1 2009-03-31 Alan Modra <amodra@bigpond.net.au>
3 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
4 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
5 * configure: Regenerate.
6 * config.in: Regenerate.
7 * config/rs6000/rs6000.opt (mtls-markers): Add.
8 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
9 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
10 (tls_ld_aix, tls_ld_sysv): Likewise.
11 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
12 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
14 2009-03-31 Alan Modra <amodra@bigpond.net.au>
16 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
18 2009-03-30 Jan Hubicka <jh@suse.cz>
20 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
22 (tree_remove_unreachable_handlers): Cleanup EH predecestor
23 detection and label handling.
25 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
27 * ira-int.h (ira_allocno): Rename left_conflicts_num to
29 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
30 ALLOCNO_LEFT_CONFLICTS_SIZE.
32 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
33 remove_allocno_from_bucket_and_push,
34 allocno_spill_priority_compare, push_allocnos_to_stack,
35 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
36 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
37 (setup_allocno_left_conflicts_num): Ditto. Rename to
38 setup_allocno_left_conflicts_size.
39 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
40 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
41 setup_allocno_left_conflicts_size instead of
42 setup_allocno_left_conflicts_num.
44 * ira-build.c (ira_create_allocno): Use
45 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
46 ALLOCNO_LEFT_CONFLICTS_NUM.
48 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
50 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
53 * ira-lives.c (process_bb_node_lives): Ditto.
55 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
56 instead of DF_LR_{OUT,IN}.
58 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
60 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
62 2009-03-30 Jan Hubicka <jh@suse.cz>
64 * except.c (label_to_region_map): Fix thinko.
66 2009-03-30 Steve Ellcey <sje@cup.hp.com>
69 * tree.h (tree_find_value): New declaration.
70 * tree.c (tree_find_value): New function.
71 * varasm.c (assemble_external): Avoid duplicate entries on lists.
73 2009-03-30 Jakub Jelinek <jakub@redhat.com>
76 * c-decl.c (struct c_binding): Add locus field.
77 (bind): Add locus argument, set locus field from it.
78 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
79 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
80 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
81 implicitly_declare, undeclared_variable, lookup_label,
82 declare_label, c_make_fname_decl, c_builtin_function,
83 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
86 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
89 * config/i386/i386.c (classify_argument): Check total size of
92 2009-03-30 Martin Jambor <mjambor@suse.cz>
94 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
95 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
96 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
99 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
100 seen_variable_array_ref while also traversing a union.
102 * tree-inline.c (optimize_inline_calls): Do not call
103 cgraph_node_remove_callees.
104 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
105 (pass_remove_cgraph_callee_edges): New variable.
106 * passes.c (init_optimization_passes): Add
107 pass_remove_cgraph_callee_edges after early inlining and before all
108 late intraprocedural passes.
110 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
112 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
114 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
117 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
119 * combine.c (simplify_comparison): Use have_insn_for.
120 * dojump.c (do_jump): Likewise.
122 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
124 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
125 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
126 sparc_compare_op0 like sparc_compare_emitted used to be handled.
127 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
128 instead of sparc_compare_emitted.
129 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
130 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
131 instead of sparc_compare_emitted.
133 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
135 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
136 enter/exit cfglayout mode.
137 (pass_partition_block): Require it.
138 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
139 (combine_instructions): Track basic blocks instead of labels.
140 (update_cfg_for_uncondjump): New.
141 (try_combine): Use it. Update jumps after rescanning.
142 (pass_combine): Require PROP_cfglayout.
143 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
145 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
147 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
148 Provide/destroy PROP_cfglayout respectively.
149 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
150 * tree-pass.h (PROP_cfglayout): New.
152 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
154 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
155 fold_convert_const_fixed_from_fixed,
156 fold_convert_const_fixed_from_int,
157 fold_convert_const_fixed_from_real, fold_negate_const): Do not
158 set TREE_CONSTANT_OVERFLOW.
159 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
160 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
162 2009-03-30 Ira Rosen <irar@il.ibm.com>
164 * tree-vect-loop-manip.c: New file.
165 * tree-vectorizer.c: Update documentation and included files.
166 (vect_loop_location): Make extern.
167 (rename_use_op): Move to tree-vect-loop-manip.c
168 (rename_variables_in_bb, rename_variables_in_loop,
169 slpeel_update_phis_for_duplicate_loop,
170 slpeel_update_phi_nodes_for_guard1,
171 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
172 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
173 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
174 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
175 find_loop_location): Likewise.
176 (new_stmt_vec_info): Move to tree-vect-stmts.c.
177 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
178 get_vectype_for_scalar_type, vect_is_simple_use,
179 supportable_widening_operation, supportable_narrowing_operation):
181 (bb_in_loop_p): Move to tree-vect-loop.c.
182 (new_loop_vec_info, destroy_loop_vec_info,
183 reduction_code_for_scalar_code, report_vect_op,
184 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
185 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
186 (vect_supportable_dr_alignment): Likewise.
187 * tree-vectorizer.h (tree-data-ref.h): Include.
188 (vect_loop_location): Declare.
189 Reorganize function declarations according to the new file structure.
190 * tree-vect-loop.c: New file.
191 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
192 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
193 * tree-vect-data-refs.c: New file.
194 * tree-vect-patterns.c (timevar.h): Don't include.
195 * tree-vect-stmts.c: New file.
196 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
197 tree-vect-slp.c, tree-vect-loop.c.
198 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
199 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
200 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
201 (tree-vect-analyze.o): Remove.
202 (tree-vect-transform.o): Likewise.
203 (tree-vect-data-refs.o): Add rule.
204 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
205 tree-vect-slp.o): Likewise.
206 (tree-vect-patterns.o): Remove redundant dependencies.
207 (tree-vectorizer.o): Likewise.
208 * tree-vect-slp.c: New file.
210 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
212 * optc-gen.awk: Warn if an option flag has multiple different
215 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
217 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
218 -floop-block): Document dependences on PPL, CLooG and Graphite.
220 2009-03-30 Joseph Myers <joseph@codesourcery.com>
222 PR rtl-optimization/323
223 * c-common.c (c_fully_fold, convert_and_check,
224 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
225 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
226 * c-common.def (EXCESS_PRECISION_EXPR): New.
227 * c-cppbuiltin.c (builtin_define_float_constants): Define
228 constants with enough digits for long double.
229 * c-lex.c (interpret_float): Interpret constant with excess
230 precision where appropriate.
231 * c-opts.c (c_common_post_options): Set
232 flag_excess_precision_cmdline. Give an error for
233 -fexcess-precision=standard for C++ for processors where the
234 option is significant.
235 * c-parser.c (c_parser_conditional_expression): Handle excess
236 precision in condition.
237 * c-typeck.c (convert_arguments): Handle arguments with excess
239 (build_unary_op): Move excess precision outside operation.
240 (build_conditional_expr): Likewise.
241 (build_compound_expr): Likewise.
242 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
243 (build_modify_expr): Handle excess precision in RHS.
244 (convert_for_assignment): Handle excess precision in converted
246 (digest_init, output_init_element, process_init_element): Handle
247 excess precision in initializer.
248 (c_finish_return): Handle excess precision in return value.
249 (build_binary_op): Handle excess precision in operands and add
250 excess precision as needed for operation.
251 * common.opt (-fexcess-precision=): New option.
252 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
253 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
254 For standard excess precision, output explicit conversion to and
255 truncation from XFmode.
256 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
257 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
258 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
259 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
260 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
261 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
262 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
263 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
264 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
265 define_splits, sqrt<mode>2): Disable where appropriate for
266 standard excess precision.
267 * convert.c (convert_to_real): Do not shorten arithmetic to type
268 for which excess precision would be used.
269 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
270 * doc/invoke.texi (-fexcess-precision=): Document option.
271 (-mfpmath=): Correct index entry.
272 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
273 flag_excess_precision): New.
274 * langhooks.c (lhd_post_options): Set
275 flag_excess_precision_cmdline.
276 * opts.c (common_handle_option): Handle -fexcess-precision=.
277 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
278 init_excess_precision): New.
279 (lang_dependent_init_target): Call init_excess_precision.
280 * tree.c (excess_precision_type): New.
281 * tree.h (excess_precision_type): Declare.
283 2009-03-30 Joseph Myers <joseph@codesourcery.com>
286 * c-typeck.c (build_component_ref): Do not copy qualifiers from
287 non-lvalue to component.
289 2009-03-29 Joseph Myers <joseph@codesourcery.com>
291 PR preprocessor/34695
292 * Makefile.in (c-opts.o): Depend on c-tree.h.
293 * c-common.c: Move down include of diagnostic.h.
294 (done_lexing, c_cpp_error): New.
295 * c-common.h (done_lexing): Declare.
296 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
298 * c-opts.c: Include c-tree.h.
299 (c_common_init_options): Set preprocessor error callback.
300 (c_common_handle_option): Do not set preprocessor
301 inhibit_warnings, warnings_are_errors, warn_system_headers,
302 pedantic_errors or inhibit_warnings flags.
303 (c_common_post_options): Do not check cpp_errors (parse_in).
304 (c_common_finish): Do not output dependencies if there were
305 errors. Do not check return value of cpp_finish.
306 * c-ppoutput.c (pp_file_change): Set input_location.
307 * c-tree.h (c_cpp_error): Declare.
308 * diagnostic.c (diagnostic_set_info_translated): Also initialize
310 (diagnostic_build_prefix): Check override_column.
311 * diagnostic.h (diagnostic_info): Add override_column field.
312 (diagnostic_override_column): Define.
314 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
316 * c-common.c (c_expand_expr, c_staticp): Remove.
317 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
318 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
319 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
320 * c-gimplify.c (gimplify_compound_literal_expr,
321 optimize_compound_literals_in_ctor): Remove.
322 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
323 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
324 * c-semantics.c (emit_local_var): Remove.
326 * langhooks-def.h (lhd_expand_expr): Remove.
327 * langhooks.c (lhd_expand_expr): Remove.
328 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
330 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
331 handling from c-semantics.c; don't call into langhook.
332 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
333 * gimplify.c (gimplify_compound_literal_expr,
334 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
335 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
336 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
337 as was done in c-gimplify.c.
338 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
339 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
340 Move from c-common.h.
341 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
343 * tree.c (staticp): Do not call langhook.
344 * langhooks.c (lhd_staticp): Delete.
345 * langhooks-def.h (lhd_staticp): Delete prototype.
346 (LANG_HOOKS_STATICP): Delete.
347 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
349 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
350 instead of DECL_STMTs.
352 2009-03-29 Joseph Myers <joseph@codesourcery.com>
360 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
362 (fold_call_expr): Return a NOP_EXPR from folding rather than the
363 contained expression.
364 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
365 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
366 conditional expressions for C.
367 (decl_constant_value_for_optimization): Move from
368 decl_constant_value_for_broken_optimization in c-typeck.c. Check
369 whether optimizing and that the expression is a VAR_DECL not of
370 array type instead of doing such checks in the caller. Do not
371 check pedantic. Call gcc_unreachable for C++.
372 * c-common.def (C_MAYBE_CONST_EXPR): New.
373 * c-common.h (c_fully_fold, c_save_expr,
374 decl_constant_value_for_optimization): New prototypes.
375 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
376 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
377 EXPR_INT_CONST_OPERANDS): Define.
378 * c-convert.c (convert): Strip nops from expression.
379 * c-decl.c (groktypename): Take extra parameters expr and
380 expr_const_operands. Update call to grokdeclarator.
381 (start_decl): Update call to grokdeclarator. Add statement for
382 expressions used in type of decl.
383 (grokparm): Update call to grokdeclarator.
384 (push_parm_decl): Update call to grokdeclarator.
385 (build_compound_literal): Add parameter non_const and build a
386 C_MAYBE_COSNT_EXPR if applicable.
387 (grokdeclarator): Take extra parameters expr and
388 expr_const_operands. Track expressions used in declaration
389 specifiers and declarators. Fold array sizes and track whether
390 they are constant expressions and whether they are integer
391 constant expressions.
392 (parser_xref_tag): Set expr and expr_const_operands fields in
394 (grokfield): Update call to grokdeclarator.
395 (start_function): Update call to grokdeclarator.
396 (build_null_declspecs): Set expr and expr_const_operands fields in
398 (declspecs_add_type): Handle expressions in typeof specifiers.
399 * c-parser.c (c_parser_declspecs): Set expr and
400 expr_const_operands fields for declaration specifiers.
401 (c_parser_enum_specifier): Likewise.
402 (c_parser_struct_or_union_specifier): Likewise.
403 (c_parser_typeof_specifier): Likewise. Update call to
404 groktypename. Fold expression as needed. Return expressions with
405 type instead of adding statements.
406 (c_parser_attributes): Update calls to c_parser_expr_list.
407 (c_parser_statement_after_labels): Fold expression before passing
408 to objc_build_throw_stmt.
409 (c_parser_condition): Fold expression.
410 (c_parser_asm_operands): Fold expression.
411 (c_parser_conditional_expression): Use c_save_expr. Update call
412 to build_conditional_expr.
413 (c_parser_alignof_expression): Update call to groktypename.
414 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
415 original_code. Fold expression argument of va_arg. Create
416 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
417 argument to va_arg. Update calls to groktypename. Fold array
418 index for offsetof. Verify that first argument to
419 __builtin_choose_expr has integer type.
420 (c_parser_postfix_expression_after_paren_type): Update calls to
421 groktypename and build_compound_literal. Handle expressions with
422 side effects in type name.
423 (c_parser_postfix_expression_after_primary): Update call to
424 c_parser_expr_list. Set original_code for calls to
425 __builtin_constant_p.
426 (c_parser_expr_list): Take extra parameter fold_p. Fold
427 expressions if requested.
428 (c_parser_objc_type_name): Update call to groktypename.
429 (c_parser_objc_synchronized_statement): Fold expression.
430 (c_parser_objc_receiver): Fold expression.
431 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
432 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
433 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
434 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
435 (struct c_typespec): Add elements expr and expr_const_operands.
436 (struct c_declspecs): Add elements expr and expr_const_operands.
437 (groktypename, build_conditional_expr, build_compound_literal):
439 (in_late_binary_op): Declare.
440 * c-typeck.c (note_integer_operands): New function.
441 (in_late_binary_op): New variable.
442 (decl_constant_value_for_broken_optimization): Move to c-common.c
443 and rename to decl_constant_value_for_optimization.
444 (default_function_array_conversion): Do not strip nops.
445 (default_conversion): Do not call
446 decl_constant_value_for_broken_optimization.
447 (build_array_ref): Do not fold result.
448 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
449 result when operand is a VLA.
450 (c_expr_sizeof_type): Update call to groktypename. Handle
451 expressions included in type name. Use C_MAYBE_CONST_EXPR for
452 result when operand names a VLA type.
453 (build_function_call): Update call to build_compound_literal.
454 Only fold result for calls to __builtin_* functions. Strip
455 NOP_EXPR from INTEGER_CST returned from such functions. Fold
456 the function designator.
457 (convert_arguments): Fold arguments. Update call to
458 convert_for_assignment.
459 (build_unary_op): Handle increment and decrement of
460 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
461 decrement earlier. Fold operand of increment and decrement.
462 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
463 built for integer operand. Wrap returns that are INTEGER_CSTs
464 without being integer constant expressions or that have integer
465 constant operands without being INTEGER_CSTs.
466 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
467 (build_conditional_expr): Add operand ifexp_bcp. Track whether
468 result is an integer constant expression or can be used in
469 unevaluated parts of one and avoid folding and wrap as
470 appropriate. Fold operands before possibly doing -Wsign-compare
472 (build_compound_expr): Wrap result for C99 if operands can be used
473 in integer constant expressions.
474 (build_c_cast): Update call to digest_init. Do not ignore
475 overflow from casting floating-point constants to integers. Wrap
476 results that could be confused with integer constant expressions,
477 null pointer constants or floating-point constants.
478 (c_cast_expr): Update call to groktypename. Handle expressions
479 included in type name.
480 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
481 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
482 Update calls to convert_for_assignment.
483 (convert_for_assignment): Take new parameter
484 null_pointer_constant. Do not strip nops or call
485 decl_constant_value_for_broken_optimization. Set
486 in_late_binary_op for conversions to boolean.
487 (store_init_value): Update call to digest_init.
488 (digest_init): Take new parameter null_pointer_constant. Do not
489 call decl_constant_value_for_broken_optimization. pedwarn for
490 initializers not constant expressions. Update calls to
491 convert_for_assignment.
492 (constructor_nonconst): New.
493 (struct constructor_stack): Add nonconst element.
494 (really_start_incremental_init, push_init_level, pop_init_level):
495 Handle constructor_nonconst and nonconst element.
496 (set_init_index): Call constant_expression_warning for array
498 (output_init_element): Fold value. Set constructor_nonconst as
499 applicable. pedwarn for initializers not constant expressions.
500 Update call to digest_init. Call constant_expression_warning
501 where constant initializers are required.
502 (process_init_element): Use c_save_expr.
503 (c_finish_goto_ptr): Fold expression.
504 (c_finish_return): Fold return value. Update call to
505 convert_for_assignment.
506 (c_start_case): Fold switch expression.
507 (c_process_expr_stmt): Fold expression.
508 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
509 ensure statement expression is not evaluated in constant expression.
510 (build_binary_op): Track whether results are integer constant
511 expressions or may occur in such, disable folding and wrap results
512 as applicable. Fold operands for -Wsign-compare warnings unless
514 (c_objc_common_truthvalue_conversion): Handle results folded to
515 integer constants that are not integer constant expressions.
516 * doc/extend.texi: Document when typeof operands are evaluated,
517 that condition of __builtin_choose_expr is an integer constant
518 expression, and more about use of __builtin_constant_p in
521 2009-03-29 Richard Guenther <rguenther@suse.de>
523 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
524 propagate addresses of array references.
526 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
528 * regmove.c (perhaps_ends_bb_p): Remove.
529 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
530 from INSN and check that the main loop stays within that basic block.
531 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
532 (regmove_forward_pass): Split out from regmove_optimize. Use
533 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
534 (regmove_backward_pass): Split out from regmove_optimize. Use
535 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
536 (regmove_optimize): Simplify.
538 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
541 * config/i386/i386.c (classify_argument): Ignore flexible array
542 member in struct and warn ABI change.
544 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
546 * config/i386/i386-protos.h (ix86_agi_dependent): New.
548 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
549 (ix86_adjust_cost): Updated.
551 2009-03-29 Jan Hubicka <jh@suse.cz>
554 * tree-pass.h (pass_cleanup_eh): New function.
555 (remove_unreachable_regions): Break code handling RTL
556 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
557 that can not be reached by runtime.
558 (can_be_reached_by_runtime): New function.
559 (label_to_region_map): New function.
560 (num_eh_regions): New function.
561 (rtl_remove_unreachable_regions): New function.
562 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
563 (remove_eh_region): New function.
564 * except.h: Include sbitmap and vecprim.
565 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
566 num_eh_regions): Declare.
567 * passes.c (init_optimization_passes): Schedule cleanup_eh.
568 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
569 * tree-eh.c (tree_remove_unreachable_handlers): New function.
570 (tree_empty_eh_handler_p): New function.
571 (cleanup_empty_eh): New function.
572 (cleanup_eh): New function.
573 (pass_cleanup_eh): New function.
575 2009-03-29 Jan Hubicka <jh@suse.cz>
577 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
580 2009-03-29 Jan Hubicka <jh@suse.cz>
582 * except.c (dump_eh_tree): Dump all datastructures.
584 2009-03-29 Jan Hubicka <jh@suse.cz>
586 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
587 (duplicate_eh_regions_1): Likewise.
588 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
589 vector; call EH verification.
590 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
591 Be ready for region being removed.
593 2009-03-29 Jan Hubicka <jh@suse.cz>
595 * bitmap.c (bitmap_last_set_bit): New function.
596 * bitmap.h (bitmap_last_set_bit): Declare.
598 2009-03-29 David Ayers <ayers@fsfe.org>
601 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
602 by calling objc_compare_types and surpress warnings about
603 incompatible C pointers that are compatible ObjC pointers.
605 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
607 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
608 call initialize_inline_failed.
609 (initialize_inline_failed): Move it from here ...
610 * cgraph.c (initialize_inline_failed): ... to here.
611 (cgraph_create_edge): Call initialize_inline_failed rather than
612 setting inline_failed directly.
614 2009-03-29 Ben Elliston <bje@au.ibm.com>
617 * sysv4.opt (msdata): Improve comment.
618 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
619 * sysv4.h (SVR4_ASM_SPEC): Likewise.
621 2009-03-29 Ben Elliston <bje@au.ibm.com>
624 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
625 load and store attributes.
627 2009-03-29 Ben Elliston <bje@au.ibm.com>
629 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
630 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
631 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
632 * doc/extend.texi (X86 Built-in Functions): Add index entries for
633 __builtin_infq and __builtin_huge_valq.
635 2009-03-28 Anatoly Sokolov <aesok@post.ru>
637 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
639 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
640 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
642 2009-03-28 Xinliang David Li <davidxl@google.com>
644 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
645 (do_dbg_cnt): New function.
647 2009-03-28 Jan Hubicka <jh@suse.cz>
649 Merge from pretty-ipa:
651 2009-03-27 Jan Hubicka <jh@suse.cz>
653 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
654 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
655 * passes.c (function_called_by_processed_nodes_p): New.
656 * ipa-pure-const.c (check_call): Fix handling of operands.
657 (analyze_function): Dump debug output for skipped bodies.
658 (local_pure_const): Use function_called_by_processed_nodes_p.
659 * dwarf2out.c (reference_to_unused): Use output.
660 * passes.c (do_per_function_toporder): Likewise.
662 2008-11-12 Jan Hubicka <jh@suse.cz>
664 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
665 * ipa-pure-const.c (funct_state_d): Add can throw field; make
666 state_set_in_source enum
667 (check_decl): Ignore memory tags; do not set fake looping flags;
669 (check_operand, check_tree, check_rhs_var, check_lhs_var,
670 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
671 (check_call, analyze_function): Rewrite.
673 (add_new_function): Update call of analyze_function.
674 (generate_summary): Add call of analyze_function.
675 (propagate): Propagate can_throw; handle state_set_in_source correctly.
676 (local_pure_const): New function.
677 (pass_local_pure_const): New pass.
678 * ipa-inline.c (inline_transform): Set after_inlining.
679 * tree-eh.c (stmt_can_throw_external): New.
680 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
681 work with aliasing built.
682 * tree-flow.h (stmt_can_throw_external): New.
683 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
684 and local pure/const pass in early and late optimization queue.
686 2009-03-28 Martin Jambor <mjambor@suse.cz>
688 * fold-const.c (get_pointer_modulus_and_residue): New parameter
690 (fold_binary): Allow function decl aligment consideration is the
691 second argument is integer constant one.
692 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
693 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
694 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
696 2009-03-28 Jan Hubicka <jh@suse.cz>
698 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
699 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
700 * function.h (rtl_data): Add nothrow flag.
701 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
702 set DECL_NOTHROW for AVAILABLE functions.
704 2009-03-28 Jakub Jelinek <jakub@redhat.com>
706 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
707 following vector keyword has expansion starting with pixel or bool
708 keyword, expand vector to __vector and pixel or bool to __pixel or
712 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
713 warn_if_disallowed_function_p): Removed.
714 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
715 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
716 warning_if_disallowed_function_p.
717 * flags.h (warn_if_disallowed_function_p,
718 warn_disallowed_functions): Removed.
719 * common.opt (Wdisallowed-function-list=): Removed.
720 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
722 2009-03-28 Richard Guenther <rguenther@suse.de>
724 PR tree-optimization/38723
725 * tree-ssa-pre.c (compute_avail): Add all default definitions to
728 2009-03-28 Jan Hubicka <jh@suse.cz>
730 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
731 test introduced by my previous patch.
733 2009-03-28 Richard Guenther <rguenther@suse.de>
735 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
736 the PHIs value undefined.
738 2009-03-28 Jan Hubicka <jh@suse.cz>
740 * tree-pass.h (pass_fixup_cfg): New pass.
741 * ipa-inline.c (inline_transform): Set
742 always_inline_functions_inlined/after_inlining.
743 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
744 (pass_fixup_cfg): New pass.
745 * passes.c (init_optimization_passes): Add fixup_cfg.
747 2009-03-28 Richard Guenther <rguenther@suse.de>
749 PR tree-optimization/38458
750 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
751 argument use the arguments copy-of value.
753 2009-03-28 Richard Guenther <rguenther@suse.de>
755 PR tree-optimization/38180
756 * tree-ssa-ccp.c (get_default_value): Simplify.
757 (likely_value): Likewise.
758 (surely_varying_stmt_p): Properly handle VOP case.
759 (ccp_initialize): Likewise.
760 (ccp_fold): Handle propagating through *&.
761 (fold_const_aggregate_ref): Also handle decls.
763 2009-03-28 Jan Hubicka <jh@suse.cz>
765 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
766 * cgraph.h (cgraph_node): Likewise.
767 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
768 (cgraph_reset_node): Use process flag.
769 (cgraph_mark_functions_to_output): Likewise.
770 (cgraph_expand_function): Likewise.
771 (cgraph_expand_all_functions): Likewise.
772 (cgraph_output_in_order): Likewise.
773 * dwarf2out.c (reference_to_unused): Likewise.
774 * passes.c do_per_function_toporder): Likewise.
776 2009-03-28 Jan Hubicka <jh@suse.cz>
778 Bring from lto-branch:
780 2008-09-03 Doug Kwan <dougkwan@google.com>
782 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
783 enums instead of reason strings.
784 * cgraph.c (cgraph_create_edge): Same.
785 (cgraph_inline_failed_string): New function.
786 * cgraph.h (cgraph_inline_failed_t): New enum type.
787 (cgraph_inline_failed_string): New prototype.
788 (struct cgraph_edge): Change type of INLINED_FAILED from constant
789 char pointer to cgraph_inline_failed_t.
790 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
791 (cgraph_default_inline_p): Ditto.
792 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
793 to cgraph_inline_failed_t pointer.
794 * cif-code.def: New file.
795 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
797 (cgraph_check_inline_limits): Change type of REASON to pointer to
798 cgraph_inline_failed_t. Replace reason strings with enums.
799 (cgraph_default_inline_p): Ditto.
800 (cgraph_recursive_inlining_p): Ditto.
801 (update_caller_keys): Change type of FAILED_REASON to
802 cgraph_inline_failed_t.
803 (cgraph_set_inline_failed): Change type of REASON to pointer to
804 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
805 convert enums to strings for text output.
806 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
807 to be of type cgraph_inline_failed_t. Replace reason strings with
808 enums. Call cgraph_inline_failed_string to covert enums
809 to strings for text output.
810 (cgraph_decide_inlining): Replace reason strings with enums.
811 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
812 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
814 * tree-inline.c (expand_call_inline): Change type of REASON
815 to cgraph_inline_failed_t. Replace reason strings with enums.
816 Call cgraph_inline_failed_string for text output.
817 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
820 2009-03-28 Jan Hubicka <jh@suse.cz>
822 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
823 cgraph_clone_node): Remove master clone handling.
824 (cgraph_is_master_clone, cgraph_master_clone): Remove.
825 * cgraph.h (master_clone): Remove.
826 (cgraph_is_master_clone, cgraph_master_clone): Remove.
827 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
828 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
830 2009-03-28 Jan Hubicka <jh@suse.cz>
832 * cgraph.c (cgraph_function_body_availability): Functions declared
833 inline are always safe to assume that it is not going to be replaced.
835 2009-03-28 Richard Guenther <rguenther@suse.de>
837 PR tree-optimization/38513
838 * tree-ssa-pre.c (eliminate): Remove redundant stores.
839 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
840 EXC_PTR_EXPR and FILTER_EXPR.
841 (get_ref_from_reference_ops): Likewise.
843 2009-03-28 Richard Guenther <rguenther@suse.de>
845 PR tree-optimization/38968
846 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
847 Use FLOOR_MOD_EXPR to compute misalignment.
849 2009-03-28 Richard Guenther <rguenther@suse.de>
851 PR tree-optimization/37795
852 * tree.h (combine_comparisons): Declare.
853 * fold-const.c (combine_comparisons): Export.
854 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
856 (ifcombine_iforif): Use combine_comparisons.
858 2009-03-28 Jan Hubicka <jh@suse.cz>
860 * tree-eh.c (inlinable_call_p): New function.
861 (make_eh_edges): Use it.
862 (verify_eh_edges): Use it.
863 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
864 * except.c (reachable_next_level): Add inlinable_function argument
865 (sjlj_find_directly_reachable_regions): Update.
866 (add_reachable_handler): Do not set saw_any_handlers.
867 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
868 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
869 Add new inlinable call parameter.
870 (can_throw_internal, can_throw_external): Update.
871 * except.h (can_throw_internal_1, can_throw_external_1,
872 foreach_reachable_handler): Update declaration.
874 2009-03-28 Joseph Myers <joseph@codesourcery.com>
876 * config/arm/t-arm-coff, config/h8300/coff.h,
877 config/i386/i386-aout.h, config/i386/i386-coff.h,
878 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
879 config/pdp11/2bsd.h, config/rs6000/aix41.h,
880 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
881 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
882 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
884 * Makefile.in: Remove protoize and fixproto support and references
886 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
887 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
889 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
890 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
892 (rest.encap): Don't depend on $(STMP_FIXPROTO)
893 (.PHONY): Don't depend on proto.
894 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
895 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
896 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
897 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
898 build/gen-protos.o, build/scan.o, xsys-protos.h,
899 build/fix-header$(build_exeext), build/fix-header.o,
900 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
901 stmp-install-fixproto): Remove.
902 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
903 SYSCALLS.c or fixproto files.
904 (install-common): Don't install protoize.
905 (install-headers-tar, install-headers-cpio, install-headers-cp):
906 Don't depend on $(STMP_FIXPROTO).
907 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
908 install fixproto files or write out fixproto settings.
909 (uninstall): Don't uninstall protoize.
910 * config.gcc (use_fixproto): Remove.
911 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
912 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
913 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
914 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
915 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
916 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
917 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
918 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
919 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
920 * config/t-vxworks (STMP_FIXPROTO): Remove.
921 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
922 STMP_FIXPROTO): Remove.
923 * config.in, configure: Regenerate.
924 * crtstuff.c (gid_t, uid_t): Don't undefine.
925 * doc/install.texi: Change m68k-coff to m68k-elf in example.
926 (arm-*-coff, arm-*-aout: Remove target entries.
927 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
928 Remove mention of AIX 4.1.
929 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
930 * doc/invoke.texi (Running Protoize): Remove.
931 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
932 (Protoize Caveats): Remove.
933 * tsystem.h: Update comments on headers assumed to exist.
935 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
937 * genautomata.c: Add a new year to the copyright. Add a new
939 (struct insn_reserv_decl): Add comments for member bypass_list.
940 (find_bypass): Remove.
941 (insert_bypass): New.
942 (process_decls): Use insert_bypass.
943 (output_internal_insn_latency_func): Output all bypasses with the
944 same input insn in one switch case.
946 * rtl.def (define_bypass): Describe bypass choice.
947 * doc/md.texi (define_bypass): Ditto.
949 2009-03-27 Richard Guenther <rguenther@suse.de>
951 * gimplify.c (mark_addressable): Export.
952 * tree-flow.h (mark_addressable): Declare.
953 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
954 * tree-ssa.c (verify_phi_args): Verify that address taken
955 variables have TREE_ADDRESSABLE set.
957 2009-03-27 Richard Guenther <rguenther@suse.de>
959 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
960 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
961 Do not mark decls TREE_ADDRESSABLE.
962 (build_fold_addr_expr): Adjust.
963 (fold_addr_expr): Remove.
964 (fold_unary): Use build_fold_addr_expr.
965 (fold_comparison): Likewise.
966 (split_address_to_core_and_offset): Likewise.
967 * coverage.c (tree_coverage_counter_addr): Mark the array decl
969 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
970 (gimplify_modify_expr_to_memcpy): Mark source and destination
972 * omp-low.c (create_omp_child_function): Mark the object decl
974 (lower_rec_input_clauses): Mark the var we take the address of
976 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
978 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
981 * cfgexpand.c (expand_one_stack_var_at): Change alignment
982 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
984 2009-03-27 Richard Guenther <rguenther@suse.de>
986 PR tree-optimization/39120
987 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
989 (handle_lhs_call): Process return constraints. Add escape
990 constraints if necessary.
991 (handle_const_call): Fill out return constraints. Make nested
992 case more precise. Avoid consttmp if possible.
993 (handle_pure_call): Fill out return constraints. Avoid
994 callused if possible.
995 (find_func_aliases): Simplify call handling.
997 2009-03-27 Richard Guenther <rguenther@suse.de>
999 PR tree-optimization/39120
1000 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
1001 as a representative.
1002 (solve_graph): Do propagate CALLUSED.
1003 (handle_pure_call): Use a scalar constraint from CALLUSED for
1005 (find_what_p_points_to): CALLUSED shall not appear in poins-to
1008 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1011 * c-common.c (handle_aligned_attribute): Properly check alignment
1012 overflow. Use (1U << i) instead of (1 << i).
1014 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
1016 * expr.h (get_mem_align_offset): Updated.
1018 * tree.h (tree_decl_common): Change align to "unsigned int" and
1019 move it before pointer_alias_set.
1021 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1022 Jakub Jelinek <jakub@redhat.com>
1025 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
1026 gr_register_operand with gr_reg_or_0_operand.
1027 (cmpxchg_rel_di): Likewise.
1028 (sync_lock_test_and_set<mode>): Likewise.
1030 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1032 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
1033 (true_regnum): Likewise.
1035 * rtlanal.c (subreg_info): Moved to ...
1036 * rtl.h (subreg_info): Here. New.
1037 (subreg_get_info): New.
1039 * rtlanal.c (subreg_get_info): Make it extern.
1041 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1044 * config/i386/i386.c (ix86_abi): New.
1045 (override_options): Handle -mabi=.
1046 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
1047 (ix86_call_abi_override): Likewise.
1048 (init_cumulative_args): Likewise.
1049 (function_arg_advance): Likewise.
1050 (function_arg_64): Likewise.
1051 (function_arg): Likewise.
1052 (ix86_pass_by_reference): Likewise.
1053 (ix86_function_value_regno_p): Likewise.
1054 (ix86_build_builtin_va_list_abi): Likewise.
1055 (setup_incoming_varargs_64): Likewise.
1056 (is_va_list_char_pointer): Likewise.
1057 (ix86_init_machine_status): Likewise.
1058 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
1059 (ix86_function_type_abi): Return enum calling_abi. Rewrite
1060 for 64bit. Replace DEFAULT_ABI with ix86_abi.
1061 (ix86_function_abi): Make it static and return enum calling_abi.
1062 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
1064 (ix86_fn_abi_va_list): Updated.
1066 * config/i386/i386.h (ix86_abi): New.
1067 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
1068 (CONDITIONAL_REGISTER_USAGE): Likewise.
1069 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
1070 (machine_function): Likewise.
1072 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
1074 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
1075 (STACK_BOUNDARY): Likewise.
1076 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
1078 * config/i386/i386.opt (mabi=): New.
1080 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
1081 return enum calling_abi.
1082 (ix86_function_type_abi): Likewise.
1083 (ix86_function_abi): Removed.
1085 * doc/invoke.texi: Document -mabi= option for x86.
1087 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1089 * builtins.c (real_dconstp): Delete.
1090 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
1092 2009-03-27 Dodji Seketeli <dodji@redhat.com>
1093 Jakub Jelinek <jakub@redhat.com>
1096 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
1097 (gen_subprogram_die): When a function is explicit, generate the
1098 DW_AT_explicit attribute.
1099 * langhooks.h (struct lang_hooks_for_decls): Add
1100 function_decl_explicit_p langhook.
1101 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
1102 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
1104 2009-03-27 Jakub Jelinek <jakub@redhat.com>
1106 * builtins.c (fold_builtin_memory_op): Optimize memmove
1107 into memcpy if we can prove source and destination don't overlap.
1109 * tree-inline.c: Include gt-tree-inline.h.
1110 (clone_fn_id_num): New variable.
1111 (clone_function_name): New function.
1112 (tree_function_versioning): Use it.
1113 * Makefile.in (GTFILES): Add tree-inline.c.
1115 2009-03-27 Mark Mitchell <mark@codesourcery.com>
1117 * BASE-VER: Change to 4.5.0.
1119 2009-03-27 Xinliang David Li <davidxl@google.com>
1121 PR tree-optimization/39557
1122 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
1124 2009-03-27 Xinliang David Li <davidxl@google.com>
1126 PR tree-optimization/39548
1127 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
1130 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1132 * c-common.c (pointer_int_sum): Use %wd on return from
1135 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1137 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
1138 on return from tree_low_cst.
1140 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
1143 * ginclude/stdarg.h (va_copy): Define also for
1144 __GXX_EXPERIMENTAL_CXX0X__.
1146 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1149 * builtins.h (c_strlen): Do not warn here.
1150 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
1151 * c-common.c (pointer_int_sum): Take an explicit location.
1152 Warn about offsets out of bounds.
1153 * c-common.h (pointer_int_sum): Adjust declaration.
1155 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1157 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
1160 2009-03-26 Jakub Jelinek <jakub@redhat.com>
1163 * opts.c (warn_if_disallowed_function_p): Don't assume
1164 get_callee_fndecl must return non-NULL.
1166 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
1168 PR rtl-optimization/39522
1169 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
1170 when reg_reloaded_valid is set.
1172 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1174 * config/spu/divv2df3.c: New file.
1175 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
1176 (DPBIT_FUNCS): Filter out _div_df.
1178 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
1180 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
1181 a jump insn, count that jump in the distance to the loop start.
1183 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
1186 * config/sh/sh.c (calc_live_regs): Fix condition for global
1187 registers except PIC_OFFSET_TABLE_REGNUM.
1189 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
1192 * doc/invoke.texi (-mconsole): New.
1196 (-mnop-fun-dllimport): New.
1200 (sub section "i386 and x86-64 Windows Options"): New.
1202 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
1204 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
1205 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
1207 2009-03-25 Richard Guenther <rguenther@suse.de>
1210 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
1213 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
1215 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
1216 neither of haifa/selective schedulers are working.
1218 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1220 * doc/invoke.texi (Debugging Options): Fix description of
1221 -fno-merge-debug-strings.
1223 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
1225 * config/cris/libgcc.ver: New version-script.
1226 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
1228 * configure.ac <GAS features, nop mnemonic>: Add pattern
1229 crisv32-*-* for "nop".
1230 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
1231 * configure: Regenerate.
1233 2009-03-24 Ira Rosen <irar@il.ibm.com>
1235 PR tree-optimization/39529
1236 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
1237 mark_sym_for_renaming for the tag copied to the new vector
1240 2009-03-24 Arthur Loiret <aloiret@debian.org>
1242 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
1243 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
1244 EXTRA_SPEC_FUNCTIONS.
1245 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
1246 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
1247 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
1248 -march and -mtune options.
1250 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
1252 * config/m68k/t-rtems: Add m5329 multilib.
1254 2009-03-24 Dodji Seketeli <dodji@redhat.com>
1255 Jakub Jelinek <jakub@redhat.com>
1258 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
1261 2009-03-23 Jakub Jelinek <jakub@redhat.com>
1264 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
1265 instead of c_parser_expression_conv, if original_code isn't one of the
1266 4 allowed comparison codes, fail.
1268 2009-03-23 Richard Guenther <rguenther@suse.de>
1270 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
1271 * tree.h (struct tree_type): Likewise.
1272 * reload.h (struct insn_chain): Likewise.
1273 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
1274 * function.h (struct function): Likewise.
1275 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
1277 2009-03-23 Jakub Jelinek <jakub@redhat.com>
1279 PR tree-optimization/39516
1280 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
1282 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
1284 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
1285 should be set true if BITS_PER_WORD of target is bigger than 32
1287 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
1289 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
1290 Translate -B-options to -rpath-link. Correct existing
1291 rpath-link and conditionalize on !nostdlib.
1293 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1295 * doc/extend.texi (Function Attributes, Variable Attributes):
1297 * doc/invoke.texi (Debugging Options, Optimize Options)
1298 (i386 and x86-64 Options, MCore Options): Likewise.
1300 2009-03-20 Jakub Jelinek <jakub@redhat.com>
1303 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
1304 it for block local namespace aliases.
1305 (gen_decl_die): Pass context_die to gen_namespace_die.
1307 2009-03-19 Jakub Jelinek <jakub@redhat.com>
1310 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
1311 minimum or maximum value.
1313 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
1315 * reginfo.c (globalize_reg): Recompute derived reg sets.
1317 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
1320 * libgcc2.c (mprotect): Do not use signed arguments for
1321 VirtualProtect, use DWORD arguments. Also fix the 'may
1322 be used uninitialized' warning for the np variable.
1324 2009-03-19 Jakub Jelinek <jakub@redhat.com>
1327 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
1328 functions using regparm calling conventions when not optimizing.
1329 (ix86_function_sseregparm): Similarly for sseregparm calling
1332 2009-03-19 Li Feng <nemokingdom@gmail.com>
1335 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
1336 dependence if the first conflict is after niter iterations.
1338 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
1341 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
1342 functions with dynamic stack-pointer adjustments.
1344 2009-03-19 Ben Elliston <bje@au.ibm.com>
1346 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
1347 option; change to -msdata=data.
1349 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1351 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
1354 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
1357 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
1359 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
1361 * doc/invoke.texi (Code Gen Options): Expand discussion of
1364 2009-03-18 Jakub Jelinek <jakub@redhat.com>
1366 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
1367 * matrix-reorg.c (struct matrix_info): Likewise.
1368 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
1369 * rtl.h (struct mem_attrs): Likewise.
1370 * df.h (struct df): Likewise.
1371 * tree-data-ref.h (struct data_dependence_relation): Likewise.
1372 * ira-int.h (struct ira_allocno): Likewise.
1373 * df-scan.c (struct df_collection_rec): Likewise.
1374 * ira.c (struct equivalence): Likewise.
1375 * function.c (struct temp_slot): Likewise.
1376 * cfgloop.h (struct loop): Likewise.
1379 * function.c (use_register_for_decl): When not optimizing, disregard
1380 register keyword for variables with types containing methods.
1382 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
1385 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
1386 (is_simple_operand): Call contains_component_ref_p before calling data
1387 reference analysis that would fail on COMPONENT_REFs.
1389 * tree-vrp.c (search_for_addr_array): Fix formatting.
1391 2009-03-18 Richard Guenther <rguenther@suse.de>
1393 * tree-vect-transform.c (vect_loop_versioning): Fold the
1394 generated comparisons.
1395 * tree-vectorizer.c (set_prologue_iterations): Likewise.
1396 (slpeel_tree_peel_loop_to_edge): Likewise.
1398 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1401 * opts.c (print_specific_help): In addition to `undocumented',
1402 accept `separate' and `joined' flags if passed alone. Describe
1403 output by the first matched one of those.
1404 (common_handle_option): Skip over empty strings.
1405 * gcc.c (display_help): Fix help string for `--help='.
1406 * doc/invoke.texi (Option Summary, Overall Options): With
1407 `--help=', classes and qualifiers can both be repeated, but
1408 only the latter can be negated. One should not pass only
1409 negated qualifiers. Fix markup and examples.
1412 2008-10-14 Jakub Jelinek <jakub@redhat.com>
1414 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
1415 and -fhelp=separate.
1417 2009-03-17 Jing Yu <jingyu@google.com>
1420 * function.h (struct rtl_data): Move is_thunk from here...
1421 (struct function): ...to here.
1422 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
1423 * varasm.c (assemble_start_function): Change is_thunk from crtl to
1425 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
1427 (alpha_does_function_need_gp, alpha_start_function): Likewise.
1428 (alpha_output_function_end_prologue): Likewise.
1429 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
1430 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
1431 (rs6000_output_function_epilogue): Likewise.
1432 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
1434 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
1437 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
1438 from different units in a single alternative.
1439 (*truncdfsf_i387): Ditto.
1440 (*truncxfsf2_mixed): Ditto.
1441 (*truncxfdf2_mixed): Ditto.
1443 2009-03-17 Jakub Jelinek <jakub@redhat.com>
1445 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
1446 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
1449 * tree-ssa-live.c (remove_unused_locals): Don't remove local
1450 unused non-artificial variables when not optimizing.
1453 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
1454 DW_TAG_imported_module even if decl is IMPORTED_DECL with
1455 NAMESPACE_DECL in its DECL_INITIAL.
1458 * optabs.c (set_user_assembler_libfunc): New function.
1459 * expr.h (set_user_assembler_libfunc): New prototype.
1460 * c-common.c: Include libfuncs.h.
1461 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
1462 for memcmp, memset, memcpy, memmove and abort.
1463 * Makefile.in (c-common.o): Depend on libfuncs.h.
1466 * dwarf2out.c (gen_inlined_enumeration_type_die,
1467 gen_inlined_structure_type_die, gen_inlined_union_type_die,
1468 gen_tagged_type_instantiation_die): Removed.
1469 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
1472 2009-03-17 Janis Johnson <janis187@us.ibm.com>
1475 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
1477 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
1478 (check-parallel-%): Ditto.
1479 (check-consistency): Ditto.
1481 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
1483 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
1484 local variable rhs by NULL_TREE.
1486 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1489 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
1491 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1494 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
1496 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1499 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
1500 for ms->sysv ABI calls only in 64bit mode.
1502 * config/i386/i386.md (untyped_call): Support 32bit.
1504 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
1506 * doc/extend.texi: Replace x86_65 with x86_64.
1508 2009-03-16 Jakub Jelinek <jakub@redhat.com>
1510 PR tree-optimization/39455
1511 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
1512 mismatches for POINTER_TYPE_P (type).
1513 (number_of_iterations_le): Likewise.
1515 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1517 * config/picochip/picochip.c: Removed profiling support.
1518 * config/picochip/picochip.md: Removed profiling instruction.
1519 * config/picochip/picochip.h: Removed profiling builtin.
1521 2009-03-16 Joseph Myers <joseph@codesourcery.com>
1523 * doc/install.texi (--with-host-libstdcxx): Document.
1525 2009-03-14 Anatoly Sokolov <aesok@post.ru>
1528 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
1529 generate a warning if the function name does not begin with
1530 "__vector" and the function has either the 'signal' or 'interrupt'
1531 attribute, from here to ...
1532 (avr_declare_function_name): ...here. New function.
1533 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
1534 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
1536 2009-03-14 Jakub Jelinek <jakub@redhat.com>
1539 * cse.c (fold_rtx): Don't modify original const_arg1 when
1540 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
1541 separate variable instead.
1542 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
1543 from out of range shift counts.
1544 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
1546 2008-03-13 Catherine Moore <clm@codesourcery.com>
1548 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
1549 diagnostic.h with $(DIAGNOSTIC_H).
1551 2008-03-12 Jakub Jelinek <jakub@redhat.com>
1554 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
1556 * config/i386/sync.md (sync_compare_and_swap<mode>,
1557 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
1558 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
1560 (sync_double_compare_and_swapdi_pic,
1561 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
1562 cmpxchg8b_pic_memory_operand instead of just memory_operand.
1564 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1567 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
1569 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1572 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
1573 (avx_addsubv4df3): Likewise.
1574 (*avx_addsubv4sf3): Likewise.
1575 (sse3_addsubv4sf3): Likewise.
1577 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1580 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
1582 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
1585 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
1586 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
1587 registers for allocnos created from user-defined variables.
1589 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1592 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
1593 of non-integer mode as well.
1595 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
1597 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
1598 for functions for which the parameter types are unknown.
1600 2009-03-11 Jakub Jelinek <jakub@redhat.com>
1603 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
1604 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
1605 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
1606 * config/i386/i386.c (ix86_local_alignment): For
1607 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
1608 long long variables on the stack to avoid dynamic realignment.
1609 Allow the first argument to be a decl rather than type.
1610 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
1612 2009-03-11 Nick Clifton <nickc@redhat.com>
1615 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
1617 Add description to mno-lsim option.
1618 * config/mcore/mcore.h: Remove comment about deprecated m4align
1620 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
1621 * doc/invoke.texi: Add description of mno-lsim and
1622 mstack-increment options.
1624 * config/fr30/fr30.opt: Document the -mno-lsim option.
1625 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
1626 and -mno-lsim options.
1628 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1630 * fold-const.c (fold_comparison): Only call fold_inf_compare
1631 if the mode supports infinities.
1633 2009-03-11 Jason Merrill <jason@redhat.com>
1636 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
1637 end already did. Notice GIMPLE_CALL modifications of the result.
1638 Don't copy debug information from an ignored decl or a decl from
1641 2009-03-10 Richard Guenther <rguenther@suse.de>
1642 Nathan Froyd <froydnj@codesourcery.com>
1645 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
1646 (__divMODE3): Likewise.
1648 2009-03-09 Jakub Jelinek <jakub@redhat.com>
1650 PR tree-optimization/39394
1651 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
1652 DECL_SIZE_UNIT of variable length FIELD_DECLs.
1654 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1656 * recog.c (verfiy_changes): Disallow renaming of hard regs in
1657 inline asms for register asm ("") declarations.
1659 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
1661 * fold-const.c (fold_unary): Fix comment.
1663 2009-03-07 Jan Hubicka <jh@suse.cz>
1666 * tree-inline.c (setup_one_parameter): Do replacement of const
1667 argument by constant in SSA form.
1669 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1672 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
1673 determine alignment passed to assign_stack_local.
1674 (assign_parms_unsplit_complex): Likewise.
1675 * except.c (sjlj_build_landing_pads): Likewise.
1677 2009-03-06 Jakub Jelinek <jakub@redhat.com>
1680 * tree-flow.h (add_referenced_var): Return bool instead of void.
1681 * tree-dfa.c (add_referenced_var): Return result of
1682 referenced_var_check_and_insert call.
1683 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
1684 of referenced_var_check_and_insert.
1687 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
1688 (gen_variable_die): Emit DW_AT_location on abstract static variable's
1689 DIE, don't emit it if abstract origin already has it.
1690 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
1691 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
1693 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1695 * genpreds.c (needs_variable): Fix parentheses at variable name
1697 (write_tm_constrs_h): Indent generated code.
1699 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1701 * doc/extend.texi (Function Attributes): Add documentation
1704 2009-03-06 Jakub Jelinek <jakub@redhat.com>
1707 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
1708 take locus from its DECL_SOURCE_LOCATION instead of input_location.
1710 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
1712 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
1715 2009-03-05 Jakub Jelinek <jakub@redhat.com>
1718 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
1719 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
1721 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
1723 * config/i386/i386.md (R8_REG, R9_REG): New constants.
1724 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
1725 constants instead of magic numbers.
1726 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
1728 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
1729 (x86_64_ms_abi_int_parameter_registers): Ditto.
1730 (x86_64_int_return_registers): Ditto.
1731 (ix86_maybe_switch_abi): Ditto.
1732 (ix86_expand_call): Ditto for clobbered_registers array.
1733 (ix86_hard_regno_mode_ok): Ditto.
1734 (x86_extended_QIreg_mentioned_p): Ditto.
1736 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
1738 PR tree-optimization/39349
1739 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
1741 * combine.c (gen_lowpart_for_combine): Use omode when generating
1744 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
1746 PR rtl-optimization/39235
1747 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
1749 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
1751 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
1753 2009-03-04 Richard Guenther <rguenther@suse.de>
1755 PR tree-optimization/39362
1756 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
1757 that occur in abnormal PHIs should be varying.
1759 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
1761 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
1763 (simple_iv): Take loop as an argument instead of statement.
1764 * tree-scalar-evolution.h (simple_iv): Declaration changed.
1765 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
1767 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
1769 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
1770 * matrix-reorg.c (analyze_transpose): Ditto.
1771 * tree-data-ref.c (dr_analyze_innermost): Ditto.
1772 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
1773 * tree-predcom.c (ref_at_iteration): Ditto.
1774 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
1776 2009-03-04 Richard Guenther <rguenther@suse.de>
1778 PR tree-optimization/39358
1779 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
1780 escaped_id and callused_id.
1781 (solve_graph): Likewise.
1783 2009-03-04 Richard Guenther <rguenther@suse.de>
1785 PR tree-optimization/39339
1786 * tree-sra.c (try_instantiate_multiple_fields): Make it
1787 no longer ICE on the above.
1789 2009-03-03 Joseph Myers <joseph@codesourcery.com>
1791 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
1792 that fits within Pmode.
1794 2009-03-03 Steve Ellcey <sje@cup.hp.com>
1797 * tm.texi (LIBCALL_VALUE): Update description.
1799 2009-03-03 Steve Ellcey <sje@cup.hp.com>
1802 * doc/extend.texi (section): Update description.
1804 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
1807 * tree-inline.c (remapped_type): New.
1808 (can_be_nonlocal): Call remapped_type instead of remap_type.
1810 2009-03-03 Jakub Jelinek <jakub@redhat.com>
1813 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
1814 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
1816 2009-03-03 Richard Guenther <rguenther@suse.de>
1819 * tree.c (tree_nonartificial_location): New function.
1820 * tree.h (tree_nonartificial_location): Declare.
1821 * builtins.c (expand_builtin_memory_chk): Provide location
1822 of the call location for artificial function pieces.
1823 (maybe_emit_chk_warning): Likewise.
1824 (maybe_emit_sprintf_chk_warning): Likewise.
1825 (maybe_emit_free_warning): Likewise.
1826 * expr.c (expand_expr_real_1): Likewise.
1828 2009-03-03 Jakub Jelinek <jakub@redhat.com>
1830 PR tree-optimization/39343
1831 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
1832 COMPONENT_REF t has ARRAY_TYPE.
1834 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
1837 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
1838 when the type precision of the induction variable should be
1839 larger than the type precision of nit.
1840 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
1841 * graphite.c (graphite_loop_normal_form): Same.
1842 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
1844 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
1846 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
1847 (*call_1_rex64_ms_sysv): Use named constants instead of magic
1848 numbers to describe clobbered registers.
1849 (*call_value_0_rex64_ms_sysv): Ditto.
1850 * config/i386/mmx.md (mmx_emms): Ditto.
1853 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
1855 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
1858 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1860 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
1861 (spu_section_type_flags): New function.
1863 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
1865 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
1866 reg_class_contents of FLOAT_REGS into a temporary.
1868 2009-03-02 Richard Guenther <rguenther@suse.de>
1869 Ira Rosen <irar@il.ibm.com>
1871 PR tree-optimization/39318
1872 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
1873 information to the vectorized statement.
1875 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
1877 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
1878 variable. Use defined names instead of magic constants for REX SSE
1881 2009-03-01 Richard Guenther <rguenther@suse.de>
1883 PR tree-optimization/39331
1884 * omp-low.c (lower_send_shared_vars): Do not receive new
1885 values for the reference of DECL_BY_REFERENCE parms or results.
1887 2009-03-01 Jan Hubicka <jh@suse.cz>
1890 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
1891 BLOCK_NONLOCALIZED_VAR): New macros.
1892 (tree_block): Add nonlocalized_vars.
1893 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
1894 gen_decl_die): Add origin argument. Allow generation of die with
1895 origin at hand only.
1896 (gen_member_die, gen_type_die_with_usage, force_decl_die,
1897 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
1899 (gen_block_die): Fix checking for unused blocks.
1900 (process_scope_var): Break out from .... ; work with origins only.
1901 (decls_for_scope) ... here; process nonlocalized list.
1902 (dwarf2out_ignore_block): Look for nonlocalized vars.
1903 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
1905 (dump_scope_block): Dump them.
1906 * tree-inline.c (remap_decls): Handle nonlocalized vars.
1907 (remap_block): Likewise.
1908 (can_be_nonlocal): New predicate.
1909 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
1911 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1913 * configure: Regenerate.
1915 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1917 * optc-gen.awk: No need to duplicate option flags twice.
1918 Reuse help texts for duplicate options which do not have any.
1920 * gcc.c (display_help): Document --version.
1922 * gcc.c (main): If print_help_list and verbose_flag, ensure
1923 driver output comes before subprocess output.
1925 * optc-gen.awk: Assign all remaining fields to help string,
1926 space-separated, for multi-line help in *.opt.
1928 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
1929 -Wno-pedantic-ms-format is for MinGW targets only.
1931 * doc/options.texi (Option file format): Fix bad indentation,
1932 restoring dropped sentence.
1934 2009-02-28 Jan Hubicka <jh@suse.cz>
1936 * tree-inline.c (tree_function_versioning): Output debug info.
1938 2009-02-28 Jan Hubicka <jh@suse.cz>
1941 * tree-inline.c (setup_one_parameter): Do not copy propagate
1942 arguments when not optimizing.
1944 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
1947 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
1948 (avx_addsubv4df3): Likewise.
1949 (*avx_addsubv4sf3): Likewise.
1950 (sse3_addsubv4sf3): Likewise.
1951 (*avx_addsubv2df3): Likewise.
1952 (sse3_addsubv2df3): Likewise.
1953 (avx_unpckhps256): Correct item selectors.
1954 (avx_unpcklps256): Likewise.
1955 (avx_unpckhpd256): Likewise.
1956 (avx_unpcklpd256): Likewise.
1958 2009-02-28 Jan Hubicka <jh@suse.cz>
1960 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
1962 (copy_arguments_for_versioning): If var is declared don't declare it.
1963 (tree_function_versioning): First setup substitutions and then copy
1966 2009-02-27 Jan Hubicka <jh@suse.cz>
1969 * cgraph.h (varpool_output_debug_info): Remove.
1970 * cgraphunit.c (varpool_output_debug_info): Remove.
1971 * dwarf2out.c (deferred_locations_struct): New struct
1972 (deferred_locations): New type.
1973 (deferred_locations_list): New static var.
1974 (deffer_location): New function.
1975 (gen_variable_die): Use it.
1976 (decls_for_scope): Output info on local static vars.
1977 (dwarf2out_finish): Process deferred locations.
1978 * varpool.c (varpool_output_debug_info): Remove.
1980 2009-02-27 Jan Hubicka <jh@suse.cz>
1983 * tree.h (TREE_PROTECTED): Fix comment.
1984 (BLOCK_HANDLER_BLOCK): Remove.
1985 (struct tree_block): Remove handler_block add body_block.
1986 (inlined_function_outer_scope_p): New.
1987 (is_body_block): Remove.
1988 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
1989 * dwarf2out.c (is_inlined_entry_point): Remove.
1990 (add_high_low_attributes): Use inlined_function_outer_scope_p.
1991 (gen_block_die): Use is_inlined_entry_point check. Remove body block
1993 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
1994 * gimplify.c (gimplify_expr): Gimplify body blocks.
1995 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
1996 block with multiple subblocks.
1997 (dump_scope_block): Prettier output; dump more flags and info.
1998 (dump_scope_blocks): New.
1999 (remove_unused_locals): Use dump_scope_blocks.
2000 * tree-flow.h (dump_scope_blocks): Declare.
2001 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
2002 * stmt.c (is_body_block): Remove.
2003 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
2004 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
2006 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
2009 * graphite.c (graphite_loop_normal_form): Do not call
2010 number_of_iterations_exit from a gcc_assert.
2012 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2014 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
2015 jumps if COND is NULL.
2016 (find_cond_jump): New function.
2017 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
2018 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
2020 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
2022 * config/alpha/alpha.h (alpha_expand_mov): Return false if
2023 force_const_mem returns NULL_RTX.
2025 2009-02-26 Jan Hubicka <jh@suse.cz>
2028 * cgraph.h (varpool_output_debug_info): Remove.
2029 * cgraphunit.c (varpool_output_debug_info): Remove.
2030 * dwarf2out.c (deferred_locations_struct): New struct
2031 (deferred_locations): New type.
2032 (deferred_locations_list): New static var.
2033 (deffer_location): New function.
2034 (gen_variable_die): Use it.
2035 (decls_for_scope): Output info on local static vars.
2036 (dwarf2out_finish): Process deferred locations.
2037 * varpool.c (varpool_output_debug_info): Remove.
2039 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
2041 PR rtl-optimization/39241
2042 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
2043 to subreg_offset_representable_p.
2045 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
2047 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
2048 execute function prototype. Get f and nregs from max_reg_num
2049 and get_insns. Remove the first backward pass as it's dead,
2050 guard the forward pass by flag_expensive_optimizations.
2051 (rest_of_handle_regmove): Delete.
2052 (pass_regmove): Replace it with regmove_optimize.
2054 2009-02-25 Martin Jambor <mjambor@suse.cz>
2056 PR tree-optimization/39259
2057 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
2058 calls_alloca function flags.
2059 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
2062 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
2064 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
2065 flags_set_1_rtx, flags_set_1_set): Delete.
2066 (regmove_optimize): Do not call mark_flags_life_zones.
2068 2009-02-24 Julian Brown <julian@codesourcery.com>
2071 * config/arm/arm.c (require_pic_register): Only set
2072 cfun->machine->pic_reg once per function.
2074 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
2076 * doc/invoke.texi (Link Options): Document an easier way to pass
2077 options that take arguments to the GNU linker using -Xlinker and -Wl.
2079 2009-02-24 Steve Ellcey <sje@cup.hp.com>
2082 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
2084 2009-02-24 Richard Guenther <rguenther@suse.de>
2087 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
2089 2009-02-24 Richard Guenther <rguenther@suse.de>
2090 Zdenek Dvorak <ook@ucw.cz>
2092 PR tree-optimization/39233
2093 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
2094 from converting them to a generic type.
2096 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
2098 PR tree-optimization/39260
2099 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
2100 contains a condition with a real type.
2101 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
2103 2009-02-23 Jason Merrill <jason@redhat.com>
2106 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
2107 narrowing_initializer_constant_valid_p.
2108 (narrowing_initializer_constant_valid_p): Don't return
2109 null_pointer_node for adding a pointer to itself.
2111 2009-02-23 Jan Hubicka <jh@suse.cz>
2114 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
2117 2009-02-23 Jan Hubicka <jh@suse.cz>
2119 PR tree-optimization/37709
2120 * tree.c (block_ultimate_origin): Move here from dwarf2out.
2121 * tree.h (block_ultimate_origin): Declare.
2122 * dwarf2out.c (block_ultimate_origin): Move to tree.c
2123 * tree-ssa-live.c (remove_unused_scope_block_p):
2124 Eliminate blocks containig no instructions nor live variables nor
2126 (dump_scope_block): New function.
2127 (remove_unused_locals): Enable removal of dead blocks by default;
2128 enable dumping at TDF_DETAILS.
2130 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2132 * config/i386/i386.c (classify_argument): Don't allow COImode
2134 (function_arg_advance_32): Don't allow OImode.
2135 (function_arg_32): Likewise.
2136 (function_value_32): Likewise.
2137 (return_in_memory_32): Likewise.
2138 (function_arg_64): Remove OImode comment.
2140 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2143 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
2144 ix86_expand_vector_set for V4DImode in 64bit mode only.
2145 (ix86_expand_vector_init_one_var): Likewise.
2147 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
2149 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
2151 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
2154 * loop-iv.c: Revert last change.
2155 * emit-rtl.c: Likewise.
2157 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2160 * config/i386/i386.c (type_natural_mode): Remove an extra
2161 space in the warning message.
2162 (function_value_32): Handle 32-byte vector modes.
2163 (return_in_memory_32): Likewise.
2165 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
2167 * loop-iv.c (truncate_value): New function.
2168 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
2170 (lowpart_subreg): Move to...
2171 * emit-rtl.c: ...here.
2173 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
2175 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
2176 accidental and undocumented change at revision 140860.
2178 2009-02-21 Joseph Myers <joseph@codesourcery.com>
2180 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
2181 take gimple_seq * arguments.
2182 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
2183 types_compatible_p langhook.
2185 2009-02-20 Mark Mitchell <mark@codesourcery.com>
2186 Joseph Myers <joseph@codesourcery.com>
2188 * config/arm/arm.c (arm_builtin_va_list): New function.
2189 (arm_expand_builtin_va_start): Likewise.
2190 (arm_gimplify_va_arg_expr): Likewise.
2191 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
2192 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
2193 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
2194 (va_list_type): New variable.
2195 (arm_mangle_type): Mangle va_list_type appropriately.
2197 2009-02-20 Jakub Jelinek <jakub@redhat.com>
2200 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
2201 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
2202 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
2203 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
2204 parameter to 1000 for -O1 by default.
2205 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
2207 * loop-invariant.c: Include params.h.
2208 (move_loop_invariants): Don't call move_single_loop_invariants on
2211 2009-02-20 Jaka Mocnik <jaka@xlab.si>
2213 * calls.c (emit_library_call_value_1): Use slot_offset instead of
2214 offset when calculating bounds for indexing stack_usage_map. Fixes
2215 a buffer overflow with certain target setups.
2217 2009-02-20 Jakub Jelinek <jakub@redhat.com>
2220 * calls.c (expand_call): Clear try_tail_call if caller and callee
2221 disagree in promotion of function return value.
2223 2009-02-19 Jakub Jelinek <jakub@redhat.com>
2226 * c-common.c (c_determine_visibility): If visibility changed and
2227 DECL_RTL has been already set, call make_decl_rtl to update symbol
2230 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
2233 * varasm.c (assemble_variable): Don't check DECL_NAME when
2234 globalizing a variable.
2236 2009-02-19 Joseph Myers <joseph@codesourcery.com>
2239 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
2240 expression before any __builtin_trap call.
2241 * c-typeck.c (build_function_call): Convert and check function
2242 arguments before generating a call to a trap. Evaluate the
2243 function arguments before the trap.
2245 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
2248 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
2249 (UNSPEC_FXAM_MEM): New unspec.
2250 (fxam<mode>2_i387_with_temp): New insn and split pattern.
2251 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
2252 memory using fxam<mode>2_i387_with_temp to remove excess precision.
2254 2009-02-19 Richard Guenther <rguenther@suse.de>
2256 PR tree-optimization/39207
2257 PR tree-optimization/39074
2258 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
2259 storedanything_tree): New.
2260 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
2261 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
2262 (build_succ_graph): Add edges from STOREDANYTHING to all
2264 (init_base_vars): Initialize STOREDANYTHING.
2265 (compute_points_to_sets): Free substitution info after
2266 building the succ graph.
2267 (ipa_pta_execute): Likewise.
2269 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
2271 (do_ds_constraint): Do not add to special var or non-pointer
2273 (type_could_have_pointers): Split out from ...
2274 (could_have_pointers): ... here. For arrays use the element type.
2275 (create_variable_info_for): Initialize may_have_pointers.
2276 (new_var_info): Likewise.
2277 (handle_lhs_call): Make the HEAP variable unknown-sized.
2278 (intra_create_variable_infos): Use a type with pointers for
2279 PARM_NOALIAS, make it unknown-sized.
2281 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
2284 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
2286 2009-02-18 Jason Merrill <jason@redhat.com>
2289 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
2290 value if DECL_EXTERNAL.
2291 * tree-sra.c (sra_walk_gimple_assign): Likewise.
2292 * target.h (gcc_target::binds_local_p): Clarify "module".
2293 * tree.h (TREE_PUBLIC): Clarify "module".
2295 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
2298 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
2299 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
2301 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
2304 * c.opt (Wabi): Support C and ObjC.
2307 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
2309 * config/i386/i386.c (classify_argument): Warn once about the ABI
2310 change when passing union with long double.
2312 * doc/invoke.texi: Update -Wabi for warning psABI changes.
2314 2009-02-18 Joseph Myers <joseph@codesourcery.com>
2317 * c-parser.c (c_parser_compound_statement): Always enter and leave
2320 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2323 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
2325 2009-02-18 Jakub Jelinek <jakub@redhat.com>
2327 PR tree-optimization/36922
2328 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
2329 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
2332 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2334 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
2337 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2339 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
2341 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2343 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
2346 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
2347 Richard Sandiford <rdsandiford@googlemail.com>
2349 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
2350 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
2351 (loongson_biadd): ...this.
2353 2009-02-17 Richard Guenther <rguenther@suse.de>
2355 PR tree-optimization/39202
2356 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
2357 a var make sure to follow existing collapses.
2359 2009-02-17 Richard Guenther <rguenther@suse.de>
2362 * langhooks.c (lhd_print_error_function): Check for NULL block.
2364 2009-02-17 Richard Guenther <rguenther@suse.de>
2366 PR tree-optimization/39204
2367 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
2370 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
2372 * config/soft-fp/double.h: Update from glibc CVS.
2374 2009-02-17 Richard Guenther <rguenther@suse.de>
2376 PR tree-optimization/39207
2377 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
2378 strict-aliasing warnings for pointers pointing to NULL.
2380 2009-02-16 Joseph Myers <joseph@codesourcery.com>
2383 * c-parser.c (c_parser_braced_init): Call pop_init_level when
2384 skipping until next close brace.
2386 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
2389 * config/i386/i386.c (ix86_expand_push): Set memory alignment
2390 to function argument boundary.
2392 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2394 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
2395 in the lea_add. Reload eventually constraints it properly.
2396 * config/picochip/constraints.md : Remove the target constraint
2397 "b", since it is not needed anymore.
2399 2009-02-16 Jakub Jelinek <jakub@redhat.com>
2401 * gthr-dce.h: Uglify function parameter and local variable names.
2402 * gthr-gnat.h: Likewise.
2403 * gthr-mipssde.h: Likewise.
2404 * gthr-nks.h: Likewise.
2405 * gthr-posix95.h: Likewise.
2406 * gthr-posix.h: Likewise.
2407 * gthr-rtems.h: Likewise.
2408 * gthr-single.h: Likewise.
2409 * gthr-solaris.h: Likewise.
2410 * gthr-tpf.h: Likewise.
2411 * gthr-vxworks.h: Likewise.
2412 * gthr-win32.h: Likewise.
2414 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
2417 * config/i386/i386.md: Restrict the new peephole2 to move
2418 between MMX/SSE registers.
2420 2009-02-15 Richard Guenther <rguenther@suse.de>
2423 2009-02-13 Richard Guenther <rguenther@suse.de>
2425 * configure.ac: Enable LFS.
2426 * configure: Re-generate.
2427 * config.in: Likewise.
2429 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2431 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
2432 spu_srqwbyte, spu_srqwbytebc): Define.
2433 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
2434 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
2435 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
2436 "shrqby_<mode>"): New insn-and-split patterns.
2437 * config/spu/spu.c (expand_builtin_args): Determine and return
2438 number of operands using spu_builtin_description data.
2439 (spu_expand_builtin_1): Use it.
2441 2009-02-13 Steve Ellcey <sje@cup.hp.com>
2444 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
2447 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2450 * config/i386/i386.c (override_options): Correct warning
2451 messages for -malign-loops, -malign-jumps and -malign-functions.
2453 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2456 * config/i386/i386.md: Restrict the new peephole2 to move
2457 between the general purpose registers.
2459 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2462 * config/i386/i386.c (type_natural_mode): Add a new argument.
2463 Return the original mode and warn ABI change if vector size is 32byte.
2464 (function_arg_advance): Updated.
2465 (function_arg): Likewise.
2466 (ix86_function_value): Likewise.
2467 (ix86_return_in_memory): Likewise.
2468 (ix86_sol10_return_in_memory): Likewise.
2469 (ix86_gimplify_va_arg): Likewise.
2470 (function_arg_32): Don't warn ABX ABI change here.
2471 (function_arg_64): Likewise.
2473 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
2475 * loop-iv.c (implies_p): In the final case, test that operands 0
2476 of the two comparisons match.
2478 * config/bfin/bfin.c (find_prev_insn_start): New function.
2479 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
2480 (find_next_insn_start): Move.
2482 2009-02-13 Richard Guenther <rguenther@suse.de>
2484 * configure.ac: Enable LFS.
2485 * configure: Re-generate.
2486 * config.in: Likewise.
2488 2009-02-13 Joseph Myers <joseph@codesourcery.com>
2491 * c-parser.c (c_parser_parms_list_declarator): Discard pending
2492 sizes on syntax error after some arguments have been parsed.
2494 2009-02-12 Jakub Jelinek <jakub@redhat.com>
2496 * doc/invoke.texi (-fira): Remove.
2498 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2500 * caller-save.c: Replace regclass.c with reginfo.c in comments.
2501 * recog.c: Likewise.
2504 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
2506 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
2507 (umul_ppmm): Likewise.
2508 (count_leading_zeros): Likewise.
2509 (count_trailing_zeros): Likewise.
2510 (UMUL_TIME): Likewise.
2512 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2514 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
2515 soft-fp/t-softfp to tmake_file.
2517 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
2518 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
2519 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
2520 IA64_BUILTIN_INFQ]: New.
2521 (ia64_init_builtins): Initialize __builtin_infq,
2522 __builtin_fabsq and __builtin_copysignq if not HPUX.
2523 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
2524 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
2526 * config/ia64/lib1funcs.asm (__divtf3): Define only if
2528 (__fixtfti): Likewise.
2529 (__fixunstfti): Likewise.
2530 (__floattitf): Likewise.
2532 * config/ia64/libgcc-glibc.ver: New.
2533 * config/ia64/t-fprules-softfp: Likewise.
2534 * config/ia64/sfp-machine.h: Likewise.
2536 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
2537 (LIBGCC2_TF_CEXT): Likewise.
2538 (TF_SIZE): Likewise.
2539 (TARGET_INIT_LIBFUNCS): Likewise.
2541 * config/ia64/t-glibc (SHLINB_MAPFILES):
2542 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
2544 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2546 * config/i386/i386.c (construct_container): Rewrite processing
2547 BLKmode with X86_64_SSE_CLASS.
2549 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
2552 * config/i386/i386.md: Replace simplify_replace_rtx with
2553 replace_rtx in the new peephole2.
2555 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
2557 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
2558 loop unrolling do not happen at -O2.
2560 2009-02-12 Michael Matz <matz@suse.de>
2562 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
2564 2009-02-12 Jakub Jelinek <jakub@redhat.com>
2566 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
2569 2009-02-12 Ben Elliston <bje@au.ibm.com>
2571 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
2572 patterns when updating the back chain. Missed in the 2009-02-10
2575 2009-02-11 Janis Johnson <janis187@us.ibm.com>
2577 * doc/extend.texi (Decimal Floating Types): Update identifier of
2578 draft TR and list of missing support.
2580 2009-02-11 Jakub Jelinek <jakub@redhat.com>
2583 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
2584 bit to variable length decl's flags, add it also to its
2585 pointer replacement variable.
2587 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
2588 Jakub Jelinek <jakub@redhat.com>
2591 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
2592 (memory_blockage): New expander.
2593 (*memory_blockage): New insn pattern.
2594 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
2595 instead of general blockage at the end of function prologue when
2596 frame pointer is used to access red zone area. Do not emit blockage
2597 when profiling, it is emitted in generic code.
2598 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
2599 function epilogue when frame pointer is used to access red zone area.
2601 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
2604 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
2605 by arithmetic with memory operands.
2606 * config/i386/predicates.md (commutative_operator): New.
2608 2009-02-10 Janis Johnson <janis187@us.ibm.com>
2610 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
2613 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
2615 * alias.h (record_alias_subset): Declare.
2616 * alias.c (record_alias_subset): Make global.
2618 2009-02-10 Nick Clifton <nickc@redhat.com>
2620 * tree-parloops.c: Change license to GPLv3.
2621 * ipa-struct-reorg.c: Change license to GPLv3.
2622 * ipa-struct-reorg.h: Change license to GPLv3.
2624 2009-02-10 Steve Ellcey <sje@cup.hp.com>
2627 * c-decl.c (start_struct): Return NULL on error.
2629 2009-02-10 Jakub Jelinek <jakub@redhat.com>
2632 * cfgloopmanip.c (remove_path): Call remove_bbs after
2633 cancel_loop_tree, not before it.
2636 * function.h (struct function): Add has_local_explicit_reg_vars bit.
2637 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
2638 VAR_DECLs were seen.
2639 * tree-ssa-live.c (remove_unused_locals): Recompute
2640 cfun->has_local_explicit_reg_vars.
2641 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
2642 copies or clearings if cfun->has_local_explicit_reg_vars.
2644 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
2647 * config/i386/i386.c (expand_prologue): Emit blockage at the end
2648 of function prologue when frame pointer is used to access
2651 2009-02-10 Richard Guenther <rguenther@suse.de>
2654 * gimplify.c (gimple_regimplify_operands): Always look if
2655 we need to create a temporary.
2657 2009-02-10 Richard Guenther <rguenther@suse.de>
2659 PR tree-optimization/39132
2660 * tree-loop-distribution.c (todo): New global var.
2661 (generate_memset_zero): Trigger TODO_rebuild_alias.
2662 (tree_loop_distribution): Return todo.
2664 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
2667 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
2668 (x86_64_reg_class_name): Removed.
2669 (classify_argument): Return 0 if bytes > 32. Return 0 if the
2670 first one isn't X86_64_SSE_CLASS or any other ones aren't
2671 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
2672 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
2673 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
2674 and 3 X86_64_SSEUP_CLASS.
2675 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
2676 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
2678 2009-02-10 Ben Elliston <bje@au.ibm.com>
2680 * config/rs6000/rs6000.md (allocate_stack): Always use an update
2681 form instruction to update the stack back chain word, even if the
2682 user has disabled the generation of update instructions.
2683 (movdi_<mode>_update_stack): New.
2684 (movsi_update_stack): Likewise.
2685 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
2686 always use an update form instruction to update the stack back
2689 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
2692 * graphite.c (if_region_set_false_region): After moving a region in
2693 the false branch of a condition, remove the empty dummy basic block.
2694 (gloog): Remove wrong fix for PR38953.
2696 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2698 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
2699 generation due to implicit sign extension.
2701 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
2704 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
2705 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
2707 2009-02-09 Richard Guenther <rguenther@suse.de>
2710 * convert.c (convert_to_real): Disable (float)fn((double)x)
2711 to fnf(x) conversion if errno differences may occur and
2712 -fmath-errno is set.
2714 2009-02-07 Anatoly Sokolov <aesok@post.ru>
2716 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
2717 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2718 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2720 2009-02-06 Joseph Myers <joseph@codesourcery.com>
2723 * c-common.c (handle_alias_attribute): Disallow attribute for
2724 anything not a FUNCTION_DECL or VAR_DECL.
2726 2009-02-06 Janis Johnson <janis187@us.ibm.com>
2729 * real.c (do_compare): Special-case compare of zero against
2730 decimal float value.
2732 2009-02-06 Joseph Myers <joseph@codesourcery.com>
2735 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
2736 as indicating flexible array members unless the field itself is
2737 being declarared as the incomplete array.
2739 2009-02-06 Jan Hubicka <jh@suse.cz>
2741 PR tree-optimization/38844
2742 * ipa-inline.c (try_inline): Stop inlining recursion when edge
2745 2009-02-06 Richard Guenther <rguenther@suse.de>
2748 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
2749 fork because we may expand it as __gcov_fork.
2751 2009-02-06 Nick Clifton <nickc@redhat.com>
2753 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
2755 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
2757 PR tree-optimization/35659
2758 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
2759 vn_phi_eq): Shortcut if hashcode does not match.
2760 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
2762 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
2763 and avoid iterative_hash_expr.
2764 (FOR_EACH_VALUE_ID_IN_SET): New.
2765 (value_id_compare): Remove.
2766 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
2767 sort expressions by value id.
2769 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
2772 * config/sh/predicates.md (general_movsrc_operand): Don't check
2773 the subreg of system registers here.
2775 2009-02-05 Jakub Jelinek <jakub@redhat.com>
2778 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
2781 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
2783 PR rtl-optimization/39110
2784 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
2785 addresses, not aligned ones.
2787 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
2788 Richard Guenther <rguenther@suse.de>
2790 PR tree-optimization/39100
2791 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
2792 comment says and add edges.
2794 2009-02-05 Joseph Myers <joseph@codesourcery.com>
2797 * c-common.c (handle_tls_model_attribute): Ignore attribute for
2798 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
2800 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
2802 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
2803 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
2804 register_bb_in_sese, new_sese, free_sese): Moved.
2805 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
2806 outermost_loop_in_scop, build_scop_iteration_domain,
2807 expand_scalar_variables_ssa_name, get_vdef_before_scop,
2808 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
2809 Use loop_in_sese_p instead of loop_in_scop_p.
2810 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
2811 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
2812 (scopdet_basic_block_info): Fix bug in scop detection.
2813 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
2814 eq_loop_to_cloog_loop): Remove.
2815 (nb_loops_around_loop_in_scop, nb_loop
2816 ref_nb_loops): Moved here...
2817 * graphite.h (ref_nb_loops): ... from here.
2818 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
2819 (loop_domain_dim, loop_iteration_vector_dim): Remove.
2820 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
2821 * testsuite/gcc.dg/graphite/scop-19.c: New
2823 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
2824 Hans-Peter Nilsson <hp@axis.com>
2826 PR rtl-optimization/37889
2827 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
2828 Move offset handling from PLUS to before the switch. Use new
2829 arguments when considering SYMBOL_REFs too.
2830 (rtx_addr_can_trap_p): Pass dummy offset and size.
2831 (enum may_trap_p_flags): Remove.
2832 (may_trap_p_1): Pass size from MEM_SIZE.
2834 PR rtl-optimization/38921
2835 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
2836 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
2837 * rtlanal.c (may_trap_after_code_motion_p): Delete.
2838 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
2840 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
2842 AVX Programming Reference (January, 2009)
2843 * config/i386/sse.md (*vpclmulqdq): New.
2845 2009-02-04 Jakub Jelinek <jakub@redhat.com>
2847 PR tree-optimization/38977
2848 PR gcov-profile/38292
2849 * calls.c (special_function_p): Disregard __builtin_ prefix.
2851 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
2853 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
2854 non-indexable addresses even before reload.
2856 2009-02-03 Joseph Myers <joseph@codesourcery.com>
2859 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
2860 as having variable size. Do not give an error for unnamed
2861 parameters with [*] declarators. Give a warning for type names
2862 with [*] declarators and mark them as variable size.
2863 * c-parser.c (c_parser_sizeof_expression): Do not give an error
2864 for sizeof applied to [*] type names.
2866 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
2869 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
2871 2009-02-03 Jakub Jelinek <jakub@redhat.com>
2873 * gcc.c (process_command): Update copyright notice dates.
2874 * gcov.c (print_version): Likewise.
2875 * gcov-dump.c (print_version): Likewise.
2876 * mips-tfile.c (main): Likewise.
2877 * mips-tdump.c (main): Likewise.
2879 2009-02-03 Joseph Myers <joseph@codesourcery.com>
2882 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
2883 for composite type involving a zero-length array type.
2885 2009-02-03 Jakub Jelinek <jakub@redhat.com>
2888 * function.c (match_asm_constraints_1): Skip over
2889 initial optional % in the constraint.
2892 * c-parser.c (c_parser_postfix_expression): If fixed point is not
2893 supported, don't accept FIXED_CSTs.
2894 * c-decl.c (finish_declspecs): Error if fixed point is not supported
2895 and _Sat is used without _Fract/_Accum. Set specs->type to
2896 integer_type_node for cts_fract/cts_accum if fixed point is not
2899 2009-02-02 Catherine Moore <clm@codesourcery.com>
2901 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
2903 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
2905 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
2906 (ABI_HAS_64BIT_SYMBOLS): Use it.
2907 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
2909 2009-02-02 Paul Brook <paul@codesourcery.com>
2911 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
2913 2009-02-02 Jakub Jelinek <jakub@redhat.com>
2916 * recog.h (asm_operand_ok): Add constraints argument.
2917 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
2918 recurse on matching constraint.
2919 (check_asm_operands): Pass constraints as 3rd argument to
2920 asm_operand_ok. Don't look up matching constraint here.
2921 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
2924 2009-02-02 Ben Elliston <bje@au.ibm.com>
2926 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
2927 TARGET_NARROW_VOLATILE_BITFIELD macro names.
2929 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2931 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
2932 information. Remove some obsolete information. Reorganize.
2934 * config/pa/fptr.c: Revert license to GPL 2.
2935 * config/pa/milli64.S: Likewise.
2937 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
2940 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
2941 LIBRARY name in, instead of hard-coding it.
2942 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
2943 extra target make frag to tmake_files according to EH model.
2944 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
2945 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
2946 frags that define makefile variable EH_MODEL appropriately.
2947 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
2948 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
2949 to "-sjlj" according to type of EH configured.
2950 (LIBGCC_SONAME): Concatenate it to shared library base name.
2951 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
2952 to "_sjlj" according to type of EH configured.
2953 (LIBGCC_SONAME): Concatenate it to shared library base name.
2954 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
2955 (SHLIB_LINK): Add missing semicolon to if-else construct.
2956 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
2957 string value of "pe_dll" command-line option.
2958 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
2959 (SHLIB_SONAME): Use it when overriding t-cygming default.
2960 (SHLIB_IMPLIB): Override t-cygming default.
2961 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
2962 string value of "pe_dll" command-line option.
2964 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
2967 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
2968 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
2970 2009-01-31 Richard Guenther <rguenther@suse.de>
2972 PR tree-optimization/38937
2973 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
2974 computing the transitive closure.
2976 2009-01-30 Richard Guenther <rguenther@suse.de>
2978 PR tree-optimization/39041
2979 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
2980 Propagate variable indices only if the types match for this stmt.
2982 2009-01-30 Jakub Jelinek <jakub@redhat.com>
2985 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
2986 inline but never defined.
2988 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
2990 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
2991 (*insv_h_di_reg_extimm): New insn.
2992 (*insv_l<mode>_reg_extimm): New insn.
2994 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
2996 * config/picochip/picochip.c (flag_conserve_stack): set
2997 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
2998 fconserve-stack. Reduce call-overhead used by inliner.
3000 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
3003 * common.opt (flag_conserve_stack): Initialised to zero.
3005 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
3008 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
3009 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
3012 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
3014 * ira-color.c (allocno_reload_assign): Update comments.
3015 * regmove.c (regmove_optimize): Likewise.
3019 2009-01-29 Robert Millan <rmh@aybabtu.com>
3021 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
3022 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
3023 `MD_UNWIND_SUPPORT'.
3024 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
3026 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
3028 PR tree-optimization/39007
3029 * tree-loop-distribution.c (generate_builtin): Use
3030 recompute_dominator to compute the immediate dominator of the
3031 basic block just after the loop.
3033 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3035 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
3036 (ASM_OUTPUT_DWARF_PCREL): Define.
3038 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
3040 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
3041 * doc/passes.texi: Remove entries about regclass, local-alloc, and
3042 global. Modify entries about regmove and IRA.
3044 * ra-conflict.c: Remove the file.
3046 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
3048 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
3049 (pass_regclass_init): Rename to pass_reginfo_init.
3051 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
3053 * toplev.h (flag_ira): Remove.
3055 * caller-save.c (setup_save_areas): Remove flag_ira.
3057 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
3059 * global.c: Remove the file.
3061 * opts.c (decode_options): Remove flag_ira.
3063 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
3065 * regmove.c: Modify file description.
3066 (find_use_as_address, try_auto_increment): Define them only if
3067 AUTO_INC_DEC is defined.
3068 (replacement_quality, replace_in_call_usage, fixup_match_1,
3069 stable_and_no_regs_but_for_p): Remove.
3070 (reg_set_in_bb): Make it static.
3071 (regmove_optimize): Remove flag_ira and code which worked for
3074 * local-alloc.c: Remove the file.
3076 * common.opt (fira): Remove.
3078 * ira.c: Include except.h.
3079 (eliminable_regset): Move from global.c.
3080 (mark_elimination): Ditto. Remove flag_ira.
3081 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
3082 equiv_mem_modified, validate_equiv_mem_from_store,
3083 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
3084 contains_replace_regs, memref_referenced_p, memref_used_between_p,
3085 no_equiv, recorded_label_ref): Move from local-alloc.c.
3086 (update_equiv_regs): Ditto. Make it static.
3087 (print_insn_chain, print_insn_chains): Move it from global.c.
3088 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
3089 (build_insn_chain): Ditto. Make it static.
3090 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
3091 Rename to init_live_subregs.
3092 (gate_ira): Remove flag_ira.
3094 * regclass.c: Rename reginfo.c. Change file description.
3095 (FORBIDDEN_INC_DEC_CLASSES): Remove.
3096 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
3097 (init_reg_sets_1): Remove code for evaluation of
3098 reg_class_superclasses and losing_caller_save_reg_set.
3099 (init_regs): Remove init_reg_autoinc.
3100 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
3101 ok_for_base_p_nonstrict): Remove.
3102 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
3103 (pass_regclass_init): Rename to pass_reginfo_init. Modify
3104 corresponding entries.
3105 (dump_regclass, record_operand_costs, scan_one_insn,
3106 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
3107 record_address_regs, auto_inc_dec_reg_p): Remove.
3108 (gt-regclass.h): Rename to gt-reginfo.h.
3110 * rtl.h (dump_global_regs, retry_global_alloc,
3111 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
3113 * Makefile.in (RA_H): Remove.
3114 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
3115 Rename regclass.o to reginfo.o.
3116 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
3118 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
3119 (GTFILES): Rename regclass.c to reginfo.c.
3121 * passes.c (init_optimization_passes): Remove pass_local_alloc and
3122 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
3124 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3125 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
3127 (finish_spills): Ditto. Remove code for !flag_ira.
3129 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3132 * doc/invoke.texi (rtl debug options): Complete rewrite.
3133 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
3135 * mode-switching.c (pass_mode_switching): Rename pass from
3136 "mode-sw" to "mode_sw".
3137 * except.c (pass_convert_to_eh_ranges): Rename pass from
3138 "eh-ranges" to "eh_ranges".
3139 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
3143 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
3144 Alexander Monakov <amonakov@ispras.ru>
3147 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
3149 (move_exprs_to_boundary): Change return type and pass through
3150 should_move from move_op. Relax assert. Update usage ...
3151 (schedule_expr_on_boundary): ... here. Use should_move instead of
3153 (move_op_orig_expr_found): Indicate that insn was disconnected from
3155 (code_motion_process_successors): Do not call after_merge_succs
3156 callback if original expression was not found when traversing any of
3158 (code_motion_path_driver): Change return type. Update prototype.
3159 (move_op): Update comment. Add a new parameter (should_move). Update
3160 prototype. Set *should_move based on indication provided by
3161 move_op_orig_expr_found.
3163 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
3165 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
3166 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
3167 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
3168 * config/rs6000/rs6000.c (rs6000_override_options): Default
3169 avoid-indexed-addresses on for Power6, off for everything else.
3170 (avoiding_indexed_address_p): New function.
3171 (rs6000_legitimize_address): Use it.
3172 (rs6000_legitimate_address): Likewise.
3173 * config/rs6000/rs6000.md (movXX_updateX): Likewise
3175 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
3177 PR tree-optimization/38997
3178 * tree-loop-distribution.c (generate_memset_zero): Use
3179 POINTER_PLUS_EXPR for a pointer addition.
3181 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
3183 * config/s390/s390.md (bswap<mode>2): New pattern added.
3185 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3187 * config/s390/s390.md (*tls_load_31): Added type attribute.
3189 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3191 * config/s390/s390.md: Fix a few comments.
3193 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3195 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
3196 (*tm<mode>_full): Fixed z10prop attribute.
3197 (*tst<mode>_extimm): Fixed z10prop attribute.
3198 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
3199 (*tstqiCCT_cconly): Fixed z10prop attribute.
3200 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
3201 (*movsi_larl): Fixed z10prop attribute.
3202 (*movsi_zarch): Fixed z10prop attribute.
3203 (*movsi_eas): Fixed z10prop attribute.
3204 (*movhi): Fixed z10prop attribute.
3205 (*movqi): Fixed z10prop attribute.
3206 (*movstrictqi): Fixed z10prop attribute.
3207 (*mov<mode>): Fixed z10prop attribute.
3208 (*movcc): Fixed z10prop attribute.
3209 (*sethighpartdi_64): Fixed z10prop attribute.
3210 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
3211 (*negdi2_sign_cc): Fixed z10prop attribute.
3212 (*negdi2_sign): Fixed z10prop attribute.
3213 (*absdi2_sign_cc): Fixed z10prop attribute.
3214 (*absdi2_sign): Fixed z10prop attribute.
3215 (*negabsdi2_sign_cc): Fixed z10prop attribute.
3216 (*negabsdi2_sign): Fixed z10prop attribute.
3217 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
3218 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
3219 (doloop_si64): Fixed z10prop attribute.
3220 (doloop_si31): Fixed z10prop attribute.
3221 (doloop_long): Fixed z10prop attribute.
3222 (indirect_jump): Fixed z10prop attribute.
3223 (nop): Fixed z10prop attribute.
3224 (main_base_64): Fixed z10prop attribute.
3225 (reload_base_64): Fixed z10prop attribute.
3227 2009-01-28 Jakub Jelinek <jakub@redhat.com>
3229 PR rtl-optimization/38740
3230 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
3232 * config/mips/mips.c (mips_reorg): Likewise.
3234 2009-01-28 Richard Guenther <rguenther@suse.de>
3236 PR tree-optimization/38926
3237 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
3238 with the correct value id to a value.
3239 (do_regular_insertion): Use the value number of edoubleprime
3240 for the value number of the expr.
3243 2008-08-21 Richard Guenther <rguenther@suse.de>
3245 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
3246 a PHI ask VN if it is already available.
3247 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
3248 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
3250 2009-01-28 Jakub Jelinek <jakub@redhat.com>
3253 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
3254 set to varying whenever max has TREE_OVERFLOW set, similarly
3255 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
3257 2009-01-28 Richard Guenther <rguenther@suse.de>
3260 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
3261 uninitialized aggregate uses in call arguments.
3263 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
3265 PR tree-optimization/38984
3266 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
3267 the nothing_id variable if -fno-delete-null-pointer-checks.
3269 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
3272 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
3273 (set_got_offset_rex64): Ditto.
3275 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
3278 * doc/extend.texi: Improve local variable with asm reg.
3280 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
3282 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
3283 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
3284 was not supplied then set warn_packed_bitfield_compat to the
3286 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
3289 2009-01-27 Richard Guenther <rguenther@suse.de>
3291 PR tree-optimization/38503
3292 * cfgexpand.c (expand_gimple_basic_block): Ignore
3293 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
3294 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
3295 variables that cannot have TBAA applied.
3296 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
3299 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
3302 * calls.c (initialize_argument_information): Do not wrap complex
3303 arguments in SAVE_EXPR.
3305 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
3307 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
3308 (INSTALL_LIBGCC): Revert typo commit.
3310 2009-01-26 Richard Guenther <rguenther@suse.de>
3312 PR tree-optimization/38745
3313 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
3314 from special handling.
3316 2009-01-26 Richard Guenther <rguenther@suse.de>
3318 PR tree-optimization/38745
3319 * tree-ssa.c (execute_update_addresses_taken): Do not include
3320 variables that cannot possibly be a register in not_reg_needs.
3321 Do not clear TREE_ADDRESSABLE on vars that may not become
3323 * tree-ssa.c (update_alias_info_1): Include those in the set
3324 of addressable vars.
3326 2009-01-26 Richard Guenther <rguenther@suse.de>
3329 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
3330 * tree-ssa-dse.c: Include langhooks.h
3331 (execute_simple_dse): Remove stores with zero size.
3333 2009-01-24 Jakub Jelinek <jakub@redhat.com>
3336 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
3339 2009-01-24 Julian Brown <julian@codesourcery.com>
3341 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
3342 config/arm/linux-atomic.c.
3343 * config/arm/linux-atomic.c: New.
3345 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
3347 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
3348 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
3349 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
3351 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
3354 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
3357 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
3359 PR tree-optimization/38953
3360 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3361 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
3362 (gloog): Split the exit of the scop when the scop exit is a loop exit.
3363 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3366 2009-01-24 Paul Brook <paul@codesourcery.com>
3368 * config/arm/neon.md (neon_type): Move to arm.md.
3369 (neon_mov<VSTRUCT>): Add neon_type attribute.
3370 * config/arm/arm.md (neon_type): Move to here.
3371 (conds): Add "unconditioal" and use as default for NEON insns.
3373 2009-01-24 Ben Elliston <bje@au.ibm.com>
3375 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
3376 void *' warning from -Wc++-compat.
3377 * Makefile.in (dominance.o-warn): Remove.
3379 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
3381 PR tree-optimization/38932
3382 * fold-const.c (fold_unary_ignore_overflow): New.
3383 * tree.h (fold_unary_ignore_overflow): Declare.
3384 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
3385 * tree-ssa-sccvn.c (visit_reference_op_load,
3386 simplify_unary_expression): Likewise.
3388 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
3390 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
3391 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
3392 regardless of their type.
3393 * c-common.c (handle_packed_attribute): Don't ignore packed on
3395 * c.opt (Wpacked-bitfield-compat): New warning option.
3396 * stor-layout.c (place_field): Warn if offset of a field changed.
3397 * doc/extend.texi (packed): Mention the ABI change.
3398 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
3399 (Warning Options): Add it to the list.
3401 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
3403 * c-opts.c (c_common_post_options): Fix a typo in comments.
3405 2009-01-22 Steve Ellcey <sje@cup.hp.com>
3408 * gimplify.c (gimplify_init_constructor): Fix promotion of const
3409 variables to static.
3410 * doc/invoke.texi (-fmerge-all-constants): Update description.
3412 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
3415 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
3416 (*movdi_1_rex64): Use type "mmx" for alternative 5.
3418 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
3420 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
3422 (LOCAL_ALIGNMENT): Similarly.
3424 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
3425 Joseph Myers <joseph@codesourcery.com>
3427 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
3428 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
3429 * config/arm/arm-tune.md: Regenerate.
3430 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
3433 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
3435 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
3436 version number to five.
3438 2009-01-22 Dodji Seketeli <dodji@redhat.com>
3441 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
3442 * c-common.c (set_underlying_type): Likewise.
3443 (is_typedef_decl ): Likewise
3445 (set_underlying_type): Likewise.
3446 (is_typedef_type): Likewise.
3448 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
3451 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
3454 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
3457 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
3458 (LIBGCC_SPEC): Don't define.
3459 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
3461 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
3463 PR rtl-optimization/38879
3464 * alias.c (base_alias_check): Unaligned access via AND address can
3465 alias all surrounding object types except those with sizes equal
3466 or wider than the size of unaligned access.
3468 2009-01-21 Dodji Seketeli <dodji@redhat.com>
3471 * c-decl.c (clone_underlying_type): Move this ...
3472 * c-common.c (set_underlying_type): ... here.
3473 Also, make sure the function properly sets TYPE_STUB_DECL() on
3474 the newly created typedef variant type.
3475 (is_typedef_decl ): New entry point.
3476 * tree.h: Added a new member member_types_needing_access_check to
3477 struct tree_decl_non_common.
3478 (set_underlying_type): New entry point.
3479 (is_typedef_type): Likewise.
3481 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
3483 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
3484 Check whether two instructions have memory references that
3485 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
3486 are helper functions for traversing.
3487 * alias.h (insn_alias_sets_confilict_p): New prototypes.
3488 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
3489 not to draw dependency edge for instructions with non-conflicting
3492 2009-01-20 Joseph Myers <joseph@codesourcery.com>
3495 * longlong.h: Update copyright years. Use soft-fp license notice.
3496 Sync __clz_tab declaration with glibc.
3498 2009-01-20 Steve Ellcey <sje@cup.hp.com>
3501 * doc/extend.texi (syscall_linkage): New.
3502 (version_id): Modify.
3504 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
3505 Richard Guenther <rguenther@suse.de>
3507 PR tree-optimization/38747
3508 PR tree-optimization/38748
3509 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
3510 conversion if the base address is an indirect reference and the
3511 aliasing sets could cause issues.
3513 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
3515 * common.opt (fgraphite, fgraphite-identity): Add comment for
3516 explaining why these options are not documented.
3518 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
3520 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3521 gimple_call_lhs is NULL.
3523 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
3526 * emit-rtl.c (adjust_address_1): Make sure memref is never
3529 2009-01-20 Ben Elliston <bje@au.ibm.com>
3531 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
3532 const qualifier from arg parameter. Remove unnecessary cast to char *.
3533 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
3534 const qualifier from arg 2.
3536 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
3538 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
3540 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
3543 * rtl.h (reinit_regs): New prototype.
3544 * regclass.c: Include ira.h.
3546 * Makefile.in (regclass.o): Add ira.h.
3547 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
3549 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
3552 * c-common.c (handle_aligned_attribute): Use
3553 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
3554 default alignment value.
3556 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
3558 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
3559 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
3561 * doc/extend.texi: Update __attribute__ ((aligned)). Document
3562 __BIGGEST_ALIGNMENT__.
3564 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
3566 2009-01-18 Richard Guenther <rguenther@suse.de>
3568 PR tree-optimization/38819
3569 * tree-flow.h (operation_could_trap_helper_p): Declare.
3570 * tree-eh.c (operation_could_trap_helper_p): Export.
3571 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
3572 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
3573 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
3574 are about to insert a possibly trapping instruction and fail
3577 2009-01-18 Andreas Schwab <schwab@suse.de>
3579 * doc/install.texi (Configuration): Remove obsolete paragraph
3580 about use of --with-gnu-ld with --with-gnu-as.
3582 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
3584 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
3585 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
3586 Follow spelling conventions.
3588 2009-01-18 Ben Elliston <bje@au.ibm.com>
3590 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
3591 C++ warning about implicit conversion from void * to struct
3593 (bitmap_obstack_free): Likewise for bitmap_element *.
3594 * Makefile.in (bitmap.o-warn): Remove.
3596 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
3598 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
3600 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
3601 Tobias Grosser <tobi.grosser@amd.com>
3603 * graphite.c (graphite_trans_scop_block): Do not block single
3606 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
3608 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
3609 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
3610 test with assertion.
3612 2009-01-16 Richard Guenther <rguenther@suse.de>
3614 PR tree-optimization/38835
3616 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
3617 and INT + PTR -> (INT)(PTR p+ INT) folding.
3618 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
3620 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
3623 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
3624 the subreg from a lowpart subreg if it is also casting the value.
3626 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
3627 Tobias Grosser <tobi.grosser@amd.com>
3629 * graphite.c (compare_prefix_loops): New.
3630 (build_scop_canonical_schedules): Rewritten.
3631 (graphite_transform_loops): Move build_scop_canonical_schedules
3632 after build_scop_iteration_domain.
3634 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
3635 Tobias Grosser <tobi.grosser@amd.com>
3637 * graphite.c (add_conditions_to_domain): Add the loops to
3638 the dimension of the iteration domain. Do copy the domain
3639 only when it exists.
3640 (build_scop_conditions_1): Do not call add_conditions_to_domain.
3641 (add_conditions_to_constraints): New.
3642 (can_generate_code_stmt, can_generate_code): Removed.
3643 (gloog): Do not call can_generate_code.
3644 (graphite_transform_loops): Call add_conditions_to_constraints
3645 after building the iteration domain.
3647 2009-01-16 Jakub Jelinek <jakub@redhat.com>
3649 PR tree-optimization/38789
3650 * tree-ssa-threadedge.c
3651 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
3652 __builtin_constant_p.
3654 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
3656 * dce.c (delete_unmarked_insns): Reversed the order that insns are
3657 examined before deleting them.
3659 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
3661 * function.c (aggregate_value_p): Correctly extract the function
3662 type from CALL_EXPR_FN lookup.
3664 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3666 * config/picochip/picochip.c (picochip_override_options): Revert
3667 CFI asm flag disable commited previously.
3669 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
3670 Tobias Grosser <tobi.grosser@amd.com>
3671 Jan Sjodin <jan.sjodin@amd.com>
3673 * graphite.c (scan_tree_for_params): On substractions negate
3674 all the coefficients of the term.
3675 (clast_to_gcc_expression_red): New. Handle reduction expressions
3676 of more than two operands.
3677 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3678 (get_vdef_before_scop): Handle also the case of default definitions.
3680 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3682 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
3683 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
3684 Also use them when walking CALL_INSN_FUNCTION_USAGE.
3686 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
3687 Joey Ye <joey.ye@intel.com>
3690 * cfgexpand.c (expand_stack_alignment): Don't update stack
3691 boundary nor check incoming stack boundary here.
3692 (gimple_expand_cfg): Update stack boundary and check incoming
3693 stack boundary here.
3695 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
3697 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
3699 2009-01-14 Jakub Jelinek <jakub@redhat.com>
3701 PR rtl-optimization/38245
3702 * calls.c (expand_call): Add stack arguments to
3703 CALL_INSN_FUNCTION_USAGE even for pure calls (when
3704 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
3705 in regs and partially in memory or BLKmode arguments.
3706 (emit_library_call_value_1): Add stack arguments to
3707 CALL_INSN_FUNCTION_USAGE even for pure calls (when
3708 ACCUMULATE_OUTGOING_ARGS).
3709 * dce.c: Include tm_p.h.
3710 (find_call_stack_args): New function.
3711 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
3713 (mark_insn): Call find_call_stack_args for CALL_Ps.
3714 (prescan_insns_for_dce): Walk insns backwards in bb rather than
3715 forwards. Allocate and free arg_stores bitmap if needed, pass it
3716 down to deletable_insn_p, don't mark stores set in arg_stores
3717 bitmap, clear the bitmap at the beginning of each bb.
3718 * Makefile.in (dce.o): Depend on $(TM_P_H).
3720 2009-01-14 Michael Meissner <gnu@the-meissners.org>
3723 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
3724 to make sure the insn is a conditional test (bug 22599). Reformat a
3727 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
3730 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3731 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3732 (gloog): Do not call cleanup_tree_cfg.
3733 (graphite_transform_loops): Call cleanup_tree_cfg after all
3734 scops have been code generated.
3736 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
3737 * doc/gty.texi (Invoking the garbage collector): Added new node
3738 and section documenting ggc_collect.
3740 2009-01-14 Richard Guenther <rguenther@suse.de>
3742 PR tree-optimization/38826
3744 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
3745 initialization notes only if we actually emitted a warning.
3746 (intra_create_variable_infos): Add constraints for a result decl
3747 that is passed by hidden reference.
3748 (build_pred_graph): Mark all related variables non-direct on
3751 2009-01-14 Nick Clifton <nickc@redhat.com>
3753 * ira-conflicts.c: Include addresses.h for the definition of
3755 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
3756 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
3758 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
3761 * Makefile.in (ira-lives.o): Add except.h.
3763 * ira-lives.c: Include except.h.
3764 (process_bb_node_lives): Process can_throw_internal.
3766 2009-01-13 Jakub Jelinek <jakub@redhat.com>
3768 PR rtl-optimization/38774
3769 * combine.c (simplify_set): When undoing cc_use change, don't do
3770 PUT_CODE on the newly created comparison, but instead put back the
3773 2009-01-13 Joseph Myers <joseph@codesourcery.com>
3775 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
3776 values. Remove duplicate arm8 entry.
3778 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
3780 PR tree-optimization/38786
3781 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3782 the SSA_NAME case of expand_scalar_variables_expr.
3783 Set the type of an expression to the type of its assign statement.
3784 (expand_scalar_variables_expr): Also gather the scalar computation
3785 used to index the memory access. Do not pass loop_p.
3786 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
3787 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3788 the gimple_stmt_iterator where it inserts new code.
3790 (copy_bb_and_scalar_dependences): Do not pass loop_p.
3791 (translate_clast): Update call to copy_bb_and_scalar_dependences.
3793 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
3795 * graphite.h (debug_value): Removed.
3796 * graphite.c (debug_value): Removed.
3798 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
3800 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
3801 ldrd/strd with two 32-bit instructions.
3803 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
3805 * config/arm/arm.c (struct processors): Pass for speed down into
3806 cost helper functions.
3807 (const_ok_for_op): Handle COMPARE and inequality nodes.
3808 (arm_rtx_costs_1): Rewrite.
3809 (arm_size_rtx_costs): Update prototype.
3810 (arm_rtx_costs): Pass speed down to helper functions.
3811 (arm_slowmul_rtx_costs): Rework cost calculations.
3812 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
3813 (arm_9e_rtx_costs): Likewise.
3815 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
3817 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
3818 relocations of local symbols wider than UNITS_PER_WORD are not valid.
3819 (alpha_legitimize_address): Do not split local symbols wider than
3820 UNITS_PER_WORD into HIGH/LO_SUM parts.
3822 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
3825 * gcc.c (process_command): Replace call to execvp with calls
3826 to pex_one and exit.
3828 2009-01-03 Anatoly Sokolov <aesok@post.ru>
3831 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
3832 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
3833 variant for devices with 3-byte PC.
3834 (__tablejump_elpm__): New.
3836 2009-01-12 Jakub Jelinek <jakub@redhat.com>
3839 * c-parser.c (c_parser_postfix_expression): Allow `->' in
3840 offsetof member-designator, handle it as `[0].'.
3842 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3844 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
3845 function when not using named sections on targets with named sections
3846 if branch distance is less than 262132.
3848 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
3850 * combine.c (combine_instructions): Recompute
3851 optimize_this_for_speed_p for each BB in the main combine loop.
3853 2009-01-12 Tomas Bily <tbily@suse.cz>
3856 * tree-loop-distribution.c (prop_phis): New function.
3857 (generate_builtin): Call prop_phis.
3858 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
3860 2009-01-12 Jakub Jelinek <jakub@redhat.com>
3862 PR tree-optimization/38807
3863 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
3864 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
3866 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
3868 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
3869 subreg of op0 to the original op0.
3871 2009-01-11 Laurent GUERBY <laurent@guerby.net>
3873 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
3875 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
3878 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
3879 starting with digits.
3881 2009-01-10 Jakub Jelinek <jakub@redhat.com>
3884 * config/arm/arm.c (arm_is_long_call_p): Don't call
3885 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
3887 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
3889 * regrename.c (regrename_optimize): Fix dumping.
3890 (find_oldest_value_reg): Preserve REG_POINTER.
3891 (copy_hardreg_forward_1): Likewise.
3893 2009-01-09 Diego Novillo <dnovillo@google.com>
3895 * gimple.h (struct gimple_statement_base) <uid>: Document
3896 the restrictions on its use.
3898 (gimple_set_uid): Tidy.
3900 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3902 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
3903 zero guard even if align_bytes != 0 and count is smaller than
3906 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
3908 PR rtl-optimization/38495
3909 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
3910 (add_range_and_copies_from_move_list): Print all added ranges.
3911 Add ranges to memory optimized destination.
3913 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3917 * config/i386/i386.c (override_options): Reject
3918 -mstringop-strategy=rep_8byte with -m32.
3919 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
3920 to 1. Do count comparison against epilogue_size_needed at compile
3921 time even when count_exp was constant forced into register. For
3922 size_needed don't jump to epilogue, instead just avoid aligning
3923 and invoke the body algorithm. If need_zero_guard, add zero guard
3924 even if count is non-zero, but smaller than size_needed + number of
3925 bytes that could be stored for alignment.
3926 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
3927 to 1. If need_zero_guard, add zero guard even if count is non-zero,
3928 but smaller than size_needed + number of bytes that could be stored
3929 for alignment. Compare size_needed with epilogue_size_needed instead
3930 of desired_align - align, don't adjust size_needed, pass
3931 epilogue_size_needed to the epilogue expanders.
3934 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
3936 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3938 * pa.c (last_address): Change to unsigned.
3939 (update_total_code_bytes): Change argument to unsigned. Don't
3940 check if insn addresses are set.
3941 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
3942 addresses are not set.
3943 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
3945 2009-01-09 Nick Clifton <nickc@redhat.com>
3947 * config/sh/symbian.c: Replace uses of DECL_INLINE with
3948 DECL_DECLARED_INLINE_P.
3950 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3953 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
3954 GET_MODE (op0) in operand_subword_force calls.
3957 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
3958 fold_convert arg0 operands to TREE_TYPE (op0) first.
3960 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
3962 * params.def (ira-max-conflict-table-size): Decrease default value
3965 2009-01-08 Jakub Jelinek <jakub@redhat.com>
3967 PR tree-optimization/37031
3968 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
3970 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
3971 allocate it using gc instead of heap, use VEC_quick_push instead of
3973 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
3974 instead of heap, use VEC_quick_push instead of VEC_safe_push.
3975 * tree-data-ref.h (struct access_matrix): Change matrix to gc
3976 allocated vector from heap allocated.
3977 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
3978 * tree-loop-linear.c (linear_transform_loops): Allocate nest
3979 vector only after perfect_loop_nest_depth call.
3981 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
3982 Jan Sjodin <jan.sjodin@amd.com>
3984 PR tree-optimization/38559
3985 * graphite.c (debug_value, copy_constraint,
3986 swap_constraint_variables, scale_constraint_variable, ): New.
3987 (get_lower_bound, get_upper_bound): Removed.
3988 (graphite_trans_bb_strip_mine): Clean up this code that works
3989 only for constant number of iterations. Fully copy upper and
3990 lower bound constraints, not only the constant part of them.
3991 * graphite.h (debug_value): Declared.
3993 2009-01-08 Ira Rosen <irar@il.ibm.com>
3995 PR tree-optimization/37194
3996 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
3997 Don't add the cost of cost model guard in prologue to scalar
3998 outside cost in case of known number of iterations.
4000 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
4001 Alan Modra <amodra@bigpond.net.au>
4003 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
4004 non-word-aligned REG+CONST addressing.
4006 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
4009 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
4010 free_after_compilation when outputting a thunk.
4011 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
4012 Do not call free_after_compilation here.
4014 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
4016 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
4017 (ix86_valid_target_attribute_inner_p): Ditto.
4019 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
4021 PR tree-optimization/38492
4022 PR tree-optimization/38498
4023 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
4024 * tree-chrec.h (scev_is_linear_expression): Declared.
4025 * graphite.c (graphite_cannot_represent_loop_niter): New.
4026 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
4027 (graphite_loop_normal_form): Use gcc_assert.
4028 (scan_tree_for_params): Use CASE_CONVERT.
4029 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
4030 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
4031 Use gcc_assert. Discard scops that contain unhandled cases.
4032 (build_scop_conditions): Return a boolean status for unhandled cases.
4033 (strip_mine_profitable_p): Print the loop number, not its depth.
4034 (is_interchange_valid): Pass the depth of the loop nest, don't
4035 recompute it wrongly.
4036 (graphite_trans_bb_block): Same.
4037 (graphite_trans_bb_block): Print tentative of loop blocking.
4038 (graphite_trans_scop_block): Do not print that the loop has been
4040 (graphite_transform_loops): Do not handle scops that contain condition
4043 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
4045 AVX Programming Reference (December, 2008)
4046 * config/i386/avxintrin.h (_mm256_stream_si256): New.
4047 (_mm256_stream_pd): Likewise.
4048 (_mm256_stream_ps): Likewise.
4050 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
4051 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
4052 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
4053 (bdesc_special_args): Add __builtin_ia32_movntdq256,
4054 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
4055 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
4056 (ix86_expand_special_args_builtin): Likewise.
4058 * config/i386/sse.md (AVXMODEDI): New.
4059 (avx_movnt<mode>): Likewise.
4060 (avx_movnt<mode>): Likewise.
4061 (<sse>_movnt<mode>): Remove AVX support.
4062 (sse2_movntv2di): Likewise.
4064 2009-01-07 Richard Guenther <rguenther@suse.de>
4067 * fold-const.c (extract_muldiv): Remove obsolete comment.
4068 (fold_plusminus_mult_expr): Undo MINUS_EXPR
4069 to PLUS_EXPR canonicalization for the canonicalization.
4071 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
4073 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
4074 hosted cross-compilers generating less efficient code.
4076 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
4078 * function.h (rtl_data): Add a dbr_scheduled_p field.
4079 * reorg.c (dbr_schedule): Set it.
4080 (gate_handle_delay_slots): Check it.
4081 * config/mips/mips.c (mips_base_delayed_branch): Delete.
4082 (mips_reorg): Check flag_delayed_branch instead of
4083 mips_base_delayed_branch.
4084 (mips_override_options): Don't set mips_base_delayed_branch
4085 or flag_delayed_branch.
4087 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
4089 PR rtl-optimization/38426.
4090 * ira.c (ira): Set current_function_is_leaf earlier.
4092 2009-01-06 Jakub Jelinek <jakub@redhat.com>
4094 PR rtl-optimization/38722
4095 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
4096 too early, only set a flag and modify after last possible
4099 2009-01-06 Janis Johnson <janis187@us.ibm.com>
4102 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
4103 * real.c (decimal_single_format): Correct values of emin and emax.
4104 (decimal_double_format): Ditto.
4105 (decimal_quad_format): Ditto.
4106 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
4107 computation of DECnn_MIN and DECnn_MAX for corrected values of
4108 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
4109 __DECnn_MIN__, and adjust its computation for the corrected value
4112 2009-01-06 Jan Hubicka <jh@suse.cz>
4115 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
4117 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
4119 * doc/contrib.texi (Contributors): Slightly adjust the end note.
4120 Add Robert Clark to the list of testers.
4122 2009-01-06 Jan Hubicka <jh@suse.cz>
4123 Kai Tietz <kai.tietz@onevision.com>
4125 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
4126 * config/i386/i386.c (ix86_expand_call): Add clobbers.
4128 2009-01-06 Jan Hubicka <jh@suse.cz>
4129 Kai Tietz <kai.tietz@onevision.com>
4131 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
4133 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
4134 (ix86_nsaved_regs): Count only general purpose regs.
4135 (ix86_nsaved_sseregs): New.
4136 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
4137 to 16 for w64; compute padding and size of sse reg save area.
4138 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
4139 general purpose regs.
4140 (ix86_emit_save_sse_regs_using_mov): New.
4141 (ix86_expand_prologue): Save SSE regs if needed.
4142 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
4143 (ix86_emit_restore_sse_regs_using_mov): New.
4144 (ix86_expand_epilogue): Save SSE regs if needed.
4146 2009-01-06 Jan Hubicka <jh@suse.cz>
4147 Kai Tietz <kai.tietz@onevision.com>
4149 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
4150 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
4151 functions when accumulate outgoing args is off.
4153 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
4156 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
4157 before using pseudos_have_intersected_live_ranges_p.
4159 * ira-int.h (ira_assert): Always define.
4161 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
4163 AVX Programming Reference (December, 2008)
4164 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
4165 (_mm256_permute2_pd): Likewise.
4166 (_mm_permute2_ps): Likewise.
4167 (_mm256_permute2_ps): Likewise.
4168 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
4169 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
4171 * config/i386/i386.c (ix86_builtins): Remove
4172 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
4173 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
4174 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
4175 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
4176 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
4177 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
4178 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
4179 __builtin_ia32_vpermil2ps256.
4180 (ix86_init_mmx_sse_builtins): Updated.
4181 (ix86_expand_args_builtin): Likewise.
4183 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4185 * pa.c (output_call): Relocate non-jump insns in the delay slot of
4186 long absolute calls when generating PA 2.0 code.
4188 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
4190 PR rtl-optimization/38583
4191 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
4193 * params.def (ira-max-conflict-table-size): New.
4195 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
4197 * ira.h (ira_conflicts_p): New external definition.
4199 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
4200 table. Report this. Return result of building.
4201 (ira_build_conflicts): Use ira_conflicts_p. Check result of
4202 building conflict table.
4204 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
4205 (ira_color): Use ira_conflicts_p.
4207 * global.c: Include ira.h.
4208 (pseudo_for_reload_consideration_p, build_insn_chain): Use
4211 * Makefile.in (global.o): Add ira.h.
4213 * ira-build.c (mark_all_loops_for_removal,
4214 propagate_some_info_from_allocno): New.
4215 (remove_unnecessary_allocnos): Call
4216 propagate_some_info_from_allocno.
4217 (remove_low_level_allocnos): New.
4218 (remove_unnecessary_regions): Add parameter. Call
4219 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
4220 parameter to remove_unnecessary_regions.
4221 (ira_build): Remove all regions but root if the conflict table was
4222 not built. Update conflict hard regs for allocnos crossing calls.
4224 * ira.c (ira_conflicts_p): New global.
4225 (ira): Define and use ira_conflicts_p.
4227 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
4228 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
4229 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
4231 2009-01-06 Ben Elliston <bje@au.ibm.com>
4233 * gengtype-lex.l (YY_NO_INPUT): Define.
4235 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
4238 * c-common.c (handle_vector_size_attribute): Also reject
4241 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
4243 PR tree-optimization/38492
4244 * graphite.c (rename_map_elt, debug_rename_elt,
4245 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4246 rename_map_elt_info, eq_rename_map_elts,
4247 get_new_name_from_old_name, bb_in_sese_p): Moved around.
4248 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4249 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4250 (sese_build_livein_liveouts): New.
4251 (new_sese, free_sese): New.
4252 (new_scop): Call new_sese.
4253 (free_scop): Call free_sese.
4254 (rename_variables_from_edge, rename_phis_end_scop): Removed.
4255 (register_old_new_names): Renamed register_old_and_new_names.
4256 (register_scop_liveout_renames, add_loop_exit_phis,
4257 insert_loop_close_phis, struct igp,
4258 default_liveout_before_guard, add_guard_exit_phis,
4259 insert_guard_phis, copy_renames): New.
4260 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4261 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4262 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4263 (scop_adjust_phis_for_liveouts): New.
4264 (gloog): Call scop_adjust_phis_for_liveouts.
4266 * graphite.h (struct sese): Documented. Added fields liveout,
4268 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4269 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4270 (struct scop): Added field liveout_renames.
4271 (SCOP_LIVEOUT_RENAMES): New.
4273 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
4275 PR tree-optimization/38510
4276 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4277 (translate_clast): Call recompute_all_dominators before
4279 (gloog): Call recompute_all_dominators before graphite_verify.
4281 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
4282 Jan Sjodin <jan.sjodin@amd.com>
4284 PR tree-optimization/38500
4285 * graphite.c (create_sese_edges): Call fix_loop_structure after
4288 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
4290 * config.gcc: Add m32r*-*-rtems*.
4291 * config/m32r/rtems.h: New file.
4293 2009-01-05 Ben Elliston <bje@au.ibm.com>
4295 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
4296 (.po.pox): Likewise.
4297 (po/gcc.pot): Likewise.
4299 2009-01-04 David S. Miller <davem@davemloft.net>
4301 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
4302 (STARTING_FRAME_OFFSET): Always set to zero.
4304 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
4306 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
4307 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
4308 fixed-point types, and vectors of the same.
4310 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
4312 * config/mips/sync.md (*mb_barrier): Rename to...
4313 (*memory_barrier): ...this.
4315 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
4317 * doc/extend.texi (Function Attributes): Move @cindex after @item
4318 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
4319 and put in alphabetical order. Fix 'target' name and put in order.
4320 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
4323 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
4325 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
4326 (memory_barrier): Expand as unspec instead of unspec_volatile.
4327 Remove mem:BLK from insn operands. Use Pmode scratch register.
4328 (*memory_barrier): Define as unspec instead of unspec_volatile.
4329 Use (match_dup 0) as input operand.
4331 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
4332 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
4333 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
4334 scratch register. Remove operand 1.
4335 (*stbar): Define as unspec instead of unspec_volatile.
4336 Use (match_dup 0) as input operand, remove (const_int 8).
4337 (*membar): Define as unspec instead of unspec_volatile.
4338 Use (match_dup 0) as input operand, remove input operand 2.
4340 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
4341 (memory_barrier): Expand as unspec instead of unspec_volatile.
4342 Remove mem:BLK from insn operands. Use Pmode scratch register.
4343 (*memory_barrier): Define as unspec instead of unspec_volatile.
4344 Use (match_dup 0) as input operand.
4346 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
4347 Remove mem:BLK from insn operands. Use Pmode scratch register.
4348 Set volatile flag on operand 0.
4349 (*memory_barrier): New insn pattern.
4351 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
4353 (*memory_barrier): Use (match_dup 0) as input operand.
4355 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
4356 Remove mem:BLK from insn operands. Use Pmode scratch register.
4357 Set volatile flag on operand 0.
4358 (*mb_internal): New insn pattern.
4360 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
4362 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
4365 * function.c (struct temp_slot): Move to the section of the file
4366 that deals with temp slots. Remove field 'address'.
4367 (temp_slot_address_table): New hash table of address -> temp slot.
4368 (struct temp_slot_address_entry): New struct, items for the table.
4369 (temp_slot_address_compute_hash, temp_slot_address_hash,
4370 temp_slot_address_eq, insert_temp_slot_address): Support functions
4372 (find_temp_slot_from_address): Rewrite to use the new hash table.
4373 (remove_unused_temp_slot_addresses): Remove addresses of temp
4374 slots that have been made available.
4375 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
4376 worker function for remove_unused_temp_slot_addresses.
4377 (assign_stack_temp_for_type): Don't clear the temp slot address list.
4378 Add the temp slot address to the address -> temp slot map.
4379 (update_temp_slot_address): Update via insert_temp_slot_address.
4380 (free_temp_slots): Call remove_unused_temp_slot_addresses.
4381 (pop_temp_slots): Likewise.
4382 (init_temp_slots): Allocate the address -> temp slot map, or empty
4383 the map if it is already allocated.
4384 (prepare_function_start): Initialize temp slot processing.
4386 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
4389 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
4390 Calculate the size of all stack vars assuming no packing of stack
4391 vars will happen, replacing a quadratic algorithm with a linear one.
4393 2009-01-03 Jakub Jelinek <jakub@redhat.com>
4396 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
4399 2009-01-03 Diego Novillo <dnovillo@google.com>
4401 * doc/contrib.texi: Update contributions.
4403 2009-01-03 Jakub Jelinek <jakub@redhat.com>
4406 * builtins.c (fold_builtin_memory_op): Give up if either operand
4407 is volatile. Set srctype or desttype to non-qualified version
4411 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
4414 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
4416 PR rtl-optimization/35805
4417 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
4418 problem if fast dce is able to remove any instructions.
4419 * dce.c (dce_process_block): Fix dump message.
4421 2009-01-02 Mark Mitchell <mark@codesourcery.com>
4424 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
4426 2009-01-02 Jakub Jelinek <jakub@redhat.com>
4429 * tree-flow.h (op_code_prio, op_prio): New prototypes.
4430 * tree-pretty-print.c (op_code_prio): New function.
4431 (op_prio): No longer static. Use op_code_prio.
4432 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
4433 Use op_prio and op_code_prio to determine if () should be
4434 printed around operand(s) or not.
4436 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
4437 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
4438 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
4439 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
4440 pp_character instead of pp_string for single letter printing.
4442 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4444 * doc/extend.texi: Fix '#pragma GCC option' typo.
4446 2009-01-02 Richard Guenther <rguenther@suse.de>
4448 * doc/install.texi (--enable-checking): Mention different
4450 (--enable-stage1-checking): Document.
4452 2009-01-01 Andrew Pinski <pinskia@gmail.com>
4455 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
4456 case to be an error.
4458 2009-01-02 Ben Elliston <bje@au.ibm.com>
4460 * config/fp-bit.h (pack_d): Constify argument.
4461 * config/fp-bit.c (makenan): Constify return type. Remove casts.
4462 (isnan): Constify argument.
4466 (_fpadd_parts): Constify return type.
4467 (_fpmul_parts): Likewise.
4468 (_fpdiv_parts): Likewise.
4470 2009-01-01 Jakub Jelinek <jakub@redhat.com>
4473 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
4474 warn about overwriting initializer with side-effects or
4475 -Woverride-init if !IMPLICIT.
4476 (output_init_element): Likewise. Pass IMPLICIT down to
4478 (process_init_element): Add IMPLICIT argument. Pass it down
4479 to output_init_element.
4480 (push_init_element, pop_init_level, set_designator): Adjust
4481 process_init_element callers.
4482 (set_nonincremental_init, set_nonincremental_init_from_string):
4483 Adjust add_pending_init callers.
4484 (output_pending_init_elements): Adjust output_init_element callers.
4485 * c-tree.h (process_init_element): Adjust prototype.
4486 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
4487 process_init_element callers.
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