1 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
3 * ira-int.h (ira_allocno): Rename left_conflicts_num to
5 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
6 ALLOCNO_LEFT_CONFLICTS_SIZE.
8 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
9 remove_allocno_from_bucket_and_push,
10 allocno_spill_priority_compare, push_allocnos_to_stack,
11 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
12 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
13 (setup_allocno_left_conflicts_num): Ditto. Rename to
14 setup_allocno_left_conflicts_size.
15 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
16 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
17 setup_allocno_left_conflicts_size instead of
18 setup_allocno_left_conflicts_num.
20 * ira-build.c (ira_create_allocno): Use
21 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
22 ALLOCNO_LEFT_CONFLICTS_NUM.
24 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
26 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
29 * ira-lives.c (process_bb_node_lives): Ditto.
31 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
32 instead of DF_LR_{OUT,IN}.
34 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
36 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
38 2009-03-30 Jan Hubicka <jh@suse.cz>
40 * except.c (label_to_region_map): Fix thinko.
42 2009-03-30 Steve Ellcey <sje@cup.hp.com>
45 * tree.h (tree_find_value): New declaration.
46 * tree.c (tree_find_value): New function.
47 * varasm.c (assemble_external): Avoid duplicate entries on lists.
49 2009-03-30 Jakub Jelinek <jakub@redhat.com>
52 * c-decl.c (struct c_binding): Add locus field.
53 (bind): Add locus argument, set locus field from it.
54 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
55 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
56 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
57 implicitly_declare, undeclared_variable, lookup_label,
58 declare_label, c_make_fname_decl, c_builtin_function,
59 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
62 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
65 * config/i386/i386.c (classify_argument): Check total size of
68 2009-03-30 Martin Jambor <mjambor@suse.cz>
70 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
71 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
72 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
75 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
76 seen_variable_array_ref while also traversing a union.
78 * tree-inline.c (optimize_inline_calls): Do not call
79 cgraph_node_remove_callees.
80 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
81 (pass_remove_cgraph_callee_edges): New variable.
82 * passes.c (init_optimization_passes): Add
83 pass_remove_cgraph_callee_edges after early inlining and before all
84 late intraprocedural passes.
86 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
88 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
90 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
93 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
95 * combine.c (simplify_comparison): Use have_insn_for.
96 * dojump.c (do_jump): Likewise.
98 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
100 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
101 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
102 sparc_compare_op0 like sparc_compare_emitted used to be handled.
103 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
104 instead of sparc_compare_emitted.
105 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
106 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
107 instead of sparc_compare_emitted.
109 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
111 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
112 enter/exit cfglayout mode.
113 (pass_partition_block): Require it.
114 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
115 (combine_instructions): Track basic blocks instead of labels.
116 (update_cfg_for_uncondjump): New.
117 (try_combine): Use it. Update jumps after rescanning.
118 (pass_combine): Require PROP_cfglayout.
119 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
121 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
123 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
124 Provide/destroy PROP_cfglayout respectively.
125 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
126 * tree-pass.h (PROP_cfglayout): New.
128 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
130 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
131 fold_convert_const_fixed_from_fixed,
132 fold_convert_const_fixed_from_int,
133 fold_convert_const_fixed_from_real, fold_negate_const): Do not
134 set TREE_CONSTANT_OVERFLOW.
135 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
136 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
138 2009-03-30 Ira Rosen <irar@il.ibm.com>
140 * tree-vect-loop-manip.c: New file.
141 * tree-vectorizer.c: Update documentation and included files.
142 (vect_loop_location): Make extern.
143 (rename_use_op): Move to tree-vect-loop-manip.c
144 (rename_variables_in_bb, rename_variables_in_loop,
145 slpeel_update_phis_for_duplicate_loop,
146 slpeel_update_phi_nodes_for_guard1,
147 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
148 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
149 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
150 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
151 find_loop_location): Likewise.
152 (new_stmt_vec_info): Move to tree-vect-stmts.c.
153 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
154 get_vectype_for_scalar_type, vect_is_simple_use,
155 supportable_widening_operation, supportable_narrowing_operation):
157 (bb_in_loop_p): Move to tree-vect-loop.c.
158 (new_loop_vec_info, destroy_loop_vec_info,
159 reduction_code_for_scalar_code, report_vect_op,
160 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
161 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
162 (vect_supportable_dr_alignment): Likewise.
163 * tree-vectorizer.h (tree-data-ref.h): Include.
164 (vect_loop_location): Declare.
165 Reorganize function declarations according to the new file structure.
166 * tree-vect-loop.c: New file.
167 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
168 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
169 * tree-vect-data-refs.c: New file.
170 * tree-vect-patterns.c (timevar.h): Don't include.
171 * tree-vect-stmts.c: New file.
172 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
173 tree-vect-slp.c, tree-vect-loop.c.
174 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
175 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
176 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
177 (tree-vect-analyze.o): Remove.
178 (tree-vect-transform.o): Likewise.
179 (tree-vect-data-refs.o): Add rule.
180 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
181 tree-vect-slp.o): Likewise.
182 (tree-vect-patterns.o): Remove redundant dependencies.
183 (tree-vectorizer.o): Likewise.
184 * tree-vect-slp.c: New file.
186 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
188 * optc-gen.awk: Warn if an option flag has multiple different
191 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
193 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
194 -floop-block): Document dependences on PPL, CLooG and Graphite.
196 2009-03-30 Joseph Myers <joseph@codesourcery.com>
198 PR rtl-optimization/323
199 * c-common.c (c_fully_fold, convert_and_check,
200 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
201 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
202 * c-common.def (EXCESS_PRECISION_EXPR): New.
203 * c-cppbuiltin.c (builtin_define_float_constants): Define
204 constants with enough digits for long double.
205 * c-lex.c (interpret_float): Interpret constant with excess
206 precision where appropriate.
207 * c-opts.c (c_common_post_options): Set
208 flag_excess_precision_cmdline. Give an error for
209 -fexcess-precision=standard for C++ for processors where the
210 option is significant.
211 * c-parser.c (c_parser_conditional_expression): Handle excess
212 precision in condition.
213 * c-typeck.c (convert_arguments): Handle arguments with excess
215 (build_unary_op): Move excess precision outside operation.
216 (build_conditional_expr): Likewise.
217 (build_compound_expr): Likewise.
218 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
219 (build_modify_expr): Handle excess precision in RHS.
220 (convert_for_assignment): Handle excess precision in converted
222 (digest_init, output_init_element, process_init_element): Handle
223 excess precision in initializer.
224 (c_finish_return): Handle excess precision in return value.
225 (build_binary_op): Handle excess precision in operands and add
226 excess precision as needed for operation.
227 * common.opt (-fexcess-precision=): New option.
228 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
229 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
230 For standard excess precision, output explicit conversion to and
231 truncation from XFmode.
232 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
233 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
234 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
235 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
236 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
237 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
238 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
239 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
240 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
241 define_splits, sqrt<mode>2): Disable where appropriate for
242 standard excess precision.
243 * convert.c (convert_to_real): Do not shorten arithmetic to type
244 for which excess precision would be used.
245 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
246 * doc/invoke.texi (-fexcess-precision=): Document option.
247 (-mfpmath=): Correct index entry.
248 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
249 flag_excess_precision): New.
250 * langhooks.c (lhd_post_options): Set
251 flag_excess_precision_cmdline.
252 * opts.c (common_handle_option): Handle -fexcess-precision=.
253 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
254 init_excess_precision): New.
255 (lang_dependent_init_target): Call init_excess_precision.
256 * tree.c (excess_precision_type): New.
257 * tree.h (excess_precision_type): Declare.
259 2009-03-30 Joseph Myers <joseph@codesourcery.com>
262 * c-typeck.c (build_component_ref): Do not copy qualifiers from
263 non-lvalue to component.
265 2009-03-29 Joseph Myers <joseph@codesourcery.com>
267 PR preprocessor/34695
268 * Makefile.in (c-opts.o): Depend on c-tree.h.
269 * c-common.c: Move down include of diagnostic.h.
270 (done_lexing, c_cpp_error): New.
271 * c-common.h (done_lexing): Declare.
272 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
274 * c-opts.c: Include c-tree.h.
275 (c_common_init_options): Set preprocessor error callback.
276 (c_common_handle_option): Do not set preprocessor
277 inhibit_warnings, warnings_are_errors, warn_system_headers,
278 pedantic_errors or inhibit_warnings flags.
279 (c_common_post_options): Do not check cpp_errors (parse_in).
280 (c_common_finish): Do not output dependencies if there were
281 errors. Do not check return value of cpp_finish.
282 * c-ppoutput.c (pp_file_change): Set input_location.
283 * c-tree.h (c_cpp_error): Declare.
284 * diagnostic.c (diagnostic_set_info_translated): Also initialize
286 (diagnostic_build_prefix): Check override_column.
287 * diagnostic.h (diagnostic_info): Add override_column field.
288 (diagnostic_override_column): Define.
290 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
292 * c-common.c (c_expand_expr, c_staticp): Remove.
293 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
294 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
295 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
296 * c-gimplify.c (gimplify_compound_literal_expr,
297 optimize_compound_literals_in_ctor): Remove.
298 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
299 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
300 * c-semantics.c (emit_local_var): Remove.
302 * langhooks-def.h (lhd_expand_expr): Remove.
303 * langhooks.c (lhd_expand_expr): Remove.
304 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
306 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
307 handling from c-semantics.c; don't call into langhook.
308 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
309 * gimplify.c (gimplify_compound_literal_expr,
310 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
311 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
312 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
313 as was done in c-gimplify.c.
314 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
315 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
316 Move from c-common.h.
317 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
319 * tree.c (staticp): Do not call langhook.
320 * langhooks.c (lhd_staticp): Delete.
321 * langhooks-def.h (lhd_staticp): Delete prototype.
322 (LANG_HOOKS_STATICP): Delete.
323 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
325 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
326 instead of DECL_STMTs.
328 2009-03-29 Joseph Myers <joseph@codesourcery.com>
336 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
338 (fold_call_expr): Return a NOP_EXPR from folding rather than the
339 contained expression.
340 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
341 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
342 conditional expressions for C.
343 (decl_constant_value_for_optimization): Move from
344 decl_constant_value_for_broken_optimization in c-typeck.c. Check
345 whether optimizing and that the expression is a VAR_DECL not of
346 array type instead of doing such checks in the caller. Do not
347 check pedantic. Call gcc_unreachable for C++.
348 * c-common.def (C_MAYBE_CONST_EXPR): New.
349 * c-common.h (c_fully_fold, c_save_expr,
350 decl_constant_value_for_optimization): New prototypes.
351 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
352 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
353 EXPR_INT_CONST_OPERANDS): Define.
354 * c-convert.c (convert): Strip nops from expression.
355 * c-decl.c (groktypename): Take extra parameters expr and
356 expr_const_operands. Update call to grokdeclarator.
357 (start_decl): Update call to grokdeclarator. Add statement for
358 expressions used in type of decl.
359 (grokparm): Update call to grokdeclarator.
360 (push_parm_decl): Update call to grokdeclarator.
361 (build_compound_literal): Add parameter non_const and build a
362 C_MAYBE_COSNT_EXPR if applicable.
363 (grokdeclarator): Take extra parameters expr and
364 expr_const_operands. Track expressions used in declaration
365 specifiers and declarators. Fold array sizes and track whether
366 they are constant expressions and whether they are integer
367 constant expressions.
368 (parser_xref_tag): Set expr and expr_const_operands fields in
370 (grokfield): Update call to grokdeclarator.
371 (start_function): Update call to grokdeclarator.
372 (build_null_declspecs): Set expr and expr_const_operands fields in
374 (declspecs_add_type): Handle expressions in typeof specifiers.
375 * c-parser.c (c_parser_declspecs): Set expr and
376 expr_const_operands fields for declaration specifiers.
377 (c_parser_enum_specifier): Likewise.
378 (c_parser_struct_or_union_specifier): Likewise.
379 (c_parser_typeof_specifier): Likewise. Update call to
380 groktypename. Fold expression as needed. Return expressions with
381 type instead of adding statements.
382 (c_parser_attributes): Update calls to c_parser_expr_list.
383 (c_parser_statement_after_labels): Fold expression before passing
384 to objc_build_throw_stmt.
385 (c_parser_condition): Fold expression.
386 (c_parser_asm_operands): Fold expression.
387 (c_parser_conditional_expression): Use c_save_expr. Update call
388 to build_conditional_expr.
389 (c_parser_alignof_expression): Update call to groktypename.
390 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
391 original_code. Fold expression argument of va_arg. Create
392 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
393 argument to va_arg. Update calls to groktypename. Fold array
394 index for offsetof. Verify that first argument to
395 __builtin_choose_expr has integer type.
396 (c_parser_postfix_expression_after_paren_type): Update calls to
397 groktypename and build_compound_literal. Handle expressions with
398 side effects in type name.
399 (c_parser_postfix_expression_after_primary): Update call to
400 c_parser_expr_list. Set original_code for calls to
401 __builtin_constant_p.
402 (c_parser_expr_list): Take extra parameter fold_p. Fold
403 expressions if requested.
404 (c_parser_objc_type_name): Update call to groktypename.
405 (c_parser_objc_synchronized_statement): Fold expression.
406 (c_parser_objc_receiver): Fold expression.
407 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
408 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
409 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
410 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
411 (struct c_typespec): Add elements expr and expr_const_operands.
412 (struct c_declspecs): Add elements expr and expr_const_operands.
413 (groktypename, build_conditional_expr, build_compound_literal):
415 (in_late_binary_op): Declare.
416 * c-typeck.c (note_integer_operands): New function.
417 (in_late_binary_op): New variable.
418 (decl_constant_value_for_broken_optimization): Move to c-common.c
419 and rename to decl_constant_value_for_optimization.
420 (default_function_array_conversion): Do not strip nops.
421 (default_conversion): Do not call
422 decl_constant_value_for_broken_optimization.
423 (build_array_ref): Do not fold result.
424 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
425 result when operand is a VLA.
426 (c_expr_sizeof_type): Update call to groktypename. Handle
427 expressions included in type name. Use C_MAYBE_CONST_EXPR for
428 result when operand names a VLA type.
429 (build_function_call): Update call to build_compound_literal.
430 Only fold result for calls to __builtin_* functions. Strip
431 NOP_EXPR from INTEGER_CST returned from such functions. Fold
432 the function designator.
433 (convert_arguments): Fold arguments. Update call to
434 convert_for_assignment.
435 (build_unary_op): Handle increment and decrement of
436 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
437 decrement earlier. Fold operand of increment and decrement.
438 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
439 built for integer operand. Wrap returns that are INTEGER_CSTs
440 without being integer constant expressions or that have integer
441 constant operands without being INTEGER_CSTs.
442 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
443 (build_conditional_expr): Add operand ifexp_bcp. Track whether
444 result is an integer constant expression or can be used in
445 unevaluated parts of one and avoid folding and wrap as
446 appropriate. Fold operands before possibly doing -Wsign-compare
448 (build_compound_expr): Wrap result for C99 if operands can be used
449 in integer constant expressions.
450 (build_c_cast): Update call to digest_init. Do not ignore
451 overflow from casting floating-point constants to integers. Wrap
452 results that could be confused with integer constant expressions,
453 null pointer constants or floating-point constants.
454 (c_cast_expr): Update call to groktypename. Handle expressions
455 included in type name.
456 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
457 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
458 Update calls to convert_for_assignment.
459 (convert_for_assignment): Take new parameter
460 null_pointer_constant. Do not strip nops or call
461 decl_constant_value_for_broken_optimization. Set
462 in_late_binary_op for conversions to boolean.
463 (store_init_value): Update call to digest_init.
464 (digest_init): Take new parameter null_pointer_constant. Do not
465 call decl_constant_value_for_broken_optimization. pedwarn for
466 initializers not constant expressions. Update calls to
467 convert_for_assignment.
468 (constructor_nonconst): New.
469 (struct constructor_stack): Add nonconst element.
470 (really_start_incremental_init, push_init_level, pop_init_level):
471 Handle constructor_nonconst and nonconst element.
472 (set_init_index): Call constant_expression_warning for array
474 (output_init_element): Fold value. Set constructor_nonconst as
475 applicable. pedwarn for initializers not constant expressions.
476 Update call to digest_init. Call constant_expression_warning
477 where constant initializers are required.
478 (process_init_element): Use c_save_expr.
479 (c_finish_goto_ptr): Fold expression.
480 (c_finish_return): Fold return value. Update call to
481 convert_for_assignment.
482 (c_start_case): Fold switch expression.
483 (c_process_expr_stmt): Fold expression.
484 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
485 ensure statement expression is not evaluated in constant expression.
486 (build_binary_op): Track whether results are integer constant
487 expressions or may occur in such, disable folding and wrap results
488 as applicable. Fold operands for -Wsign-compare warnings unless
490 (c_objc_common_truthvalue_conversion): Handle results folded to
491 integer constants that are not integer constant expressions.
492 * doc/extend.texi: Document when typeof operands are evaluated,
493 that condition of __builtin_choose_expr is an integer constant
494 expression, and more about use of __builtin_constant_p in
497 2009-03-29 Richard Guenther <rguenther@suse.de>
499 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
500 propagate addresses of array references.
502 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
504 * regmove.c (perhaps_ends_bb_p): Remove.
505 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
506 from INSN and check that the main loop stays within that basic block.
507 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
508 (regmove_forward_pass): Split out from regmove_optimize. Use
509 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
510 (regmove_backward_pass): Split out from regmove_optimize. Use
511 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
512 (regmove_optimize): Simplify.
514 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
517 * config/i386/i386.c (classify_argument): Ignore flexible array
518 member in struct and warn ABI change.
520 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
522 * config/i386/i386-protos.h (ix86_agi_dependent): New.
524 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
525 (ix86_adjust_cost): Updated.
527 2009-03-29 Jan Hubicka <jh@suse.cz>
530 * tree-pass.h (pass_cleanup_eh): New function.
531 (remove_unreachable_regions): Break code handling RTL
532 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
533 that can not be reached by runtime.
534 (can_be_reached_by_runtime): New function.
535 (label_to_region_map): New function.
536 (num_eh_regions): New function.
537 (rtl_remove_unreachable_regions): New function.
538 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
539 (remove_eh_region): New function.
540 * except.h: Include sbitmap and vecprim.
541 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
542 num_eh_regions): Declare.
543 * passes.c (init_optimization_passes): Schedule cleanup_eh.
544 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
545 * tree-eh.c (tree_remove_unreachable_handlers): New function.
546 (tree_empty_eh_handler_p): New function.
547 (cleanup_empty_eh): New function.
548 (cleanup_eh): New function.
549 (pass_cleanup_eh): New function.
551 2009-03-29 Jan Hubicka <jh@suse.cz>
553 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
556 2009-03-29 Jan Hubicka <jh@suse.cz>
558 * except.c (dump_eh_tree): Dump all datastructures.
560 2009-03-29 Jan Hubicka <jh@suse.cz>
562 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
563 (duplicate_eh_regions_1): Likewise.
564 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
565 vector; call EH verification.
566 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
567 Be ready for region being removed.
569 2009-03-29 Jan Hubicka <jh@suse.cz>
571 * bitmap.c (bitmap_last_set_bit): New function.
572 * bitmap.h (bitmap_last_set_bit): Declare.
574 2009-03-29 David Ayers <ayers@fsfe.org>
577 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
578 by calling objc_compare_types and surpress warnings about
579 incompatible C pointers that are compatible ObjC pointers.
581 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
583 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
584 call initialize_inline_failed.
585 (initialize_inline_failed): Move it from here ...
586 * cgraph.c (initialize_inline_failed): ... to here.
587 (cgraph_create_edge): Call initialize_inline_failed rather than
588 setting inline_failed directly.
590 2009-03-29 Ben Elliston <bje@au.ibm.com>
593 * sysv4.opt (msdata): Improve comment.
594 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
595 * sysv4.h (SVR4_ASM_SPEC): Likewise.
597 2009-03-29 Ben Elliston <bje@au.ibm.com>
600 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
601 load and store attributes.
603 2009-03-29 Ben Elliston <bje@au.ibm.com>
605 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
606 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
607 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
608 * doc/extend.texi (X86 Built-in Functions): Add index entries for
609 __builtin_infq and __builtin_huge_valq.
611 2009-03-28 Anatoly Sokolov <aesok@post.ru>
613 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
615 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
616 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
618 2009-03-28 Xinliang David Li <davidxl@google.com>
620 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
621 (do_dbg_cnt): New function.
623 2009-03-28 Jan Hubicka <jh@suse.cz>
625 Merge from pretty-ipa:
627 2009-03-27 Jan Hubicka <jh@suse.cz>
629 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
630 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
631 * passes.c (function_called_by_processed_nodes_p): New.
632 * ipa-pure-const.c (check_call): Fix handling of operands.
633 (analyze_function): Dump debug output for skipped bodies.
634 (local_pure_const): Use function_called_by_processed_nodes_p.
635 * dwarf2out.c (reference_to_unused): Use output.
636 * passes.c (do_per_function_toporder): Likewise.
638 2008-11-12 Jan Hubicka <jh@suse.cz>
640 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
641 * ipa-pure-const.c (funct_state_d): Add can throw field; make
642 state_set_in_source enum
643 (check_decl): Ignore memory tags; do not set fake looping flags;
645 (check_operand, check_tree, check_rhs_var, check_lhs_var,
646 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
647 (check_call, analyze_function): Rewrite.
649 (add_new_function): Update call of analyze_function.
650 (generate_summary): Add call of analyze_function.
651 (propagate): Propagate can_throw; handle state_set_in_source correctly.
652 (local_pure_const): New function.
653 (pass_local_pure_const): New pass.
654 * ipa-inline.c (inline_transform): Set after_inlining.
655 * tree-eh.c (stmt_can_throw_external): New.
656 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
657 work with aliasing built.
658 * tree-flow.h (stmt_can_throw_external): New.
659 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
660 and local pure/const pass in early and late optimization queue.
662 2009-03-28 Martin Jambor <mjambor@suse.cz>
664 * fold-const.c (get_pointer_modulus_and_residue): New parameter
666 (fold_binary): Allow function decl aligment consideration is the
667 second argument is integer constant one.
668 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
669 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
670 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
672 2009-03-28 Jan Hubicka <jh@suse.cz>
674 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
675 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
676 * function.h (rtl_data): Add nothrow flag.
677 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
678 set DECL_NOTHROW for AVAILABLE functions.
680 2009-03-28 Jakub Jelinek <jakub@redhat.com>
682 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
683 following vector keyword has expansion starting with pixel or bool
684 keyword, expand vector to __vector and pixel or bool to __pixel or
688 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
689 warn_if_disallowed_function_p): Removed.
690 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
691 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
692 warning_if_disallowed_function_p.
693 * flags.h (warn_if_disallowed_function_p,
694 warn_disallowed_functions): Removed.
695 * common.opt (Wdisallowed-function-list=): Removed.
696 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
698 2009-03-28 Richard Guenther <rguenther@suse.de>
700 PR tree-optimization/38723
701 * tree-ssa-pre.c (compute_avail): Add all default definitions to
704 2009-03-28 Jan Hubicka <jh@suse.cz>
706 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
707 test introduced by my previous patch.
709 2009-03-28 Richard Guenther <rguenther@suse.de>
711 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
712 the PHIs value undefined.
714 2009-03-28 Jan Hubicka <jh@suse.cz>
716 * tree-pass.h (pass_fixup_cfg): New pass.
717 * ipa-inline.c (inline_transform): Set
718 always_inline_functions_inlined/after_inlining.
719 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
720 (pass_fixup_cfg): New pass.
721 * passes.c (init_optimization_passes): Add fixup_cfg.
723 2009-03-28 Richard Guenther <rguenther@suse.de>
725 PR tree-optimization/38458
726 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
727 argument use the arguments copy-of value.
729 2009-03-28 Richard Guenther <rguenther@suse.de>
731 PR tree-optimization/38180
732 * tree-ssa-ccp.c (get_default_value): Simplify.
733 (likely_value): Likewise.
734 (surely_varying_stmt_p): Properly handle VOP case.
735 (ccp_initialize): Likewise.
736 (ccp_fold): Handle propagating through *&.
737 (fold_const_aggregate_ref): Also handle decls.
739 2009-03-28 Jan Hubicka <jh@suse.cz>
741 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
742 * cgraph.h (cgraph_node): Likewise.
743 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
744 (cgraph_reset_node): Use process flag.
745 (cgraph_mark_functions_to_output): Likewise.
746 (cgraph_expand_function): Likewise.
747 (cgraph_expand_all_functions): Likewise.
748 (cgraph_output_in_order): Likewise.
749 * dwarf2out.c (reference_to_unused): Likewise.
750 * passes.c do_per_function_toporder): Likewise.
752 2009-03-28 Jan Hubicka <jh@suse.cz>
754 Bring from lto-branch:
756 2008-09-03 Doug Kwan <dougkwan@google.com>
758 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
759 enums instead of reason strings.
760 * cgraph.c (cgraph_create_edge): Same.
761 (cgraph_inline_failed_string): New function.
762 * cgraph.h (cgraph_inline_failed_t): New enum type.
763 (cgraph_inline_failed_string): New prototype.
764 (struct cgraph_edge): Change type of INLINED_FAILED from constant
765 char pointer to cgraph_inline_failed_t.
766 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
767 (cgraph_default_inline_p): Ditto.
768 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
769 to cgraph_inline_failed_t pointer.
770 * cif-code.def: New file.
771 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
773 (cgraph_check_inline_limits): Change type of REASON to pointer to
774 cgraph_inline_failed_t. Replace reason strings with enums.
775 (cgraph_default_inline_p): Ditto.
776 (cgraph_recursive_inlining_p): Ditto.
777 (update_caller_keys): Change type of FAILED_REASON to
778 cgraph_inline_failed_t.
779 (cgraph_set_inline_failed): Change type of REASON to pointer to
780 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
781 convert enums to strings for text output.
782 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
783 to be of type cgraph_inline_failed_t. Replace reason strings with
784 enums. Call cgraph_inline_failed_string to covert enums
785 to strings for text output.
786 (cgraph_decide_inlining): Replace reason strings with enums.
787 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
788 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
790 * tree-inline.c (expand_call_inline): Change type of REASON
791 to cgraph_inline_failed_t. Replace reason strings with enums.
792 Call cgraph_inline_failed_string for text output.
793 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
796 2009-03-28 Jan Hubicka <jh@suse.cz>
798 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
799 cgraph_clone_node): Remove master clone handling.
800 (cgraph_is_master_clone, cgraph_master_clone): Remove.
801 * cgraph.h (master_clone): Remove.
802 (cgraph_is_master_clone, cgraph_master_clone): Remove.
803 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
804 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
806 2009-03-28 Jan Hubicka <jh@suse.cz>
808 * cgraph.c (cgraph_function_body_availability): Functions declared
809 inline are always safe to assume that it is not going to be replaced.
811 2009-03-28 Richard Guenther <rguenther@suse.de>
813 PR tree-optimization/38513
814 * tree-ssa-pre.c (eliminate): Remove redundant stores.
815 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
816 EXC_PTR_EXPR and FILTER_EXPR.
817 (get_ref_from_reference_ops): Likewise.
819 2009-03-28 Richard Guenther <rguenther@suse.de>
821 PR tree-optimization/38968
822 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
823 Use FLOOR_MOD_EXPR to compute misalignment.
825 2009-03-28 Richard Guenther <rguenther@suse.de>
827 PR tree-optimization/37795
828 * tree.h (combine_comparisons): Declare.
829 * fold-const.c (combine_comparisons): Export.
830 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
832 (ifcombine_iforif): Use combine_comparisons.
834 2009-03-28 Jan Hubicka <jh@suse.cz>
836 * tree-eh.c (inlinable_call_p): New function.
837 (make_eh_edges): Use it.
838 (verify_eh_edges): Use it.
839 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
840 * except.c (reachable_next_level): Add inlinable_function argument
841 (sjlj_find_directly_reachable_regions): Update.
842 (add_reachable_handler): Do not set saw_any_handlers.
843 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
844 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
845 Add new inlinable call parameter.
846 (can_throw_internal, can_throw_external): Update.
847 * except.h (can_throw_internal_1, can_throw_external_1,
848 foreach_reachable_handler): Update declaration.
850 2009-03-28 Joseph Myers <joseph@codesourcery.com>
852 * config/arm/t-arm-coff, config/h8300/coff.h,
853 config/i386/i386-aout.h, config/i386/i386-coff.h,
854 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
855 config/pdp11/2bsd.h, config/rs6000/aix41.h,
856 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
857 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
858 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
860 * Makefile.in: Remove protoize and fixproto support and references
862 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
863 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
865 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
866 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
868 (rest.encap): Don't depend on $(STMP_FIXPROTO)
869 (.PHONY): Don't depend on proto.
870 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
871 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
872 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
873 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
874 build/gen-protos.o, build/scan.o, xsys-protos.h,
875 build/fix-header$(build_exeext), build/fix-header.o,
876 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
877 stmp-install-fixproto): Remove.
878 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
879 SYSCALLS.c or fixproto files.
880 (install-common): Don't install protoize.
881 (install-headers-tar, install-headers-cpio, install-headers-cp):
882 Don't depend on $(STMP_FIXPROTO).
883 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
884 install fixproto files or write out fixproto settings.
885 (uninstall): Don't uninstall protoize.
886 * config.gcc (use_fixproto): Remove.
887 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
888 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
889 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
890 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
891 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
892 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
893 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
894 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
895 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
896 * config/t-vxworks (STMP_FIXPROTO): Remove.
897 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
898 STMP_FIXPROTO): Remove.
899 * config.in, configure: Regenerate.
900 * crtstuff.c (gid_t, uid_t): Don't undefine.
901 * doc/install.texi: Change m68k-coff to m68k-elf in example.
902 (arm-*-coff, arm-*-aout: Remove target entries.
903 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
904 Remove mention of AIX 4.1.
905 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
906 * doc/invoke.texi (Running Protoize): Remove.
907 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
908 (Protoize Caveats): Remove.
909 * tsystem.h: Update comments on headers assumed to exist.
911 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
913 * genautomata.c: Add a new year to the copyright. Add a new
915 (struct insn_reserv_decl): Add comments for member bypass_list.
916 (find_bypass): Remove.
917 (insert_bypass): New.
918 (process_decls): Use insert_bypass.
919 (output_internal_insn_latency_func): Output all bypasses with the
920 same input insn in one switch case.
922 * rtl.def (define_bypass): Describe bypass choice.
923 * doc/md.texi (define_bypass): Ditto.
925 2009-03-27 Richard Guenther <rguenther@suse.de>
927 * gimplify.c (mark_addressable): Export.
928 * tree-flow.h (mark_addressable): Declare.
929 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
930 * tree-ssa.c (verify_phi_args): Verify that address taken
931 variables have TREE_ADDRESSABLE set.
933 2009-03-27 Richard Guenther <rguenther@suse.de>
935 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
936 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
937 Do not mark decls TREE_ADDRESSABLE.
938 (build_fold_addr_expr): Adjust.
939 (fold_addr_expr): Remove.
940 (fold_unary): Use build_fold_addr_expr.
941 (fold_comparison): Likewise.
942 (split_address_to_core_and_offset): Likewise.
943 * coverage.c (tree_coverage_counter_addr): Mark the array decl
945 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
946 (gimplify_modify_expr_to_memcpy): Mark source and destination
948 * omp-low.c (create_omp_child_function): Mark the object decl
950 (lower_rec_input_clauses): Mark the var we take the address of
952 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
954 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
957 * cfgexpand.c (expand_one_stack_var_at): Change alignment
958 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
960 2009-03-27 Richard Guenther <rguenther@suse.de>
962 PR tree-optimization/39120
963 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
965 (handle_lhs_call): Process return constraints. Add escape
966 constraints if necessary.
967 (handle_const_call): Fill out return constraints. Make nested
968 case more precise. Avoid consttmp if possible.
969 (handle_pure_call): Fill out return constraints. Avoid
970 callused if possible.
971 (find_func_aliases): Simplify call handling.
973 2009-03-27 Richard Guenther <rguenther@suse.de>
975 PR tree-optimization/39120
976 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
978 (solve_graph): Do propagate CALLUSED.
979 (handle_pure_call): Use a scalar constraint from CALLUSED for
981 (find_what_p_points_to): CALLUSED shall not appear in poins-to
984 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
987 * c-common.c (handle_aligned_attribute): Properly check alignment
988 overflow. Use (1U << i) instead of (1 << i).
990 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
992 * expr.h (get_mem_align_offset): Updated.
994 * tree.h (tree_decl_common): Change align to "unsigned int" and
995 move it before pointer_alias_set.
997 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
998 Jakub Jelinek <jakub@redhat.com>
1001 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
1002 gr_register_operand with gr_reg_or_0_operand.
1003 (cmpxchg_rel_di): Likewise.
1004 (sync_lock_test_and_set<mode>): Likewise.
1006 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1008 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
1009 (true_regnum): Likewise.
1011 * rtlanal.c (subreg_info): Moved to ...
1012 * rtl.h (subreg_info): Here. New.
1013 (subreg_get_info): New.
1015 * rtlanal.c (subreg_get_info): Make it extern.
1017 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1020 * config/i386/i386.c (ix86_abi): New.
1021 (override_options): Handle -mabi=.
1022 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
1023 (ix86_call_abi_override): Likewise.
1024 (init_cumulative_args): Likewise.
1025 (function_arg_advance): Likewise.
1026 (function_arg_64): Likewise.
1027 (function_arg): Likewise.
1028 (ix86_pass_by_reference): Likewise.
1029 (ix86_function_value_regno_p): Likewise.
1030 (ix86_build_builtin_va_list_abi): Likewise.
1031 (setup_incoming_varargs_64): Likewise.
1032 (is_va_list_char_pointer): Likewise.
1033 (ix86_init_machine_status): Likewise.
1034 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
1035 (ix86_function_type_abi): Return enum calling_abi. Rewrite
1036 for 64bit. Replace DEFAULT_ABI with ix86_abi.
1037 (ix86_function_abi): Make it static and return enum calling_abi.
1038 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
1040 (ix86_fn_abi_va_list): Updated.
1042 * config/i386/i386.h (ix86_abi): New.
1043 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
1044 (CONDITIONAL_REGISTER_USAGE): Likewise.
1045 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
1046 (machine_function): Likewise.
1048 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
1050 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
1051 (STACK_BOUNDARY): Likewise.
1052 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
1054 * config/i386/i386.opt (mabi=): New.
1056 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
1057 return enum calling_abi.
1058 (ix86_function_type_abi): Likewise.
1059 (ix86_function_abi): Removed.
1061 * doc/invoke.texi: Document -mabi= option for x86.
1063 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1065 * builtins.c (real_dconstp): Delete.
1066 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
1068 2009-03-27 Dodji Seketeli <dodji@redhat.com>
1069 Jakub Jelinek <jakub@redhat.com>
1072 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
1073 (gen_subprogram_die): When a function is explicit, generate the
1074 DW_AT_explicit attribute.
1075 * langhooks.h (struct lang_hooks_for_decls): Add
1076 function_decl_explicit_p langhook.
1077 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
1078 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
1080 2009-03-27 Jakub Jelinek <jakub@redhat.com>
1082 * builtins.c (fold_builtin_memory_op): Optimize memmove
1083 into memcpy if we can prove source and destination don't overlap.
1085 * tree-inline.c: Include gt-tree-inline.h.
1086 (clone_fn_id_num): New variable.
1087 (clone_function_name): New function.
1088 (tree_function_versioning): Use it.
1089 * Makefile.in (GTFILES): Add tree-inline.c.
1091 2009-03-27 Mark Mitchell <mark@codesourcery.com>
1093 * BASE-VER: Change to 4.5.0.
1095 2009-03-27 Xinliang David Li <davidxl@google.com>
1097 PR tree-optimization/39557
1098 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
1100 2009-03-27 Xinliang David Li <davidxl@google.com>
1102 PR tree-optimization/39548
1103 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
1106 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1108 * c-common.c (pointer_int_sum): Use %wd on return from
1111 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1113 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
1114 on return from tree_low_cst.
1116 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
1119 * ginclude/stdarg.h (va_copy): Define also for
1120 __GXX_EXPERIMENTAL_CXX0X__.
1122 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1125 * builtins.h (c_strlen): Do not warn here.
1126 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
1127 * c-common.c (pointer_int_sum): Take an explicit location.
1128 Warn about offsets out of bounds.
1129 * c-common.h (pointer_int_sum): Adjust declaration.
1131 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1133 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
1136 2009-03-26 Jakub Jelinek <jakub@redhat.com>
1139 * opts.c (warn_if_disallowed_function_p): Don't assume
1140 get_callee_fndecl must return non-NULL.
1142 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
1144 PR rtl-optimization/39522
1145 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
1146 when reg_reloaded_valid is set.
1148 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1150 * config/spu/divv2df3.c: New file.
1151 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
1152 (DPBIT_FUNCS): Filter out _div_df.
1154 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
1156 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
1157 a jump insn, count that jump in the distance to the loop start.
1159 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
1162 * config/sh/sh.c (calc_live_regs): Fix condition for global
1163 registers except PIC_OFFSET_TABLE_REGNUM.
1165 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
1168 * doc/invoke.texi (-mconsole): New.
1172 (-mnop-fun-dllimport): New.
1176 (sub section "i386 and x86-64 Windows Options"): New.
1178 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
1180 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
1181 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
1183 2009-03-25 Richard Guenther <rguenther@suse.de>
1186 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
1189 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
1191 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
1192 neither of haifa/selective schedulers are working.
1194 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1196 * doc/invoke.texi (Debugging Options): Fix description of
1197 -fno-merge-debug-strings.
1199 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
1201 * config/cris/libgcc.ver: New version-script.
1202 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
1204 * configure.ac <GAS features, nop mnemonic>: Add pattern
1205 crisv32-*-* for "nop".
1206 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
1207 * configure: Regenerate.
1209 2009-03-24 Ira Rosen <irar@il.ibm.com>
1211 PR tree-optimization/39529
1212 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
1213 mark_sym_for_renaming for the tag copied to the new vector
1216 2009-03-24 Arthur Loiret <aloiret@debian.org>
1218 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
1219 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
1220 EXTRA_SPEC_FUNCTIONS.
1221 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
1222 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
1223 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
1224 -march and -mtune options.
1226 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
1228 * config/m68k/t-rtems: Add m5329 multilib.
1230 2009-03-24 Dodji Seketeli <dodji@redhat.com>
1231 Jakub Jelinek <jakub@redhat.com>
1234 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
1237 2009-03-23 Jakub Jelinek <jakub@redhat.com>
1240 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
1241 instead of c_parser_expression_conv, if original_code isn't one of the
1242 4 allowed comparison codes, fail.
1244 2009-03-23 Richard Guenther <rguenther@suse.de>
1246 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
1247 * tree.h (struct tree_type): Likewise.
1248 * reload.h (struct insn_chain): Likewise.
1249 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
1250 * function.h (struct function): Likewise.
1251 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
1253 2009-03-23 Jakub Jelinek <jakub@redhat.com>
1255 PR tree-optimization/39516
1256 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
1258 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
1260 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
1261 should be set true if BITS_PER_WORD of target is bigger than 32
1263 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
1265 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
1266 Translate -B-options to -rpath-link. Correct existing
1267 rpath-link and conditionalize on !nostdlib.
1269 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1271 * doc/extend.texi (Function Attributes, Variable Attributes):
1273 * doc/invoke.texi (Debugging Options, Optimize Options)
1274 (i386 and x86-64 Options, MCore Options): Likewise.
1276 2009-03-20 Jakub Jelinek <jakub@redhat.com>
1279 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
1280 it for block local namespace aliases.
1281 (gen_decl_die): Pass context_die to gen_namespace_die.
1283 2009-03-19 Jakub Jelinek <jakub@redhat.com>
1286 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
1287 minimum or maximum value.
1289 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
1291 * reginfo.c (globalize_reg): Recompute derived reg sets.
1293 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
1296 * libgcc2.c (mprotect): Do not use signed arguments for
1297 VirtualProtect, use DWORD arguments. Also fix the 'may
1298 be used uninitialized' warning for the np variable.
1300 2009-03-19 Jakub Jelinek <jakub@redhat.com>
1303 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
1304 functions using regparm calling conventions when not optimizing.
1305 (ix86_function_sseregparm): Similarly for sseregparm calling
1308 2009-03-19 Li Feng <nemokingdom@gmail.com>
1311 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
1312 dependence if the first conflict is after niter iterations.
1314 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
1317 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
1318 functions with dynamic stack-pointer adjustments.
1320 2009-03-19 Ben Elliston <bje@au.ibm.com>
1322 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
1323 option; change to -msdata=data.
1325 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1327 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
1330 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
1333 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
1335 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
1337 * doc/invoke.texi (Code Gen Options): Expand discussion of
1340 2009-03-18 Jakub Jelinek <jakub@redhat.com>
1342 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
1343 * matrix-reorg.c (struct matrix_info): Likewise.
1344 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
1345 * rtl.h (struct mem_attrs): Likewise.
1346 * df.h (struct df): Likewise.
1347 * tree-data-ref.h (struct data_dependence_relation): Likewise.
1348 * ira-int.h (struct ira_allocno): Likewise.
1349 * df-scan.c (struct df_collection_rec): Likewise.
1350 * ira.c (struct equivalence): Likewise.
1351 * function.c (struct temp_slot): Likewise.
1352 * cfgloop.h (struct loop): Likewise.
1355 * function.c (use_register_for_decl): When not optimizing, disregard
1356 register keyword for variables with types containing methods.
1358 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
1361 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
1362 (is_simple_operand): Call contains_component_ref_p before calling data
1363 reference analysis that would fail on COMPONENT_REFs.
1365 * tree-vrp.c (search_for_addr_array): Fix formatting.
1367 2009-03-18 Richard Guenther <rguenther@suse.de>
1369 * tree-vect-transform.c (vect_loop_versioning): Fold the
1370 generated comparisons.
1371 * tree-vectorizer.c (set_prologue_iterations): Likewise.
1372 (slpeel_tree_peel_loop_to_edge): Likewise.
1374 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1377 * opts.c (print_specific_help): In addition to `undocumented',
1378 accept `separate' and `joined' flags if passed alone. Describe
1379 output by the first matched one of those.
1380 (common_handle_option): Skip over empty strings.
1381 * gcc.c (display_help): Fix help string for `--help='.
1382 * doc/invoke.texi (Option Summary, Overall Options): With
1383 `--help=', classes and qualifiers can both be repeated, but
1384 only the latter can be negated. One should not pass only
1385 negated qualifiers. Fix markup and examples.
1388 2008-10-14 Jakub Jelinek <jakub@redhat.com>
1390 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
1391 and -fhelp=separate.
1393 2009-03-17 Jing Yu <jingyu@google.com>
1396 * function.h (struct rtl_data): Move is_thunk from here...
1397 (struct function): ...to here.
1398 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
1399 * varasm.c (assemble_start_function): Change is_thunk from crtl to
1401 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
1403 (alpha_does_function_need_gp, alpha_start_function): Likewise.
1404 (alpha_output_function_end_prologue): Likewise.
1405 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
1406 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
1407 (rs6000_output_function_epilogue): Likewise.
1408 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
1410 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
1413 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
1414 from different units in a single alternative.
1415 (*truncdfsf_i387): Ditto.
1416 (*truncxfsf2_mixed): Ditto.
1417 (*truncxfdf2_mixed): Ditto.
1419 2009-03-17 Jakub Jelinek <jakub@redhat.com>
1421 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
1422 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
1425 * tree-ssa-live.c (remove_unused_locals): Don't remove local
1426 unused non-artificial variables when not optimizing.
1429 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
1430 DW_TAG_imported_module even if decl is IMPORTED_DECL with
1431 NAMESPACE_DECL in its DECL_INITIAL.
1434 * optabs.c (set_user_assembler_libfunc): New function.
1435 * expr.h (set_user_assembler_libfunc): New prototype.
1436 * c-common.c: Include libfuncs.h.
1437 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
1438 for memcmp, memset, memcpy, memmove and abort.
1439 * Makefile.in (c-common.o): Depend on libfuncs.h.
1442 * dwarf2out.c (gen_inlined_enumeration_type_die,
1443 gen_inlined_structure_type_die, gen_inlined_union_type_die,
1444 gen_tagged_type_instantiation_die): Removed.
1445 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
1448 2009-03-17 Janis Johnson <janis187@us.ibm.com>
1451 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
1453 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
1454 (check-parallel-%): Ditto.
1455 (check-consistency): Ditto.
1457 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
1459 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
1460 local variable rhs by NULL_TREE.
1462 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1465 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
1467 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1470 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
1472 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1475 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
1476 for ms->sysv ABI calls only in 64bit mode.
1478 * config/i386/i386.md (untyped_call): Support 32bit.
1480 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
1482 * doc/extend.texi: Replace x86_65 with x86_64.
1484 2009-03-16 Jakub Jelinek <jakub@redhat.com>
1486 PR tree-optimization/39455
1487 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
1488 mismatches for POINTER_TYPE_P (type).
1489 (number_of_iterations_le): Likewise.
1491 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1493 * config/picochip/picochip.c: Removed profiling support.
1494 * config/picochip/picochip.md: Removed profiling instruction.
1495 * config/picochip/picochip.h: Removed profiling builtin.
1497 2009-03-16 Joseph Myers <joseph@codesourcery.com>
1499 * doc/install.texi (--with-host-libstdcxx): Document.
1501 2009-03-14 Anatoly Sokolov <aesok@post.ru>
1504 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
1505 generate a warning if the function name does not begin with
1506 "__vector" and the function has either the 'signal' or 'interrupt'
1507 attribute, from here to ...
1508 (avr_declare_function_name): ...here. New function.
1509 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
1510 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
1512 2009-03-14 Jakub Jelinek <jakub@redhat.com>
1515 * cse.c (fold_rtx): Don't modify original const_arg1 when
1516 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
1517 separate variable instead.
1518 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
1519 from out of range shift counts.
1520 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
1522 2008-03-13 Catherine Moore <clm@codesourcery.com>
1524 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
1525 diagnostic.h with $(DIAGNOSTIC_H).
1527 2008-03-12 Jakub Jelinek <jakub@redhat.com>
1530 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
1532 * config/i386/sync.md (sync_compare_and_swap<mode>,
1533 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
1534 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
1536 (sync_double_compare_and_swapdi_pic,
1537 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
1538 cmpxchg8b_pic_memory_operand instead of just memory_operand.
1540 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1543 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
1545 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1548 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
1549 (avx_addsubv4df3): Likewise.
1550 (*avx_addsubv4sf3): Likewise.
1551 (sse3_addsubv4sf3): Likewise.
1553 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1556 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
1558 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
1561 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
1562 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
1563 registers for allocnos created from user-defined variables.
1565 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1568 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
1569 of non-integer mode as well.
1571 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
1573 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
1574 for functions for which the parameter types are unknown.
1576 2009-03-11 Jakub Jelinek <jakub@redhat.com>
1579 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
1580 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
1581 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
1582 * config/i386/i386.c (ix86_local_alignment): For
1583 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
1584 long long variables on the stack to avoid dynamic realignment.
1585 Allow the first argument to be a decl rather than type.
1586 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
1588 2009-03-11 Nick Clifton <nickc@redhat.com>
1591 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
1593 Add description to mno-lsim option.
1594 * config/mcore/mcore.h: Remove comment about deprecated m4align
1596 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
1597 * doc/invoke.texi: Add description of mno-lsim and
1598 mstack-increment options.
1600 * config/fr30/fr30.opt: Document the -mno-lsim option.
1601 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
1602 and -mno-lsim options.
1604 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1606 * fold-const.c (fold_comparison): Only call fold_inf_compare
1607 if the mode supports infinities.
1609 2009-03-11 Jason Merrill <jason@redhat.com>
1612 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
1613 end already did. Notice GIMPLE_CALL modifications of the result.
1614 Don't copy debug information from an ignored decl or a decl from
1617 2009-03-10 Richard Guenther <rguenther@suse.de>
1618 Nathan Froyd <froydnj@codesourcery.com>
1621 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
1622 (__divMODE3): Likewise.
1624 2009-03-09 Jakub Jelinek <jakub@redhat.com>
1626 PR tree-optimization/39394
1627 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
1628 DECL_SIZE_UNIT of variable length FIELD_DECLs.
1630 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1632 * recog.c (verfiy_changes): Disallow renaming of hard regs in
1633 inline asms for register asm ("") declarations.
1635 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
1637 * fold-const.c (fold_unary): Fix comment.
1639 2009-03-07 Jan Hubicka <jh@suse.cz>
1642 * tree-inline.c (setup_one_parameter): Do replacement of const
1643 argument by constant in SSA form.
1645 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1648 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
1649 determine alignment passed to assign_stack_local.
1650 (assign_parms_unsplit_complex): Likewise.
1651 * except.c (sjlj_build_landing_pads): Likewise.
1653 2009-03-06 Jakub Jelinek <jakub@redhat.com>
1656 * tree-flow.h (add_referenced_var): Return bool instead of void.
1657 * tree-dfa.c (add_referenced_var): Return result of
1658 referenced_var_check_and_insert call.
1659 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
1660 of referenced_var_check_and_insert.
1663 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
1664 (gen_variable_die): Emit DW_AT_location on abstract static variable's
1665 DIE, don't emit it if abstract origin already has it.
1666 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
1667 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
1669 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1671 * genpreds.c (needs_variable): Fix parentheses at variable name
1673 (write_tm_constrs_h): Indent generated code.
1675 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1677 * doc/extend.texi (Function Attributes): Add documentation
1680 2009-03-06 Jakub Jelinek <jakub@redhat.com>
1683 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
1684 take locus from its DECL_SOURCE_LOCATION instead of input_location.
1686 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
1688 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
1691 2009-03-05 Jakub Jelinek <jakub@redhat.com>
1694 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
1695 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
1697 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
1699 * config/i386/i386.md (R8_REG, R9_REG): New constants.
1700 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
1701 constants instead of magic numbers.
1702 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
1704 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
1705 (x86_64_ms_abi_int_parameter_registers): Ditto.
1706 (x86_64_int_return_registers): Ditto.
1707 (ix86_maybe_switch_abi): Ditto.
1708 (ix86_expand_call): Ditto for clobbered_registers array.
1709 (ix86_hard_regno_mode_ok): Ditto.
1710 (x86_extended_QIreg_mentioned_p): Ditto.
1712 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
1714 PR tree-optimization/39349
1715 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
1717 * combine.c (gen_lowpart_for_combine): Use omode when generating
1720 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
1722 PR rtl-optimization/39235
1723 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
1725 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
1727 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
1729 2009-03-04 Richard Guenther <rguenther@suse.de>
1731 PR tree-optimization/39362
1732 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
1733 that occur in abnormal PHIs should be varying.
1735 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
1737 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
1739 (simple_iv): Take loop as an argument instead of statement.
1740 * tree-scalar-evolution.h (simple_iv): Declaration changed.
1741 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
1743 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
1745 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
1746 * matrix-reorg.c (analyze_transpose): Ditto.
1747 * tree-data-ref.c (dr_analyze_innermost): Ditto.
1748 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
1749 * tree-predcom.c (ref_at_iteration): Ditto.
1750 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
1752 2009-03-04 Richard Guenther <rguenther@suse.de>
1754 PR tree-optimization/39358
1755 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
1756 escaped_id and callused_id.
1757 (solve_graph): Likewise.
1759 2009-03-04 Richard Guenther <rguenther@suse.de>
1761 PR tree-optimization/39339
1762 * tree-sra.c (try_instantiate_multiple_fields): Make it
1763 no longer ICE on the above.
1765 2009-03-03 Joseph Myers <joseph@codesourcery.com>
1767 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
1768 that fits within Pmode.
1770 2009-03-03 Steve Ellcey <sje@cup.hp.com>
1773 * tm.texi (LIBCALL_VALUE): Update description.
1775 2009-03-03 Steve Ellcey <sje@cup.hp.com>
1778 * doc/extend.texi (section): Update description.
1780 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
1783 * tree-inline.c (remapped_type): New.
1784 (can_be_nonlocal): Call remapped_type instead of remap_type.
1786 2009-03-03 Jakub Jelinek <jakub@redhat.com>
1789 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
1790 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
1792 2009-03-03 Richard Guenther <rguenther@suse.de>
1795 * tree.c (tree_nonartificial_location): New function.
1796 * tree.h (tree_nonartificial_location): Declare.
1797 * builtins.c (expand_builtin_memory_chk): Provide location
1798 of the call location for artificial function pieces.
1799 (maybe_emit_chk_warning): Likewise.
1800 (maybe_emit_sprintf_chk_warning): Likewise.
1801 (maybe_emit_free_warning): Likewise.
1802 * expr.c (expand_expr_real_1): Likewise.
1804 2009-03-03 Jakub Jelinek <jakub@redhat.com>
1806 PR tree-optimization/39343
1807 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
1808 COMPONENT_REF t has ARRAY_TYPE.
1810 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
1813 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
1814 when the type precision of the induction variable should be
1815 larger than the type precision of nit.
1816 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
1817 * graphite.c (graphite_loop_normal_form): Same.
1818 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
1820 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
1822 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
1823 (*call_1_rex64_ms_sysv): Use named constants instead of magic
1824 numbers to describe clobbered registers.
1825 (*call_value_0_rex64_ms_sysv): Ditto.
1826 * config/i386/mmx.md (mmx_emms): Ditto.
1829 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
1831 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
1834 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1836 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
1837 (spu_section_type_flags): New function.
1839 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
1841 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
1842 reg_class_contents of FLOAT_REGS into a temporary.
1844 2009-03-02 Richard Guenther <rguenther@suse.de>
1845 Ira Rosen <irar@il.ibm.com>
1847 PR tree-optimization/39318
1848 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
1849 information to the vectorized statement.
1851 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
1853 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
1854 variable. Use defined names instead of magic constants for REX SSE
1857 2009-03-01 Richard Guenther <rguenther@suse.de>
1859 PR tree-optimization/39331
1860 * omp-low.c (lower_send_shared_vars): Do not receive new
1861 values for the reference of DECL_BY_REFERENCE parms or results.
1863 2009-03-01 Jan Hubicka <jh@suse.cz>
1866 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
1867 BLOCK_NONLOCALIZED_VAR): New macros.
1868 (tree_block): Add nonlocalized_vars.
1869 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
1870 gen_decl_die): Add origin argument. Allow generation of die with
1871 origin at hand only.
1872 (gen_member_die, gen_type_die_with_usage, force_decl_die,
1873 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
1875 (gen_block_die): Fix checking for unused blocks.
1876 (process_scope_var): Break out from .... ; work with origins only.
1877 (decls_for_scope) ... here; process nonlocalized list.
1878 (dwarf2out_ignore_block): Look for nonlocalized vars.
1879 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
1881 (dump_scope_block): Dump them.
1882 * tree-inline.c (remap_decls): Handle nonlocalized vars.
1883 (remap_block): Likewise.
1884 (can_be_nonlocal): New predicate.
1885 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
1887 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1889 * configure: Regenerate.
1891 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1893 * optc-gen.awk: No need to duplicate option flags twice.
1894 Reuse help texts for duplicate options which do not have any.
1896 * gcc.c (display_help): Document --version.
1898 * gcc.c (main): If print_help_list and verbose_flag, ensure
1899 driver output comes before subprocess output.
1901 * optc-gen.awk: Assign all remaining fields to help string,
1902 space-separated, for multi-line help in *.opt.
1904 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
1905 -Wno-pedantic-ms-format is for MinGW targets only.
1907 * doc/options.texi (Option file format): Fix bad indentation,
1908 restoring dropped sentence.
1910 2009-02-28 Jan Hubicka <jh@suse.cz>
1912 * tree-inline.c (tree_function_versioning): Output debug info.
1914 2009-02-28 Jan Hubicka <jh@suse.cz>
1917 * tree-inline.c (setup_one_parameter): Do not copy propagate
1918 arguments when not optimizing.
1920 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
1923 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
1924 (avx_addsubv4df3): Likewise.
1925 (*avx_addsubv4sf3): Likewise.
1926 (sse3_addsubv4sf3): Likewise.
1927 (*avx_addsubv2df3): Likewise.
1928 (sse3_addsubv2df3): Likewise.
1929 (avx_unpckhps256): Correct item selectors.
1930 (avx_unpcklps256): Likewise.
1931 (avx_unpckhpd256): Likewise.
1932 (avx_unpcklpd256): Likewise.
1934 2009-02-28 Jan Hubicka <jh@suse.cz>
1936 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
1938 (copy_arguments_for_versioning): If var is declared don't declare it.
1939 (tree_function_versioning): First setup substitutions and then copy
1942 2009-02-27 Jan Hubicka <jh@suse.cz>
1945 * cgraph.h (varpool_output_debug_info): Remove.
1946 * cgraphunit.c (varpool_output_debug_info): Remove.
1947 * dwarf2out.c (deferred_locations_struct): New struct
1948 (deferred_locations): New type.
1949 (deferred_locations_list): New static var.
1950 (deffer_location): New function.
1951 (gen_variable_die): Use it.
1952 (decls_for_scope): Output info on local static vars.
1953 (dwarf2out_finish): Process deferred locations.
1954 * varpool.c (varpool_output_debug_info): Remove.
1956 2009-02-27 Jan Hubicka <jh@suse.cz>
1959 * tree.h (TREE_PROTECTED): Fix comment.
1960 (BLOCK_HANDLER_BLOCK): Remove.
1961 (struct tree_block): Remove handler_block add body_block.
1962 (inlined_function_outer_scope_p): New.
1963 (is_body_block): Remove.
1964 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
1965 * dwarf2out.c (is_inlined_entry_point): Remove.
1966 (add_high_low_attributes): Use inlined_function_outer_scope_p.
1967 (gen_block_die): Use is_inlined_entry_point check. Remove body block
1969 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
1970 * gimplify.c (gimplify_expr): Gimplify body blocks.
1971 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
1972 block with multiple subblocks.
1973 (dump_scope_block): Prettier output; dump more flags and info.
1974 (dump_scope_blocks): New.
1975 (remove_unused_locals): Use dump_scope_blocks.
1976 * tree-flow.h (dump_scope_blocks): Declare.
1977 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
1978 * stmt.c (is_body_block): Remove.
1979 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
1980 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
1982 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
1985 * graphite.c (graphite_loop_normal_form): Do not call
1986 number_of_iterations_exit from a gcc_assert.
1988 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1990 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
1991 jumps if COND is NULL.
1992 (find_cond_jump): New function.
1993 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
1994 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
1996 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
1998 * config/alpha/alpha.h (alpha_expand_mov): Return false if
1999 force_const_mem returns NULL_RTX.
2001 2009-02-26 Jan Hubicka <jh@suse.cz>
2004 * cgraph.h (varpool_output_debug_info): Remove.
2005 * cgraphunit.c (varpool_output_debug_info): Remove.
2006 * dwarf2out.c (deferred_locations_struct): New struct
2007 (deferred_locations): New type.
2008 (deferred_locations_list): New static var.
2009 (deffer_location): New function.
2010 (gen_variable_die): Use it.
2011 (decls_for_scope): Output info on local static vars.
2012 (dwarf2out_finish): Process deferred locations.
2013 * varpool.c (varpool_output_debug_info): Remove.
2015 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
2017 PR rtl-optimization/39241
2018 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
2019 to subreg_offset_representable_p.
2021 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
2023 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
2024 execute function prototype. Get f and nregs from max_reg_num
2025 and get_insns. Remove the first backward pass as it's dead,
2026 guard the forward pass by flag_expensive_optimizations.
2027 (rest_of_handle_regmove): Delete.
2028 (pass_regmove): Replace it with regmove_optimize.
2030 2009-02-25 Martin Jambor <mjambor@suse.cz>
2032 PR tree-optimization/39259
2033 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
2034 calls_alloca function flags.
2035 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
2038 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
2040 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
2041 flags_set_1_rtx, flags_set_1_set): Delete.
2042 (regmove_optimize): Do not call mark_flags_life_zones.
2044 2009-02-24 Julian Brown <julian@codesourcery.com>
2047 * config/arm/arm.c (require_pic_register): Only set
2048 cfun->machine->pic_reg once per function.
2050 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
2052 * doc/invoke.texi (Link Options): Document an easier way to pass
2053 options that take arguments to the GNU linker using -Xlinker and -Wl.
2055 2009-02-24 Steve Ellcey <sje@cup.hp.com>
2058 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
2060 2009-02-24 Richard Guenther <rguenther@suse.de>
2063 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
2065 2009-02-24 Richard Guenther <rguenther@suse.de>
2066 Zdenek Dvorak <ook@ucw.cz>
2068 PR tree-optimization/39233
2069 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
2070 from converting them to a generic type.
2072 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
2074 PR tree-optimization/39260
2075 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
2076 contains a condition with a real type.
2077 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
2079 2009-02-23 Jason Merrill <jason@redhat.com>
2082 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
2083 narrowing_initializer_constant_valid_p.
2084 (narrowing_initializer_constant_valid_p): Don't return
2085 null_pointer_node for adding a pointer to itself.
2087 2009-02-23 Jan Hubicka <jh@suse.cz>
2090 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
2093 2009-02-23 Jan Hubicka <jh@suse.cz>
2095 PR tree-optimization/37709
2096 * tree.c (block_ultimate_origin): Move here from dwarf2out.
2097 * tree.h (block_ultimate_origin): Declare.
2098 * dwarf2out.c (block_ultimate_origin): Move to tree.c
2099 * tree-ssa-live.c (remove_unused_scope_block_p):
2100 Eliminate blocks containig no instructions nor live variables nor
2102 (dump_scope_block): New function.
2103 (remove_unused_locals): Enable removal of dead blocks by default;
2104 enable dumping at TDF_DETAILS.
2106 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2108 * config/i386/i386.c (classify_argument): Don't allow COImode
2110 (function_arg_advance_32): Don't allow OImode.
2111 (function_arg_32): Likewise.
2112 (function_value_32): Likewise.
2113 (return_in_memory_32): Likewise.
2114 (function_arg_64): Remove OImode comment.
2116 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2119 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
2120 ix86_expand_vector_set for V4DImode in 64bit mode only.
2121 (ix86_expand_vector_init_one_var): Likewise.
2123 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
2125 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
2127 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
2130 * loop-iv.c: Revert last change.
2131 * emit-rtl.c: Likewise.
2133 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2136 * config/i386/i386.c (type_natural_mode): Remove an extra
2137 space in the warning message.
2138 (function_value_32): Handle 32-byte vector modes.
2139 (return_in_memory_32): Likewise.
2141 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
2143 * loop-iv.c (truncate_value): New function.
2144 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
2146 (lowpart_subreg): Move to...
2147 * emit-rtl.c: ...here.
2149 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
2151 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
2152 accidental and undocumented change at revision 140860.
2154 2009-02-21 Joseph Myers <joseph@codesourcery.com>
2156 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
2157 take gimple_seq * arguments.
2158 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
2159 types_compatible_p langhook.
2161 2009-02-20 Mark Mitchell <mark@codesourcery.com>
2162 Joseph Myers <joseph@codesourcery.com>
2164 * config/arm/arm.c (arm_builtin_va_list): New function.
2165 (arm_expand_builtin_va_start): Likewise.
2166 (arm_gimplify_va_arg_expr): Likewise.
2167 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
2168 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
2169 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
2170 (va_list_type): New variable.
2171 (arm_mangle_type): Mangle va_list_type appropriately.
2173 2009-02-20 Jakub Jelinek <jakub@redhat.com>
2176 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
2177 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
2178 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
2179 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
2180 parameter to 1000 for -O1 by default.
2181 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
2183 * loop-invariant.c: Include params.h.
2184 (move_loop_invariants): Don't call move_single_loop_invariants on
2187 2009-02-20 Jaka Mocnik <jaka@xlab.si>
2189 * calls.c (emit_library_call_value_1): Use slot_offset instead of
2190 offset when calculating bounds for indexing stack_usage_map. Fixes
2191 a buffer overflow with certain target setups.
2193 2009-02-20 Jakub Jelinek <jakub@redhat.com>
2196 * calls.c (expand_call): Clear try_tail_call if caller and callee
2197 disagree in promotion of function return value.
2199 2009-02-19 Jakub Jelinek <jakub@redhat.com>
2202 * c-common.c (c_determine_visibility): If visibility changed and
2203 DECL_RTL has been already set, call make_decl_rtl to update symbol
2206 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
2209 * varasm.c (assemble_variable): Don't check DECL_NAME when
2210 globalizing a variable.
2212 2009-02-19 Joseph Myers <joseph@codesourcery.com>
2215 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
2216 expression before any __builtin_trap call.
2217 * c-typeck.c (build_function_call): Convert and check function
2218 arguments before generating a call to a trap. Evaluate the
2219 function arguments before the trap.
2221 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
2224 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
2225 (UNSPEC_FXAM_MEM): New unspec.
2226 (fxam<mode>2_i387_with_temp): New insn and split pattern.
2227 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
2228 memory using fxam<mode>2_i387_with_temp to remove excess precision.
2230 2009-02-19 Richard Guenther <rguenther@suse.de>
2232 PR tree-optimization/39207
2233 PR tree-optimization/39074
2234 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
2235 storedanything_tree): New.
2236 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
2237 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
2238 (build_succ_graph): Add edges from STOREDANYTHING to all
2240 (init_base_vars): Initialize STOREDANYTHING.
2241 (compute_points_to_sets): Free substitution info after
2242 building the succ graph.
2243 (ipa_pta_execute): Likewise.
2245 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
2247 (do_ds_constraint): Do not add to special var or non-pointer
2249 (type_could_have_pointers): Split out from ...
2250 (could_have_pointers): ... here. For arrays use the element type.
2251 (create_variable_info_for): Initialize may_have_pointers.
2252 (new_var_info): Likewise.
2253 (handle_lhs_call): Make the HEAP variable unknown-sized.
2254 (intra_create_variable_infos): Use a type with pointers for
2255 PARM_NOALIAS, make it unknown-sized.
2257 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
2260 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
2262 2009-02-18 Jason Merrill <jason@redhat.com>
2265 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
2266 value if DECL_EXTERNAL.
2267 * tree-sra.c (sra_walk_gimple_assign): Likewise.
2268 * target.h (gcc_target::binds_local_p): Clarify "module".
2269 * tree.h (TREE_PUBLIC): Clarify "module".
2271 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
2274 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
2275 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
2277 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
2280 * c.opt (Wabi): Support C and ObjC.
2283 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
2285 * config/i386/i386.c (classify_argument): Warn once about the ABI
2286 change when passing union with long double.
2288 * doc/invoke.texi: Update -Wabi for warning psABI changes.
2290 2009-02-18 Joseph Myers <joseph@codesourcery.com>
2293 * c-parser.c (c_parser_compound_statement): Always enter and leave
2296 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2299 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
2301 2009-02-18 Jakub Jelinek <jakub@redhat.com>
2303 PR tree-optimization/36922
2304 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
2305 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
2308 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2310 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
2313 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2315 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
2317 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2319 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
2322 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
2323 Richard Sandiford <rdsandiford@googlemail.com>
2325 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
2326 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
2327 (loongson_biadd): ...this.
2329 2009-02-17 Richard Guenther <rguenther@suse.de>
2331 PR tree-optimization/39202
2332 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
2333 a var make sure to follow existing collapses.
2335 2009-02-17 Richard Guenther <rguenther@suse.de>
2338 * langhooks.c (lhd_print_error_function): Check for NULL block.
2340 2009-02-17 Richard Guenther <rguenther@suse.de>
2342 PR tree-optimization/39204
2343 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
2346 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
2348 * config/soft-fp/double.h: Update from glibc CVS.
2350 2009-02-17 Richard Guenther <rguenther@suse.de>
2352 PR tree-optimization/39207
2353 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
2354 strict-aliasing warnings for pointers pointing to NULL.
2356 2009-02-16 Joseph Myers <joseph@codesourcery.com>
2359 * c-parser.c (c_parser_braced_init): Call pop_init_level when
2360 skipping until next close brace.
2362 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
2365 * config/i386/i386.c (ix86_expand_push): Set memory alignment
2366 to function argument boundary.
2368 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2370 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
2371 in the lea_add. Reload eventually constraints it properly.
2372 * config/picochip/constraints.md : Remove the target constraint
2373 "b", since it is not needed anymore.
2375 2009-02-16 Jakub Jelinek <jakub@redhat.com>
2377 * gthr-dce.h: Uglify function parameter and local variable names.
2378 * gthr-gnat.h: Likewise.
2379 * gthr-mipssde.h: Likewise.
2380 * gthr-nks.h: Likewise.
2381 * gthr-posix95.h: Likewise.
2382 * gthr-posix.h: Likewise.
2383 * gthr-rtems.h: Likewise.
2384 * gthr-single.h: Likewise.
2385 * gthr-solaris.h: Likewise.
2386 * gthr-tpf.h: Likewise.
2387 * gthr-vxworks.h: Likewise.
2388 * gthr-win32.h: Likewise.
2390 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
2393 * config/i386/i386.md: Restrict the new peephole2 to move
2394 between MMX/SSE registers.
2396 2009-02-15 Richard Guenther <rguenther@suse.de>
2399 2009-02-13 Richard Guenther <rguenther@suse.de>
2401 * configure.ac: Enable LFS.
2402 * configure: Re-generate.
2403 * config.in: Likewise.
2405 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2407 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
2408 spu_srqwbyte, spu_srqwbytebc): Define.
2409 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
2410 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
2411 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
2412 "shrqby_<mode>"): New insn-and-split patterns.
2413 * config/spu/spu.c (expand_builtin_args): Determine and return
2414 number of operands using spu_builtin_description data.
2415 (spu_expand_builtin_1): Use it.
2417 2009-02-13 Steve Ellcey <sje@cup.hp.com>
2420 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
2423 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2426 * config/i386/i386.c (override_options): Correct warning
2427 messages for -malign-loops, -malign-jumps and -malign-functions.
2429 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2432 * config/i386/i386.md: Restrict the new peephole2 to move
2433 between the general purpose registers.
2435 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2438 * config/i386/i386.c (type_natural_mode): Add a new argument.
2439 Return the original mode and warn ABI change if vector size is 32byte.
2440 (function_arg_advance): Updated.
2441 (function_arg): Likewise.
2442 (ix86_function_value): Likewise.
2443 (ix86_return_in_memory): Likewise.
2444 (ix86_sol10_return_in_memory): Likewise.
2445 (ix86_gimplify_va_arg): Likewise.
2446 (function_arg_32): Don't warn ABX ABI change here.
2447 (function_arg_64): Likewise.
2449 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
2451 * loop-iv.c (implies_p): In the final case, test that operands 0
2452 of the two comparisons match.
2454 * config/bfin/bfin.c (find_prev_insn_start): New function.
2455 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
2456 (find_next_insn_start): Move.
2458 2009-02-13 Richard Guenther <rguenther@suse.de>
2460 * configure.ac: Enable LFS.
2461 * configure: Re-generate.
2462 * config.in: Likewise.
2464 2009-02-13 Joseph Myers <joseph@codesourcery.com>
2467 * c-parser.c (c_parser_parms_list_declarator): Discard pending
2468 sizes on syntax error after some arguments have been parsed.
2470 2009-02-12 Jakub Jelinek <jakub@redhat.com>
2472 * doc/invoke.texi (-fira): Remove.
2474 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2476 * caller-save.c: Replace regclass.c with reginfo.c in comments.
2477 * recog.c: Likewise.
2480 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
2482 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
2483 (umul_ppmm): Likewise.
2484 (count_leading_zeros): Likewise.
2485 (count_trailing_zeros): Likewise.
2486 (UMUL_TIME): Likewise.
2488 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2490 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
2491 soft-fp/t-softfp to tmake_file.
2493 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
2494 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
2495 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
2496 IA64_BUILTIN_INFQ]: New.
2497 (ia64_init_builtins): Initialize __builtin_infq,
2498 __builtin_fabsq and __builtin_copysignq if not HPUX.
2499 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
2500 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
2502 * config/ia64/lib1funcs.asm (__divtf3): Define only if
2504 (__fixtfti): Likewise.
2505 (__fixunstfti): Likewise.
2506 (__floattitf): Likewise.
2508 * config/ia64/libgcc-glibc.ver: New.
2509 * config/ia64/t-fprules-softfp: Likewise.
2510 * config/ia64/sfp-machine.h: Likewise.
2512 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
2513 (LIBGCC2_TF_CEXT): Likewise.
2514 (TF_SIZE): Likewise.
2515 (TARGET_INIT_LIBFUNCS): Likewise.
2517 * config/ia64/t-glibc (SHLINB_MAPFILES):
2518 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
2520 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2522 * config/i386/i386.c (construct_container): Rewrite processing
2523 BLKmode with X86_64_SSE_CLASS.
2525 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
2528 * config/i386/i386.md: Replace simplify_replace_rtx with
2529 replace_rtx in the new peephole2.
2531 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
2533 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
2534 loop unrolling do not happen at -O2.
2536 2009-02-12 Michael Matz <matz@suse.de>
2538 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
2540 2009-02-12 Jakub Jelinek <jakub@redhat.com>
2542 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
2545 2009-02-12 Ben Elliston <bje@au.ibm.com>
2547 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
2548 patterns when updating the back chain. Missed in the 2009-02-10
2551 2009-02-11 Janis Johnson <janis187@us.ibm.com>
2553 * doc/extend.texi (Decimal Floating Types): Update identifier of
2554 draft TR and list of missing support.
2556 2009-02-11 Jakub Jelinek <jakub@redhat.com>
2559 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
2560 bit to variable length decl's flags, add it also to its
2561 pointer replacement variable.
2563 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
2564 Jakub Jelinek <jakub@redhat.com>
2567 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
2568 (memory_blockage): New expander.
2569 (*memory_blockage): New insn pattern.
2570 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
2571 instead of general blockage at the end of function prologue when
2572 frame pointer is used to access red zone area. Do not emit blockage
2573 when profiling, it is emitted in generic code.
2574 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
2575 function epilogue when frame pointer is used to access red zone area.
2577 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
2580 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
2581 by arithmetic with memory operands.
2582 * config/i386/predicates.md (commutative_operator): New.
2584 2009-02-10 Janis Johnson <janis187@us.ibm.com>
2586 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
2589 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
2591 * alias.h (record_alias_subset): Declare.
2592 * alias.c (record_alias_subset): Make global.
2594 2009-02-10 Nick Clifton <nickc@redhat.com>
2596 * tree-parloops.c: Change license to GPLv3.
2597 * ipa-struct-reorg.c: Change license to GPLv3.
2598 * ipa-struct-reorg.h: Change license to GPLv3.
2600 2009-02-10 Steve Ellcey <sje@cup.hp.com>
2603 * c-decl.c (start_struct): Return NULL on error.
2605 2009-02-10 Jakub Jelinek <jakub@redhat.com>
2608 * cfgloopmanip.c (remove_path): Call remove_bbs after
2609 cancel_loop_tree, not before it.
2612 * function.h (struct function): Add has_local_explicit_reg_vars bit.
2613 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
2614 VAR_DECLs were seen.
2615 * tree-ssa-live.c (remove_unused_locals): Recompute
2616 cfun->has_local_explicit_reg_vars.
2617 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
2618 copies or clearings if cfun->has_local_explicit_reg_vars.
2620 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
2623 * config/i386/i386.c (expand_prologue): Emit blockage at the end
2624 of function prologue when frame pointer is used to access
2627 2009-02-10 Richard Guenther <rguenther@suse.de>
2630 * gimplify.c (gimple_regimplify_operands): Always look if
2631 we need to create a temporary.
2633 2009-02-10 Richard Guenther <rguenther@suse.de>
2635 PR tree-optimization/39132
2636 * tree-loop-distribution.c (todo): New global var.
2637 (generate_memset_zero): Trigger TODO_rebuild_alias.
2638 (tree_loop_distribution): Return todo.
2640 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
2643 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
2644 (x86_64_reg_class_name): Removed.
2645 (classify_argument): Return 0 if bytes > 32. Return 0 if the
2646 first one isn't X86_64_SSE_CLASS or any other ones aren't
2647 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
2648 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
2649 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
2650 and 3 X86_64_SSEUP_CLASS.
2651 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
2652 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
2654 2009-02-10 Ben Elliston <bje@au.ibm.com>
2656 * config/rs6000/rs6000.md (allocate_stack): Always use an update
2657 form instruction to update the stack back chain word, even if the
2658 user has disabled the generation of update instructions.
2659 (movdi_<mode>_update_stack): New.
2660 (movsi_update_stack): Likewise.
2661 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
2662 always use an update form instruction to update the stack back
2665 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
2668 * graphite.c (if_region_set_false_region): After moving a region in
2669 the false branch of a condition, remove the empty dummy basic block.
2670 (gloog): Remove wrong fix for PR38953.
2672 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2674 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
2675 generation due to implicit sign extension.
2677 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
2680 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
2681 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
2683 2009-02-09 Richard Guenther <rguenther@suse.de>
2686 * convert.c (convert_to_real): Disable (float)fn((double)x)
2687 to fnf(x) conversion if errno differences may occur and
2688 -fmath-errno is set.
2690 2009-02-07 Anatoly Sokolov <aesok@post.ru>
2692 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
2693 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2694 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2696 2009-02-06 Joseph Myers <joseph@codesourcery.com>
2699 * c-common.c (handle_alias_attribute): Disallow attribute for
2700 anything not a FUNCTION_DECL or VAR_DECL.
2702 2009-02-06 Janis Johnson <janis187@us.ibm.com>
2705 * real.c (do_compare): Special-case compare of zero against
2706 decimal float value.
2708 2009-02-06 Joseph Myers <joseph@codesourcery.com>
2711 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
2712 as indicating flexible array members unless the field itself is
2713 being declarared as the incomplete array.
2715 2009-02-06 Jan Hubicka <jh@suse.cz>
2717 PR tree-optimization/38844
2718 * ipa-inline.c (try_inline): Stop inlining recursion when edge
2721 2009-02-06 Richard Guenther <rguenther@suse.de>
2724 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
2725 fork because we may expand it as __gcov_fork.
2727 2009-02-06 Nick Clifton <nickc@redhat.com>
2729 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
2731 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
2733 PR tree-optimization/35659
2734 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
2735 vn_phi_eq): Shortcut if hashcode does not match.
2736 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
2738 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
2739 and avoid iterative_hash_expr.
2740 (FOR_EACH_VALUE_ID_IN_SET): New.
2741 (value_id_compare): Remove.
2742 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
2743 sort expressions by value id.
2745 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
2748 * config/sh/predicates.md (general_movsrc_operand): Don't check
2749 the subreg of system registers here.
2751 2009-02-05 Jakub Jelinek <jakub@redhat.com>
2754 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
2757 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
2759 PR rtl-optimization/39110
2760 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
2761 addresses, not aligned ones.
2763 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
2764 Richard Guenther <rguenther@suse.de>
2766 PR tree-optimization/39100
2767 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
2768 comment says and add edges.
2770 2009-02-05 Joseph Myers <joseph@codesourcery.com>
2773 * c-common.c (handle_tls_model_attribute): Ignore attribute for
2774 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
2776 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
2778 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
2779 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
2780 register_bb_in_sese, new_sese, free_sese): Moved.
2781 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
2782 outermost_loop_in_scop, build_scop_iteration_domain,
2783 expand_scalar_variables_ssa_name, get_vdef_before_scop,
2784 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
2785 Use loop_in_sese_p instead of loop_in_scop_p.
2786 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
2787 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
2788 (scopdet_basic_block_info): Fix bug in scop detection.
2789 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
2790 eq_loop_to_cloog_loop): Remove.
2791 (nb_loops_around_loop_in_scop, nb_loop
2792 ref_nb_loops): Moved here...
2793 * graphite.h (ref_nb_loops): ... from here.
2794 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
2795 (loop_domain_dim, loop_iteration_vector_dim): Remove.
2796 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
2797 * testsuite/gcc.dg/graphite/scop-19.c: New
2799 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
2800 Hans-Peter Nilsson <hp@axis.com>
2802 PR rtl-optimization/37889
2803 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
2804 Move offset handling from PLUS to before the switch. Use new
2805 arguments when considering SYMBOL_REFs too.
2806 (rtx_addr_can_trap_p): Pass dummy offset and size.
2807 (enum may_trap_p_flags): Remove.
2808 (may_trap_p_1): Pass size from MEM_SIZE.
2810 PR rtl-optimization/38921
2811 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
2812 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
2813 * rtlanal.c (may_trap_after_code_motion_p): Delete.
2814 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
2816 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
2818 AVX Programming Reference (January, 2009)
2819 * config/i386/sse.md (*vpclmulqdq): New.
2821 2009-02-04 Jakub Jelinek <jakub@redhat.com>
2823 PR tree-optimization/38977
2824 PR gcov-profile/38292
2825 * calls.c (special_function_p): Disregard __builtin_ prefix.
2827 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
2829 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
2830 non-indexable addresses even before reload.
2832 2009-02-03 Joseph Myers <joseph@codesourcery.com>
2835 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
2836 as having variable size. Do not give an error for unnamed
2837 parameters with [*] declarators. Give a warning for type names
2838 with [*] declarators and mark them as variable size.
2839 * c-parser.c (c_parser_sizeof_expression): Do not give an error
2840 for sizeof applied to [*] type names.
2842 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
2845 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
2847 2009-02-03 Jakub Jelinek <jakub@redhat.com>
2849 * gcc.c (process_command): Update copyright notice dates.
2850 * gcov.c (print_version): Likewise.
2851 * gcov-dump.c (print_version): Likewise.
2852 * mips-tfile.c (main): Likewise.
2853 * mips-tdump.c (main): Likewise.
2855 2009-02-03 Joseph Myers <joseph@codesourcery.com>
2858 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
2859 for composite type involving a zero-length array type.
2861 2009-02-03 Jakub Jelinek <jakub@redhat.com>
2864 * function.c (match_asm_constraints_1): Skip over
2865 initial optional % in the constraint.
2868 * c-parser.c (c_parser_postfix_expression): If fixed point is not
2869 supported, don't accept FIXED_CSTs.
2870 * c-decl.c (finish_declspecs): Error if fixed point is not supported
2871 and _Sat is used without _Fract/_Accum. Set specs->type to
2872 integer_type_node for cts_fract/cts_accum if fixed point is not
2875 2009-02-02 Catherine Moore <clm@codesourcery.com>
2877 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
2879 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
2881 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
2882 (ABI_HAS_64BIT_SYMBOLS): Use it.
2883 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
2885 2009-02-02 Paul Brook <paul@codesourcery.com>
2887 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
2889 2009-02-02 Jakub Jelinek <jakub@redhat.com>
2892 * recog.h (asm_operand_ok): Add constraints argument.
2893 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
2894 recurse on matching constraint.
2895 (check_asm_operands): Pass constraints as 3rd argument to
2896 asm_operand_ok. Don't look up matching constraint here.
2897 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
2900 2009-02-02 Ben Elliston <bje@au.ibm.com>
2902 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
2903 TARGET_NARROW_VOLATILE_BITFIELD macro names.
2905 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2907 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
2908 information. Remove some obsolete information. Reorganize.
2910 * config/pa/fptr.c: Revert license to GPL 2.
2911 * config/pa/milli64.S: Likewise.
2913 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
2916 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
2917 LIBRARY name in, instead of hard-coding it.
2918 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
2919 extra target make frag to tmake_files according to EH model.
2920 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
2921 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
2922 frags that define makefile variable EH_MODEL appropriately.
2923 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
2924 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
2925 to "-sjlj" according to type of EH configured.
2926 (LIBGCC_SONAME): Concatenate it to shared library base name.
2927 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
2928 to "_sjlj" according to type of EH configured.
2929 (LIBGCC_SONAME): Concatenate it to shared library base name.
2930 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
2931 (SHLIB_LINK): Add missing semicolon to if-else construct.
2932 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
2933 string value of "pe_dll" command-line option.
2934 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
2935 (SHLIB_SONAME): Use it when overriding t-cygming default.
2936 (SHLIB_IMPLIB): Override t-cygming default.
2937 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
2938 string value of "pe_dll" command-line option.
2940 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
2943 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
2944 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
2946 2009-01-31 Richard Guenther <rguenther@suse.de>
2948 PR tree-optimization/38937
2949 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
2950 computing the transitive closure.
2952 2009-01-30 Richard Guenther <rguenther@suse.de>
2954 PR tree-optimization/39041
2955 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
2956 Propagate variable indices only if the types match for this stmt.
2958 2009-01-30 Jakub Jelinek <jakub@redhat.com>
2961 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
2962 inline but never defined.
2964 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
2966 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
2967 (*insv_h_di_reg_extimm): New insn.
2968 (*insv_l<mode>_reg_extimm): New insn.
2970 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
2972 * config/picochip/picochip.c (flag_conserve_stack): set
2973 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
2974 fconserve-stack. Reduce call-overhead used by inliner.
2976 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
2979 * common.opt (flag_conserve_stack): Initialised to zero.
2981 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
2984 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
2985 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
2988 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
2990 * ira-color.c (allocno_reload_assign): Update comments.
2991 * regmove.c (regmove_optimize): Likewise.
2995 2009-01-29 Robert Millan <rmh@aybabtu.com>
2997 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
2998 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
2999 `MD_UNWIND_SUPPORT'.
3000 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
3002 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
3004 PR tree-optimization/39007
3005 * tree-loop-distribution.c (generate_builtin): Use
3006 recompute_dominator to compute the immediate dominator of the
3007 basic block just after the loop.
3009 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3011 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
3012 (ASM_OUTPUT_DWARF_PCREL): Define.
3014 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
3016 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
3017 * doc/passes.texi: Remove entries about regclass, local-alloc, and
3018 global. Modify entries about regmove and IRA.
3020 * ra-conflict.c: Remove the file.
3022 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
3024 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
3025 (pass_regclass_init): Rename to pass_reginfo_init.
3027 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
3029 * toplev.h (flag_ira): Remove.
3031 * caller-save.c (setup_save_areas): Remove flag_ira.
3033 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
3035 * global.c: Remove the file.
3037 * opts.c (decode_options): Remove flag_ira.
3039 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
3041 * regmove.c: Modify file description.
3042 (find_use_as_address, try_auto_increment): Define them only if
3043 AUTO_INC_DEC is defined.
3044 (replacement_quality, replace_in_call_usage, fixup_match_1,
3045 stable_and_no_regs_but_for_p): Remove.
3046 (reg_set_in_bb): Make it static.
3047 (regmove_optimize): Remove flag_ira and code which worked for
3050 * local-alloc.c: Remove the file.
3052 * common.opt (fira): Remove.
3054 * ira.c: Include except.h.
3055 (eliminable_regset): Move from global.c.
3056 (mark_elimination): Ditto. Remove flag_ira.
3057 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
3058 equiv_mem_modified, validate_equiv_mem_from_store,
3059 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
3060 contains_replace_regs, memref_referenced_p, memref_used_between_p,
3061 no_equiv, recorded_label_ref): Move from local-alloc.c.
3062 (update_equiv_regs): Ditto. Make it static.
3063 (print_insn_chain, print_insn_chains): Move it from global.c.
3064 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
3065 (build_insn_chain): Ditto. Make it static.
3066 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
3067 Rename to init_live_subregs.
3068 (gate_ira): Remove flag_ira.
3070 * regclass.c: Rename reginfo.c. Change file description.
3071 (FORBIDDEN_INC_DEC_CLASSES): Remove.
3072 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
3073 (init_reg_sets_1): Remove code for evaluation of
3074 reg_class_superclasses and losing_caller_save_reg_set.
3075 (init_regs): Remove init_reg_autoinc.
3076 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
3077 ok_for_base_p_nonstrict): Remove.
3078 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
3079 (pass_regclass_init): Rename to pass_reginfo_init. Modify
3080 corresponding entries.
3081 (dump_regclass, record_operand_costs, scan_one_insn,
3082 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
3083 record_address_regs, auto_inc_dec_reg_p): Remove.
3084 (gt-regclass.h): Rename to gt-reginfo.h.
3086 * rtl.h (dump_global_regs, retry_global_alloc,
3087 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
3089 * Makefile.in (RA_H): Remove.
3090 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
3091 Rename regclass.o to reginfo.o.
3092 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
3094 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
3095 (GTFILES): Rename regclass.c to reginfo.c.
3097 * passes.c (init_optimization_passes): Remove pass_local_alloc and
3098 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
3100 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3101 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
3103 (finish_spills): Ditto. Remove code for !flag_ira.
3105 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3108 * doc/invoke.texi (rtl debug options): Complete rewrite.
3109 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
3111 * mode-switching.c (pass_mode_switching): Rename pass from
3112 "mode-sw" to "mode_sw".
3113 * except.c (pass_convert_to_eh_ranges): Rename pass from
3114 "eh-ranges" to "eh_ranges".
3115 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
3119 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
3120 Alexander Monakov <amonakov@ispras.ru>
3123 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
3125 (move_exprs_to_boundary): Change return type and pass through
3126 should_move from move_op. Relax assert. Update usage ...
3127 (schedule_expr_on_boundary): ... here. Use should_move instead of
3129 (move_op_orig_expr_found): Indicate that insn was disconnected from
3131 (code_motion_process_successors): Do not call after_merge_succs
3132 callback if original expression was not found when traversing any of
3134 (code_motion_path_driver): Change return type. Update prototype.
3135 (move_op): Update comment. Add a new parameter (should_move). Update
3136 prototype. Set *should_move based on indication provided by
3137 move_op_orig_expr_found.
3139 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
3141 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
3142 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
3143 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
3144 * config/rs6000/rs6000.c (rs6000_override_options): Default
3145 avoid-indexed-addresses on for Power6, off for everything else.
3146 (avoiding_indexed_address_p): New function.
3147 (rs6000_legitimize_address): Use it.
3148 (rs6000_legitimate_address): Likewise.
3149 * config/rs6000/rs6000.md (movXX_updateX): Likewise
3151 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
3153 PR tree-optimization/38997
3154 * tree-loop-distribution.c (generate_memset_zero): Use
3155 POINTER_PLUS_EXPR for a pointer addition.
3157 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
3159 * config/s390/s390.md (bswap<mode>2): New pattern added.
3161 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3163 * config/s390/s390.md (*tls_load_31): Added type attribute.
3165 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3167 * config/s390/s390.md: Fix a few comments.
3169 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3171 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
3172 (*tm<mode>_full): Fixed z10prop attribute.
3173 (*tst<mode>_extimm): Fixed z10prop attribute.
3174 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
3175 (*tstqiCCT_cconly): Fixed z10prop attribute.
3176 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
3177 (*movsi_larl): Fixed z10prop attribute.
3178 (*movsi_zarch): Fixed z10prop attribute.
3179 (*movsi_eas): Fixed z10prop attribute.
3180 (*movhi): Fixed z10prop attribute.
3181 (*movqi): Fixed z10prop attribute.
3182 (*movstrictqi): Fixed z10prop attribute.
3183 (*mov<mode>): Fixed z10prop attribute.
3184 (*movcc): Fixed z10prop attribute.
3185 (*sethighpartdi_64): Fixed z10prop attribute.
3186 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
3187 (*negdi2_sign_cc): Fixed z10prop attribute.
3188 (*negdi2_sign): Fixed z10prop attribute.
3189 (*absdi2_sign_cc): Fixed z10prop attribute.
3190 (*absdi2_sign): Fixed z10prop attribute.
3191 (*negabsdi2_sign_cc): Fixed z10prop attribute.
3192 (*negabsdi2_sign): Fixed z10prop attribute.
3193 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
3194 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
3195 (doloop_si64): Fixed z10prop attribute.
3196 (doloop_si31): Fixed z10prop attribute.
3197 (doloop_long): Fixed z10prop attribute.
3198 (indirect_jump): Fixed z10prop attribute.
3199 (nop): Fixed z10prop attribute.
3200 (main_base_64): Fixed z10prop attribute.
3201 (reload_base_64): Fixed z10prop attribute.
3203 2009-01-28 Jakub Jelinek <jakub@redhat.com>
3205 PR rtl-optimization/38740
3206 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
3208 * config/mips/mips.c (mips_reorg): Likewise.
3210 2009-01-28 Richard Guenther <rguenther@suse.de>
3212 PR tree-optimization/38926
3213 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
3214 with the correct value id to a value.
3215 (do_regular_insertion): Use the value number of edoubleprime
3216 for the value number of the expr.
3219 2008-08-21 Richard Guenther <rguenther@suse.de>
3221 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
3222 a PHI ask VN if it is already available.
3223 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
3224 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
3226 2009-01-28 Jakub Jelinek <jakub@redhat.com>
3229 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
3230 set to varying whenever max has TREE_OVERFLOW set, similarly
3231 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
3233 2009-01-28 Richard Guenther <rguenther@suse.de>
3236 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
3237 uninitialized aggregate uses in call arguments.
3239 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
3241 PR tree-optimization/38984
3242 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
3243 the nothing_id variable if -fno-delete-null-pointer-checks.
3245 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
3248 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
3249 (set_got_offset_rex64): Ditto.
3251 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
3254 * doc/extend.texi: Improve local variable with asm reg.
3256 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
3258 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
3259 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
3260 was not supplied then set warn_packed_bitfield_compat to the
3262 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
3265 2009-01-27 Richard Guenther <rguenther@suse.de>
3267 PR tree-optimization/38503
3268 * cfgexpand.c (expand_gimple_basic_block): Ignore
3269 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
3270 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
3271 variables that cannot have TBAA applied.
3272 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
3275 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
3278 * calls.c (initialize_argument_information): Do not wrap complex
3279 arguments in SAVE_EXPR.
3281 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
3283 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
3284 (INSTALL_LIBGCC): Revert typo commit.
3286 2009-01-26 Richard Guenther <rguenther@suse.de>
3288 PR tree-optimization/38745
3289 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
3290 from special handling.
3292 2009-01-26 Richard Guenther <rguenther@suse.de>
3294 PR tree-optimization/38745
3295 * tree-ssa.c (execute_update_addresses_taken): Do not include
3296 variables that cannot possibly be a register in not_reg_needs.
3297 Do not clear TREE_ADDRESSABLE on vars that may not become
3299 * tree-ssa.c (update_alias_info_1): Include those in the set
3300 of addressable vars.
3302 2009-01-26 Richard Guenther <rguenther@suse.de>
3305 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
3306 * tree-ssa-dse.c: Include langhooks.h
3307 (execute_simple_dse): Remove stores with zero size.
3309 2009-01-24 Jakub Jelinek <jakub@redhat.com>
3312 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
3315 2009-01-24 Julian Brown <julian@codesourcery.com>
3317 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
3318 config/arm/linux-atomic.c.
3319 * config/arm/linux-atomic.c: New.
3321 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
3323 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
3324 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
3325 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
3327 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
3330 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
3333 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
3335 PR tree-optimization/38953
3336 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3337 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
3338 (gloog): Split the exit of the scop when the scop exit is a loop exit.
3339 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3342 2009-01-24 Paul Brook <paul@codesourcery.com>
3344 * config/arm/neon.md (neon_type): Move to arm.md.
3345 (neon_mov<VSTRUCT>): Add neon_type attribute.
3346 * config/arm/arm.md (neon_type): Move to here.
3347 (conds): Add "unconditioal" and use as default for NEON insns.
3349 2009-01-24 Ben Elliston <bje@au.ibm.com>
3351 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
3352 void *' warning from -Wc++-compat.
3353 * Makefile.in (dominance.o-warn): Remove.
3355 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
3357 PR tree-optimization/38932
3358 * fold-const.c (fold_unary_ignore_overflow): New.
3359 * tree.h (fold_unary_ignore_overflow): Declare.
3360 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
3361 * tree-ssa-sccvn.c (visit_reference_op_load,
3362 simplify_unary_expression): Likewise.
3364 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
3366 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
3367 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
3368 regardless of their type.
3369 * c-common.c (handle_packed_attribute): Don't ignore packed on
3371 * c.opt (Wpacked-bitfield-compat): New warning option.
3372 * stor-layout.c (place_field): Warn if offset of a field changed.
3373 * doc/extend.texi (packed): Mention the ABI change.
3374 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
3375 (Warning Options): Add it to the list.
3377 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
3379 * c-opts.c (c_common_post_options): Fix a typo in comments.
3381 2009-01-22 Steve Ellcey <sje@cup.hp.com>
3384 * gimplify.c (gimplify_init_constructor): Fix promotion of const
3385 variables to static.
3386 * doc/invoke.texi (-fmerge-all-constants): Update description.
3388 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
3391 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
3392 (*movdi_1_rex64): Use type "mmx" for alternative 5.
3394 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
3396 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
3398 (LOCAL_ALIGNMENT): Similarly.
3400 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
3401 Joseph Myers <joseph@codesourcery.com>
3403 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
3404 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
3405 * config/arm/arm-tune.md: Regenerate.
3406 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
3409 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
3411 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
3412 version number to five.
3414 2009-01-22 Dodji Seketeli <dodji@redhat.com>
3417 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
3418 * c-common.c (set_underlying_type): Likewise.
3419 (is_typedef_decl ): Likewise
3421 (set_underlying_type): Likewise.
3422 (is_typedef_type): Likewise.
3424 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
3427 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
3430 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
3433 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
3434 (LIBGCC_SPEC): Don't define.
3435 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
3437 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
3439 PR rtl-optimization/38879
3440 * alias.c (base_alias_check): Unaligned access via AND address can
3441 alias all surrounding object types except those with sizes equal
3442 or wider than the size of unaligned access.
3444 2009-01-21 Dodji Seketeli <dodji@redhat.com>
3447 * c-decl.c (clone_underlying_type): Move this ...
3448 * c-common.c (set_underlying_type): ... here.
3449 Also, make sure the function properly sets TYPE_STUB_DECL() on
3450 the newly created typedef variant type.
3451 (is_typedef_decl ): New entry point.
3452 * tree.h: Added a new member member_types_needing_access_check to
3453 struct tree_decl_non_common.
3454 (set_underlying_type): New entry point.
3455 (is_typedef_type): Likewise.
3457 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
3459 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
3460 Check whether two instructions have memory references that
3461 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
3462 are helper functions for traversing.
3463 * alias.h (insn_alias_sets_confilict_p): New prototypes.
3464 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
3465 not to draw dependency edge for instructions with non-conflicting
3468 2009-01-20 Joseph Myers <joseph@codesourcery.com>
3471 * longlong.h: Update copyright years. Use soft-fp license notice.
3472 Sync __clz_tab declaration with glibc.
3474 2009-01-20 Steve Ellcey <sje@cup.hp.com>
3477 * doc/extend.texi (syscall_linkage): New.
3478 (version_id): Modify.
3480 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
3481 Richard Guenther <rguenther@suse.de>
3483 PR tree-optimization/38747
3484 PR tree-optimization/38748
3485 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
3486 conversion if the base address is an indirect reference and the
3487 aliasing sets could cause issues.
3489 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
3491 * common.opt (fgraphite, fgraphite-identity): Add comment for
3492 explaining why these options are not documented.
3494 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
3496 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3497 gimple_call_lhs is NULL.
3499 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
3502 * emit-rtl.c (adjust_address_1): Make sure memref is never
3505 2009-01-20 Ben Elliston <bje@au.ibm.com>
3507 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
3508 const qualifier from arg parameter. Remove unnecessary cast to char *.
3509 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
3510 const qualifier from arg 2.
3512 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
3514 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
3516 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
3519 * rtl.h (reinit_regs): New prototype.
3520 * regclass.c: Include ira.h.
3522 * Makefile.in (regclass.o): Add ira.h.
3523 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
3525 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
3528 * c-common.c (handle_aligned_attribute): Use
3529 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
3530 default alignment value.
3532 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
3534 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
3535 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
3537 * doc/extend.texi: Update __attribute__ ((aligned)). Document
3538 __BIGGEST_ALIGNMENT__.
3540 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
3542 2009-01-18 Richard Guenther <rguenther@suse.de>
3544 PR tree-optimization/38819
3545 * tree-flow.h (operation_could_trap_helper_p): Declare.
3546 * tree-eh.c (operation_could_trap_helper_p): Export.
3547 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
3548 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
3549 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
3550 are about to insert a possibly trapping instruction and fail
3553 2009-01-18 Andreas Schwab <schwab@suse.de>
3555 * doc/install.texi (Configuration): Remove obsolete paragraph
3556 about use of --with-gnu-ld with --with-gnu-as.
3558 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
3560 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
3561 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
3562 Follow spelling conventions.
3564 2009-01-18 Ben Elliston <bje@au.ibm.com>
3566 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
3567 C++ warning about implicit conversion from void * to struct
3569 (bitmap_obstack_free): Likewise for bitmap_element *.
3570 * Makefile.in (bitmap.o-warn): Remove.
3572 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
3574 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
3576 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
3577 Tobias Grosser <tobi.grosser@amd.com>
3579 * graphite.c (graphite_trans_scop_block): Do not block single
3582 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
3584 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
3585 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
3586 test with assertion.
3588 2009-01-16 Richard Guenther <rguenther@suse.de>
3590 PR tree-optimization/38835
3592 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
3593 and INT + PTR -> (INT)(PTR p+ INT) folding.
3594 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
3596 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
3599 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
3600 the subreg from a lowpart subreg if it is also casting the value.
3602 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
3603 Tobias Grosser <tobi.grosser@amd.com>
3605 * graphite.c (compare_prefix_loops): New.
3606 (build_scop_canonical_schedules): Rewritten.
3607 (graphite_transform_loops): Move build_scop_canonical_schedules
3608 after build_scop_iteration_domain.
3610 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
3611 Tobias Grosser <tobi.grosser@amd.com>
3613 * graphite.c (add_conditions_to_domain): Add the loops to
3614 the dimension of the iteration domain. Do copy the domain
3615 only when it exists.
3616 (build_scop_conditions_1): Do not call add_conditions_to_domain.
3617 (add_conditions_to_constraints): New.
3618 (can_generate_code_stmt, can_generate_code): Removed.
3619 (gloog): Do not call can_generate_code.
3620 (graphite_transform_loops): Call add_conditions_to_constraints
3621 after building the iteration domain.
3623 2009-01-16 Jakub Jelinek <jakub@redhat.com>
3625 PR tree-optimization/38789
3626 * tree-ssa-threadedge.c
3627 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
3628 __builtin_constant_p.
3630 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
3632 * dce.c (delete_unmarked_insns): Reversed the order that insns are
3633 examined before deleting them.
3635 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
3637 * function.c (aggregate_value_p): Correctly extract the function
3638 type from CALL_EXPR_FN lookup.
3640 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3642 * config/picochip/picochip.c (picochip_override_options): Revert
3643 CFI asm flag disable commited previously.
3645 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
3646 Tobias Grosser <tobi.grosser@amd.com>
3647 Jan Sjodin <jan.sjodin@amd.com>
3649 * graphite.c (scan_tree_for_params): On substractions negate
3650 all the coefficients of the term.
3651 (clast_to_gcc_expression_red): New. Handle reduction expressions
3652 of more than two operands.
3653 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3654 (get_vdef_before_scop): Handle also the case of default definitions.
3656 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3658 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
3659 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
3660 Also use them when walking CALL_INSN_FUNCTION_USAGE.
3662 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
3663 Joey Ye <joey.ye@intel.com>
3666 * cfgexpand.c (expand_stack_alignment): Don't update stack
3667 boundary nor check incoming stack boundary here.
3668 (gimple_expand_cfg): Update stack boundary and check incoming
3669 stack boundary here.
3671 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
3673 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
3675 2009-01-14 Jakub Jelinek <jakub@redhat.com>
3677 PR rtl-optimization/38245
3678 * calls.c (expand_call): Add stack arguments to
3679 CALL_INSN_FUNCTION_USAGE even for pure calls (when
3680 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
3681 in regs and partially in memory or BLKmode arguments.
3682 (emit_library_call_value_1): Add stack arguments to
3683 CALL_INSN_FUNCTION_USAGE even for pure calls (when
3684 ACCUMULATE_OUTGOING_ARGS).
3685 * dce.c: Include tm_p.h.
3686 (find_call_stack_args): New function.
3687 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
3689 (mark_insn): Call find_call_stack_args for CALL_Ps.
3690 (prescan_insns_for_dce): Walk insns backwards in bb rather than
3691 forwards. Allocate and free arg_stores bitmap if needed, pass it
3692 down to deletable_insn_p, don't mark stores set in arg_stores
3693 bitmap, clear the bitmap at the beginning of each bb.
3694 * Makefile.in (dce.o): Depend on $(TM_P_H).
3696 2009-01-14 Michael Meissner <gnu@the-meissners.org>
3699 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
3700 to make sure the insn is a conditional test (bug 22599). Reformat a
3703 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
3706 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3707 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3708 (gloog): Do not call cleanup_tree_cfg.
3709 (graphite_transform_loops): Call cleanup_tree_cfg after all
3710 scops have been code generated.
3712 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
3713 * doc/gty.texi (Invoking the garbage collector): Added new node
3714 and section documenting ggc_collect.
3716 2009-01-14 Richard Guenther <rguenther@suse.de>
3718 PR tree-optimization/38826
3720 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
3721 initialization notes only if we actually emitted a warning.
3722 (intra_create_variable_infos): Add constraints for a result decl
3723 that is passed by hidden reference.
3724 (build_pred_graph): Mark all related variables non-direct on
3727 2009-01-14 Nick Clifton <nickc@redhat.com>
3729 * ira-conflicts.c: Include addresses.h for the definition of
3731 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
3732 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
3734 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
3737 * Makefile.in (ira-lives.o): Add except.h.
3739 * ira-lives.c: Include except.h.
3740 (process_bb_node_lives): Process can_throw_internal.
3742 2009-01-13 Jakub Jelinek <jakub@redhat.com>
3744 PR rtl-optimization/38774
3745 * combine.c (simplify_set): When undoing cc_use change, don't do
3746 PUT_CODE on the newly created comparison, but instead put back the
3749 2009-01-13 Joseph Myers <joseph@codesourcery.com>
3751 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
3752 values. Remove duplicate arm8 entry.
3754 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
3756 PR tree-optimization/38786
3757 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3758 the SSA_NAME case of expand_scalar_variables_expr.
3759 Set the type of an expression to the type of its assign statement.
3760 (expand_scalar_variables_expr): Also gather the scalar computation
3761 used to index the memory access. Do not pass loop_p.
3762 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
3763 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3764 the gimple_stmt_iterator where it inserts new code.
3766 (copy_bb_and_scalar_dependences): Do not pass loop_p.
3767 (translate_clast): Update call to copy_bb_and_scalar_dependences.
3769 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
3771 * graphite.h (debug_value): Removed.
3772 * graphite.c (debug_value): Removed.
3774 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
3776 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
3777 ldrd/strd with two 32-bit instructions.
3779 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
3781 * config/arm/arm.c (struct processors): Pass for speed down into
3782 cost helper functions.
3783 (const_ok_for_op): Handle COMPARE and inequality nodes.
3784 (arm_rtx_costs_1): Rewrite.
3785 (arm_size_rtx_costs): Update prototype.
3786 (arm_rtx_costs): Pass speed down to helper functions.
3787 (arm_slowmul_rtx_costs): Rework cost calculations.
3788 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
3789 (arm_9e_rtx_costs): Likewise.
3791 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
3793 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
3794 relocations of local symbols wider than UNITS_PER_WORD are not valid.
3795 (alpha_legitimize_address): Do not split local symbols wider than
3796 UNITS_PER_WORD into HIGH/LO_SUM parts.
3798 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
3801 * gcc.c (process_command): Replace call to execvp with calls
3802 to pex_one and exit.
3804 2009-01-03 Anatoly Sokolov <aesok@post.ru>
3807 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
3808 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
3809 variant for devices with 3-byte PC.
3810 (__tablejump_elpm__): New.
3812 2009-01-12 Jakub Jelinek <jakub@redhat.com>
3815 * c-parser.c (c_parser_postfix_expression): Allow `->' in
3816 offsetof member-designator, handle it as `[0].'.
3818 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3820 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
3821 function when not using named sections on targets with named sections
3822 if branch distance is less than 262132.
3824 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
3826 * combine.c (combine_instructions): Recompute
3827 optimize_this_for_speed_p for each BB in the main combine loop.
3829 2009-01-12 Tomas Bily <tbily@suse.cz>
3832 * tree-loop-distribution.c (prop_phis): New function.
3833 (generate_builtin): Call prop_phis.
3834 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
3836 2009-01-12 Jakub Jelinek <jakub@redhat.com>
3838 PR tree-optimization/38807
3839 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
3840 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
3842 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
3844 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
3845 subreg of op0 to the original op0.
3847 2009-01-11 Laurent GUERBY <laurent@guerby.net>
3849 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
3851 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
3854 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
3855 starting with digits.
3857 2009-01-10 Jakub Jelinek <jakub@redhat.com>
3860 * config/arm/arm.c (arm_is_long_call_p): Don't call
3861 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
3863 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
3865 * regrename.c (regrename_optimize): Fix dumping.
3866 (find_oldest_value_reg): Preserve REG_POINTER.
3867 (copy_hardreg_forward_1): Likewise.
3869 2009-01-09 Diego Novillo <dnovillo@google.com>
3871 * gimple.h (struct gimple_statement_base) <uid>: Document
3872 the restrictions on its use.
3874 (gimple_set_uid): Tidy.
3876 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3878 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
3879 zero guard even if align_bytes != 0 and count is smaller than
3882 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
3884 PR rtl-optimization/38495
3885 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
3886 (add_range_and_copies_from_move_list): Print all added ranges.
3887 Add ranges to memory optimized destination.
3889 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3893 * config/i386/i386.c (override_options): Reject
3894 -mstringop-strategy=rep_8byte with -m32.
3895 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
3896 to 1. Do count comparison against epilogue_size_needed at compile
3897 time even when count_exp was constant forced into register. For
3898 size_needed don't jump to epilogue, instead just avoid aligning
3899 and invoke the body algorithm. If need_zero_guard, add zero guard
3900 even if count is non-zero, but smaller than size_needed + number of
3901 bytes that could be stored for alignment.
3902 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
3903 to 1. If need_zero_guard, add zero guard even if count is non-zero,
3904 but smaller than size_needed + number of bytes that could be stored
3905 for alignment. Compare size_needed with epilogue_size_needed instead
3906 of desired_align - align, don't adjust size_needed, pass
3907 epilogue_size_needed to the epilogue expanders.
3910 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
3912 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3914 * pa.c (last_address): Change to unsigned.
3915 (update_total_code_bytes): Change argument to unsigned. Don't
3916 check if insn addresses are set.
3917 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
3918 addresses are not set.
3919 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
3921 2009-01-09 Nick Clifton <nickc@redhat.com>
3923 * config/sh/symbian.c: Replace uses of DECL_INLINE with
3924 DECL_DECLARED_INLINE_P.
3926 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3929 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
3930 GET_MODE (op0) in operand_subword_force calls.
3933 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
3934 fold_convert arg0 operands to TREE_TYPE (op0) first.
3936 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
3938 * params.def (ira-max-conflict-table-size): Decrease default value
3941 2009-01-08 Jakub Jelinek <jakub@redhat.com>
3943 PR tree-optimization/37031
3944 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
3946 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
3947 allocate it using gc instead of heap, use VEC_quick_push instead of
3949 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
3950 instead of heap, use VEC_quick_push instead of VEC_safe_push.
3951 * tree-data-ref.h (struct access_matrix): Change matrix to gc
3952 allocated vector from heap allocated.
3953 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
3954 * tree-loop-linear.c (linear_transform_loops): Allocate nest
3955 vector only after perfect_loop_nest_depth call.
3957 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
3958 Jan Sjodin <jan.sjodin@amd.com>
3960 PR tree-optimization/38559
3961 * graphite.c (debug_value, copy_constraint,
3962 swap_constraint_variables, scale_constraint_variable, ): New.
3963 (get_lower_bound, get_upper_bound): Removed.
3964 (graphite_trans_bb_strip_mine): Clean up this code that works
3965 only for constant number of iterations. Fully copy upper and
3966 lower bound constraints, not only the constant part of them.
3967 * graphite.h (debug_value): Declared.
3969 2009-01-08 Ira Rosen <irar@il.ibm.com>
3971 PR tree-optimization/37194
3972 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
3973 Don't add the cost of cost model guard in prologue to scalar
3974 outside cost in case of known number of iterations.
3976 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
3977 Alan Modra <amodra@bigpond.net.au>
3979 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
3980 non-word-aligned REG+CONST addressing.
3982 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
3985 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
3986 free_after_compilation when outputting a thunk.
3987 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
3988 Do not call free_after_compilation here.
3990 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
3992 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
3993 (ix86_valid_target_attribute_inner_p): Ditto.
3995 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
3997 PR tree-optimization/38492
3998 PR tree-optimization/38498
3999 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
4000 * tree-chrec.h (scev_is_linear_expression): Declared.
4001 * graphite.c (graphite_cannot_represent_loop_niter): New.
4002 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
4003 (graphite_loop_normal_form): Use gcc_assert.
4004 (scan_tree_for_params): Use CASE_CONVERT.
4005 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
4006 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
4007 Use gcc_assert. Discard scops that contain unhandled cases.
4008 (build_scop_conditions): Return a boolean status for unhandled cases.
4009 (strip_mine_profitable_p): Print the loop number, not its depth.
4010 (is_interchange_valid): Pass the depth of the loop nest, don't
4011 recompute it wrongly.
4012 (graphite_trans_bb_block): Same.
4013 (graphite_trans_bb_block): Print tentative of loop blocking.
4014 (graphite_trans_scop_block): Do not print that the loop has been
4016 (graphite_transform_loops): Do not handle scops that contain condition
4019 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
4021 AVX Programming Reference (December, 2008)
4022 * config/i386/avxintrin.h (_mm256_stream_si256): New.
4023 (_mm256_stream_pd): Likewise.
4024 (_mm256_stream_ps): Likewise.
4026 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
4027 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
4028 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
4029 (bdesc_special_args): Add __builtin_ia32_movntdq256,
4030 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
4031 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
4032 (ix86_expand_special_args_builtin): Likewise.
4034 * config/i386/sse.md (AVXMODEDI): New.
4035 (avx_movnt<mode>): Likewise.
4036 (avx_movnt<mode>): Likewise.
4037 (<sse>_movnt<mode>): Remove AVX support.
4038 (sse2_movntv2di): Likewise.
4040 2009-01-07 Richard Guenther <rguenther@suse.de>
4043 * fold-const.c (extract_muldiv): Remove obsolete comment.
4044 (fold_plusminus_mult_expr): Undo MINUS_EXPR
4045 to PLUS_EXPR canonicalization for the canonicalization.
4047 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
4049 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
4050 hosted cross-compilers generating less efficient code.
4052 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
4054 * function.h (rtl_data): Add a dbr_scheduled_p field.
4055 * reorg.c (dbr_schedule): Set it.
4056 (gate_handle_delay_slots): Check it.
4057 * config/mips/mips.c (mips_base_delayed_branch): Delete.
4058 (mips_reorg): Check flag_delayed_branch instead of
4059 mips_base_delayed_branch.
4060 (mips_override_options): Don't set mips_base_delayed_branch
4061 or flag_delayed_branch.
4063 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
4065 PR rtl-optimization/38426.
4066 * ira.c (ira): Set current_function_is_leaf earlier.
4068 2009-01-06 Jakub Jelinek <jakub@redhat.com>
4070 PR rtl-optimization/38722
4071 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
4072 too early, only set a flag and modify after last possible
4075 2009-01-06 Janis Johnson <janis187@us.ibm.com>
4078 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
4079 * real.c (decimal_single_format): Correct values of emin and emax.
4080 (decimal_double_format): Ditto.
4081 (decimal_quad_format): Ditto.
4082 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
4083 computation of DECnn_MIN and DECnn_MAX for corrected values of
4084 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
4085 __DECnn_MIN__, and adjust its computation for the corrected value
4088 2009-01-06 Jan Hubicka <jh@suse.cz>
4091 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
4093 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
4095 * doc/contrib.texi (Contributors): Slightly adjust the end note.
4096 Add Robert Clark to the list of testers.
4098 2009-01-06 Jan Hubicka <jh@suse.cz>
4099 Kai Tietz <kai.tietz@onevision.com>
4101 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
4102 * config/i386/i386.c (ix86_expand_call): Add clobbers.
4104 2009-01-06 Jan Hubicka <jh@suse.cz>
4105 Kai Tietz <kai.tietz@onevision.com>
4107 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
4109 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
4110 (ix86_nsaved_regs): Count only general purpose regs.
4111 (ix86_nsaved_sseregs): New.
4112 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
4113 to 16 for w64; compute padding and size of sse reg save area.
4114 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
4115 general purpose regs.
4116 (ix86_emit_save_sse_regs_using_mov): New.
4117 (ix86_expand_prologue): Save SSE regs if needed.
4118 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
4119 (ix86_emit_restore_sse_regs_using_mov): New.
4120 (ix86_expand_epilogue): Save SSE regs if needed.
4122 2009-01-06 Jan Hubicka <jh@suse.cz>
4123 Kai Tietz <kai.tietz@onevision.com>
4125 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
4126 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
4127 functions when accumulate outgoing args is off.
4129 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
4132 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
4133 before using pseudos_have_intersected_live_ranges_p.
4135 * ira-int.h (ira_assert): Always define.
4137 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
4139 AVX Programming Reference (December, 2008)
4140 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
4141 (_mm256_permute2_pd): Likewise.
4142 (_mm_permute2_ps): Likewise.
4143 (_mm256_permute2_ps): Likewise.
4144 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
4145 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
4147 * config/i386/i386.c (ix86_builtins): Remove
4148 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
4149 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
4150 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
4151 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
4152 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
4153 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
4154 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
4155 __builtin_ia32_vpermil2ps256.
4156 (ix86_init_mmx_sse_builtins): Updated.
4157 (ix86_expand_args_builtin): Likewise.
4159 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4161 * pa.c (output_call): Relocate non-jump insns in the delay slot of
4162 long absolute calls when generating PA 2.0 code.
4164 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
4166 PR rtl-optimization/38583
4167 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
4169 * params.def (ira-max-conflict-table-size): New.
4171 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
4173 * ira.h (ira_conflicts_p): New external definition.
4175 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
4176 table. Report this. Return result of building.
4177 (ira_build_conflicts): Use ira_conflicts_p. Check result of
4178 building conflict table.
4180 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
4181 (ira_color): Use ira_conflicts_p.
4183 * global.c: Include ira.h.
4184 (pseudo_for_reload_consideration_p, build_insn_chain): Use
4187 * Makefile.in (global.o): Add ira.h.
4189 * ira-build.c (mark_all_loops_for_removal,
4190 propagate_some_info_from_allocno): New.
4191 (remove_unnecessary_allocnos): Call
4192 propagate_some_info_from_allocno.
4193 (remove_low_level_allocnos): New.
4194 (remove_unnecessary_regions): Add parameter. Call
4195 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
4196 parameter to remove_unnecessary_regions.
4197 (ira_build): Remove all regions but root if the conflict table was
4198 not built. Update conflict hard regs for allocnos crossing calls.
4200 * ira.c (ira_conflicts_p): New global.
4201 (ira): Define and use ira_conflicts_p.
4203 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
4204 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
4205 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
4207 2009-01-06 Ben Elliston <bje@au.ibm.com>
4209 * gengtype-lex.l (YY_NO_INPUT): Define.
4211 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
4214 * c-common.c (handle_vector_size_attribute): Also reject
4217 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
4219 PR tree-optimization/38492
4220 * graphite.c (rename_map_elt, debug_rename_elt,
4221 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4222 rename_map_elt_info, eq_rename_map_elts,
4223 get_new_name_from_old_name, bb_in_sese_p): Moved around.
4224 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4225 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4226 (sese_build_livein_liveouts): New.
4227 (new_sese, free_sese): New.
4228 (new_scop): Call new_sese.
4229 (free_scop): Call free_sese.
4230 (rename_variables_from_edge, rename_phis_end_scop): Removed.
4231 (register_old_new_names): Renamed register_old_and_new_names.
4232 (register_scop_liveout_renames, add_loop_exit_phis,
4233 insert_loop_close_phis, struct igp,
4234 default_liveout_before_guard, add_guard_exit_phis,
4235 insert_guard_phis, copy_renames): New.
4236 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4237 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4238 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4239 (scop_adjust_phis_for_liveouts): New.
4240 (gloog): Call scop_adjust_phis_for_liveouts.
4242 * graphite.h (struct sese): Documented. Added fields liveout,
4244 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4245 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4246 (struct scop): Added field liveout_renames.
4247 (SCOP_LIVEOUT_RENAMES): New.
4249 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
4251 PR tree-optimization/38510
4252 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4253 (translate_clast): Call recompute_all_dominators before
4255 (gloog): Call recompute_all_dominators before graphite_verify.
4257 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
4258 Jan Sjodin <jan.sjodin@amd.com>
4260 PR tree-optimization/38500
4261 * graphite.c (create_sese_edges): Call fix_loop_structure after
4264 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
4266 * config.gcc: Add m32r*-*-rtems*.
4267 * config/m32r/rtems.h: New file.
4269 2009-01-05 Ben Elliston <bje@au.ibm.com>
4271 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
4272 (.po.pox): Likewise.
4273 (po/gcc.pot): Likewise.
4275 2009-01-04 David S. Miller <davem@davemloft.net>
4277 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
4278 (STARTING_FRAME_OFFSET): Always set to zero.
4280 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
4282 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
4283 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
4284 fixed-point types, and vectors of the same.
4286 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
4288 * config/mips/sync.md (*mb_barrier): Rename to...
4289 (*memory_barrier): ...this.
4291 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
4293 * doc/extend.texi (Function Attributes): Move @cindex after @item
4294 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
4295 and put in alphabetical order. Fix 'target' name and put in order.
4296 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
4299 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
4301 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
4302 (memory_barrier): Expand as unspec instead of unspec_volatile.
4303 Remove mem:BLK from insn operands. Use Pmode scratch register.
4304 (*memory_barrier): Define as unspec instead of unspec_volatile.
4305 Use (match_dup 0) as input operand.
4307 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
4308 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
4309 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
4310 scratch register. Remove operand 1.
4311 (*stbar): Define as unspec instead of unspec_volatile.
4312 Use (match_dup 0) as input operand, remove (const_int 8).
4313 (*membar): Define as unspec instead of unspec_volatile.
4314 Use (match_dup 0) as input operand, remove input operand 2.
4316 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
4317 (memory_barrier): Expand as unspec instead of unspec_volatile.
4318 Remove mem:BLK from insn operands. Use Pmode scratch register.
4319 (*memory_barrier): Define as unspec instead of unspec_volatile.
4320 Use (match_dup 0) as input operand.
4322 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
4323 Remove mem:BLK from insn operands. Use Pmode scratch register.
4324 Set volatile flag on operand 0.
4325 (*memory_barrier): New insn pattern.
4327 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
4329 (*memory_barrier): Use (match_dup 0) as input operand.
4331 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
4332 Remove mem:BLK from insn operands. Use Pmode scratch register.
4333 Set volatile flag on operand 0.
4334 (*mb_internal): New insn pattern.
4336 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
4338 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
4341 * function.c (struct temp_slot): Move to the section of the file
4342 that deals with temp slots. Remove field 'address'.
4343 (temp_slot_address_table): New hash table of address -> temp slot.
4344 (struct temp_slot_address_entry): New struct, items for the table.
4345 (temp_slot_address_compute_hash, temp_slot_address_hash,
4346 temp_slot_address_eq, insert_temp_slot_address): Support functions
4348 (find_temp_slot_from_address): Rewrite to use the new hash table.
4349 (remove_unused_temp_slot_addresses): Remove addresses of temp
4350 slots that have been made available.
4351 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
4352 worker function for remove_unused_temp_slot_addresses.
4353 (assign_stack_temp_for_type): Don't clear the temp slot address list.
4354 Add the temp slot address to the address -> temp slot map.
4355 (update_temp_slot_address): Update via insert_temp_slot_address.
4356 (free_temp_slots): Call remove_unused_temp_slot_addresses.
4357 (pop_temp_slots): Likewise.
4358 (init_temp_slots): Allocate the address -> temp slot map, or empty
4359 the map if it is already allocated.
4360 (prepare_function_start): Initialize temp slot processing.
4362 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
4365 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
4366 Calculate the size of all stack vars assuming no packing of stack
4367 vars will happen, replacing a quadratic algorithm with a linear one.
4369 2009-01-03 Jakub Jelinek <jakub@redhat.com>
4372 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
4375 2009-01-03 Diego Novillo <dnovillo@google.com>
4377 * doc/contrib.texi: Update contributions.
4379 2009-01-03 Jakub Jelinek <jakub@redhat.com>
4382 * builtins.c (fold_builtin_memory_op): Give up if either operand
4383 is volatile. Set srctype or desttype to non-qualified version
4387 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
4390 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
4392 PR rtl-optimization/35805
4393 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
4394 problem if fast dce is able to remove any instructions.
4395 * dce.c (dce_process_block): Fix dump message.
4397 2009-01-02 Mark Mitchell <mark@codesourcery.com>
4400 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
4402 2009-01-02 Jakub Jelinek <jakub@redhat.com>
4405 * tree-flow.h (op_code_prio, op_prio): New prototypes.
4406 * tree-pretty-print.c (op_code_prio): New function.
4407 (op_prio): No longer static. Use op_code_prio.
4408 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
4409 Use op_prio and op_code_prio to determine if () should be
4410 printed around operand(s) or not.
4412 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
4413 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
4414 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
4415 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
4416 pp_character instead of pp_string for single letter printing.
4418 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4420 * doc/extend.texi: Fix '#pragma GCC option' typo.
4422 2009-01-02 Richard Guenther <rguenther@suse.de>
4424 * doc/install.texi (--enable-checking): Mention different
4426 (--enable-stage1-checking): Document.
4428 2009-01-01 Andrew Pinski <pinskia@gmail.com>
4431 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
4432 case to be an error.
4434 2009-01-02 Ben Elliston <bje@au.ibm.com>
4436 * config/fp-bit.h (pack_d): Constify argument.
4437 * config/fp-bit.c (makenan): Constify return type. Remove casts.
4438 (isnan): Constify argument.
4442 (_fpadd_parts): Constify return type.
4443 (_fpmul_parts): Likewise.
4444 (_fpdiv_parts): Likewise.
4446 2009-01-01 Jakub Jelinek <jakub@redhat.com>
4449 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
4450 warn about overwriting initializer with side-effects or
4451 -Woverride-init if !IMPLICIT.
4452 (output_init_element): Likewise. Pass IMPLICIT down to
4454 (process_init_element): Add IMPLICIT argument. Pass it down
4455 to output_init_element.
4456 (push_init_element, pop_init_level, set_designator): Adjust
4457 process_init_element callers.
4458 (set_nonincremental_init, set_nonincremental_init_from_string):
4459 Adjust add_pending_init callers.
4460 (output_pending_init_elements): Adjust output_init_element callers.
4461 * c-tree.h (process_init_element): Adjust prototype.
4462 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
4463 process_init_element callers.