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 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
30 (simplify_using_assignment, simplify_using_initial_values): Call
31 replace_in_expr to make replacements. Call replace_single_def_regs
32 once on the initial version of the expression.
34 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
37 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
39 2009-03-31 Richard Guenther <rguenther@suse.de>
42 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
43 equality comparisons. Fold C - X CMP X if C % 2 == 1.
45 2009-03-31 Richard Guenther <rguenther@suse.de>
47 * tree.h (div_if_zero_remainder): Declare.
48 * fold-const.c (div_if_zero_remainder): Export.
50 (forward_propagate_addr_into_variable_array_index): Handle
51 constant array index addition outside of the variable index.
53 2009-03-31 Joseph Myers <joseph@codesourcery.com>
56 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
57 define_splits, floatunssi<mode>2): Require x87 conversions from
58 DImode to be permitted.
60 2009-03-31 Joseph Myers <joseph@codesourcery.com>
63 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
65 2009-03-31 Richard Guenther <rguenther@suse.de>
69 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
70 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
71 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
73 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
74 (lookup_tmp_var): Likewise.
75 (is_gimple_formal_tmp_or_call_rhs): Remove.
76 (is_gimple_reg_or_call_rhs): Rename to ...
77 (is_gimple_reg_rhs_or_call): ... this.
78 (is_gimple_mem_or_call_rhs): Rename to ...
79 (is_gimple_mem_rhs_or_call): ... this.
80 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
81 DECL_GIMPLE_REG_P only if is_formal is true.
82 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
83 for non-proper post-modify expression gimplification.
84 (gimplify_self_mod_expr): For post-modify expressions gimplify
85 the lvalue to a minimal lvalue.
86 (rhs_predicate_for): Remove formal temp case.
87 (gimplify_modify_expr_rhs): Likewise.
88 (gimplify_addr_expr): Use is_gimple_reg.
89 (gimplify_expr): Remove formal temp cases.
90 (gimple_regimplify_operands): Likewise.
91 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
92 and FILTER_EXPR like constants.
93 * gimple.c (walk_gimple_op): Fix val_only initialization, use
95 (is_gimple_formal_tmp_rhs): Remove.
96 (is_gimple_reg_rhs): Remove special casing.
97 (is_gimple_mem_rhs): Fix.
98 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
99 (is_gimple_formal_tmp_var): Remove.
100 (is_gimple_formal_tmp_reg): Likewise.
101 (is_gimple_min_lval): Allow invariant component ref parts.
102 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
103 is_gimple_formal_tmp_reg): Remove declarations.
104 * tree-cfg.c (verify_expr): Verify that variables with address
105 taken do not have DECL_GIMPLE_REG_P set.
106 * tree-mudflap.c (mf_build_check_statement_for): Use
107 force_gimple_operand instead of gimplify_expr.
109 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
111 * modulo-sched.c (sms_schedule_by_order): Pass the actual
112 schedulable rows to compute_split_row.
114 2009-03-31 Ben Elliston <bje@au.ibm.com>
117 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
120 2009-03-31 Alan Modra <amodra@bigpond.net.au>
122 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
123 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
124 * configure: Regenerate.
125 * config.in: Regenerate.
126 * config/rs6000/rs6000.opt (mtls-markers): Add.
127 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
128 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
129 (tls_ld_aix, tls_ld_sysv): Likewise.
130 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
131 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
133 2009-03-31 Alan Modra <amodra@bigpond.net.au>
135 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
137 2009-03-30 Jan Hubicka <jh@suse.cz>
139 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
141 (tree_remove_unreachable_handlers): Cleanup EH predecestor
142 detection and label handling.
144 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
146 * ira-int.h (ira_allocno): Rename left_conflicts_num to
148 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
149 ALLOCNO_LEFT_CONFLICTS_SIZE.
151 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
152 remove_allocno_from_bucket_and_push,
153 allocno_spill_priority_compare, push_allocnos_to_stack,
154 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
155 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
156 (setup_allocno_left_conflicts_num): Ditto. Rename to
157 setup_allocno_left_conflicts_size.
158 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
159 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
160 setup_allocno_left_conflicts_size instead of
161 setup_allocno_left_conflicts_num.
163 * ira-build.c (ira_create_allocno): Use
164 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
165 ALLOCNO_LEFT_CONFLICTS_NUM.
167 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
169 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
170 instead of DF_LR_OUT.
172 * ira-lives.c (process_bb_node_lives): Ditto.
174 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
175 instead of DF_LR_{OUT,IN}.
177 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
179 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
181 2009-03-30 Jan Hubicka <jh@suse.cz>
183 * except.c (label_to_region_map): Fix thinko.
185 2009-03-30 Steve Ellcey <sje@cup.hp.com>
188 * tree.h (tree_find_value): New declaration.
189 * tree.c (tree_find_value): New function.
190 * varasm.c (assemble_external): Avoid duplicate entries on lists.
192 2009-03-30 Jakub Jelinek <jakub@redhat.com>
195 * c-decl.c (struct c_binding): Add locus field.
196 (bind): Add locus argument, set locus field from it.
197 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
198 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
199 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
200 implicitly_declare, undeclared_variable, lookup_label,
201 declare_label, c_make_fname_decl, c_builtin_function,
202 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
205 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
208 * config/i386/i386.c (classify_argument): Check total size of
211 2009-03-30 Martin Jambor <mjambor@suse.cz>
213 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
214 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
215 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
218 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
219 seen_variable_array_ref while also traversing a union.
221 * tree-inline.c (optimize_inline_calls): Do not call
222 cgraph_node_remove_callees.
223 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
224 (pass_remove_cgraph_callee_edges): New variable.
225 * passes.c (init_optimization_passes): Add
226 pass_remove_cgraph_callee_edges after early inlining and before all
227 late intraprocedural passes.
229 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
231 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
233 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
236 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
238 * combine.c (simplify_comparison): Use have_insn_for.
239 * dojump.c (do_jump): Likewise.
241 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
243 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
244 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
245 sparc_compare_op0 like sparc_compare_emitted used to be handled.
246 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
247 instead of sparc_compare_emitted.
248 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
249 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
250 instead of sparc_compare_emitted.
252 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
254 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
255 enter/exit cfglayout mode.
256 (pass_partition_block): Require it.
257 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
258 (combine_instructions): Track basic blocks instead of labels.
259 (update_cfg_for_uncondjump): New.
260 (try_combine): Use it. Update jumps after rescanning.
261 (pass_combine): Require PROP_cfglayout.
262 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
264 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
266 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
267 Provide/destroy PROP_cfglayout respectively.
268 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
269 * tree-pass.h (PROP_cfglayout): New.
271 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
273 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
274 fold_convert_const_fixed_from_fixed,
275 fold_convert_const_fixed_from_int,
276 fold_convert_const_fixed_from_real, fold_negate_const): Do not
277 set TREE_CONSTANT_OVERFLOW.
278 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
279 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
281 2009-03-30 Ira Rosen <irar@il.ibm.com>
283 * tree-vect-loop-manip.c: New file.
284 * tree-vectorizer.c: Update documentation and included files.
285 (vect_loop_location): Make extern.
286 (rename_use_op): Move to tree-vect-loop-manip.c
287 (rename_variables_in_bb, rename_variables_in_loop,
288 slpeel_update_phis_for_duplicate_loop,
289 slpeel_update_phi_nodes_for_guard1,
290 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
291 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
292 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
293 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
294 find_loop_location): Likewise.
295 (new_stmt_vec_info): Move to tree-vect-stmts.c.
296 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
297 get_vectype_for_scalar_type, vect_is_simple_use,
298 supportable_widening_operation, supportable_narrowing_operation):
300 (bb_in_loop_p): Move to tree-vect-loop.c.
301 (new_loop_vec_info, destroy_loop_vec_info,
302 reduction_code_for_scalar_code, report_vect_op,
303 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
304 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
305 (vect_supportable_dr_alignment): Likewise.
306 * tree-vectorizer.h (tree-data-ref.h): Include.
307 (vect_loop_location): Declare.
308 Reorganize function declarations according to the new file structure.
309 * tree-vect-loop.c: New file.
310 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
311 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
312 * tree-vect-data-refs.c: New file.
313 * tree-vect-patterns.c (timevar.h): Don't include.
314 * tree-vect-stmts.c: New file.
315 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
316 tree-vect-slp.c, tree-vect-loop.c.
317 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
318 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
319 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
320 (tree-vect-analyze.o): Remove.
321 (tree-vect-transform.o): Likewise.
322 (tree-vect-data-refs.o): Add rule.
323 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
324 tree-vect-slp.o): Likewise.
325 (tree-vect-patterns.o): Remove redundant dependencies.
326 (tree-vectorizer.o): Likewise.
327 * tree-vect-slp.c: New file.
329 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
331 * optc-gen.awk: Warn if an option flag has multiple different
334 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
336 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
337 -floop-block): Document dependences on PPL, CLooG and Graphite.
339 2009-03-30 Joseph Myers <joseph@codesourcery.com>
341 PR rtl-optimization/323
342 * c-common.c (c_fully_fold, convert_and_check,
343 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
344 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
345 * c-common.def (EXCESS_PRECISION_EXPR): New.
346 * c-cppbuiltin.c (builtin_define_float_constants): Define
347 constants with enough digits for long double.
348 * c-lex.c (interpret_float): Interpret constant with excess
349 precision where appropriate.
350 * c-opts.c (c_common_post_options): Set
351 flag_excess_precision_cmdline. Give an error for
352 -fexcess-precision=standard for C++ for processors where the
353 option is significant.
354 * c-parser.c (c_parser_conditional_expression): Handle excess
355 precision in condition.
356 * c-typeck.c (convert_arguments): Handle arguments with excess
358 (build_unary_op): Move excess precision outside operation.
359 (build_conditional_expr): Likewise.
360 (build_compound_expr): Likewise.
361 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
362 (build_modify_expr): Handle excess precision in RHS.
363 (convert_for_assignment): Handle excess precision in converted
365 (digest_init, output_init_element, process_init_element): Handle
366 excess precision in initializer.
367 (c_finish_return): Handle excess precision in return value.
368 (build_binary_op): Handle excess precision in operands and add
369 excess precision as needed for operation.
370 * common.opt (-fexcess-precision=): New option.
371 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
372 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
373 For standard excess precision, output explicit conversion to and
374 truncation from XFmode.
375 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
376 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
377 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
378 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
379 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
380 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
381 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
382 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
383 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
384 define_splits, sqrt<mode>2): Disable where appropriate for
385 standard excess precision.
386 * convert.c (convert_to_real): Do not shorten arithmetic to type
387 for which excess precision would be used.
388 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
389 * doc/invoke.texi (-fexcess-precision=): Document option.
390 (-mfpmath=): Correct index entry.
391 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
392 flag_excess_precision): New.
393 * langhooks.c (lhd_post_options): Set
394 flag_excess_precision_cmdline.
395 * opts.c (common_handle_option): Handle -fexcess-precision=.
396 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
397 init_excess_precision): New.
398 (lang_dependent_init_target): Call init_excess_precision.
399 * tree.c (excess_precision_type): New.
400 * tree.h (excess_precision_type): Declare.
402 2009-03-30 Joseph Myers <joseph@codesourcery.com>
405 * c-typeck.c (build_component_ref): Do not copy qualifiers from
406 non-lvalue to component.
408 2009-03-29 Joseph Myers <joseph@codesourcery.com>
410 PR preprocessor/34695
411 * Makefile.in (c-opts.o): Depend on c-tree.h.
412 * c-common.c: Move down include of diagnostic.h.
413 (done_lexing, c_cpp_error): New.
414 * c-common.h (done_lexing): Declare.
415 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
417 * c-opts.c: Include c-tree.h.
418 (c_common_init_options): Set preprocessor error callback.
419 (c_common_handle_option): Do not set preprocessor
420 inhibit_warnings, warnings_are_errors, warn_system_headers,
421 pedantic_errors or inhibit_warnings flags.
422 (c_common_post_options): Do not check cpp_errors (parse_in).
423 (c_common_finish): Do not output dependencies if there were
424 errors. Do not check return value of cpp_finish.
425 * c-ppoutput.c (pp_file_change): Set input_location.
426 * c-tree.h (c_cpp_error): Declare.
427 * diagnostic.c (diagnostic_set_info_translated): Also initialize
429 (diagnostic_build_prefix): Check override_column.
430 * diagnostic.h (diagnostic_info): Add override_column field.
431 (diagnostic_override_column): Define.
433 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
435 * c-common.c (c_expand_expr, c_staticp): Remove.
436 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
437 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
438 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
439 * c-gimplify.c (gimplify_compound_literal_expr,
440 optimize_compound_literals_in_ctor): Remove.
441 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
442 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
443 * c-semantics.c (emit_local_var): Remove.
445 * langhooks-def.h (lhd_expand_expr): Remove.
446 * langhooks.c (lhd_expand_expr): Remove.
447 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
449 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
450 handling from c-semantics.c; don't call into langhook.
451 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
452 * gimplify.c (gimplify_compound_literal_expr,
453 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
454 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
455 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
456 as was done in c-gimplify.c.
457 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
458 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
459 Move from c-common.h.
460 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
462 * tree.c (staticp): Do not call langhook.
463 * langhooks.c (lhd_staticp): Delete.
464 * langhooks-def.h (lhd_staticp): Delete prototype.
465 (LANG_HOOKS_STATICP): Delete.
466 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
468 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
469 instead of DECL_STMTs.
471 2009-03-29 Joseph Myers <joseph@codesourcery.com>
479 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
481 (fold_call_expr): Return a NOP_EXPR from folding rather than the
482 contained expression.
483 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
484 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
485 conditional expressions for C.
486 (decl_constant_value_for_optimization): Move from
487 decl_constant_value_for_broken_optimization in c-typeck.c. Check
488 whether optimizing and that the expression is a VAR_DECL not of
489 array type instead of doing such checks in the caller. Do not
490 check pedantic. Call gcc_unreachable for C++.
491 * c-common.def (C_MAYBE_CONST_EXPR): New.
492 * c-common.h (c_fully_fold, c_save_expr,
493 decl_constant_value_for_optimization): New prototypes.
494 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
495 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
496 EXPR_INT_CONST_OPERANDS): Define.
497 * c-convert.c (convert): Strip nops from expression.
498 * c-decl.c (groktypename): Take extra parameters expr and
499 expr_const_operands. Update call to grokdeclarator.
500 (start_decl): Update call to grokdeclarator. Add statement for
501 expressions used in type of decl.
502 (grokparm): Update call to grokdeclarator.
503 (push_parm_decl): Update call to grokdeclarator.
504 (build_compound_literal): Add parameter non_const and build a
505 C_MAYBE_COSNT_EXPR if applicable.
506 (grokdeclarator): Take extra parameters expr and
507 expr_const_operands. Track expressions used in declaration
508 specifiers and declarators. Fold array sizes and track whether
509 they are constant expressions and whether they are integer
510 constant expressions.
511 (parser_xref_tag): Set expr and expr_const_operands fields in
513 (grokfield): Update call to grokdeclarator.
514 (start_function): Update call to grokdeclarator.
515 (build_null_declspecs): Set expr and expr_const_operands fields in
517 (declspecs_add_type): Handle expressions in typeof specifiers.
518 * c-parser.c (c_parser_declspecs): Set expr and
519 expr_const_operands fields for declaration specifiers.
520 (c_parser_enum_specifier): Likewise.
521 (c_parser_struct_or_union_specifier): Likewise.
522 (c_parser_typeof_specifier): Likewise. Update call to
523 groktypename. Fold expression as needed. Return expressions with
524 type instead of adding statements.
525 (c_parser_attributes): Update calls to c_parser_expr_list.
526 (c_parser_statement_after_labels): Fold expression before passing
527 to objc_build_throw_stmt.
528 (c_parser_condition): Fold expression.
529 (c_parser_asm_operands): Fold expression.
530 (c_parser_conditional_expression): Use c_save_expr. Update call
531 to build_conditional_expr.
532 (c_parser_alignof_expression): Update call to groktypename.
533 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
534 original_code. Fold expression argument of va_arg. Create
535 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
536 argument to va_arg. Update calls to groktypename. Fold array
537 index for offsetof. Verify that first argument to
538 __builtin_choose_expr has integer type.
539 (c_parser_postfix_expression_after_paren_type): Update calls to
540 groktypename and build_compound_literal. Handle expressions with
541 side effects in type name.
542 (c_parser_postfix_expression_after_primary): Update call to
543 c_parser_expr_list. Set original_code for calls to
544 __builtin_constant_p.
545 (c_parser_expr_list): Take extra parameter fold_p. Fold
546 expressions if requested.
547 (c_parser_objc_type_name): Update call to groktypename.
548 (c_parser_objc_synchronized_statement): Fold expression.
549 (c_parser_objc_receiver): Fold expression.
550 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
551 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
552 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
553 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
554 (struct c_typespec): Add elements expr and expr_const_operands.
555 (struct c_declspecs): Add elements expr and expr_const_operands.
556 (groktypename, build_conditional_expr, build_compound_literal):
558 (in_late_binary_op): Declare.
559 * c-typeck.c (note_integer_operands): New function.
560 (in_late_binary_op): New variable.
561 (decl_constant_value_for_broken_optimization): Move to c-common.c
562 and rename to decl_constant_value_for_optimization.
563 (default_function_array_conversion): Do not strip nops.
564 (default_conversion): Do not call
565 decl_constant_value_for_broken_optimization.
566 (build_array_ref): Do not fold result.
567 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
568 result when operand is a VLA.
569 (c_expr_sizeof_type): Update call to groktypename. Handle
570 expressions included in type name. Use C_MAYBE_CONST_EXPR for
571 result when operand names a VLA type.
572 (build_function_call): Update call to build_compound_literal.
573 Only fold result for calls to __builtin_* functions. Strip
574 NOP_EXPR from INTEGER_CST returned from such functions. Fold
575 the function designator.
576 (convert_arguments): Fold arguments. Update call to
577 convert_for_assignment.
578 (build_unary_op): Handle increment and decrement of
579 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
580 decrement earlier. Fold operand of increment and decrement.
581 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
582 built for integer operand. Wrap returns that are INTEGER_CSTs
583 without being integer constant expressions or that have integer
584 constant operands without being INTEGER_CSTs.
585 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
586 (build_conditional_expr): Add operand ifexp_bcp. Track whether
587 result is an integer constant expression or can be used in
588 unevaluated parts of one and avoid folding and wrap as
589 appropriate. Fold operands before possibly doing -Wsign-compare
591 (build_compound_expr): Wrap result for C99 if operands can be used
592 in integer constant expressions.
593 (build_c_cast): Update call to digest_init. Do not ignore
594 overflow from casting floating-point constants to integers. Wrap
595 results that could be confused with integer constant expressions,
596 null pointer constants or floating-point constants.
597 (c_cast_expr): Update call to groktypename. Handle expressions
598 included in type name.
599 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
600 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
601 Update calls to convert_for_assignment.
602 (convert_for_assignment): Take new parameter
603 null_pointer_constant. Do not strip nops or call
604 decl_constant_value_for_broken_optimization. Set
605 in_late_binary_op for conversions to boolean.
606 (store_init_value): Update call to digest_init.
607 (digest_init): Take new parameter null_pointer_constant. Do not
608 call decl_constant_value_for_broken_optimization. pedwarn for
609 initializers not constant expressions. Update calls to
610 convert_for_assignment.
611 (constructor_nonconst): New.
612 (struct constructor_stack): Add nonconst element.
613 (really_start_incremental_init, push_init_level, pop_init_level):
614 Handle constructor_nonconst and nonconst element.
615 (set_init_index): Call constant_expression_warning for array
617 (output_init_element): Fold value. Set constructor_nonconst as
618 applicable. pedwarn for initializers not constant expressions.
619 Update call to digest_init. Call constant_expression_warning
620 where constant initializers are required.
621 (process_init_element): Use c_save_expr.
622 (c_finish_goto_ptr): Fold expression.
623 (c_finish_return): Fold return value. Update call to
624 convert_for_assignment.
625 (c_start_case): Fold switch expression.
626 (c_process_expr_stmt): Fold expression.
627 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
628 ensure statement expression is not evaluated in constant expression.
629 (build_binary_op): Track whether results are integer constant
630 expressions or may occur in such, disable folding and wrap results
631 as applicable. Fold operands for -Wsign-compare warnings unless
633 (c_objc_common_truthvalue_conversion): Handle results folded to
634 integer constants that are not integer constant expressions.
635 * doc/extend.texi: Document when typeof operands are evaluated,
636 that condition of __builtin_choose_expr is an integer constant
637 expression, and more about use of __builtin_constant_p in
640 2009-03-29 Richard Guenther <rguenther@suse.de>
642 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
643 propagate addresses of array references.
645 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
647 * regmove.c (perhaps_ends_bb_p): Remove.
648 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
649 from INSN and check that the main loop stays within that basic block.
650 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
651 (regmove_forward_pass): Split out from regmove_optimize. Use
652 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
653 (regmove_backward_pass): Split out from regmove_optimize. Use
654 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
655 (regmove_optimize): Simplify.
657 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
660 * config/i386/i386.c (classify_argument): Ignore flexible array
661 member in struct and warn ABI change.
663 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
665 * config/i386/i386-protos.h (ix86_agi_dependent): New.
667 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
668 (ix86_adjust_cost): Updated.
670 2009-03-29 Jan Hubicka <jh@suse.cz>
673 * tree-pass.h (pass_cleanup_eh): New function.
674 (remove_unreachable_regions): Break code handling RTL
675 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
676 that can not be reached by runtime.
677 (can_be_reached_by_runtime): New function.
678 (label_to_region_map): New function.
679 (num_eh_regions): New function.
680 (rtl_remove_unreachable_regions): New function.
681 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
682 (remove_eh_region): New function.
683 * except.h: Include sbitmap and vecprim.
684 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
685 num_eh_regions): Declare.
686 * passes.c (init_optimization_passes): Schedule cleanup_eh.
687 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
688 * tree-eh.c (tree_remove_unreachable_handlers): New function.
689 (tree_empty_eh_handler_p): New function.
690 (cleanup_empty_eh): New function.
691 (cleanup_eh): New function.
692 (pass_cleanup_eh): New function.
694 2009-03-29 Jan Hubicka <jh@suse.cz>
696 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
699 2009-03-29 Jan Hubicka <jh@suse.cz>
701 * except.c (dump_eh_tree): Dump all datastructures.
703 2009-03-29 Jan Hubicka <jh@suse.cz>
705 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
706 (duplicate_eh_regions_1): Likewise.
707 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
708 vector; call EH verification.
709 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
710 Be ready for region being removed.
712 2009-03-29 Jan Hubicka <jh@suse.cz>
714 * bitmap.c (bitmap_last_set_bit): New function.
715 * bitmap.h (bitmap_last_set_bit): Declare.
717 2009-03-29 David Ayers <ayers@fsfe.org>
720 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
721 by calling objc_compare_types and surpress warnings about
722 incompatible C pointers that are compatible ObjC pointers.
724 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
726 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
727 call initialize_inline_failed.
728 (initialize_inline_failed): Move it from here ...
729 * cgraph.c (initialize_inline_failed): ... to here.
730 (cgraph_create_edge): Call initialize_inline_failed rather than
731 setting inline_failed directly.
733 2009-03-29 Ben Elliston <bje@au.ibm.com>
736 * sysv4.opt (msdata): Improve comment.
737 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
738 * sysv4.h (SVR4_ASM_SPEC): Likewise.
740 2009-03-29 Ben Elliston <bje@au.ibm.com>
743 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
744 load and store attributes.
746 2009-03-29 Ben Elliston <bje@au.ibm.com>
748 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
749 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
750 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
751 * doc/extend.texi (X86 Built-in Functions): Add index entries for
752 __builtin_infq and __builtin_huge_valq.
754 2009-03-28 Anatoly Sokolov <aesok@post.ru>
756 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
758 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
759 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
761 2009-03-28 Xinliang David Li <davidxl@google.com>
763 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
764 (do_dbg_cnt): New function.
766 2009-03-28 Jan Hubicka <jh@suse.cz>
768 Merge from pretty-ipa:
770 2009-03-27 Jan Hubicka <jh@suse.cz>
772 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
773 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
774 * passes.c (function_called_by_processed_nodes_p): New.
775 * ipa-pure-const.c (check_call): Fix handling of operands.
776 (analyze_function): Dump debug output for skipped bodies.
777 (local_pure_const): Use function_called_by_processed_nodes_p.
778 * dwarf2out.c (reference_to_unused): Use output.
779 * passes.c (do_per_function_toporder): Likewise.
781 2008-11-12 Jan Hubicka <jh@suse.cz>
783 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
784 * ipa-pure-const.c (funct_state_d): Add can throw field; make
785 state_set_in_source enum
786 (check_decl): Ignore memory tags; do not set fake looping flags;
788 (check_operand, check_tree, check_rhs_var, check_lhs_var,
789 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
790 (check_call, analyze_function): Rewrite.
792 (add_new_function): Update call of analyze_function.
793 (generate_summary): Add call of analyze_function.
794 (propagate): Propagate can_throw; handle state_set_in_source correctly.
795 (local_pure_const): New function.
796 (pass_local_pure_const): New pass.
797 * ipa-inline.c (inline_transform): Set after_inlining.
798 * tree-eh.c (stmt_can_throw_external): New.
799 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
800 work with aliasing built.
801 * tree-flow.h (stmt_can_throw_external): New.
802 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
803 and local pure/const pass in early and late optimization queue.
805 2009-03-28 Martin Jambor <mjambor@suse.cz>
807 * fold-const.c (get_pointer_modulus_and_residue): New parameter
809 (fold_binary): Allow function decl aligment consideration is the
810 second argument is integer constant one.
811 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
812 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
813 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
815 2009-03-28 Jan Hubicka <jh@suse.cz>
817 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
818 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
819 * function.h (rtl_data): Add nothrow flag.
820 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
821 set DECL_NOTHROW for AVAILABLE functions.
823 2009-03-28 Jakub Jelinek <jakub@redhat.com>
825 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
826 following vector keyword has expansion starting with pixel or bool
827 keyword, expand vector to __vector and pixel or bool to __pixel or
831 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
832 warn_if_disallowed_function_p): Removed.
833 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
834 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
835 warning_if_disallowed_function_p.
836 * flags.h (warn_if_disallowed_function_p,
837 warn_disallowed_functions): Removed.
838 * common.opt (Wdisallowed-function-list=): Removed.
839 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
841 2009-03-28 Richard Guenther <rguenther@suse.de>
843 PR tree-optimization/38723
844 * tree-ssa-pre.c (compute_avail): Add all default definitions to
847 2009-03-28 Jan Hubicka <jh@suse.cz>
849 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
850 test introduced by my previous patch.
852 2009-03-28 Richard Guenther <rguenther@suse.de>
854 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
855 the PHIs value undefined.
857 2009-03-28 Jan Hubicka <jh@suse.cz>
859 * tree-pass.h (pass_fixup_cfg): New pass.
860 * ipa-inline.c (inline_transform): Set
861 always_inline_functions_inlined/after_inlining.
862 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
863 (pass_fixup_cfg): New pass.
864 * passes.c (init_optimization_passes): Add fixup_cfg.
866 2009-03-28 Richard Guenther <rguenther@suse.de>
868 PR tree-optimization/38458
869 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
870 argument use the arguments copy-of value.
872 2009-03-28 Richard Guenther <rguenther@suse.de>
874 PR tree-optimization/38180
875 * tree-ssa-ccp.c (get_default_value): Simplify.
876 (likely_value): Likewise.
877 (surely_varying_stmt_p): Properly handle VOP case.
878 (ccp_initialize): Likewise.
879 (ccp_fold): Handle propagating through *&.
880 (fold_const_aggregate_ref): Also handle decls.
882 2009-03-28 Jan Hubicka <jh@suse.cz>
884 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
885 * cgraph.h (cgraph_node): Likewise.
886 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
887 (cgraph_reset_node): Use process flag.
888 (cgraph_mark_functions_to_output): Likewise.
889 (cgraph_expand_function): Likewise.
890 (cgraph_expand_all_functions): Likewise.
891 (cgraph_output_in_order): Likewise.
892 * dwarf2out.c (reference_to_unused): Likewise.
893 * passes.c do_per_function_toporder): Likewise.
895 2009-03-28 Jan Hubicka <jh@suse.cz>
897 Bring from lto-branch:
899 2008-09-03 Doug Kwan <dougkwan@google.com>
901 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
902 enums instead of reason strings.
903 * cgraph.c (cgraph_create_edge): Same.
904 (cgraph_inline_failed_string): New function.
905 * cgraph.h (cgraph_inline_failed_t): New enum type.
906 (cgraph_inline_failed_string): New prototype.
907 (struct cgraph_edge): Change type of INLINED_FAILED from constant
908 char pointer to cgraph_inline_failed_t.
909 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
910 (cgraph_default_inline_p): Ditto.
911 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
912 to cgraph_inline_failed_t pointer.
913 * cif-code.def: New file.
914 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
916 (cgraph_check_inline_limits): Change type of REASON to pointer to
917 cgraph_inline_failed_t. Replace reason strings with enums.
918 (cgraph_default_inline_p): Ditto.
919 (cgraph_recursive_inlining_p): Ditto.
920 (update_caller_keys): Change type of FAILED_REASON to
921 cgraph_inline_failed_t.
922 (cgraph_set_inline_failed): Change type of REASON to pointer to
923 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
924 convert enums to strings for text output.
925 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
926 to be of type cgraph_inline_failed_t. Replace reason strings with
927 enums. Call cgraph_inline_failed_string to covert enums
928 to strings for text output.
929 (cgraph_decide_inlining): Replace reason strings with enums.
930 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
931 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
933 * tree-inline.c (expand_call_inline): Change type of REASON
934 to cgraph_inline_failed_t. Replace reason strings with enums.
935 Call cgraph_inline_failed_string for text output.
936 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
939 2009-03-28 Jan Hubicka <jh@suse.cz>
941 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
942 cgraph_clone_node): Remove master clone handling.
943 (cgraph_is_master_clone, cgraph_master_clone): Remove.
944 * cgraph.h (master_clone): Remove.
945 (cgraph_is_master_clone, cgraph_master_clone): Remove.
946 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
947 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
949 2009-03-28 Jan Hubicka <jh@suse.cz>
951 * cgraph.c (cgraph_function_body_availability): Functions declared
952 inline are always safe to assume that it is not going to be replaced.
954 2009-03-28 Richard Guenther <rguenther@suse.de>
956 PR tree-optimization/38513
957 * tree-ssa-pre.c (eliminate): Remove redundant stores.
958 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
959 EXC_PTR_EXPR and FILTER_EXPR.
960 (get_ref_from_reference_ops): Likewise.
962 2009-03-28 Richard Guenther <rguenther@suse.de>
964 PR tree-optimization/38968
965 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
966 Use FLOOR_MOD_EXPR to compute misalignment.
968 2009-03-28 Richard Guenther <rguenther@suse.de>
970 PR tree-optimization/37795
971 * tree.h (combine_comparisons): Declare.
972 * fold-const.c (combine_comparisons): Export.
973 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
975 (ifcombine_iforif): Use combine_comparisons.
977 2009-03-28 Jan Hubicka <jh@suse.cz>
979 * tree-eh.c (inlinable_call_p): New function.
980 (make_eh_edges): Use it.
981 (verify_eh_edges): Use it.
982 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
983 * except.c (reachable_next_level): Add inlinable_function argument
984 (sjlj_find_directly_reachable_regions): Update.
985 (add_reachable_handler): Do not set saw_any_handlers.
986 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
987 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
988 Add new inlinable call parameter.
989 (can_throw_internal, can_throw_external): Update.
990 * except.h (can_throw_internal_1, can_throw_external_1,
991 foreach_reachable_handler): Update declaration.
993 2009-03-28 Joseph Myers <joseph@codesourcery.com>
995 * config/arm/t-arm-coff, config/h8300/coff.h,
996 config/i386/i386-aout.h, config/i386/i386-coff.h,
997 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
998 config/pdp11/2bsd.h, config/rs6000/aix41.h,
999 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
1000 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
1001 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
1002 sys-types.h: Remove.
1003 * Makefile.in: Remove protoize and fixproto support and references
1005 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
1006 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
1008 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
1009 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
1010 unprotoize$(exeext).
1011 (rest.encap): Don't depend on $(STMP_FIXPROTO)
1012 (.PHONY): Don't depend on proto.
1013 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
1014 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
1015 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
1016 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
1017 build/gen-protos.o, build/scan.o, xsys-protos.h,
1018 build/fix-header$(build_exeext), build/fix-header.o,
1019 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
1020 stmp-install-fixproto): Remove.
1021 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
1022 SYSCALLS.c or fixproto files.
1023 (install-common): Don't install protoize.
1024 (install-headers-tar, install-headers-cpio, install-headers-cp):
1025 Don't depend on $(STMP_FIXPROTO).
1026 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
1027 install fixproto files or write out fixproto settings.
1028 (uninstall): Don't uninstall protoize.
1029 * config.gcc (use_fixproto): Remove.
1030 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
1031 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
1032 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
1033 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
1034 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
1035 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
1036 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
1037 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
1038 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
1039 * config/t-vxworks (STMP_FIXPROTO): Remove.
1040 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
1041 STMP_FIXPROTO): Remove.
1042 * config.in, configure: Regenerate.
1043 * crtstuff.c (gid_t, uid_t): Don't undefine.
1044 * doc/install.texi: Change m68k-coff to m68k-elf in example.
1045 (arm-*-coff, arm-*-aout: Remove target entries.
1046 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
1047 Remove mention of AIX 4.1.
1048 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
1049 * doc/invoke.texi (Running Protoize): Remove.
1050 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
1051 (Protoize Caveats): Remove.
1052 * tsystem.h: Update comments on headers assumed to exist.
1054 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
1056 * genautomata.c: Add a new year to the copyright. Add a new
1058 (struct insn_reserv_decl): Add comments for member bypass_list.
1059 (find_bypass): Remove.
1060 (insert_bypass): New.
1061 (process_decls): Use insert_bypass.
1062 (output_internal_insn_latency_func): Output all bypasses with the
1063 same input insn in one switch case.
1065 * rtl.def (define_bypass): Describe bypass choice.
1066 * doc/md.texi (define_bypass): Ditto.
1068 2009-03-27 Richard Guenther <rguenther@suse.de>
1070 * gimplify.c (mark_addressable): Export.
1071 * tree-flow.h (mark_addressable): Declare.
1072 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
1073 * tree-ssa.c (verify_phi_args): Verify that address taken
1074 variables have TREE_ADDRESSABLE set.
1076 2009-03-27 Richard Guenther <rguenther@suse.de>
1078 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
1079 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
1080 Do not mark decls TREE_ADDRESSABLE.
1081 (build_fold_addr_expr): Adjust.
1082 (fold_addr_expr): Remove.
1083 (fold_unary): Use build_fold_addr_expr.
1084 (fold_comparison): Likewise.
1085 (split_address_to_core_and_offset): Likewise.
1086 * coverage.c (tree_coverage_counter_addr): Mark the array decl
1088 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
1089 (gimplify_modify_expr_to_memcpy): Mark source and destination
1091 * omp-low.c (create_omp_child_function): Mark the object decl
1093 (lower_rec_input_clauses): Mark the var we take the address of
1095 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
1097 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1100 * cfgexpand.c (expand_one_stack_var_at): Change alignment
1101 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
1103 2009-03-27 Richard Guenther <rguenther@suse.de>
1105 PR tree-optimization/39120
1106 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
1108 (handle_lhs_call): Process return constraints. Add escape
1109 constraints if necessary.
1110 (handle_const_call): Fill out return constraints. Make nested
1111 case more precise. Avoid consttmp if possible.
1112 (handle_pure_call): Fill out return constraints. Avoid
1113 callused if possible.
1114 (find_func_aliases): Simplify call handling.
1116 2009-03-27 Richard Guenther <rguenther@suse.de>
1118 PR tree-optimization/39120
1119 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
1120 as a representative.
1121 (solve_graph): Do propagate CALLUSED.
1122 (handle_pure_call): Use a scalar constraint from CALLUSED for
1124 (find_what_p_points_to): CALLUSED shall not appear in poins-to
1127 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1130 * c-common.c (handle_aligned_attribute): Properly check alignment
1131 overflow. Use (1U << i) instead of (1 << i).
1133 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
1135 * expr.h (get_mem_align_offset): Updated.
1137 * tree.h (tree_decl_common): Change align to "unsigned int" and
1138 move it before pointer_alias_set.
1140 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1141 Jakub Jelinek <jakub@redhat.com>
1144 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
1145 gr_register_operand with gr_reg_or_0_operand.
1146 (cmpxchg_rel_di): Likewise.
1147 (sync_lock_test_and_set<mode>): Likewise.
1149 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1151 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
1152 (true_regnum): Likewise.
1154 * rtlanal.c (subreg_info): Moved to ...
1155 * rtl.h (subreg_info): Here. New.
1156 (subreg_get_info): New.
1158 * rtlanal.c (subreg_get_info): Make it extern.
1160 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1163 * config/i386/i386.c (ix86_abi): New.
1164 (override_options): Handle -mabi=.
1165 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
1166 (ix86_call_abi_override): Likewise.
1167 (init_cumulative_args): Likewise.
1168 (function_arg_advance): Likewise.
1169 (function_arg_64): Likewise.
1170 (function_arg): Likewise.
1171 (ix86_pass_by_reference): Likewise.
1172 (ix86_function_value_regno_p): Likewise.
1173 (ix86_build_builtin_va_list_abi): Likewise.
1174 (setup_incoming_varargs_64): Likewise.
1175 (is_va_list_char_pointer): Likewise.
1176 (ix86_init_machine_status): Likewise.
1177 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
1178 (ix86_function_type_abi): Return enum calling_abi. Rewrite
1179 for 64bit. Replace DEFAULT_ABI with ix86_abi.
1180 (ix86_function_abi): Make it static and return enum calling_abi.
1181 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
1183 (ix86_fn_abi_va_list): Updated.
1185 * config/i386/i386.h (ix86_abi): New.
1186 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
1187 (CONDITIONAL_REGISTER_USAGE): Likewise.
1188 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
1189 (machine_function): Likewise.
1191 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
1193 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
1194 (STACK_BOUNDARY): Likewise.
1195 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
1197 * config/i386/i386.opt (mabi=): New.
1199 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
1200 return enum calling_abi.
1201 (ix86_function_type_abi): Likewise.
1202 (ix86_function_abi): Removed.
1204 * doc/invoke.texi: Document -mabi= option for x86.
1206 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1208 * builtins.c (real_dconstp): Delete.
1209 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
1211 2009-03-27 Dodji Seketeli <dodji@redhat.com>
1212 Jakub Jelinek <jakub@redhat.com>
1215 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
1216 (gen_subprogram_die): When a function is explicit, generate the
1217 DW_AT_explicit attribute.
1218 * langhooks.h (struct lang_hooks_for_decls): Add
1219 function_decl_explicit_p langhook.
1220 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
1221 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
1223 2009-03-27 Jakub Jelinek <jakub@redhat.com>
1225 * builtins.c (fold_builtin_memory_op): Optimize memmove
1226 into memcpy if we can prove source and destination don't overlap.
1228 * tree-inline.c: Include gt-tree-inline.h.
1229 (clone_fn_id_num): New variable.
1230 (clone_function_name): New function.
1231 (tree_function_versioning): Use it.
1232 * Makefile.in (GTFILES): Add tree-inline.c.
1234 2009-03-27 Mark Mitchell <mark@codesourcery.com>
1236 * BASE-VER: Change to 4.5.0.
1238 2009-03-27 Xinliang David Li <davidxl@google.com>
1240 PR tree-optimization/39557
1241 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
1243 2009-03-27 Xinliang David Li <davidxl@google.com>
1245 PR tree-optimization/39548
1246 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
1249 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1251 * c-common.c (pointer_int_sum): Use %wd on return from
1254 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1256 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
1257 on return from tree_low_cst.
1259 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
1262 * ginclude/stdarg.h (va_copy): Define also for
1263 __GXX_EXPERIMENTAL_CXX0X__.
1265 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1268 * builtins.h (c_strlen): Do not warn here.
1269 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
1270 * c-common.c (pointer_int_sum): Take an explicit location.
1271 Warn about offsets out of bounds.
1272 * c-common.h (pointer_int_sum): Adjust declaration.
1274 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1276 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
1279 2009-03-26 Jakub Jelinek <jakub@redhat.com>
1282 * opts.c (warn_if_disallowed_function_p): Don't assume
1283 get_callee_fndecl must return non-NULL.
1285 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
1287 PR rtl-optimization/39522
1288 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
1289 when reg_reloaded_valid is set.
1291 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1293 * config/spu/divv2df3.c: New file.
1294 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
1295 (DPBIT_FUNCS): Filter out _div_df.
1297 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
1299 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
1300 a jump insn, count that jump in the distance to the loop start.
1302 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
1305 * config/sh/sh.c (calc_live_regs): Fix condition for global
1306 registers except PIC_OFFSET_TABLE_REGNUM.
1308 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
1311 * doc/invoke.texi (-mconsole): New.
1315 (-mnop-fun-dllimport): New.
1319 (sub section "i386 and x86-64 Windows Options"): New.
1321 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
1323 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
1324 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
1326 2009-03-25 Richard Guenther <rguenther@suse.de>
1329 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
1332 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
1334 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
1335 neither of haifa/selective schedulers are working.
1337 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1339 * doc/invoke.texi (Debugging Options): Fix description of
1340 -fno-merge-debug-strings.
1342 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
1344 * config/cris/libgcc.ver: New version-script.
1345 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
1347 * configure.ac <GAS features, nop mnemonic>: Add pattern
1348 crisv32-*-* for "nop".
1349 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
1350 * configure: Regenerate.
1352 2009-03-24 Ira Rosen <irar@il.ibm.com>
1354 PR tree-optimization/39529
1355 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
1356 mark_sym_for_renaming for the tag copied to the new vector
1359 2009-03-24 Arthur Loiret <aloiret@debian.org>
1361 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
1362 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
1363 EXTRA_SPEC_FUNCTIONS.
1364 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
1365 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
1366 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
1367 -march and -mtune options.
1369 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
1371 * config/m68k/t-rtems: Add m5329 multilib.
1373 2009-03-24 Dodji Seketeli <dodji@redhat.com>
1374 Jakub Jelinek <jakub@redhat.com>
1377 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
1380 2009-03-23 Jakub Jelinek <jakub@redhat.com>
1383 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
1384 instead of c_parser_expression_conv, if original_code isn't one of the
1385 4 allowed comparison codes, fail.
1387 2009-03-23 Richard Guenther <rguenther@suse.de>
1389 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
1390 * tree.h (struct tree_type): Likewise.
1391 * reload.h (struct insn_chain): Likewise.
1392 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
1393 * function.h (struct function): Likewise.
1394 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
1396 2009-03-23 Jakub Jelinek <jakub@redhat.com>
1398 PR tree-optimization/39516
1399 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
1401 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
1403 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
1404 should be set true if BITS_PER_WORD of target is bigger than 32
1406 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
1408 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
1409 Translate -B-options to -rpath-link. Correct existing
1410 rpath-link and conditionalize on !nostdlib.
1412 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1414 * doc/extend.texi (Function Attributes, Variable Attributes):
1416 * doc/invoke.texi (Debugging Options, Optimize Options)
1417 (i386 and x86-64 Options, MCore Options): Likewise.
1419 2009-03-20 Jakub Jelinek <jakub@redhat.com>
1422 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
1423 it for block local namespace aliases.
1424 (gen_decl_die): Pass context_die to gen_namespace_die.
1426 2009-03-19 Jakub Jelinek <jakub@redhat.com>
1429 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
1430 minimum or maximum value.
1432 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
1434 * reginfo.c (globalize_reg): Recompute derived reg sets.
1436 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
1439 * libgcc2.c (mprotect): Do not use signed arguments for
1440 VirtualProtect, use DWORD arguments. Also fix the 'may
1441 be used uninitialized' warning for the np variable.
1443 2009-03-19 Jakub Jelinek <jakub@redhat.com>
1446 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
1447 functions using regparm calling conventions when not optimizing.
1448 (ix86_function_sseregparm): Similarly for sseregparm calling
1451 2009-03-19 Li Feng <nemokingdom@gmail.com>
1454 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
1455 dependence if the first conflict is after niter iterations.
1457 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
1460 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
1461 functions with dynamic stack-pointer adjustments.
1463 2009-03-19 Ben Elliston <bje@au.ibm.com>
1465 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
1466 option; change to -msdata=data.
1468 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1470 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
1473 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
1476 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
1478 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
1480 * doc/invoke.texi (Code Gen Options): Expand discussion of
1483 2009-03-18 Jakub Jelinek <jakub@redhat.com>
1485 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
1486 * matrix-reorg.c (struct matrix_info): Likewise.
1487 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
1488 * rtl.h (struct mem_attrs): Likewise.
1489 * df.h (struct df): Likewise.
1490 * tree-data-ref.h (struct data_dependence_relation): Likewise.
1491 * ira-int.h (struct ira_allocno): Likewise.
1492 * df-scan.c (struct df_collection_rec): Likewise.
1493 * ira.c (struct equivalence): Likewise.
1494 * function.c (struct temp_slot): Likewise.
1495 * cfgloop.h (struct loop): Likewise.
1498 * function.c (use_register_for_decl): When not optimizing, disregard
1499 register keyword for variables with types containing methods.
1501 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
1504 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
1505 (is_simple_operand): Call contains_component_ref_p before calling data
1506 reference analysis that would fail on COMPONENT_REFs.
1508 * tree-vrp.c (search_for_addr_array): Fix formatting.
1510 2009-03-18 Richard Guenther <rguenther@suse.de>
1512 * tree-vect-transform.c (vect_loop_versioning): Fold the
1513 generated comparisons.
1514 * tree-vectorizer.c (set_prologue_iterations): Likewise.
1515 (slpeel_tree_peel_loop_to_edge): Likewise.
1517 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1520 * opts.c (print_specific_help): In addition to `undocumented',
1521 accept `separate' and `joined' flags if passed alone. Describe
1522 output by the first matched one of those.
1523 (common_handle_option): Skip over empty strings.
1524 * gcc.c (display_help): Fix help string for `--help='.
1525 * doc/invoke.texi (Option Summary, Overall Options): With
1526 `--help=', classes and qualifiers can both be repeated, but
1527 only the latter can be negated. One should not pass only
1528 negated qualifiers. Fix markup and examples.
1531 2008-10-14 Jakub Jelinek <jakub@redhat.com>
1533 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
1534 and -fhelp=separate.
1536 2009-03-17 Jing Yu <jingyu@google.com>
1539 * function.h (struct rtl_data): Move is_thunk from here...
1540 (struct function): ...to here.
1541 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
1542 * varasm.c (assemble_start_function): Change is_thunk from crtl to
1544 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
1546 (alpha_does_function_need_gp, alpha_start_function): Likewise.
1547 (alpha_output_function_end_prologue): Likewise.
1548 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
1549 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
1550 (rs6000_output_function_epilogue): Likewise.
1551 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
1553 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
1556 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
1557 from different units in a single alternative.
1558 (*truncdfsf_i387): Ditto.
1559 (*truncxfsf2_mixed): Ditto.
1560 (*truncxfdf2_mixed): Ditto.
1562 2009-03-17 Jakub Jelinek <jakub@redhat.com>
1564 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
1565 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
1568 * tree-ssa-live.c (remove_unused_locals): Don't remove local
1569 unused non-artificial variables when not optimizing.
1572 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
1573 DW_TAG_imported_module even if decl is IMPORTED_DECL with
1574 NAMESPACE_DECL in its DECL_INITIAL.
1577 * optabs.c (set_user_assembler_libfunc): New function.
1578 * expr.h (set_user_assembler_libfunc): New prototype.
1579 * c-common.c: Include libfuncs.h.
1580 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
1581 for memcmp, memset, memcpy, memmove and abort.
1582 * Makefile.in (c-common.o): Depend on libfuncs.h.
1585 * dwarf2out.c (gen_inlined_enumeration_type_die,
1586 gen_inlined_structure_type_die, gen_inlined_union_type_die,
1587 gen_tagged_type_instantiation_die): Removed.
1588 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
1591 2009-03-17 Janis Johnson <janis187@us.ibm.com>
1594 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
1596 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
1597 (check-parallel-%): Ditto.
1598 (check-consistency): Ditto.
1600 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
1602 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
1603 local variable rhs by NULL_TREE.
1605 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1608 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
1610 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1613 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
1615 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1618 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
1619 for ms->sysv ABI calls only in 64bit mode.
1621 * config/i386/i386.md (untyped_call): Support 32bit.
1623 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
1625 * doc/extend.texi: Replace x86_65 with x86_64.
1627 2009-03-16 Jakub Jelinek <jakub@redhat.com>
1629 PR tree-optimization/39455
1630 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
1631 mismatches for POINTER_TYPE_P (type).
1632 (number_of_iterations_le): Likewise.
1634 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1636 * config/picochip/picochip.c: Removed profiling support.
1637 * config/picochip/picochip.md: Removed profiling instruction.
1638 * config/picochip/picochip.h: Removed profiling builtin.
1640 2009-03-16 Joseph Myers <joseph@codesourcery.com>
1642 * doc/install.texi (--with-host-libstdcxx): Document.
1644 2009-03-14 Anatoly Sokolov <aesok@post.ru>
1647 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
1648 generate a warning if the function name does not begin with
1649 "__vector" and the function has either the 'signal' or 'interrupt'
1650 attribute, from here to ...
1651 (avr_declare_function_name): ...here. New function.
1652 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
1653 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
1655 2009-03-14 Jakub Jelinek <jakub@redhat.com>
1658 * cse.c (fold_rtx): Don't modify original const_arg1 when
1659 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
1660 separate variable instead.
1661 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
1662 from out of range shift counts.
1663 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
1665 2008-03-13 Catherine Moore <clm@codesourcery.com>
1667 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
1668 diagnostic.h with $(DIAGNOSTIC_H).
1670 2008-03-12 Jakub Jelinek <jakub@redhat.com>
1673 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
1675 * config/i386/sync.md (sync_compare_and_swap<mode>,
1676 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
1677 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
1679 (sync_double_compare_and_swapdi_pic,
1680 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
1681 cmpxchg8b_pic_memory_operand instead of just memory_operand.
1683 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1686 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
1688 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1691 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
1692 (avx_addsubv4df3): Likewise.
1693 (*avx_addsubv4sf3): Likewise.
1694 (sse3_addsubv4sf3): Likewise.
1696 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1699 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
1701 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
1704 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
1705 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
1706 registers for allocnos created from user-defined variables.
1708 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1711 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
1712 of non-integer mode as well.
1714 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
1716 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
1717 for functions for which the parameter types are unknown.
1719 2009-03-11 Jakub Jelinek <jakub@redhat.com>
1722 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
1723 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
1724 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
1725 * config/i386/i386.c (ix86_local_alignment): For
1726 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
1727 long long variables on the stack to avoid dynamic realignment.
1728 Allow the first argument to be a decl rather than type.
1729 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
1731 2009-03-11 Nick Clifton <nickc@redhat.com>
1734 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
1736 Add description to mno-lsim option.
1737 * config/mcore/mcore.h: Remove comment about deprecated m4align
1739 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
1740 * doc/invoke.texi: Add description of mno-lsim and
1741 mstack-increment options.
1743 * config/fr30/fr30.opt: Document the -mno-lsim option.
1744 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
1745 and -mno-lsim options.
1747 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1749 * fold-const.c (fold_comparison): Only call fold_inf_compare
1750 if the mode supports infinities.
1752 2009-03-11 Jason Merrill <jason@redhat.com>
1755 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
1756 end already did. Notice GIMPLE_CALL modifications of the result.
1757 Don't copy debug information from an ignored decl or a decl from
1760 2009-03-10 Richard Guenther <rguenther@suse.de>
1761 Nathan Froyd <froydnj@codesourcery.com>
1764 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
1765 (__divMODE3): Likewise.
1767 2009-03-09 Jakub Jelinek <jakub@redhat.com>
1769 PR tree-optimization/39394
1770 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
1771 DECL_SIZE_UNIT of variable length FIELD_DECLs.
1773 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1775 * recog.c (verfiy_changes): Disallow renaming of hard regs in
1776 inline asms for register asm ("") declarations.
1778 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
1780 * fold-const.c (fold_unary): Fix comment.
1782 2009-03-07 Jan Hubicka <jh@suse.cz>
1785 * tree-inline.c (setup_one_parameter): Do replacement of const
1786 argument by constant in SSA form.
1788 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1791 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
1792 determine alignment passed to assign_stack_local.
1793 (assign_parms_unsplit_complex): Likewise.
1794 * except.c (sjlj_build_landing_pads): Likewise.
1796 2009-03-06 Jakub Jelinek <jakub@redhat.com>
1799 * tree-flow.h (add_referenced_var): Return bool instead of void.
1800 * tree-dfa.c (add_referenced_var): Return result of
1801 referenced_var_check_and_insert call.
1802 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
1803 of referenced_var_check_and_insert.
1806 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
1807 (gen_variable_die): Emit DW_AT_location on abstract static variable's
1808 DIE, don't emit it if abstract origin already has it.
1809 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
1810 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
1812 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1814 * genpreds.c (needs_variable): Fix parentheses at variable name
1816 (write_tm_constrs_h): Indent generated code.
1818 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1820 * doc/extend.texi (Function Attributes): Add documentation
1823 2009-03-06 Jakub Jelinek <jakub@redhat.com>
1826 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
1827 take locus from its DECL_SOURCE_LOCATION instead of input_location.
1829 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
1831 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
1834 2009-03-05 Jakub Jelinek <jakub@redhat.com>
1837 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
1838 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
1840 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
1842 * config/i386/i386.md (R8_REG, R9_REG): New constants.
1843 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
1844 constants instead of magic numbers.
1845 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
1847 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
1848 (x86_64_ms_abi_int_parameter_registers): Ditto.
1849 (x86_64_int_return_registers): Ditto.
1850 (ix86_maybe_switch_abi): Ditto.
1851 (ix86_expand_call): Ditto for clobbered_registers array.
1852 (ix86_hard_regno_mode_ok): Ditto.
1853 (x86_extended_QIreg_mentioned_p): Ditto.
1855 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
1857 PR tree-optimization/39349
1858 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
1860 * combine.c (gen_lowpart_for_combine): Use omode when generating
1863 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
1865 PR rtl-optimization/39235
1866 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
1868 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
1870 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
1872 2009-03-04 Richard Guenther <rguenther@suse.de>
1874 PR tree-optimization/39362
1875 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
1876 that occur in abnormal PHIs should be varying.
1878 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
1880 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
1882 (simple_iv): Take loop as an argument instead of statement.
1883 * tree-scalar-evolution.h (simple_iv): Declaration changed.
1884 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
1886 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
1888 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
1889 * matrix-reorg.c (analyze_transpose): Ditto.
1890 * tree-data-ref.c (dr_analyze_innermost): Ditto.
1891 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
1892 * tree-predcom.c (ref_at_iteration): Ditto.
1893 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
1895 2009-03-04 Richard Guenther <rguenther@suse.de>
1897 PR tree-optimization/39358
1898 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
1899 escaped_id and callused_id.
1900 (solve_graph): Likewise.
1902 2009-03-04 Richard Guenther <rguenther@suse.de>
1904 PR tree-optimization/39339
1905 * tree-sra.c (try_instantiate_multiple_fields): Make it
1906 no longer ICE on the above.
1908 2009-03-03 Joseph Myers <joseph@codesourcery.com>
1910 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
1911 that fits within Pmode.
1913 2009-03-03 Steve Ellcey <sje@cup.hp.com>
1916 * tm.texi (LIBCALL_VALUE): Update description.
1918 2009-03-03 Steve Ellcey <sje@cup.hp.com>
1921 * doc/extend.texi (section): Update description.
1923 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
1926 * tree-inline.c (remapped_type): New.
1927 (can_be_nonlocal): Call remapped_type instead of remap_type.
1929 2009-03-03 Jakub Jelinek <jakub@redhat.com>
1932 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
1933 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
1935 2009-03-03 Richard Guenther <rguenther@suse.de>
1938 * tree.c (tree_nonartificial_location): New function.
1939 * tree.h (tree_nonartificial_location): Declare.
1940 * builtins.c (expand_builtin_memory_chk): Provide location
1941 of the call location for artificial function pieces.
1942 (maybe_emit_chk_warning): Likewise.
1943 (maybe_emit_sprintf_chk_warning): Likewise.
1944 (maybe_emit_free_warning): Likewise.
1945 * expr.c (expand_expr_real_1): Likewise.
1947 2009-03-03 Jakub Jelinek <jakub@redhat.com>
1949 PR tree-optimization/39343
1950 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
1951 COMPONENT_REF t has ARRAY_TYPE.
1953 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
1956 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
1957 when the type precision of the induction variable should be
1958 larger than the type precision of nit.
1959 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
1960 * graphite.c (graphite_loop_normal_form): Same.
1961 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
1963 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
1965 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
1966 (*call_1_rex64_ms_sysv): Use named constants instead of magic
1967 numbers to describe clobbered registers.
1968 (*call_value_0_rex64_ms_sysv): Ditto.
1969 * config/i386/mmx.md (mmx_emms): Ditto.
1972 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
1974 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
1977 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1979 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
1980 (spu_section_type_flags): New function.
1982 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
1984 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
1985 reg_class_contents of FLOAT_REGS into a temporary.
1987 2009-03-02 Richard Guenther <rguenther@suse.de>
1988 Ira Rosen <irar@il.ibm.com>
1990 PR tree-optimization/39318
1991 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
1992 information to the vectorized statement.
1994 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
1996 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
1997 variable. Use defined names instead of magic constants for REX SSE
2000 2009-03-01 Richard Guenther <rguenther@suse.de>
2002 PR tree-optimization/39331
2003 * omp-low.c (lower_send_shared_vars): Do not receive new
2004 values for the reference of DECL_BY_REFERENCE parms or results.
2006 2009-03-01 Jan Hubicka <jh@suse.cz>
2009 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
2010 BLOCK_NONLOCALIZED_VAR): New macros.
2011 (tree_block): Add nonlocalized_vars.
2012 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
2013 gen_decl_die): Add origin argument. Allow generation of die with
2014 origin at hand only.
2015 (gen_member_die, gen_type_die_with_usage, force_decl_die,
2016 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
2018 (gen_block_die): Fix checking for unused blocks.
2019 (process_scope_var): Break out from .... ; work with origins only.
2020 (decls_for_scope) ... here; process nonlocalized list.
2021 (dwarf2out_ignore_block): Look for nonlocalized vars.
2022 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
2024 (dump_scope_block): Dump them.
2025 * tree-inline.c (remap_decls): Handle nonlocalized vars.
2026 (remap_block): Likewise.
2027 (can_be_nonlocal): New predicate.
2028 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
2030 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2032 * configure: Regenerate.
2034 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2036 * optc-gen.awk: No need to duplicate option flags twice.
2037 Reuse help texts for duplicate options which do not have any.
2039 * gcc.c (display_help): Document --version.
2041 * gcc.c (main): If print_help_list and verbose_flag, ensure
2042 driver output comes before subprocess output.
2044 * optc-gen.awk: Assign all remaining fields to help string,
2045 space-separated, for multi-line help in *.opt.
2047 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
2048 -Wno-pedantic-ms-format is for MinGW targets only.
2050 * doc/options.texi (Option file format): Fix bad indentation,
2051 restoring dropped sentence.
2053 2009-02-28 Jan Hubicka <jh@suse.cz>
2055 * tree-inline.c (tree_function_versioning): Output debug info.
2057 2009-02-28 Jan Hubicka <jh@suse.cz>
2060 * tree-inline.c (setup_one_parameter): Do not copy propagate
2061 arguments when not optimizing.
2063 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
2066 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
2067 (avx_addsubv4df3): Likewise.
2068 (*avx_addsubv4sf3): Likewise.
2069 (sse3_addsubv4sf3): Likewise.
2070 (*avx_addsubv2df3): Likewise.
2071 (sse3_addsubv2df3): Likewise.
2072 (avx_unpckhps256): Correct item selectors.
2073 (avx_unpcklps256): Likewise.
2074 (avx_unpckhpd256): Likewise.
2075 (avx_unpcklpd256): Likewise.
2077 2009-02-28 Jan Hubicka <jh@suse.cz>
2079 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
2081 (copy_arguments_for_versioning): If var is declared don't declare it.
2082 (tree_function_versioning): First setup substitutions and then copy
2085 2009-02-27 Jan Hubicka <jh@suse.cz>
2088 * cgraph.h (varpool_output_debug_info): Remove.
2089 * cgraphunit.c (varpool_output_debug_info): Remove.
2090 * dwarf2out.c (deferred_locations_struct): New struct
2091 (deferred_locations): New type.
2092 (deferred_locations_list): New static var.
2093 (deffer_location): New function.
2094 (gen_variable_die): Use it.
2095 (decls_for_scope): Output info on local static vars.
2096 (dwarf2out_finish): Process deferred locations.
2097 * varpool.c (varpool_output_debug_info): Remove.
2099 2009-02-27 Jan Hubicka <jh@suse.cz>
2102 * tree.h (TREE_PROTECTED): Fix comment.
2103 (BLOCK_HANDLER_BLOCK): Remove.
2104 (struct tree_block): Remove handler_block add body_block.
2105 (inlined_function_outer_scope_p): New.
2106 (is_body_block): Remove.
2107 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
2108 * dwarf2out.c (is_inlined_entry_point): Remove.
2109 (add_high_low_attributes): Use inlined_function_outer_scope_p.
2110 (gen_block_die): Use is_inlined_entry_point check. Remove body block
2112 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
2113 * gimplify.c (gimplify_expr): Gimplify body blocks.
2114 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
2115 block with multiple subblocks.
2116 (dump_scope_block): Prettier output; dump more flags and info.
2117 (dump_scope_blocks): New.
2118 (remove_unused_locals): Use dump_scope_blocks.
2119 * tree-flow.h (dump_scope_blocks): Declare.
2120 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
2121 * stmt.c (is_body_block): Remove.
2122 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
2123 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
2125 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
2128 * graphite.c (graphite_loop_normal_form): Do not call
2129 number_of_iterations_exit from a gcc_assert.
2131 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2133 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
2134 jumps if COND is NULL.
2135 (find_cond_jump): New function.
2136 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
2137 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
2139 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
2141 * config/alpha/alpha.h (alpha_expand_mov): Return false if
2142 force_const_mem returns NULL_RTX.
2144 2009-02-26 Jan Hubicka <jh@suse.cz>
2147 * cgraph.h (varpool_output_debug_info): Remove.
2148 * cgraphunit.c (varpool_output_debug_info): Remove.
2149 * dwarf2out.c (deferred_locations_struct): New struct
2150 (deferred_locations): New type.
2151 (deferred_locations_list): New static var.
2152 (deffer_location): New function.
2153 (gen_variable_die): Use it.
2154 (decls_for_scope): Output info on local static vars.
2155 (dwarf2out_finish): Process deferred locations.
2156 * varpool.c (varpool_output_debug_info): Remove.
2158 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
2160 PR rtl-optimization/39241
2161 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
2162 to subreg_offset_representable_p.
2164 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
2166 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
2167 execute function prototype. Get f and nregs from max_reg_num
2168 and get_insns. Remove the first backward pass as it's dead,
2169 guard the forward pass by flag_expensive_optimizations.
2170 (rest_of_handle_regmove): Delete.
2171 (pass_regmove): Replace it with regmove_optimize.
2173 2009-02-25 Martin Jambor <mjambor@suse.cz>
2175 PR tree-optimization/39259
2176 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
2177 calls_alloca function flags.
2178 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
2181 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
2183 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
2184 flags_set_1_rtx, flags_set_1_set): Delete.
2185 (regmove_optimize): Do not call mark_flags_life_zones.
2187 2009-02-24 Julian Brown <julian@codesourcery.com>
2190 * config/arm/arm.c (require_pic_register): Only set
2191 cfun->machine->pic_reg once per function.
2193 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
2195 * doc/invoke.texi (Link Options): Document an easier way to pass
2196 options that take arguments to the GNU linker using -Xlinker and -Wl.
2198 2009-02-24 Steve Ellcey <sje@cup.hp.com>
2201 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
2203 2009-02-24 Richard Guenther <rguenther@suse.de>
2206 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
2208 2009-02-24 Richard Guenther <rguenther@suse.de>
2209 Zdenek Dvorak <ook@ucw.cz>
2211 PR tree-optimization/39233
2212 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
2213 from converting them to a generic type.
2215 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
2217 PR tree-optimization/39260
2218 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
2219 contains a condition with a real type.
2220 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
2222 2009-02-23 Jason Merrill <jason@redhat.com>
2225 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
2226 narrowing_initializer_constant_valid_p.
2227 (narrowing_initializer_constant_valid_p): Don't return
2228 null_pointer_node for adding a pointer to itself.
2230 2009-02-23 Jan Hubicka <jh@suse.cz>
2233 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
2236 2009-02-23 Jan Hubicka <jh@suse.cz>
2238 PR tree-optimization/37709
2239 * tree.c (block_ultimate_origin): Move here from dwarf2out.
2240 * tree.h (block_ultimate_origin): Declare.
2241 * dwarf2out.c (block_ultimate_origin): Move to tree.c
2242 * tree-ssa-live.c (remove_unused_scope_block_p):
2243 Eliminate blocks containig no instructions nor live variables nor
2245 (dump_scope_block): New function.
2246 (remove_unused_locals): Enable removal of dead blocks by default;
2247 enable dumping at TDF_DETAILS.
2249 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2251 * config/i386/i386.c (classify_argument): Don't allow COImode
2253 (function_arg_advance_32): Don't allow OImode.
2254 (function_arg_32): Likewise.
2255 (function_value_32): Likewise.
2256 (return_in_memory_32): Likewise.
2257 (function_arg_64): Remove OImode comment.
2259 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2262 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
2263 ix86_expand_vector_set for V4DImode in 64bit mode only.
2264 (ix86_expand_vector_init_one_var): Likewise.
2266 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
2268 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
2270 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
2273 * loop-iv.c: Revert last change.
2274 * emit-rtl.c: Likewise.
2276 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2279 * config/i386/i386.c (type_natural_mode): Remove an extra
2280 space in the warning message.
2281 (function_value_32): Handle 32-byte vector modes.
2282 (return_in_memory_32): Likewise.
2284 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
2286 * loop-iv.c (truncate_value): New function.
2287 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
2289 (lowpart_subreg): Move to...
2290 * emit-rtl.c: ...here.
2292 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
2294 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
2295 accidental and undocumented change at revision 140860.
2297 2009-02-21 Joseph Myers <joseph@codesourcery.com>
2299 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
2300 take gimple_seq * arguments.
2301 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
2302 types_compatible_p langhook.
2304 2009-02-20 Mark Mitchell <mark@codesourcery.com>
2305 Joseph Myers <joseph@codesourcery.com>
2307 * config/arm/arm.c (arm_builtin_va_list): New function.
2308 (arm_expand_builtin_va_start): Likewise.
2309 (arm_gimplify_va_arg_expr): Likewise.
2310 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
2311 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
2312 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
2313 (va_list_type): New variable.
2314 (arm_mangle_type): Mangle va_list_type appropriately.
2316 2009-02-20 Jakub Jelinek <jakub@redhat.com>
2319 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
2320 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
2321 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
2322 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
2323 parameter to 1000 for -O1 by default.
2324 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
2326 * loop-invariant.c: Include params.h.
2327 (move_loop_invariants): Don't call move_single_loop_invariants on
2330 2009-02-20 Jaka Mocnik <jaka@xlab.si>
2332 * calls.c (emit_library_call_value_1): Use slot_offset instead of
2333 offset when calculating bounds for indexing stack_usage_map. Fixes
2334 a buffer overflow with certain target setups.
2336 2009-02-20 Jakub Jelinek <jakub@redhat.com>
2339 * calls.c (expand_call): Clear try_tail_call if caller and callee
2340 disagree in promotion of function return value.
2342 2009-02-19 Jakub Jelinek <jakub@redhat.com>
2345 * c-common.c (c_determine_visibility): If visibility changed and
2346 DECL_RTL has been already set, call make_decl_rtl to update symbol
2349 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
2352 * varasm.c (assemble_variable): Don't check DECL_NAME when
2353 globalizing a variable.
2355 2009-02-19 Joseph Myers <joseph@codesourcery.com>
2358 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
2359 expression before any __builtin_trap call.
2360 * c-typeck.c (build_function_call): Convert and check function
2361 arguments before generating a call to a trap. Evaluate the
2362 function arguments before the trap.
2364 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
2367 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
2368 (UNSPEC_FXAM_MEM): New unspec.
2369 (fxam<mode>2_i387_with_temp): New insn and split pattern.
2370 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
2371 memory using fxam<mode>2_i387_with_temp to remove excess precision.
2373 2009-02-19 Richard Guenther <rguenther@suse.de>
2375 PR tree-optimization/39207
2376 PR tree-optimization/39074
2377 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
2378 storedanything_tree): New.
2379 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
2380 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
2381 (build_succ_graph): Add edges from STOREDANYTHING to all
2383 (init_base_vars): Initialize STOREDANYTHING.
2384 (compute_points_to_sets): Free substitution info after
2385 building the succ graph.
2386 (ipa_pta_execute): Likewise.
2388 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
2390 (do_ds_constraint): Do not add to special var or non-pointer
2392 (type_could_have_pointers): Split out from ...
2393 (could_have_pointers): ... here. For arrays use the element type.
2394 (create_variable_info_for): Initialize may_have_pointers.
2395 (new_var_info): Likewise.
2396 (handle_lhs_call): Make the HEAP variable unknown-sized.
2397 (intra_create_variable_infos): Use a type with pointers for
2398 PARM_NOALIAS, make it unknown-sized.
2400 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
2403 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
2405 2009-02-18 Jason Merrill <jason@redhat.com>
2408 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
2409 value if DECL_EXTERNAL.
2410 * tree-sra.c (sra_walk_gimple_assign): Likewise.
2411 * target.h (gcc_target::binds_local_p): Clarify "module".
2412 * tree.h (TREE_PUBLIC): Clarify "module".
2414 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
2417 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
2418 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
2420 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
2423 * c.opt (Wabi): Support C and ObjC.
2426 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
2428 * config/i386/i386.c (classify_argument): Warn once about the ABI
2429 change when passing union with long double.
2431 * doc/invoke.texi: Update -Wabi for warning psABI changes.
2433 2009-02-18 Joseph Myers <joseph@codesourcery.com>
2436 * c-parser.c (c_parser_compound_statement): Always enter and leave
2439 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2442 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
2444 2009-02-18 Jakub Jelinek <jakub@redhat.com>
2446 PR tree-optimization/36922
2447 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
2448 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
2451 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2453 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
2456 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2458 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
2460 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2462 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
2465 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
2466 Richard Sandiford <rdsandiford@googlemail.com>
2468 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
2469 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
2470 (loongson_biadd): ...this.
2472 2009-02-17 Richard Guenther <rguenther@suse.de>
2474 PR tree-optimization/39202
2475 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
2476 a var make sure to follow existing collapses.
2478 2009-02-17 Richard Guenther <rguenther@suse.de>
2481 * langhooks.c (lhd_print_error_function): Check for NULL block.
2483 2009-02-17 Richard Guenther <rguenther@suse.de>
2485 PR tree-optimization/39204
2486 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
2489 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
2491 * config/soft-fp/double.h: Update from glibc CVS.
2493 2009-02-17 Richard Guenther <rguenther@suse.de>
2495 PR tree-optimization/39207
2496 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
2497 strict-aliasing warnings for pointers pointing to NULL.
2499 2009-02-16 Joseph Myers <joseph@codesourcery.com>
2502 * c-parser.c (c_parser_braced_init): Call pop_init_level when
2503 skipping until next close brace.
2505 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
2508 * config/i386/i386.c (ix86_expand_push): Set memory alignment
2509 to function argument boundary.
2511 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2513 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
2514 in the lea_add. Reload eventually constraints it properly.
2515 * config/picochip/constraints.md : Remove the target constraint
2516 "b", since it is not needed anymore.
2518 2009-02-16 Jakub Jelinek <jakub@redhat.com>
2520 * gthr-dce.h: Uglify function parameter and local variable names.
2521 * gthr-gnat.h: Likewise.
2522 * gthr-mipssde.h: Likewise.
2523 * gthr-nks.h: Likewise.
2524 * gthr-posix95.h: Likewise.
2525 * gthr-posix.h: Likewise.
2526 * gthr-rtems.h: Likewise.
2527 * gthr-single.h: Likewise.
2528 * gthr-solaris.h: Likewise.
2529 * gthr-tpf.h: Likewise.
2530 * gthr-vxworks.h: Likewise.
2531 * gthr-win32.h: Likewise.
2533 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
2536 * config/i386/i386.md: Restrict the new peephole2 to move
2537 between MMX/SSE registers.
2539 2009-02-15 Richard Guenther <rguenther@suse.de>
2542 2009-02-13 Richard Guenther <rguenther@suse.de>
2544 * configure.ac: Enable LFS.
2545 * configure: Re-generate.
2546 * config.in: Likewise.
2548 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2550 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
2551 spu_srqwbyte, spu_srqwbytebc): Define.
2552 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
2553 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
2554 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
2555 "shrqby_<mode>"): New insn-and-split patterns.
2556 * config/spu/spu.c (expand_builtin_args): Determine and return
2557 number of operands using spu_builtin_description data.
2558 (spu_expand_builtin_1): Use it.
2560 2009-02-13 Steve Ellcey <sje@cup.hp.com>
2563 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
2566 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2569 * config/i386/i386.c (override_options): Correct warning
2570 messages for -malign-loops, -malign-jumps and -malign-functions.
2572 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2575 * config/i386/i386.md: Restrict the new peephole2 to move
2576 between the general purpose registers.
2578 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2581 * config/i386/i386.c (type_natural_mode): Add a new argument.
2582 Return the original mode and warn ABI change if vector size is 32byte.
2583 (function_arg_advance): Updated.
2584 (function_arg): Likewise.
2585 (ix86_function_value): Likewise.
2586 (ix86_return_in_memory): Likewise.
2587 (ix86_sol10_return_in_memory): Likewise.
2588 (ix86_gimplify_va_arg): Likewise.
2589 (function_arg_32): Don't warn ABX ABI change here.
2590 (function_arg_64): Likewise.
2592 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
2594 * loop-iv.c (implies_p): In the final case, test that operands 0
2595 of the two comparisons match.
2597 * config/bfin/bfin.c (find_prev_insn_start): New function.
2598 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
2599 (find_next_insn_start): Move.
2601 2009-02-13 Richard Guenther <rguenther@suse.de>
2603 * configure.ac: Enable LFS.
2604 * configure: Re-generate.
2605 * config.in: Likewise.
2607 2009-02-13 Joseph Myers <joseph@codesourcery.com>
2610 * c-parser.c (c_parser_parms_list_declarator): Discard pending
2611 sizes on syntax error after some arguments have been parsed.
2613 2009-02-12 Jakub Jelinek <jakub@redhat.com>
2615 * doc/invoke.texi (-fira): Remove.
2617 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2619 * caller-save.c: Replace regclass.c with reginfo.c in comments.
2620 * recog.c: Likewise.
2623 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
2625 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
2626 (umul_ppmm): Likewise.
2627 (count_leading_zeros): Likewise.
2628 (count_trailing_zeros): Likewise.
2629 (UMUL_TIME): Likewise.
2631 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2633 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
2634 soft-fp/t-softfp to tmake_file.
2636 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
2637 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
2638 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
2639 IA64_BUILTIN_INFQ]: New.
2640 (ia64_init_builtins): Initialize __builtin_infq,
2641 __builtin_fabsq and __builtin_copysignq if not HPUX.
2642 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
2643 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
2645 * config/ia64/lib1funcs.asm (__divtf3): Define only if
2647 (__fixtfti): Likewise.
2648 (__fixunstfti): Likewise.
2649 (__floattitf): Likewise.
2651 * config/ia64/libgcc-glibc.ver: New.
2652 * config/ia64/t-fprules-softfp: Likewise.
2653 * config/ia64/sfp-machine.h: Likewise.
2655 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
2656 (LIBGCC2_TF_CEXT): Likewise.
2657 (TF_SIZE): Likewise.
2658 (TARGET_INIT_LIBFUNCS): Likewise.
2660 * config/ia64/t-glibc (SHLINB_MAPFILES):
2661 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
2663 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2665 * config/i386/i386.c (construct_container): Rewrite processing
2666 BLKmode with X86_64_SSE_CLASS.
2668 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
2671 * config/i386/i386.md: Replace simplify_replace_rtx with
2672 replace_rtx in the new peephole2.
2674 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
2676 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
2677 loop unrolling do not happen at -O2.
2679 2009-02-12 Michael Matz <matz@suse.de>
2681 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
2683 2009-02-12 Jakub Jelinek <jakub@redhat.com>
2685 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
2688 2009-02-12 Ben Elliston <bje@au.ibm.com>
2690 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
2691 patterns when updating the back chain. Missed in the 2009-02-10
2694 2009-02-11 Janis Johnson <janis187@us.ibm.com>
2696 * doc/extend.texi (Decimal Floating Types): Update identifier of
2697 draft TR and list of missing support.
2699 2009-02-11 Jakub Jelinek <jakub@redhat.com>
2702 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
2703 bit to variable length decl's flags, add it also to its
2704 pointer replacement variable.
2706 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
2707 Jakub Jelinek <jakub@redhat.com>
2710 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
2711 (memory_blockage): New expander.
2712 (*memory_blockage): New insn pattern.
2713 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
2714 instead of general blockage at the end of function prologue when
2715 frame pointer is used to access red zone area. Do not emit blockage
2716 when profiling, it is emitted in generic code.
2717 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
2718 function epilogue when frame pointer is used to access red zone area.
2720 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
2723 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
2724 by arithmetic with memory operands.
2725 * config/i386/predicates.md (commutative_operator): New.
2727 2009-02-10 Janis Johnson <janis187@us.ibm.com>
2729 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
2732 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
2734 * alias.h (record_alias_subset): Declare.
2735 * alias.c (record_alias_subset): Make global.
2737 2009-02-10 Nick Clifton <nickc@redhat.com>
2739 * tree-parloops.c: Change license to GPLv3.
2740 * ipa-struct-reorg.c: Change license to GPLv3.
2741 * ipa-struct-reorg.h: Change license to GPLv3.
2743 2009-02-10 Steve Ellcey <sje@cup.hp.com>
2746 * c-decl.c (start_struct): Return NULL on error.
2748 2009-02-10 Jakub Jelinek <jakub@redhat.com>
2751 * cfgloopmanip.c (remove_path): Call remove_bbs after
2752 cancel_loop_tree, not before it.
2755 * function.h (struct function): Add has_local_explicit_reg_vars bit.
2756 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
2757 VAR_DECLs were seen.
2758 * tree-ssa-live.c (remove_unused_locals): Recompute
2759 cfun->has_local_explicit_reg_vars.
2760 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
2761 copies or clearings if cfun->has_local_explicit_reg_vars.
2763 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
2766 * config/i386/i386.c (expand_prologue): Emit blockage at the end
2767 of function prologue when frame pointer is used to access
2770 2009-02-10 Richard Guenther <rguenther@suse.de>
2773 * gimplify.c (gimple_regimplify_operands): Always look if
2774 we need to create a temporary.
2776 2009-02-10 Richard Guenther <rguenther@suse.de>
2778 PR tree-optimization/39132
2779 * tree-loop-distribution.c (todo): New global var.
2780 (generate_memset_zero): Trigger TODO_rebuild_alias.
2781 (tree_loop_distribution): Return todo.
2783 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
2786 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
2787 (x86_64_reg_class_name): Removed.
2788 (classify_argument): Return 0 if bytes > 32. Return 0 if the
2789 first one isn't X86_64_SSE_CLASS or any other ones aren't
2790 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
2791 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
2792 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
2793 and 3 X86_64_SSEUP_CLASS.
2794 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
2795 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
2797 2009-02-10 Ben Elliston <bje@au.ibm.com>
2799 * config/rs6000/rs6000.md (allocate_stack): Always use an update
2800 form instruction to update the stack back chain word, even if the
2801 user has disabled the generation of update instructions.
2802 (movdi_<mode>_update_stack): New.
2803 (movsi_update_stack): Likewise.
2804 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
2805 always use an update form instruction to update the stack back
2808 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
2811 * graphite.c (if_region_set_false_region): After moving a region in
2812 the false branch of a condition, remove the empty dummy basic block.
2813 (gloog): Remove wrong fix for PR38953.
2815 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2817 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
2818 generation due to implicit sign extension.
2820 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
2823 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
2824 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
2826 2009-02-09 Richard Guenther <rguenther@suse.de>
2829 * convert.c (convert_to_real): Disable (float)fn((double)x)
2830 to fnf(x) conversion if errno differences may occur and
2831 -fmath-errno is set.
2833 2009-02-07 Anatoly Sokolov <aesok@post.ru>
2835 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
2836 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2837 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2839 2009-02-06 Joseph Myers <joseph@codesourcery.com>
2842 * c-common.c (handle_alias_attribute): Disallow attribute for
2843 anything not a FUNCTION_DECL or VAR_DECL.
2845 2009-02-06 Janis Johnson <janis187@us.ibm.com>
2848 * real.c (do_compare): Special-case compare of zero against
2849 decimal float value.
2851 2009-02-06 Joseph Myers <joseph@codesourcery.com>
2854 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
2855 as indicating flexible array members unless the field itself is
2856 being declarared as the incomplete array.
2858 2009-02-06 Jan Hubicka <jh@suse.cz>
2860 PR tree-optimization/38844
2861 * ipa-inline.c (try_inline): Stop inlining recursion when edge
2864 2009-02-06 Richard Guenther <rguenther@suse.de>
2867 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
2868 fork because we may expand it as __gcov_fork.
2870 2009-02-06 Nick Clifton <nickc@redhat.com>
2872 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
2874 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
2876 PR tree-optimization/35659
2877 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
2878 vn_phi_eq): Shortcut if hashcode does not match.
2879 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
2881 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
2882 and avoid iterative_hash_expr.
2883 (FOR_EACH_VALUE_ID_IN_SET): New.
2884 (value_id_compare): Remove.
2885 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
2886 sort expressions by value id.
2888 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
2891 * config/sh/predicates.md (general_movsrc_operand): Don't check
2892 the subreg of system registers here.
2894 2009-02-05 Jakub Jelinek <jakub@redhat.com>
2897 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
2900 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
2902 PR rtl-optimization/39110
2903 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
2904 addresses, not aligned ones.
2906 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
2907 Richard Guenther <rguenther@suse.de>
2909 PR tree-optimization/39100
2910 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
2911 comment says and add edges.
2913 2009-02-05 Joseph Myers <joseph@codesourcery.com>
2916 * c-common.c (handle_tls_model_attribute): Ignore attribute for
2917 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
2919 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
2921 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
2922 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
2923 register_bb_in_sese, new_sese, free_sese): Moved.
2924 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
2925 outermost_loop_in_scop, build_scop_iteration_domain,
2926 expand_scalar_variables_ssa_name, get_vdef_before_scop,
2927 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
2928 Use loop_in_sese_p instead of loop_in_scop_p.
2929 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
2930 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
2931 (scopdet_basic_block_info): Fix bug in scop detection.
2932 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
2933 eq_loop_to_cloog_loop): Remove.
2934 (nb_loops_around_loop_in_scop, nb_loop
2935 ref_nb_loops): Moved here...
2936 * graphite.h (ref_nb_loops): ... from here.
2937 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
2938 (loop_domain_dim, loop_iteration_vector_dim): Remove.
2939 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
2940 * testsuite/gcc.dg/graphite/scop-19.c: New
2942 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
2943 Hans-Peter Nilsson <hp@axis.com>
2945 PR rtl-optimization/37889
2946 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
2947 Move offset handling from PLUS to before the switch. Use new
2948 arguments when considering SYMBOL_REFs too.
2949 (rtx_addr_can_trap_p): Pass dummy offset and size.
2950 (enum may_trap_p_flags): Remove.
2951 (may_trap_p_1): Pass size from MEM_SIZE.
2953 PR rtl-optimization/38921
2954 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
2955 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
2956 * rtlanal.c (may_trap_after_code_motion_p): Delete.
2957 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
2959 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
2961 AVX Programming Reference (January, 2009)
2962 * config/i386/sse.md (*vpclmulqdq): New.
2964 2009-02-04 Jakub Jelinek <jakub@redhat.com>
2966 PR tree-optimization/38977
2967 PR gcov-profile/38292
2968 * calls.c (special_function_p): Disregard __builtin_ prefix.
2970 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
2972 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
2973 non-indexable addresses even before reload.
2975 2009-02-03 Joseph Myers <joseph@codesourcery.com>
2978 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
2979 as having variable size. Do not give an error for unnamed
2980 parameters with [*] declarators. Give a warning for type names
2981 with [*] declarators and mark them as variable size.
2982 * c-parser.c (c_parser_sizeof_expression): Do not give an error
2983 for sizeof applied to [*] type names.
2985 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
2988 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
2990 2009-02-03 Jakub Jelinek <jakub@redhat.com>
2992 * gcc.c (process_command): Update copyright notice dates.
2993 * gcov.c (print_version): Likewise.
2994 * gcov-dump.c (print_version): Likewise.
2995 * mips-tfile.c (main): Likewise.
2996 * mips-tdump.c (main): Likewise.
2998 2009-02-03 Joseph Myers <joseph@codesourcery.com>
3001 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
3002 for composite type involving a zero-length array type.
3004 2009-02-03 Jakub Jelinek <jakub@redhat.com>
3007 * function.c (match_asm_constraints_1): Skip over
3008 initial optional % in the constraint.
3011 * c-parser.c (c_parser_postfix_expression): If fixed point is not
3012 supported, don't accept FIXED_CSTs.
3013 * c-decl.c (finish_declspecs): Error if fixed point is not supported
3014 and _Sat is used without _Fract/_Accum. Set specs->type to
3015 integer_type_node for cts_fract/cts_accum if fixed point is not
3018 2009-02-02 Catherine Moore <clm@codesourcery.com>
3020 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
3022 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
3024 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
3025 (ABI_HAS_64BIT_SYMBOLS): Use it.
3026 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
3028 2009-02-02 Paul Brook <paul@codesourcery.com>
3030 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
3032 2009-02-02 Jakub Jelinek <jakub@redhat.com>
3035 * recog.h (asm_operand_ok): Add constraints argument.
3036 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
3037 recurse on matching constraint.
3038 (check_asm_operands): Pass constraints as 3rd argument to
3039 asm_operand_ok. Don't look up matching constraint here.
3040 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
3043 2009-02-02 Ben Elliston <bje@au.ibm.com>
3045 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
3046 TARGET_NARROW_VOLATILE_BITFIELD macro names.
3048 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3050 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
3051 information. Remove some obsolete information. Reorganize.
3053 * config/pa/fptr.c: Revert license to GPL 2.
3054 * config/pa/milli64.S: Likewise.
3056 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
3059 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
3060 LIBRARY name in, instead of hard-coding it.
3061 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
3062 extra target make frag to tmake_files according to EH model.
3063 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
3064 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
3065 frags that define makefile variable EH_MODEL appropriately.
3066 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
3067 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
3068 to "-sjlj" according to type of EH configured.
3069 (LIBGCC_SONAME): Concatenate it to shared library base name.
3070 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
3071 to "_sjlj" according to type of EH configured.
3072 (LIBGCC_SONAME): Concatenate it to shared library base name.
3073 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
3074 (SHLIB_LINK): Add missing semicolon to if-else construct.
3075 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
3076 string value of "pe_dll" command-line option.
3077 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
3078 (SHLIB_SONAME): Use it when overriding t-cygming default.
3079 (SHLIB_IMPLIB): Override t-cygming default.
3080 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
3081 string value of "pe_dll" command-line option.
3083 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
3086 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
3087 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
3089 2009-01-31 Richard Guenther <rguenther@suse.de>
3091 PR tree-optimization/38937
3092 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
3093 computing the transitive closure.
3095 2009-01-30 Richard Guenther <rguenther@suse.de>
3097 PR tree-optimization/39041
3098 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3099 Propagate variable indices only if the types match for this stmt.
3101 2009-01-30 Jakub Jelinek <jakub@redhat.com>
3104 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
3105 inline but never defined.
3107 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
3109 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
3110 (*insv_h_di_reg_extimm): New insn.
3111 (*insv_l<mode>_reg_extimm): New insn.
3113 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
3115 * config/picochip/picochip.c (flag_conserve_stack): set
3116 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
3117 fconserve-stack. Reduce call-overhead used by inliner.
3119 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
3122 * common.opt (flag_conserve_stack): Initialised to zero.
3124 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
3127 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
3128 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
3131 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
3133 * ira-color.c (allocno_reload_assign): Update comments.
3134 * regmove.c (regmove_optimize): Likewise.
3138 2009-01-29 Robert Millan <rmh@aybabtu.com>
3140 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
3141 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
3142 `MD_UNWIND_SUPPORT'.
3143 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
3145 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
3147 PR tree-optimization/39007
3148 * tree-loop-distribution.c (generate_builtin): Use
3149 recompute_dominator to compute the immediate dominator of the
3150 basic block just after the loop.
3152 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3154 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
3155 (ASM_OUTPUT_DWARF_PCREL): Define.
3157 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
3159 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
3160 * doc/passes.texi: Remove entries about regclass, local-alloc, and
3161 global. Modify entries about regmove and IRA.
3163 * ra-conflict.c: Remove the file.
3165 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
3167 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
3168 (pass_regclass_init): Rename to pass_reginfo_init.
3170 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
3172 * toplev.h (flag_ira): Remove.
3174 * caller-save.c (setup_save_areas): Remove flag_ira.
3176 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
3178 * global.c: Remove the file.
3180 * opts.c (decode_options): Remove flag_ira.
3182 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
3184 * regmove.c: Modify file description.
3185 (find_use_as_address, try_auto_increment): Define them only if
3186 AUTO_INC_DEC is defined.
3187 (replacement_quality, replace_in_call_usage, fixup_match_1,
3188 stable_and_no_regs_but_for_p): Remove.
3189 (reg_set_in_bb): Make it static.
3190 (regmove_optimize): Remove flag_ira and code which worked for
3193 * local-alloc.c: Remove the file.
3195 * common.opt (fira): Remove.
3197 * ira.c: Include except.h.
3198 (eliminable_regset): Move from global.c.
3199 (mark_elimination): Ditto. Remove flag_ira.
3200 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
3201 equiv_mem_modified, validate_equiv_mem_from_store,
3202 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
3203 contains_replace_regs, memref_referenced_p, memref_used_between_p,
3204 no_equiv, recorded_label_ref): Move from local-alloc.c.
3205 (update_equiv_regs): Ditto. Make it static.
3206 (print_insn_chain, print_insn_chains): Move it from global.c.
3207 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
3208 (build_insn_chain): Ditto. Make it static.
3209 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
3210 Rename to init_live_subregs.
3211 (gate_ira): Remove flag_ira.
3213 * regclass.c: Rename reginfo.c. Change file description.
3214 (FORBIDDEN_INC_DEC_CLASSES): Remove.
3215 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
3216 (init_reg_sets_1): Remove code for evaluation of
3217 reg_class_superclasses and losing_caller_save_reg_set.
3218 (init_regs): Remove init_reg_autoinc.
3219 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
3220 ok_for_base_p_nonstrict): Remove.
3221 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
3222 (pass_regclass_init): Rename to pass_reginfo_init. Modify
3223 corresponding entries.
3224 (dump_regclass, record_operand_costs, scan_one_insn,
3225 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
3226 record_address_regs, auto_inc_dec_reg_p): Remove.
3227 (gt-regclass.h): Rename to gt-reginfo.h.
3229 * rtl.h (dump_global_regs, retry_global_alloc,
3230 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
3232 * Makefile.in (RA_H): Remove.
3233 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
3234 Rename regclass.o to reginfo.o.
3235 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
3237 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
3238 (GTFILES): Rename regclass.c to reginfo.c.
3240 * passes.c (init_optimization_passes): Remove pass_local_alloc and
3241 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
3243 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3244 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
3246 (finish_spills): Ditto. Remove code for !flag_ira.
3248 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3251 * doc/invoke.texi (rtl debug options): Complete rewrite.
3252 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
3254 * mode-switching.c (pass_mode_switching): Rename pass from
3255 "mode-sw" to "mode_sw".
3256 * except.c (pass_convert_to_eh_ranges): Rename pass from
3257 "eh-ranges" to "eh_ranges".
3258 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
3262 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
3263 Alexander Monakov <amonakov@ispras.ru>
3266 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
3268 (move_exprs_to_boundary): Change return type and pass through
3269 should_move from move_op. Relax assert. Update usage ...
3270 (schedule_expr_on_boundary): ... here. Use should_move instead of
3272 (move_op_orig_expr_found): Indicate that insn was disconnected from
3274 (code_motion_process_successors): Do not call after_merge_succs
3275 callback if original expression was not found when traversing any of
3277 (code_motion_path_driver): Change return type. Update prototype.
3278 (move_op): Update comment. Add a new parameter (should_move). Update
3279 prototype. Set *should_move based on indication provided by
3280 move_op_orig_expr_found.
3282 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
3284 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
3285 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
3286 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
3287 * config/rs6000/rs6000.c (rs6000_override_options): Default
3288 avoid-indexed-addresses on for Power6, off for everything else.
3289 (avoiding_indexed_address_p): New function.
3290 (rs6000_legitimize_address): Use it.
3291 (rs6000_legitimate_address): Likewise.
3292 * config/rs6000/rs6000.md (movXX_updateX): Likewise
3294 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
3296 PR tree-optimization/38997
3297 * tree-loop-distribution.c (generate_memset_zero): Use
3298 POINTER_PLUS_EXPR for a pointer addition.
3300 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
3302 * config/s390/s390.md (bswap<mode>2): New pattern added.
3304 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3306 * config/s390/s390.md (*tls_load_31): Added type attribute.
3308 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3310 * config/s390/s390.md: Fix a few comments.
3312 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3314 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
3315 (*tm<mode>_full): Fixed z10prop attribute.
3316 (*tst<mode>_extimm): Fixed z10prop attribute.
3317 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
3318 (*tstqiCCT_cconly): Fixed z10prop attribute.
3319 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
3320 (*movsi_larl): Fixed z10prop attribute.
3321 (*movsi_zarch): Fixed z10prop attribute.
3322 (*movsi_eas): Fixed z10prop attribute.
3323 (*movhi): Fixed z10prop attribute.
3324 (*movqi): Fixed z10prop attribute.
3325 (*movstrictqi): Fixed z10prop attribute.
3326 (*mov<mode>): Fixed z10prop attribute.
3327 (*movcc): Fixed z10prop attribute.
3328 (*sethighpartdi_64): Fixed z10prop attribute.
3329 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
3330 (*negdi2_sign_cc): Fixed z10prop attribute.
3331 (*negdi2_sign): Fixed z10prop attribute.
3332 (*absdi2_sign_cc): Fixed z10prop attribute.
3333 (*absdi2_sign): Fixed z10prop attribute.
3334 (*negabsdi2_sign_cc): Fixed z10prop attribute.
3335 (*negabsdi2_sign): Fixed z10prop attribute.
3336 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
3337 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
3338 (doloop_si64): Fixed z10prop attribute.
3339 (doloop_si31): Fixed z10prop attribute.
3340 (doloop_long): Fixed z10prop attribute.
3341 (indirect_jump): Fixed z10prop attribute.
3342 (nop): Fixed z10prop attribute.
3343 (main_base_64): Fixed z10prop attribute.
3344 (reload_base_64): Fixed z10prop attribute.
3346 2009-01-28 Jakub Jelinek <jakub@redhat.com>
3348 PR rtl-optimization/38740
3349 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
3351 * config/mips/mips.c (mips_reorg): Likewise.
3353 2009-01-28 Richard Guenther <rguenther@suse.de>
3355 PR tree-optimization/38926
3356 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
3357 with the correct value id to a value.
3358 (do_regular_insertion): Use the value number of edoubleprime
3359 for the value number of the expr.
3362 2008-08-21 Richard Guenther <rguenther@suse.de>
3364 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
3365 a PHI ask VN if it is already available.
3366 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
3367 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
3369 2009-01-28 Jakub Jelinek <jakub@redhat.com>
3372 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
3373 set to varying whenever max has TREE_OVERFLOW set, similarly
3374 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
3376 2009-01-28 Richard Guenther <rguenther@suse.de>
3379 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
3380 uninitialized aggregate uses in call arguments.
3382 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
3384 PR tree-optimization/38984
3385 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
3386 the nothing_id variable if -fno-delete-null-pointer-checks.
3388 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
3391 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
3392 (set_got_offset_rex64): Ditto.
3394 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
3397 * doc/extend.texi: Improve local variable with asm reg.
3399 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
3401 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
3402 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
3403 was not supplied then set warn_packed_bitfield_compat to the
3405 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
3408 2009-01-27 Richard Guenther <rguenther@suse.de>
3410 PR tree-optimization/38503
3411 * cfgexpand.c (expand_gimple_basic_block): Ignore
3412 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
3413 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
3414 variables that cannot have TBAA applied.
3415 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
3418 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
3421 * calls.c (initialize_argument_information): Do not wrap complex
3422 arguments in SAVE_EXPR.
3424 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
3426 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
3427 (INSTALL_LIBGCC): Revert typo commit.
3429 2009-01-26 Richard Guenther <rguenther@suse.de>
3431 PR tree-optimization/38745
3432 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
3433 from special handling.
3435 2009-01-26 Richard Guenther <rguenther@suse.de>
3437 PR tree-optimization/38745
3438 * tree-ssa.c (execute_update_addresses_taken): Do not include
3439 variables that cannot possibly be a register in not_reg_needs.
3440 Do not clear TREE_ADDRESSABLE on vars that may not become
3442 * tree-ssa.c (update_alias_info_1): Include those in the set
3443 of addressable vars.
3445 2009-01-26 Richard Guenther <rguenther@suse.de>
3448 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
3449 * tree-ssa-dse.c: Include langhooks.h
3450 (execute_simple_dse): Remove stores with zero size.
3452 2009-01-24 Jakub Jelinek <jakub@redhat.com>
3455 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
3458 2009-01-24 Julian Brown <julian@codesourcery.com>
3460 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
3461 config/arm/linux-atomic.c.
3462 * config/arm/linux-atomic.c: New.
3464 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
3466 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
3467 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
3468 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
3470 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
3473 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
3476 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
3478 PR tree-optimization/38953
3479 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3480 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
3481 (gloog): Split the exit of the scop when the scop exit is a loop exit.
3482 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3485 2009-01-24 Paul Brook <paul@codesourcery.com>
3487 * config/arm/neon.md (neon_type): Move to arm.md.
3488 (neon_mov<VSTRUCT>): Add neon_type attribute.
3489 * config/arm/arm.md (neon_type): Move to here.
3490 (conds): Add "unconditioal" and use as default for NEON insns.
3492 2009-01-24 Ben Elliston <bje@au.ibm.com>
3494 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
3495 void *' warning from -Wc++-compat.
3496 * Makefile.in (dominance.o-warn): Remove.
3498 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
3500 PR tree-optimization/38932
3501 * fold-const.c (fold_unary_ignore_overflow): New.
3502 * tree.h (fold_unary_ignore_overflow): Declare.
3503 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
3504 * tree-ssa-sccvn.c (visit_reference_op_load,
3505 simplify_unary_expression): Likewise.
3507 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
3509 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
3510 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
3511 regardless of their type.
3512 * c-common.c (handle_packed_attribute): Don't ignore packed on
3514 * c.opt (Wpacked-bitfield-compat): New warning option.
3515 * stor-layout.c (place_field): Warn if offset of a field changed.
3516 * doc/extend.texi (packed): Mention the ABI change.
3517 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
3518 (Warning Options): Add it to the list.
3520 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
3522 * c-opts.c (c_common_post_options): Fix a typo in comments.
3524 2009-01-22 Steve Ellcey <sje@cup.hp.com>
3527 * gimplify.c (gimplify_init_constructor): Fix promotion of const
3528 variables to static.
3529 * doc/invoke.texi (-fmerge-all-constants): Update description.
3531 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
3534 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
3535 (*movdi_1_rex64): Use type "mmx" for alternative 5.
3537 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
3539 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
3541 (LOCAL_ALIGNMENT): Similarly.
3543 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
3544 Joseph Myers <joseph@codesourcery.com>
3546 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
3547 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
3548 * config/arm/arm-tune.md: Regenerate.
3549 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
3552 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
3554 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
3555 version number to five.
3557 2009-01-22 Dodji Seketeli <dodji@redhat.com>
3560 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
3561 * c-common.c (set_underlying_type): Likewise.
3562 (is_typedef_decl ): Likewise
3564 (set_underlying_type): Likewise.
3565 (is_typedef_type): Likewise.
3567 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
3570 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
3573 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
3576 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
3577 (LIBGCC_SPEC): Don't define.
3578 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
3580 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
3582 PR rtl-optimization/38879
3583 * alias.c (base_alias_check): Unaligned access via AND address can
3584 alias all surrounding object types except those with sizes equal
3585 or wider than the size of unaligned access.
3587 2009-01-21 Dodji Seketeli <dodji@redhat.com>
3590 * c-decl.c (clone_underlying_type): Move this ...
3591 * c-common.c (set_underlying_type): ... here.
3592 Also, make sure the function properly sets TYPE_STUB_DECL() on
3593 the newly created typedef variant type.
3594 (is_typedef_decl ): New entry point.
3595 * tree.h: Added a new member member_types_needing_access_check to
3596 struct tree_decl_non_common.
3597 (set_underlying_type): New entry point.
3598 (is_typedef_type): Likewise.
3600 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
3602 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
3603 Check whether two instructions have memory references that
3604 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
3605 are helper functions for traversing.
3606 * alias.h (insn_alias_sets_confilict_p): New prototypes.
3607 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
3608 not to draw dependency edge for instructions with non-conflicting
3611 2009-01-20 Joseph Myers <joseph@codesourcery.com>
3614 * longlong.h: Update copyright years. Use soft-fp license notice.
3615 Sync __clz_tab declaration with glibc.
3617 2009-01-20 Steve Ellcey <sje@cup.hp.com>
3620 * doc/extend.texi (syscall_linkage): New.
3621 (version_id): Modify.
3623 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
3624 Richard Guenther <rguenther@suse.de>
3626 PR tree-optimization/38747
3627 PR tree-optimization/38748
3628 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
3629 conversion if the base address is an indirect reference and the
3630 aliasing sets could cause issues.
3632 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
3634 * common.opt (fgraphite, fgraphite-identity): Add comment for
3635 explaining why these options are not documented.
3637 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
3639 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3640 gimple_call_lhs is NULL.
3642 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
3645 * emit-rtl.c (adjust_address_1): Make sure memref is never
3648 2009-01-20 Ben Elliston <bje@au.ibm.com>
3650 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
3651 const qualifier from arg parameter. Remove unnecessary cast to char *.
3652 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
3653 const qualifier from arg 2.
3655 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
3657 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
3659 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
3662 * rtl.h (reinit_regs): New prototype.
3663 * regclass.c: Include ira.h.
3665 * Makefile.in (regclass.o): Add ira.h.
3666 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
3668 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
3671 * c-common.c (handle_aligned_attribute): Use
3672 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
3673 default alignment value.
3675 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
3677 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
3678 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
3680 * doc/extend.texi: Update __attribute__ ((aligned)). Document
3681 __BIGGEST_ALIGNMENT__.
3683 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
3685 2009-01-18 Richard Guenther <rguenther@suse.de>
3687 PR tree-optimization/38819
3688 * tree-flow.h (operation_could_trap_helper_p): Declare.
3689 * tree-eh.c (operation_could_trap_helper_p): Export.
3690 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
3691 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
3692 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
3693 are about to insert a possibly trapping instruction and fail
3696 2009-01-18 Andreas Schwab <schwab@suse.de>
3698 * doc/install.texi (Configuration): Remove obsolete paragraph
3699 about use of --with-gnu-ld with --with-gnu-as.
3701 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
3703 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
3704 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
3705 Follow spelling conventions.
3707 2009-01-18 Ben Elliston <bje@au.ibm.com>
3709 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
3710 C++ warning about implicit conversion from void * to struct
3712 (bitmap_obstack_free): Likewise for bitmap_element *.
3713 * Makefile.in (bitmap.o-warn): Remove.
3715 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
3717 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
3719 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
3720 Tobias Grosser <tobi.grosser@amd.com>
3722 * graphite.c (graphite_trans_scop_block): Do not block single
3725 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
3727 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
3728 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
3729 test with assertion.
3731 2009-01-16 Richard Guenther <rguenther@suse.de>
3733 PR tree-optimization/38835
3735 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
3736 and INT + PTR -> (INT)(PTR p+ INT) folding.
3737 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
3739 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
3742 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
3743 the subreg from a lowpart subreg if it is also casting the value.
3745 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
3746 Tobias Grosser <tobi.grosser@amd.com>
3748 * graphite.c (compare_prefix_loops): New.
3749 (build_scop_canonical_schedules): Rewritten.
3750 (graphite_transform_loops): Move build_scop_canonical_schedules
3751 after build_scop_iteration_domain.
3753 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
3754 Tobias Grosser <tobi.grosser@amd.com>
3756 * graphite.c (add_conditions_to_domain): Add the loops to
3757 the dimension of the iteration domain. Do copy the domain
3758 only when it exists.
3759 (build_scop_conditions_1): Do not call add_conditions_to_domain.
3760 (add_conditions_to_constraints): New.
3761 (can_generate_code_stmt, can_generate_code): Removed.
3762 (gloog): Do not call can_generate_code.
3763 (graphite_transform_loops): Call add_conditions_to_constraints
3764 after building the iteration domain.
3766 2009-01-16 Jakub Jelinek <jakub@redhat.com>
3768 PR tree-optimization/38789
3769 * tree-ssa-threadedge.c
3770 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
3771 __builtin_constant_p.
3773 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
3775 * dce.c (delete_unmarked_insns): Reversed the order that insns are
3776 examined before deleting them.
3778 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
3780 * function.c (aggregate_value_p): Correctly extract the function
3781 type from CALL_EXPR_FN lookup.
3783 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3785 * config/picochip/picochip.c (picochip_override_options): Revert
3786 CFI asm flag disable commited previously.
3788 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
3789 Tobias Grosser <tobi.grosser@amd.com>
3790 Jan Sjodin <jan.sjodin@amd.com>
3792 * graphite.c (scan_tree_for_params): On substractions negate
3793 all the coefficients of the term.
3794 (clast_to_gcc_expression_red): New. Handle reduction expressions
3795 of more than two operands.
3796 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3797 (get_vdef_before_scop): Handle also the case of default definitions.
3799 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3801 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
3802 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
3803 Also use them when walking CALL_INSN_FUNCTION_USAGE.
3805 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
3806 Joey Ye <joey.ye@intel.com>
3809 * cfgexpand.c (expand_stack_alignment): Don't update stack
3810 boundary nor check incoming stack boundary here.
3811 (gimple_expand_cfg): Update stack boundary and check incoming
3812 stack boundary here.
3814 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
3816 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
3818 2009-01-14 Jakub Jelinek <jakub@redhat.com>
3820 PR rtl-optimization/38245
3821 * calls.c (expand_call): Add stack arguments to
3822 CALL_INSN_FUNCTION_USAGE even for pure calls (when
3823 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
3824 in regs and partially in memory or BLKmode arguments.
3825 (emit_library_call_value_1): Add stack arguments to
3826 CALL_INSN_FUNCTION_USAGE even for pure calls (when
3827 ACCUMULATE_OUTGOING_ARGS).
3828 * dce.c: Include tm_p.h.
3829 (find_call_stack_args): New function.
3830 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
3832 (mark_insn): Call find_call_stack_args for CALL_Ps.
3833 (prescan_insns_for_dce): Walk insns backwards in bb rather than
3834 forwards. Allocate and free arg_stores bitmap if needed, pass it
3835 down to deletable_insn_p, don't mark stores set in arg_stores
3836 bitmap, clear the bitmap at the beginning of each bb.
3837 * Makefile.in (dce.o): Depend on $(TM_P_H).
3839 2009-01-14 Michael Meissner <gnu@the-meissners.org>
3842 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
3843 to make sure the insn is a conditional test (bug 22599). Reformat a
3846 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
3849 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3850 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3851 (gloog): Do not call cleanup_tree_cfg.
3852 (graphite_transform_loops): Call cleanup_tree_cfg after all
3853 scops have been code generated.
3855 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
3856 * doc/gty.texi (Invoking the garbage collector): Added new node
3857 and section documenting ggc_collect.
3859 2009-01-14 Richard Guenther <rguenther@suse.de>
3861 PR tree-optimization/38826
3863 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
3864 initialization notes only if we actually emitted a warning.
3865 (intra_create_variable_infos): Add constraints for a result decl
3866 that is passed by hidden reference.
3867 (build_pred_graph): Mark all related variables non-direct on
3870 2009-01-14 Nick Clifton <nickc@redhat.com>
3872 * ira-conflicts.c: Include addresses.h for the definition of
3874 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
3875 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
3877 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
3880 * Makefile.in (ira-lives.o): Add except.h.
3882 * ira-lives.c: Include except.h.
3883 (process_bb_node_lives): Process can_throw_internal.
3885 2009-01-13 Jakub Jelinek <jakub@redhat.com>
3887 PR rtl-optimization/38774
3888 * combine.c (simplify_set): When undoing cc_use change, don't do
3889 PUT_CODE on the newly created comparison, but instead put back the
3892 2009-01-13 Joseph Myers <joseph@codesourcery.com>
3894 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
3895 values. Remove duplicate arm8 entry.
3897 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
3899 PR tree-optimization/38786
3900 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3901 the SSA_NAME case of expand_scalar_variables_expr.
3902 Set the type of an expression to the type of its assign statement.
3903 (expand_scalar_variables_expr): Also gather the scalar computation
3904 used to index the memory access. Do not pass loop_p.
3905 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
3906 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3907 the gimple_stmt_iterator where it inserts new code.
3909 (copy_bb_and_scalar_dependences): Do not pass loop_p.
3910 (translate_clast): Update call to copy_bb_and_scalar_dependences.
3912 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
3914 * graphite.h (debug_value): Removed.
3915 * graphite.c (debug_value): Removed.
3917 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
3919 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
3920 ldrd/strd with two 32-bit instructions.
3922 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
3924 * config/arm/arm.c (struct processors): Pass for speed down into
3925 cost helper functions.
3926 (const_ok_for_op): Handle COMPARE and inequality nodes.
3927 (arm_rtx_costs_1): Rewrite.
3928 (arm_size_rtx_costs): Update prototype.
3929 (arm_rtx_costs): Pass speed down to helper functions.
3930 (arm_slowmul_rtx_costs): Rework cost calculations.
3931 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
3932 (arm_9e_rtx_costs): Likewise.
3934 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
3936 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
3937 relocations of local symbols wider than UNITS_PER_WORD are not valid.
3938 (alpha_legitimize_address): Do not split local symbols wider than
3939 UNITS_PER_WORD into HIGH/LO_SUM parts.
3941 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
3944 * gcc.c (process_command): Replace call to execvp with calls
3945 to pex_one and exit.
3947 2009-01-03 Anatoly Sokolov <aesok@post.ru>
3950 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
3951 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
3952 variant for devices with 3-byte PC.
3953 (__tablejump_elpm__): New.
3955 2009-01-12 Jakub Jelinek <jakub@redhat.com>
3958 * c-parser.c (c_parser_postfix_expression): Allow `->' in
3959 offsetof member-designator, handle it as `[0].'.
3961 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3963 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
3964 function when not using named sections on targets with named sections
3965 if branch distance is less than 262132.
3967 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
3969 * combine.c (combine_instructions): Recompute
3970 optimize_this_for_speed_p for each BB in the main combine loop.
3972 2009-01-12 Tomas Bily <tbily@suse.cz>
3975 * tree-loop-distribution.c (prop_phis): New function.
3976 (generate_builtin): Call prop_phis.
3977 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
3979 2009-01-12 Jakub Jelinek <jakub@redhat.com>
3981 PR tree-optimization/38807
3982 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
3983 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
3985 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
3987 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
3988 subreg of op0 to the original op0.
3990 2009-01-11 Laurent GUERBY <laurent@guerby.net>
3992 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
3994 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
3997 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
3998 starting with digits.
4000 2009-01-10 Jakub Jelinek <jakub@redhat.com>
4003 * config/arm/arm.c (arm_is_long_call_p): Don't call
4004 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
4006 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
4008 * regrename.c (regrename_optimize): Fix dumping.
4009 (find_oldest_value_reg): Preserve REG_POINTER.
4010 (copy_hardreg_forward_1): Likewise.
4012 2009-01-09 Diego Novillo <dnovillo@google.com>
4014 * gimple.h (struct gimple_statement_base) <uid>: Document
4015 the restrictions on its use.
4017 (gimple_set_uid): Tidy.
4019 2009-01-09 Jakub Jelinek <jakub@redhat.com>
4021 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
4022 zero guard even if align_bytes != 0 and count is smaller than
4025 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
4027 PR rtl-optimization/38495
4028 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
4029 (add_range_and_copies_from_move_list): Print all added ranges.
4030 Add ranges to memory optimized destination.
4032 2009-01-09 Jakub Jelinek <jakub@redhat.com>
4036 * config/i386/i386.c (override_options): Reject
4037 -mstringop-strategy=rep_8byte with -m32.
4038 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
4039 to 1. Do count comparison against epilogue_size_needed at compile
4040 time even when count_exp was constant forced into register. For
4041 size_needed don't jump to epilogue, instead just avoid aligning
4042 and invoke the body algorithm. If need_zero_guard, add zero guard
4043 even if count is non-zero, but smaller than size_needed + number of
4044 bytes that could be stored for alignment.
4045 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
4046 to 1. If need_zero_guard, add zero guard even if count is non-zero,
4047 but smaller than size_needed + number of bytes that could be stored
4048 for alignment. Compare size_needed with epilogue_size_needed instead
4049 of desired_align - align, don't adjust size_needed, pass
4050 epilogue_size_needed to the epilogue expanders.
4053 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
4055 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4057 * pa.c (last_address): Change to unsigned.
4058 (update_total_code_bytes): Change argument to unsigned. Don't
4059 check if insn addresses are set.
4060 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
4061 addresses are not set.
4062 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
4064 2009-01-09 Nick Clifton <nickc@redhat.com>
4066 * config/sh/symbian.c: Replace uses of DECL_INLINE with
4067 DECL_DECLARED_INLINE_P.
4069 2009-01-09 Jakub Jelinek <jakub@redhat.com>
4072 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
4073 GET_MODE (op0) in operand_subword_force calls.
4076 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
4077 fold_convert arg0 operands to TREE_TYPE (op0) first.
4079 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
4081 * params.def (ira-max-conflict-table-size): Decrease default value
4084 2009-01-08 Jakub Jelinek <jakub@redhat.com>
4086 PR tree-optimization/37031
4087 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
4089 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
4090 allocate it using gc instead of heap, use VEC_quick_push instead of
4092 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
4093 instead of heap, use VEC_quick_push instead of VEC_safe_push.
4094 * tree-data-ref.h (struct access_matrix): Change matrix to gc
4095 allocated vector from heap allocated.
4096 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
4097 * tree-loop-linear.c (linear_transform_loops): Allocate nest
4098 vector only after perfect_loop_nest_depth call.
4100 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
4101 Jan Sjodin <jan.sjodin@amd.com>
4103 PR tree-optimization/38559
4104 * graphite.c (debug_value, copy_constraint,
4105 swap_constraint_variables, scale_constraint_variable, ): New.
4106 (get_lower_bound, get_upper_bound): Removed.
4107 (graphite_trans_bb_strip_mine): Clean up this code that works
4108 only for constant number of iterations. Fully copy upper and
4109 lower bound constraints, not only the constant part of them.
4110 * graphite.h (debug_value): Declared.
4112 2009-01-08 Ira Rosen <irar@il.ibm.com>
4114 PR tree-optimization/37194
4115 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
4116 Don't add the cost of cost model guard in prologue to scalar
4117 outside cost in case of known number of iterations.
4119 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
4120 Alan Modra <amodra@bigpond.net.au>
4122 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
4123 non-word-aligned REG+CONST addressing.
4125 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
4128 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
4129 free_after_compilation when outputting a thunk.
4130 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
4131 Do not call free_after_compilation here.
4133 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
4135 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
4136 (ix86_valid_target_attribute_inner_p): Ditto.
4138 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
4140 PR tree-optimization/38492
4141 PR tree-optimization/38498
4142 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
4143 * tree-chrec.h (scev_is_linear_expression): Declared.
4144 * graphite.c (graphite_cannot_represent_loop_niter): New.
4145 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
4146 (graphite_loop_normal_form): Use gcc_assert.
4147 (scan_tree_for_params): Use CASE_CONVERT.
4148 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
4149 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
4150 Use gcc_assert. Discard scops that contain unhandled cases.
4151 (build_scop_conditions): Return a boolean status for unhandled cases.
4152 (strip_mine_profitable_p): Print the loop number, not its depth.
4153 (is_interchange_valid): Pass the depth of the loop nest, don't
4154 recompute it wrongly.
4155 (graphite_trans_bb_block): Same.
4156 (graphite_trans_bb_block): Print tentative of loop blocking.
4157 (graphite_trans_scop_block): Do not print that the loop has been
4159 (graphite_transform_loops): Do not handle scops that contain condition
4162 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
4164 AVX Programming Reference (December, 2008)
4165 * config/i386/avxintrin.h (_mm256_stream_si256): New.
4166 (_mm256_stream_pd): Likewise.
4167 (_mm256_stream_ps): Likewise.
4169 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
4170 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
4171 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
4172 (bdesc_special_args): Add __builtin_ia32_movntdq256,
4173 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
4174 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
4175 (ix86_expand_special_args_builtin): Likewise.
4177 * config/i386/sse.md (AVXMODEDI): New.
4178 (avx_movnt<mode>): Likewise.
4179 (avx_movnt<mode>): Likewise.
4180 (<sse>_movnt<mode>): Remove AVX support.
4181 (sse2_movntv2di): Likewise.
4183 2009-01-07 Richard Guenther <rguenther@suse.de>
4186 * fold-const.c (extract_muldiv): Remove obsolete comment.
4187 (fold_plusminus_mult_expr): Undo MINUS_EXPR
4188 to PLUS_EXPR canonicalization for the canonicalization.
4190 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
4192 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
4193 hosted cross-compilers generating less efficient code.
4195 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
4197 * function.h (rtl_data): Add a dbr_scheduled_p field.
4198 * reorg.c (dbr_schedule): Set it.
4199 (gate_handle_delay_slots): Check it.
4200 * config/mips/mips.c (mips_base_delayed_branch): Delete.
4201 (mips_reorg): Check flag_delayed_branch instead of
4202 mips_base_delayed_branch.
4203 (mips_override_options): Don't set mips_base_delayed_branch
4204 or flag_delayed_branch.
4206 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
4208 PR rtl-optimization/38426.
4209 * ira.c (ira): Set current_function_is_leaf earlier.
4211 2009-01-06 Jakub Jelinek <jakub@redhat.com>
4213 PR rtl-optimization/38722
4214 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
4215 too early, only set a flag and modify after last possible
4218 2009-01-06 Janis Johnson <janis187@us.ibm.com>
4221 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
4222 * real.c (decimal_single_format): Correct values of emin and emax.
4223 (decimal_double_format): Ditto.
4224 (decimal_quad_format): Ditto.
4225 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
4226 computation of DECnn_MIN and DECnn_MAX for corrected values of
4227 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
4228 __DECnn_MIN__, and adjust its computation for the corrected value
4231 2009-01-06 Jan Hubicka <jh@suse.cz>
4234 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
4236 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
4238 * doc/contrib.texi (Contributors): Slightly adjust the end note.
4239 Add Robert Clark to the list of testers.
4241 2009-01-06 Jan Hubicka <jh@suse.cz>
4242 Kai Tietz <kai.tietz@onevision.com>
4244 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
4245 * config/i386/i386.c (ix86_expand_call): Add clobbers.
4247 2009-01-06 Jan Hubicka <jh@suse.cz>
4248 Kai Tietz <kai.tietz@onevision.com>
4250 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
4252 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
4253 (ix86_nsaved_regs): Count only general purpose regs.
4254 (ix86_nsaved_sseregs): New.
4255 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
4256 to 16 for w64; compute padding and size of sse reg save area.
4257 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
4258 general purpose regs.
4259 (ix86_emit_save_sse_regs_using_mov): New.
4260 (ix86_expand_prologue): Save SSE regs if needed.
4261 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
4262 (ix86_emit_restore_sse_regs_using_mov): New.
4263 (ix86_expand_epilogue): Save SSE regs if needed.
4265 2009-01-06 Jan Hubicka <jh@suse.cz>
4266 Kai Tietz <kai.tietz@onevision.com>
4268 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
4269 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
4270 functions when accumulate outgoing args is off.
4272 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
4275 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
4276 before using pseudos_have_intersected_live_ranges_p.
4278 * ira-int.h (ira_assert): Always define.
4280 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
4282 AVX Programming Reference (December, 2008)
4283 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
4284 (_mm256_permute2_pd): Likewise.
4285 (_mm_permute2_ps): Likewise.
4286 (_mm256_permute2_ps): Likewise.
4287 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
4288 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
4290 * config/i386/i386.c (ix86_builtins): Remove
4291 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
4292 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
4293 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
4294 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
4295 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
4296 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
4297 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
4298 __builtin_ia32_vpermil2ps256.
4299 (ix86_init_mmx_sse_builtins): Updated.
4300 (ix86_expand_args_builtin): Likewise.
4302 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4304 * pa.c (output_call): Relocate non-jump insns in the delay slot of
4305 long absolute calls when generating PA 2.0 code.
4307 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
4309 PR rtl-optimization/38583
4310 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
4312 * params.def (ira-max-conflict-table-size): New.
4314 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
4316 * ira.h (ira_conflicts_p): New external definition.
4318 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
4319 table. Report this. Return result of building.
4320 (ira_build_conflicts): Use ira_conflicts_p. Check result of
4321 building conflict table.
4323 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
4324 (ira_color): Use ira_conflicts_p.
4326 * global.c: Include ira.h.
4327 (pseudo_for_reload_consideration_p, build_insn_chain): Use
4330 * Makefile.in (global.o): Add ira.h.
4332 * ira-build.c (mark_all_loops_for_removal,
4333 propagate_some_info_from_allocno): New.
4334 (remove_unnecessary_allocnos): Call
4335 propagate_some_info_from_allocno.
4336 (remove_low_level_allocnos): New.
4337 (remove_unnecessary_regions): Add parameter. Call
4338 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
4339 parameter to remove_unnecessary_regions.
4340 (ira_build): Remove all regions but root if the conflict table was
4341 not built. Update conflict hard regs for allocnos crossing calls.
4343 * ira.c (ira_conflicts_p): New global.
4344 (ira): Define and use ira_conflicts_p.
4346 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
4347 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
4348 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
4350 2009-01-06 Ben Elliston <bje@au.ibm.com>
4352 * gengtype-lex.l (YY_NO_INPUT): Define.
4354 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
4357 * c-common.c (handle_vector_size_attribute): Also reject
4360 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
4362 PR tree-optimization/38492
4363 * graphite.c (rename_map_elt, debug_rename_elt,
4364 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4365 rename_map_elt_info, eq_rename_map_elts,
4366 get_new_name_from_old_name, bb_in_sese_p): Moved around.
4367 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4368 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4369 (sese_build_livein_liveouts): New.
4370 (new_sese, free_sese): New.
4371 (new_scop): Call new_sese.
4372 (free_scop): Call free_sese.
4373 (rename_variables_from_edge, rename_phis_end_scop): Removed.
4374 (register_old_new_names): Renamed register_old_and_new_names.
4375 (register_scop_liveout_renames, add_loop_exit_phis,
4376 insert_loop_close_phis, struct igp,
4377 default_liveout_before_guard, add_guard_exit_phis,
4378 insert_guard_phis, copy_renames): New.
4379 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4380 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4381 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4382 (scop_adjust_phis_for_liveouts): New.
4383 (gloog): Call scop_adjust_phis_for_liveouts.
4385 * graphite.h (struct sese): Documented. Added fields liveout,
4387 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4388 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4389 (struct scop): Added field liveout_renames.
4390 (SCOP_LIVEOUT_RENAMES): New.
4392 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
4394 PR tree-optimization/38510
4395 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4396 (translate_clast): Call recompute_all_dominators before
4398 (gloog): Call recompute_all_dominators before graphite_verify.
4400 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
4401 Jan Sjodin <jan.sjodin@amd.com>
4403 PR tree-optimization/38500
4404 * graphite.c (create_sese_edges): Call fix_loop_structure after
4407 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
4409 * config.gcc: Add m32r*-*-rtems*.
4410 * config/m32r/rtems.h: New file.
4412 2009-01-05 Ben Elliston <bje@au.ibm.com>
4414 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
4415 (.po.pox): Likewise.
4416 (po/gcc.pot): Likewise.
4418 2009-01-04 David S. Miller <davem@davemloft.net>
4420 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
4421 (STARTING_FRAME_OFFSET): Always set to zero.
4423 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
4425 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
4426 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
4427 fixed-point types, and vectors of the same.
4429 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
4431 * config/mips/sync.md (*mb_barrier): Rename to...
4432 (*memory_barrier): ...this.
4434 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
4436 * doc/extend.texi (Function Attributes): Move @cindex after @item
4437 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
4438 and put in alphabetical order. Fix 'target' name and put in order.
4439 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
4442 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
4444 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
4445 (memory_barrier): Expand as unspec instead of unspec_volatile.
4446 Remove mem:BLK from insn operands. Use Pmode scratch register.
4447 (*memory_barrier): Define as unspec instead of unspec_volatile.
4448 Use (match_dup 0) as input operand.
4450 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
4451 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
4452 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
4453 scratch register. Remove operand 1.
4454 (*stbar): Define as unspec instead of unspec_volatile.
4455 Use (match_dup 0) as input operand, remove (const_int 8).
4456 (*membar): Define as unspec instead of unspec_volatile.
4457 Use (match_dup 0) as input operand, remove input operand 2.
4459 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
4460 (memory_barrier): Expand as unspec instead of unspec_volatile.
4461 Remove mem:BLK from insn operands. Use Pmode scratch register.
4462 (*memory_barrier): Define as unspec instead of unspec_volatile.
4463 Use (match_dup 0) as input operand.
4465 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
4466 Remove mem:BLK from insn operands. Use Pmode scratch register.
4467 Set volatile flag on operand 0.
4468 (*memory_barrier): New insn pattern.
4470 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
4472 (*memory_barrier): Use (match_dup 0) as input operand.
4474 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
4475 Remove mem:BLK from insn operands. Use Pmode scratch register.
4476 Set volatile flag on operand 0.
4477 (*mb_internal): New insn pattern.
4479 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
4481 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
4484 * function.c (struct temp_slot): Move to the section of the file
4485 that deals with temp slots. Remove field 'address'.
4486 (temp_slot_address_table): New hash table of address -> temp slot.
4487 (struct temp_slot_address_entry): New struct, items for the table.
4488 (temp_slot_address_compute_hash, temp_slot_address_hash,
4489 temp_slot_address_eq, insert_temp_slot_address): Support functions
4491 (find_temp_slot_from_address): Rewrite to use the new hash table.
4492 (remove_unused_temp_slot_addresses): Remove addresses of temp
4493 slots that have been made available.
4494 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
4495 worker function for remove_unused_temp_slot_addresses.
4496 (assign_stack_temp_for_type): Don't clear the temp slot address list.
4497 Add the temp slot address to the address -> temp slot map.
4498 (update_temp_slot_address): Update via insert_temp_slot_address.
4499 (free_temp_slots): Call remove_unused_temp_slot_addresses.
4500 (pop_temp_slots): Likewise.
4501 (init_temp_slots): Allocate the address -> temp slot map, or empty
4502 the map if it is already allocated.
4503 (prepare_function_start): Initialize temp slot processing.
4505 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
4508 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
4509 Calculate the size of all stack vars assuming no packing of stack
4510 vars will happen, replacing a quadratic algorithm with a linear one.
4512 2009-01-03 Jakub Jelinek <jakub@redhat.com>
4515 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
4518 2009-01-03 Diego Novillo <dnovillo@google.com>
4520 * doc/contrib.texi: Update contributions.
4522 2009-01-03 Jakub Jelinek <jakub@redhat.com>
4525 * builtins.c (fold_builtin_memory_op): Give up if either operand
4526 is volatile. Set srctype or desttype to non-qualified version
4530 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
4533 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
4535 PR rtl-optimization/35805
4536 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
4537 problem if fast dce is able to remove any instructions.
4538 * dce.c (dce_process_block): Fix dump message.
4540 2009-01-02 Mark Mitchell <mark@codesourcery.com>
4543 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
4545 2009-01-02 Jakub Jelinek <jakub@redhat.com>
4548 * tree-flow.h (op_code_prio, op_prio): New prototypes.
4549 * tree-pretty-print.c (op_code_prio): New function.
4550 (op_prio): No longer static. Use op_code_prio.
4551 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
4552 Use op_prio and op_code_prio to determine if () should be
4553 printed around operand(s) or not.
4555 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
4556 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
4557 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
4558 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
4559 pp_character instead of pp_string for single letter printing.
4561 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4563 * doc/extend.texi: Fix '#pragma GCC option' typo.
4565 2009-01-02 Richard Guenther <rguenther@suse.de>
4567 * doc/install.texi (--enable-checking): Mention different
4569 (--enable-stage1-checking): Document.
4571 2009-01-01 Andrew Pinski <pinskia@gmail.com>
4574 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
4575 case to be an error.
4577 2009-01-02 Ben Elliston <bje@au.ibm.com>
4579 * config/fp-bit.h (pack_d): Constify argument.
4580 * config/fp-bit.c (makenan): Constify return type. Remove casts.
4581 (isnan): Constify argument.
4585 (_fpadd_parts): Constify return type.
4586 (_fpmul_parts): Likewise.
4587 (_fpdiv_parts): Likewise.
4589 2009-01-01 Jakub Jelinek <jakub@redhat.com>
4592 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
4593 warn about overwriting initializer with side-effects or
4594 -Woverride-init if !IMPLICIT.
4595 (output_init_element): Likewise. Pass IMPLICIT down to
4597 (process_init_element): Add IMPLICIT argument. Pass it down
4598 to output_init_element.
4599 (push_init_element, pop_init_level, set_designator): Adjust
4600 process_init_element callers.
4601 (set_nonincremental_init, set_nonincremental_init_from_string):
4602 Adjust add_pending_init callers.
4603 (output_pending_init_elements): Adjust output_init_element callers.
4604 * c-tree.h (process_init_element): Adjust prototype.
4605 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
4606 process_init_element callers.