dodji Seketeli <dodji@redhat.com>
3584 * c-decl.c (clone_underlying_type): Move this ...
3585 * c-common.c (set_underlying_type): ... here.
3586 Also, make sure the function properly sets TYPE_STUB_DECL() on
3587 the newly created typedef variant type.
3588 (is_typedef_decl ): New entry point.
3589 * tree.h: Added a new member member_types_needing_access_check to
3590 struct tree_decl_non_common.
3591 (set_underlying_type): New entry point.
3592 (is_typedef_type): Likewise.
3594 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
3596 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
3597 Check whether two instructions have memory references that
3598 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
3599 are helper functions for traversing.
3600 * alias.h (insn_alias_sets_confilict_p): New prototypes.
3601 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
3602 not to draw dependency edge for instructions with non-conflicting
3605 2009-01-20 Joseph Myers <joseph@codesourcery.com>
3608 * longlong.h: Update copyright years. Use soft-fp license notice.
3609 Sync __clz_tab declaration with glibc.
3611 2009-01-20 Steve Ellcey <sje@cup.hp.com>
3614 * doc/extend.texi (syscall_linkage): New.
3615 (version_id): Modify.
3617 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
3618 Richard Guenther <rguenther@suse.de>
3620 PR tree-optimization/38747
3621 PR tree-optimization/38748
3622 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
3623 conversion if the base address is an indirect reference and the
3624 aliasing sets could cause issues.
3626 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
3628 * common.opt (fgraphite, fgraphite-identity): Add comment for
3629 explaining why these options are not documented.
3631 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
3633 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3634 gimple_call_lhs is NULL.
3636 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
3639 * emit-rtl.c (adjust_address_1): Make sure memref is never
3642 2009-01-20 Ben Elliston <bje@au.ibm.com>
3644 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
3645 const qualifier from arg parameter. Remove unnecessary cast to char *.
3646 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
3647 const qualifier from arg 2.
3649 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
3651 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
3653 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
3656 * rtl.h (reinit_regs): New prototype.
3657 * regclass.c: Include ira.h.
3659 * Makefile.in (regclass.o): Add ira.h.
3660 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
3662 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
3665 * c-common.c (handle_aligned_attribute): Use
3666 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
3667 default alignment value.
3669 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
3671 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
3672 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
3674 * doc/extend.texi: Update __attribute__ ((aligned)). Document
3675 __BIGGEST_ALIGNMENT__.
3677 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
3679 2009-01-18 Richard Guenther <rguenther@suse.de>
3681 PR tree-optimization/38819
3682 * tree-flow.h (operation_could_trap_helper_p): Declare.
3683 * tree-eh.c (operation_could_trap_helper_p): Export.
3684 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
3685 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
3686 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
3687 are about to insert a possibly trapping instruction and fail
3690 2009-01-18 Andreas Schwab <schwab@suse.de>
3692 * doc/install.texi (Configuration): Remove obsolete paragraph
3693 about use of --with-gnu-ld with --with-gnu-as.
3695 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
3697 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
3698 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
3699 Follow spelling conventions.
3701 2009-01-18 Ben Elliston <bje@au.ibm.com>
3703 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
3704 C++ warning about implicit conversion from void * to struct
3706 (bitmap_obstack_free): Likewise for bitmap_element *.
3707 * Makefile.in (bitmap.o-warn): Remove.
3709 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
3711 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
3713 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
3714 Tobias Grosser <tobi.grosser@amd.com>
3716 * graphite.c (graphite_trans_scop_block): Do not block single
3719 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
3721 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
3722 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
3723 test with assertion.
3725 2009-01-16 Richard Guenther <rguenther@suse.de>
3727 PR tree-optimization/38835
3729 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
3730 and INT + PTR -> (INT)(PTR p+ INT) folding.
3731 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
3733 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
3736 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
3737 the subreg from a lowpart subreg if it is also casting the value.
3739 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
3740 Tobias Grosser <tobi.grosser@amd.com>
3742 * graphite.c (compare_prefix_loops): New.
3743 (build_scop_canonical_schedules): Rewritten.
3744 (graphite_transform_loops): Move build_scop_canonical_schedules
3745 after build_scop_iteration_domain.
3747 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
3748 Tobias Grosser <tobi.grosser@amd.com>
3750 * graphite.c (add_conditions_to_domain): Add the loops to
3751 the dimension of the iteration domain. Do copy the domain
3752 only when it exists.
3753 (build_scop_conditions_1): Do not call add_conditions_to_domain.
3754 (add_conditions_to_constraints): New.
3755 (can_generate_code_stmt, can_generate_code): Removed.
3756 (gloog): Do not call can_generate_code.
3757 (graphite_transform_loops): Call add_conditions_to_constraints
3758 after building the iteration domain.
3760 2009-01-16 Jakub Jelinek <jakub@redhat.com>
3762 PR tree-optimization/38789
3763 * tree-ssa-threadedge.c
3764 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
3765 __builtin_constant_p.
3767 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
3769 * dce.c (delete_unmarked_insns): Reversed the order that insns are
3770 examined before deleting them.
3772 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
3774 * function.c (aggregate_value_p): Correctly extract the function
3775 type from CALL_EXPR_FN lookup.
3777 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3779 * config/picochip/picochip.c (picochip_override_options): Revert
3780 CFI asm flag disable commited previously.
3782 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
3783 Tobias Grosser <tobi.grosser@amd.com>
3784 Jan Sjodin <jan.sjodin@amd.com>
3786 * graphite.c (scan_tree_for_params): On substractions negate
3787 all the coefficients of the term.
3788 (clast_to_gcc_expression_red): New. Handle reduction expressions
3789 of more than two operands.
3790 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3791 (get_vdef_before_scop): Handle also the case of default definitions.
3793 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3795 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
3796 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
3797 Also use them when walking CALL_INSN_FUNCTION_USAGE.
3799 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
3800 Joey Ye <joey.ye@intel.com>
3803 * cfgexpand.c (expand_stack_alignment): Don't update stack
3804 boundary nor check incoming stack boundary here.
3805 (gimple_expand_cfg): Update stack boundary and check incoming
3806 stack boundary here.
3808 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
3810 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
3812 2009-01-14 Jakub Jelinek <jakub@redhat.com>
3814 PR rtl-optimization/38245
3815 * calls.c (expand_call): Add stack arguments to
3816 CALL_INSN_FUNCTION_USAGE even for pure calls (when
3817 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
3818 in regs and partially in memory or BLKmode arguments.
3819 (emit_library_call_value_1): Add stack arguments to
3820 CALL_INSN_FUNCTION_USAGE even for pure calls (when
3821 ACCUMULATE_OUTGOING_ARGS).
3822 * dce.c: Include tm_p.h.
3823 (find_call_stack_args): New function.
3824 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
3826 (mark_insn): Call find_call_stack_args for CALL_Ps.
3827 (prescan_insns_for_dce): Walk insns backwards in bb rather than
3828 forwards. Allocate and free arg_stores bitmap if needed, pass it
3829 down to deletable_insn_p, don't mark stores set in arg_stores
3830 bitmap, clear the bitmap at the beginning of each bb.
3831 * Makefile.in (dce.o): Depend on $(TM_P_H).
3833 2009-01-14 Michael Meissner <gnu@the-meissners.org>
3836 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
3837 to make sure the insn is a conditional test (bug 22599). Reformat a
3840 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
3843 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3844 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3845 (gloog): Do not call cleanup_tree_cfg.
3846 (graphite_transform_loops): Call cleanup_tree_cfg after all
3847 scops have been code generated.
3849 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
3850 * doc/gty.texi (Invoking the garbage collector): Added new node
3851 and section documenting ggc_collect.
3853 2009-01-14 Richard Guenther <rguenther@suse.de>
3855 PR tree-optimization/38826
3857 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
3858 initialization notes only if we actually emitted a warning.
3859 (intra_create_variable_infos): Add constraints for a result decl
3860 that is passed by hidden reference.
3861 (build_pred_graph): Mark all related variables non-direct on
3864 2009-01-14 Nick Clifton <nickc@redhat.com>
3866 * ira-conflicts.c: Include addresses.h for the definition of
3868 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
3869 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
3871 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
3874 * Makefile.in (ira-lives.o): Add except.h.
3876 * ira-lives.c: Include except.h.
3877 (process_bb_node_lives): Process can_throw_internal.
3879 2009-01-13 Jakub Jelinek <jakub@redhat.com>
3881 PR rtl-optimization/38774
3882 * combine.c (simplify_set): When undoing cc_use change, don't do
3883 PUT_CODE on the newly created comparison, but instead put back the
3886 2009-01-13 Joseph Myers <joseph@codesourcery.com>
3888 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
3889 values. Remove duplicate arm8 entry.
3891 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
3893 PR tree-optimization/38786
3894 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3895 the SSA_NAME case of expand_scalar_variables_expr.
3896 Set the type of an expression to the type of its assign statement.
3897 (expand_scalar_variables_expr): Also gather the scalar computation
3898 used to index the memory access. Do not pass loop_p.
3899 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
3900 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3901 the gimple_stmt_iterator where it inserts new code.
3903 (copy_bb_and_scalar_dependences): Do not pass loop_p.
3904 (translate_clast): Update call to copy_bb_and_scalar_dependences.
3906 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
3908 * graphite.h (debug_value): Removed.
3909 * graphite.c (debug_value): Removed.
3911 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
3913 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
3914 ldrd/strd with two 32-bit instructions.
3916 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
3918 * config/arm/arm.c (struct processors): Pass for speed down into
3919 cost helper functions.
3920 (const_ok_for_op): Handle COMPARE and inequality nodes.
3921 (arm_rtx_costs_1): Rewrite.
3922 (arm_size_rtx_costs): Update prototype.
3923 (arm_rtx_costs): Pass speed down to helper functions.
3924 (arm_slowmul_rtx_costs): Rework cost calculations.
3925 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
3926 (arm_9e_rtx_costs): Likewise.
3928 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
3930 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
3931 relocations of local symbols wider than UNITS_PER_WORD are not valid.
3932 (alpha_legitimize_address): Do not split local symbols wider than
3933 UNITS_PER_WORD into HIGH/LO_SUM parts.
3935 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
3938 * gcc.c (process_command): Replace call to execvp with calls
3939 to pex_one and exit.
3941 2009-01-03 Anatoly Sokolov <aesok@post.ru>
3944 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
3945 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
3946 variant for devices with 3-byte PC.
3947 (__tablejump_elpm__): New.
3949 2009-01-12 Jakub Jelinek <jakub@redhat.com>
3952 * c-parser.c (c_parser_postfix_expression): Allow `->' in
3953 offsetof member-designator, handle it as `[0].'.
3955 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3957 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
3958 function when not using named sections on targets with named sections
3959 if branch distance is less than 262132.
3961 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
3963 * combine.c (combine_instructions): Recompute
3964 optimize_this_for_speed_p for each BB in the main combine loop.
3966 2009-01-12 Tomas Bily <tbily@suse.cz>
3969 * tree-loop-distribution.c (prop_phis): New function.
3970 (generate_builtin): Call prop_phis.
3971 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
3973 2009-01-12 Jakub Jelinek <jakub@redhat.com>
3975 PR tree-optimization/38807
3976 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
3977 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
3979 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
3981 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
3982 subreg of op0 to the original op0.
3984 2009-01-11 Laurent GUERBY <laurent@guerby.net>
3986 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
3988 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
3991 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
3992 starting with digits.
3994 2009-01-10 Jakub Jelinek <jakub@redhat.com>
3997 * config/arm/arm.c (arm_is_long_call_p): Don't call
3998 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
4000 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
4002 * regrename.c (regrename_optimize): Fix dumping.
4003 (find_oldest_value_reg): Preserve REG_POINTER.
4004 (copy_hardreg_forward_1): Likewise.
4006 2009-01-09 Diego Novillo <dnovillo@google.com>
4008 * gimple.h (struct gimple_statement_base) <uid>: Document
4009 the restrictions on its use.
4011 (gimple_set_uid): Tidy.
4013 2009-01-09 Jakub Jelinek <jakub@redhat.com>
4015 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
4016 zero guard even if align_bytes != 0 and count is smaller than
4019 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
4021 PR rtl-optimization/38495
4022 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
4023 (add_range_and_copies_from_move_list): Print all added ranges.
4024 Add ranges to memory optimized destination.
4026 2009-01-09 Jakub Jelinek <jakub@redhat.com>
4030 * config/i386/i386.c (override_options): Reject
4031 -mstringop-strategy=rep_8byte with -m32.
4032 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
4033 to 1. Do count comparison against epilogue_size_needed at compile
4034 time even when count_exp was constant forced into register. For
4035 size_needed don't jump to epilogue, instead just avoid aligning
4036 and invoke the body algorithm. If need_zero_guard, add zero guard
4037 even if count is non-zero, but smaller than size_needed + number of
4038 bytes that could be stored for alignment.
4039 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
4040 to 1. If need_zero_guard, add zero guard even if count is non-zero,
4041 but smaller than size_needed + number of bytes that could be stored
4042 for alignment. Compare size_needed with epilogue_size_needed instead
4043 of desired_align - align, don't adjust size_needed, pass
4044 epilogue_size_needed to the epilogue expanders.
4047 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
4049 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4051 * pa.c (last_address): Change to unsigned.
4052 (update_total_code_bytes): Change argument to unsigned. Don't
4053 check if insn addresses are set.
4054 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
4055 addresses are not set.
4056 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
4058 2009-01-09 Nick Clifton <nickc@redhat.com>
4060 * config/sh/symbian.c: Replace uses of DECL_INLINE with
4061 DECL_DECLARED_INLINE_P.
4063 2009-01-09 Jakub Jelinek <jakub@redhat.com>
4066 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
4067 GET_MODE (op0) in operand_subword_force calls.
4070 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
4071 fold_convert arg0 operands to TREE_TYPE (op0) first.
4073 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
4075 * params.def (ira-max-conflict-table-size): Decrease default value
4078 2009-01-08 Jakub Jelinek <jakub@redhat.com>
4080 PR tree-optimization/37031
4081 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
4083 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
4084 allocate it using gc instead of heap, use VEC_quick_push instead of
4086 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
4087 instead of heap, use VEC_quick_push instead of VEC_safe_push.
4088 * tree-data-ref.h (struct access_matrix): Change matrix to gc
4089 allocated vector from heap allocated.
4090 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
4091 * tree-loop-linear.c (linear_transform_loops): Allocate nest
4092 vector only after perfect_loop_nest_depth call.
4094 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
4095 Jan Sjodin <jan.sjodin@amd.com>
4097 PR tree-optimization/38559
4098 * graphite.c (debug_value, copy_constraint,
4099 swap_constraint_variables, scale_constraint_variable, ): New.
4100 (get_lower_bound, get_upper_bound): Removed.
4101 (graphite_trans_bb_strip_mine): Clean up this code that works
4102 only for constant number of iterations. Fully copy upper and
4103 lower bound constraints, not only the constant part of them.
4104 * graphite.h (debug_value): Declared.
4106 2009-01-08 Ira Rosen <irar@il.ibm.com>
4108 PR tree-optimization/37194
4109 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
4110 Don't add the cost of cost model guard in prologue to scalar
4111 outside cost in case of known number of iterations.
4113 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
4114 Alan Modra <amodra@bigpond.net.au>
4116 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
4117 non-word-aligned REG+CONST addressing.
4119 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
4122 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
4123 free_after_compilation when outputting a thunk.
4124 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
4125 Do not call free_after_compilation here.
4127 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
4129 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
4130 (ix86_valid_target_attribute_inner_p): Ditto.
4132 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
4134 PR tree-optimization/38492
4135 PR tree-optimization/38498
4136 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
4137 * tree-chrec.h (scev_is_linear_expression): Declared.
4138 * graphite.c (graphite_cannot_represent_loop_niter): New.
4139 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
4140 (graphite_loop_normal_form): Use gcc_assert.
4141 (scan_tree_for_params): Use CASE_CONVERT.
4142 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
4143 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
4144 Use gcc_assert. Discard scops that contain unhandled cases.
4145 (build_scop_conditions): Return a boolean status for unhandled cases.
4146 (strip_mine_profitable_p): Print the loop number, not its depth.
4147 (is_interchange_valid): Pass the depth of the loop nest, don't
4148 recompute it wrongly.
4149 (graphite_trans_bb_block): Same.
4150 (graphite_trans_bb_block): Print tentative of loop blocking.
4151 (graphite_trans_scop_block): Do not print that the loop has been
4153 (graphite_transform_loops): Do not handle scops that contain condition
4156 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
4158 AVX Programming Reference (December, 2008)
4159 * config/i386/avxintrin.h (_mm256_stream_si256): New.
4160 (_mm256_stream_pd): Likewise.
4161 (_mm256_stream_ps): Likewise.
4163 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
4164 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
4165 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
4166 (bdesc_special_args): Add __builtin_ia32_movntdq256,
4167 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
4168 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
4169 (ix86_expand_special_args_builtin): Likewise.
4171 * config/i386/sse.md (AVXMODEDI): New.
4172 (avx_movnt<mode>): Likewise.
4173 (avx_movnt<mode>): Likewise.
4174 (<sse>_movnt<mode>): Remove AVX support.
4175 (sse2_movntv2di): Likewise.
4177 2009-01-07 Richard Guenther <rguenther@suse.de>
4180 * fold-const.c (extract_muldiv): Remove obsolete comment.
4181 (fold_plusminus_mult_expr): Undo MINUS_EXPR
4182 to PLUS_EXPR canonicalization for the canonicalization.
4184 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
4186 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
4187 hosted cross-compilers generating less efficient code.
4189 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
4191 * function.h (rtl_data): Add a dbr_scheduled_p field.
4192 * reorg.c (dbr_schedule): Set it.
4193 (gate_handle_delay_slots): Check it.
4194 * config/mips/mips.c (mips_base_delayed_branch): Delete.
4195 (mips_reorg): Check flag_delayed_branch instead of
4196 mips_base_delayed_branch.
4197 (mips_override_options): Don't set mips_base_delayed_branch
4198 or flag_delayed_branch.
4200 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
4202 PR rtl-optimization/38426.
4203 * ira.c (ira): Set current_function_is_leaf earlier.
4205 2009-01-06 Jakub Jelinek <jakub@redhat.com>
4207 PR rtl-optimization/38722
4208 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
4209 too early, only set a flag and modify after last possible
4212 2009-01-06 Janis Johnson <janis187@us.ibm.com>
4215 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
4216 * real.c (decimal_single_format): Correct values of emin and emax.
4217 (decimal_double_format): Ditto.
4218 (decimal_quad_format): Ditto.
4219 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
4220 computation of DECnn_MIN and DECnn_MAX for corrected values of
4221 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
4222 __DECnn_MIN__, and adjust its computation for the corrected value
4225 2009-01-06 Jan Hubicka <jh@suse.cz>
4228 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
4230 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
4232 * doc/contrib.texi (Contributors): Slightly adjust the end note.
4233 Add Robert Clark to the list of testers.
4235 2009-01-06 Jan Hubicka <jh@suse.cz>
4236 Kai Tietz <kai.tietz@onevision.com>
4238 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
4239 * config/i386/i386.c (ix86_expand_call): Add clobbers.
4241 2009-01-06 Jan Hubicka <jh@suse.cz>
4242 Kai Tietz <kai.tietz@onevision.com>
4244 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
4246 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
4247 (ix86_nsaved_regs): Count only general purpose regs.
4248 (ix86_nsaved_sseregs): New.
4249 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
4250 to 16 for w64; compute padding and size of sse reg save area.
4251 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
4252 general purpose regs.
4253 (ix86_emit_save_sse_regs_using_mov): New.
4254 (ix86_expand_prologue): Save SSE regs if needed.
4255 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
4256 (ix86_emit_restore_sse_regs_using_mov): New.
4257 (ix86_expand_epilogue): Save SSE regs if needed.
4259 2009-01-06 Jan Hubicka <jh@suse.cz>
4260 Kai Tietz <kai.tietz@onevision.com>
4262 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
4263 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
4264 functions when accumulate outgoing args is off.
4266 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
4269 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
4270 before using pseudos_have_intersected_live_ranges_p.
4272 * ira-int.h (ira_assert): Always define.
4274 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
4276 AVX Programming Reference (December, 2008)
4277 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
4278 (_mm256_permute2_pd): Likewise.
4279 (_mm_permute2_ps): Likewise.
4280 (_mm256_permute2_ps): Likewise.
4281 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
4282 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
4284 * config/i386/i386.c (ix86_builtins): Remove
4285 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
4286 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
4287 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
4288 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
4289 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
4290 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
4291 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
4292 __builtin_ia32_vpermil2ps256.
4293 (ix86_init_mmx_sse_builtins): Updated.
4294 (ix86_expand_args_builtin): Likewise.
4296 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4298 * pa.c (output_call): Relocate non-jump insns in the delay slot of
4299 long absolute calls when generating PA 2.0 code.
4301 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
4303 PR rtl-optimization/38583
4304 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
4306 * params.def (ira-max-conflict-table-size): New.
4308 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
4310 * ira.h (ira_conflicts_p): New external definition.
4312 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
4313 table. Report this. Return result of building.
4314 (ira_build_conflicts): Use ira_conflicts_p. Check result of
4315 building conflict table.
4317 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
4318 (ira_color): Use ira_conflicts_p.
4320 * global.c: Include ira.h.
4321 (pseudo_for_reload_consideration_p, build_insn_chain): Use
4324 * Makefile.in (global.o): Add ira.h.
4326 * ira-build.c (mark_all_loops_for_removal,
4327 propagate_some_info_from_allocno): New.
4328 (remove_unnecessary_allocnos): Call
4329 propagate_some_info_from_allocno.
4330 (remove_low_level_allocnos): New.
4331 (remove_unnecessary_regions): Add parameter. Call
4332 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
4333 parameter to remove_unnecessary_regions.
4334 (ira_build): Remove all regions but root if the conflict table was
4335 not built. Update conflict hard regs for allocnos crossing calls.
4337 * ira.c (ira_conflicts_p): New global.
4338 (ira): Define and use ira_conflicts_p.
4340 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
4341 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
4342 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
4344 2009-01-06 Ben Elliston <bje@au.ibm.com>
4346 * gengtype-lex.l (YY_NO_INPUT): Define.
4348 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
4351 * c-common.c (handle_vector_size_attribute): Also reject
4354 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
4356 PR tree-optimization/38492
4357 * graphite.c (rename_map_elt, debug_rename_elt,
4358 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4359 rename_map_elt_info, eq_rename_map_elts,
4360 get_new_name_from_old_name, bb_in_sese_p): Moved around.
4361 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4362 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4363 (sese_build_livein_liveouts): New.
4364 (new_sese, free_sese): New.
4365 (new_scop): Call new_sese.
4366 (free_scop): Call free_sese.
4367 (rename_variables_from_edge, rename_phis_end_scop): Removed.
4368 (register_old_new_names): Renamed register_old_and_new_names.
4369 (register_scop_liveout_renames, add_loop_exit_phis,
4370 insert_loop_close_phis, struct igp,
4371 default_liveout_before_guard, add_guard_exit_phis,
4372 insert_guard_phis, copy_renames): New.
4373 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4374 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4375 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4376 (scop_adjust_phis_for_liveouts): New.
4377 (gloog): Call scop_adjust_phis_for_liveouts.
4379 * graphite.h (struct sese): Documented. Added fields liveout,
4381 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4382 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4383 (struct scop): Added field liveout_renames.
4384 (SCOP_LIVEOUT_RENAMES): New.
4386 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
4388 PR tree-optimization/38510
4389 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4390 (translate_clast): Call recompute_all_dominators before
4392 (gloog): Call recompute_all_dominators before graphite_verify.
4394 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
4395 Jan Sjodin <jan.sjodin@amd.com>
4397 PR tree-optimization/38500
4398 * graphite.c (create_sese_edges): Call fix_loop_structure after
4401 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
4403 * config.gcc: Add m32r*-*-rtems*.
4404 * config/m32r/rtems.h: New file.
4406 2009-01-05 Ben Elliston <bje@au.ibm.com>
4408 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
4409 (.po.pox): Likewise.
4410 (po/gcc.pot): Likewise.
4412 2009-01-04 David S. Miller <davem@davemloft.net>
4414 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
4415 (STARTING_FRAME_OFFSET): Always set to zero.
4417 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
4419 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
4420 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
4421 fixed-point types, and vectors of the same.
4423 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
4425 * config/mips/sync.md (*mb_barrier): Rename to...
4426 (*memory_barrier): ...this.
4428 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
4430 * doc/extend.texi (Function Attributes): Move @cindex after @item
4431 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
4432 and put in alphabetical order. Fix 'target' name and put in order.
4433 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
4436 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
4438 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
4439 (memory_barrier): Expand as unspec instead of unspec_volatile.
4440 Remove mem:BLK from insn operands. Use Pmode scratch register.
4441 (*memory_barrier): Define as unspec instead of unspec_volatile.
4442 Use (match_dup 0) as input operand.
4444 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
4445 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
4446 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
4447 scratch register. Remove operand 1.
4448 (*stbar): Define as unspec instead of unspec_volatile.
4449 Use (match_dup 0) as input operand, remove (const_int 8).
4450 (*membar): Define as unspec instead of unspec_volatile.
4451 Use (match_dup 0) as input operand, remove input operand 2.
4453 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
4454 (memory_barrier): Expand as unspec instead of unspec_volatile.
4455 Remove mem:BLK from insn operands. Use Pmode scratch register.
4456 (*memory_barrier): Define as unspec instead of unspec_volatile.
4457 Use (match_dup 0) as input operand.
4459 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
4460 Remove mem:BLK from insn operands. Use Pmode scratch register.
4461 Set volatile flag on operand 0.
4462 (*memory_barrier): New insn pattern.
4464 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
4466 (*memory_barrier): Use (match_dup 0) as input operand.
4468 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
4469 Remove mem:BLK from insn operands. Use Pmode scratch register.
4470 Set volatile flag on operand 0.
4471 (*mb_internal): New insn pattern.
4473 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
4475 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
4478 * function.c (struct temp_slot): Move to the section of the file
4479 that deals with temp slots. Remove field 'address'.
4480 (temp_slot_address_table): New hash table of address -> temp slot.
4481 (struct temp_slot_address_entry): New struct, items for the table.
4482 (temp_slot_address_compute_hash, temp_slot_address_hash,
4483 temp_slot_address_eq, insert_temp_slot_address): Support functions
4485 (find_temp_slot_from_address): Rewrite to use the new hash table.
4486 (remove_unused_temp_slot_addresses): Remove addresses of temp
4487 slots that have been made available.
4488 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
4489 worker function for remove_unused_temp_slot_addresses.
4490 (assign_stack_temp_for_type): Don't clear the temp slot address list.
4491 Add the temp slot address to the address -> temp slot map.
4492 (update_temp_slot_address): Update via insert_temp_slot_address.
4493 (free_temp_slots): Call remove_unused_temp_slot_addresses.
4494 (pop_temp_slots): Likewise.
4495 (init_temp_slots): Allocate the address -> temp slot map, or empty
4496 the map if it is already allocated.
4497 (prepare_function_start): Initialize temp slot processing.
4499 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
4502 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
4503 Calculate the size of all stack vars assuming no packing of stack
4504 vars will happen, replacing a quadratic algorithm with a linear one.
4506 2009-01-03 Jakub Jelinek <jakub@redhat.com>
4509 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
4512 2009-01-03 Diego Novillo <dnovillo@google.com>
4514 * doc/contrib.texi: Update contributions.
4516 2009-01-03 Jakub Jelinek <jakub@redhat.com>
4519 * builtins.c (fold_builtin_memory_op): Give up if either operand
4520 is volatile. Set srctype or desttype to non-qualified version
4524 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
4527 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
4529 PR rtl-optimization/35805
4530 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
4531 problem if fast dce is able to remove any instructions.
4532 * dce.c (dce_process_block): Fix dump message.
4534 2009-01-02 Mark Mitchell <mark@codesourcery.com>
4537 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
4539 2009-01-02 Jakub Jelinek <jakub@redhat.com>
4542 * tree-flow.h (op_code_prio, op_prio): New prototypes.
4543 * tree-pretty-print.c (op_code_prio): New function.
4544 (op_prio): No longer static. Use op_code_prio.
4545 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
4546 Use op_prio and op_code_prio to determine if () should be
4547 printed around operand(s) or not.
4549 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
4550 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
4551 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
4552 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
4553 pp_character instead of pp_string for single letter printing.
4555 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4557 * doc/extend.texi: Fix '#pragma GCC option' typo.
4559 2009-01-02 Richard Guenther <rguenther@suse.de>
4561 * doc/install.texi (--enable-checking): Mention different
4563 (--enable-stage1-checking): Document.
4565 2009-01-01 Andrew Pinski <pinskia@gmail.com>
4568 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
4569 case to be an error.
4571 2009-01-02 Ben Elliston <bje@au.ibm.com>
4573 * config/fp-bit.h (pack_d): Constify argument.
4574 * config/fp-bit.c (makenan): Constify return type. Remove casts.
4575 (isnan): Constify argument.
4579 (_fpadd_parts): Constify return type.
4580 (_fpmul_parts): Likewise.
4581 (_fpdiv_parts): Likewise.
4583 2009-01-01 Jakub Jelinek <jakub@redhat.com>
4586 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
4587 warn about overwriting initializer with side-effects or
4588 -Woverride-init if !IMPLICIT.
4589 (output_init_element): Likewise. Pass IMPLICIT down to
4591 (process_init_element): Add IMPLICIT argument. Pass it down
4592 to output_init_element.
4593 (push_init_element, pop_init_level, set_designator): Adjust
4594 process_init_element callers.
4595 (set_nonincremental_init, set_nonincremental_init_from_string):
4596 Adjust add_pending_init callers.
4597 (output_pending_init_elements): Adjust output_init_element callers.
4598 * c-tree.h (process_init_element): Adjust prototype.
4599 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
4600 process_init_element callers.