1 2009-03-31 Ben Elliston <bje@au.ibm.com>
4 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
7 2009-03-31 Alan Modra <amodra@bigpond.net.au>
9 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
10 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
11 * configure: Regenerate.
12 * config.in: Regenerate.
13 * config/rs6000/rs6000.opt (mtls-markers): Add.
14 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
15 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
16 (tls_ld_aix, tls_ld_sysv): Likewise.
17 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
18 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
20 2009-03-31 Alan Modra <amodra@bigpond.net.au>
22 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
24 2009-03-30 Jan Hubicka <jh@suse.cz>
26 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
28 (tree_remove_unreachable_handlers): Cleanup EH predecestor
29 detection and label handling.
31 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
33 * ira-int.h (ira_allocno): Rename left_conflicts_num to
35 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
36 ALLOCNO_LEFT_CONFLICTS_SIZE.
38 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
39 remove_allocno_from_bucket_and_push,
40 allocno_spill_priority_compare, push_allocnos_to_stack,
41 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
42 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
43 (setup_allocno_left_conflicts_num): Ditto. Rename to
44 setup_allocno_left_conflicts_size.
45 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
46 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
47 setup_allocno_left_conflicts_size instead of
48 setup_allocno_left_conflicts_num.
50 * ira-build.c (ira_create_allocno): Use
51 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
52 ALLOCNO_LEFT_CONFLICTS_NUM.
54 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
56 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
59 * ira-lives.c (process_bb_node_lives): Ditto.
61 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
62 instead of DF_LR_{OUT,IN}.
64 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
66 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
68 2009-03-30 Jan Hubicka <jh@suse.cz>
70 * except.c (label_to_region_map): Fix thinko.
72 2009-03-30 Steve Ellcey <sje@cup.hp.com>
75 * tree.h (tree_find_value): New declaration.
76 * tree.c (tree_find_value): New function.
77 * varasm.c (assemble_external): Avoid duplicate entries on lists.
79 2009-03-30 Jakub Jelinek <jakub@redhat.com>
82 * c-decl.c (struct c_binding): Add locus field.
83 (bind): Add locus argument, set locus field from it.
84 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
85 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
86 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
87 implicitly_declare, undeclared_variable, lookup_label,
88 declare_label, c_make_fname_decl, c_builtin_function,
89 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
92 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
95 * config/i386/i386.c (classify_argument): Check total size of
98 2009-03-30 Martin Jambor <mjambor@suse.cz>
100 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
101 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
102 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
105 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
106 seen_variable_array_ref while also traversing a union.
108 * tree-inline.c (optimize_inline_calls): Do not call
109 cgraph_node_remove_callees.
110 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
111 (pass_remove_cgraph_callee_edges): New variable.
112 * passes.c (init_optimization_passes): Add
113 pass_remove_cgraph_callee_edges after early inlining and before all
114 late intraprocedural passes.
116 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
118 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
120 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
123 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
125 * combine.c (simplify_comparison): Use have_insn_for.
126 * dojump.c (do_jump): Likewise.
128 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
130 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
131 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
132 sparc_compare_op0 like sparc_compare_emitted used to be handled.
133 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
134 instead of sparc_compare_emitted.
135 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
136 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
137 instead of sparc_compare_emitted.
139 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
141 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
142 enter/exit cfglayout mode.
143 (pass_partition_block): Require it.
144 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
145 (combine_instructions): Track basic blocks instead of labels.
146 (update_cfg_for_uncondjump): New.
147 (try_combine): Use it. Update jumps after rescanning.
148 (pass_combine): Require PROP_cfglayout.
149 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
151 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
153 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
154 Provide/destroy PROP_cfglayout respectively.
155 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
156 * tree-pass.h (PROP_cfglayout): New.
158 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
160 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
161 fold_convert_const_fixed_from_fixed,
162 fold_convert_const_fixed_from_int,
163 fold_convert_const_fixed_from_real, fold_negate_const): Do not
164 set TREE_CONSTANT_OVERFLOW.
165 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
166 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
168 2009-03-30 Ira Rosen <irar@il.ibm.com>
170 * tree-vect-loop-manip.c: New file.
171 * tree-vectorizer.c: Update documentation and included files.
172 (vect_loop_location): Make extern.
173 (rename_use_op): Move to tree-vect-loop-manip.c
174 (rename_variables_in_bb, rename_variables_in_loop,
175 slpeel_update_phis_for_duplicate_loop,
176 slpeel_update_phi_nodes_for_guard1,
177 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
178 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
179 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
180 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
181 find_loop_location): Likewise.
182 (new_stmt_vec_info): Move to tree-vect-stmts.c.
183 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
184 get_vectype_for_scalar_type, vect_is_simple_use,
185 supportable_widening_operation, supportable_narrowing_operation):
187 (bb_in_loop_p): Move to tree-vect-loop.c.
188 (new_loop_vec_info, destroy_loop_vec_info,
189 reduction_code_for_scalar_code, report_vect_op,
190 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
191 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
192 (vect_supportable_dr_alignment): Likewise.
193 * tree-vectorizer.h (tree-data-ref.h): Include.
194 (vect_loop_location): Declare.
195 Reorganize function declarations according to the new file structure.
196 * tree-vect-loop.c: New file.
197 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
198 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
199 * tree-vect-data-refs.c: New file.
200 * tree-vect-patterns.c (timevar.h): Don't include.
201 * tree-vect-stmts.c: New file.
202 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
203 tree-vect-slp.c, tree-vect-loop.c.
204 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
205 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
206 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
207 (tree-vect-analyze.o): Remove.
208 (tree-vect-transform.o): Likewise.
209 (tree-vect-data-refs.o): Add rule.
210 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
211 tree-vect-slp.o): Likewise.
212 (tree-vect-patterns.o): Remove redundant dependencies.
213 (tree-vectorizer.o): Likewise.
214 * tree-vect-slp.c: New file.
216 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
218 * optc-gen.awk: Warn if an option flag has multiple different
221 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
223 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
224 -floop-block): Document dependences on PPL, CLooG and Graphite.
226 2009-03-30 Joseph Myers <joseph@codesourcery.com>
228 PR rtl-optimization/323
229 * c-common.c (c_fully_fold, convert_and_check,
230 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
231 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
232 * c-common.def (EXCESS_PRECISION_EXPR): New.
233 * c-cppbuiltin.c (builtin_define_float_constants): Define
234 constants with enough digits for long double.
235 * c-lex.c (interpret_float): Interpret constant with excess
236 precision where appropriate.
237 * c-opts.c (c_common_post_options): Set
238 flag_excess_precision_cmdline. Give an error for
239 -fexcess-precision=standard for C++ for processors where the
240 option is significant.
241 * c-parser.c (c_parser_conditional_expression): Handle excess
242 precision in condition.
243 * c-typeck.c (convert_arguments): Handle arguments with excess
245 (build_unary_op): Move excess precision outside operation.
246 (build_conditional_expr): Likewise.
247 (build_compound_expr): Likewise.
248 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
249 (build_modify_expr): Handle excess precision in RHS.
250 (convert_for_assignment): Handle excess precision in converted
252 (digest_init, output_init_element, process_init_element): Handle
253 excess precision in initializer.
254 (c_finish_return): Handle excess precision in return value.
255 (build_binary_op): Handle excess precision in operands and add
256 excess precision as needed for operation.
257 * common.opt (-fexcess-precision=): New option.
258 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
259 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
260 For standard excess precision, output explicit conversion to and
261 truncation from XFmode.
262 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
263 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
264 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
265 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
266 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
267 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
268 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
269 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
270 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
271 define_splits, sqrt<mode>2): Disable where appropriate for
272 standard excess precision.
273 * convert.c (convert_to_real): Do not shorten arithmetic to type
274 for which excess precision would be used.
275 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
276 * doc/invoke.texi (-fexcess-precision=): Document option.
277 (-mfpmath=): Correct index entry.
278 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
279 flag_excess_precision): New.
280 * langhooks.c (lhd_post_options): Set
281 flag_excess_precision_cmdline.
282 * opts.c (common_handle_option): Handle -fexcess-precision=.
283 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
284 init_excess_precision): New.
285 (lang_dependent_init_target): Call init_excess_precision.
286 * tree.c (excess_precision_type): New.
287 * tree.h (excess_precision_type): Declare.
289 2009-03-30 Joseph Myers <joseph@codesourcery.com>
292 * c-typeck.c (build_component_ref): Do not copy qualifiers from
293 non-lvalue to component.
295 2009-03-29 Joseph Myers <joseph@codesourcery.com>
297 PR preprocessor/34695
298 * Makefile.in (c-opts.o): Depend on c-tree.h.
299 * c-common.c: Move down include of diagnostic.h.
300 (done_lexing, c_cpp_error): New.
301 * c-common.h (done_lexing): Declare.
302 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
304 * c-opts.c: Include c-tree.h.
305 (c_common_init_options): Set preprocessor error callback.
306 (c_common_handle_option): Do not set preprocessor
307 inhibit_warnings, warnings_are_errors, warn_system_headers,
308 pedantic_errors or inhibit_warnings flags.
309 (c_common_post_options): Do not check cpp_errors (parse_in).
310 (c_common_finish): Do not output dependencies if there were
311 errors. Do not check return value of cpp_finish.
312 * c-ppoutput.c (pp_file_change): Set input_location.
313 * c-tree.h (c_cpp_error): Declare.
314 * diagnostic.c (diagnostic_set_info_translated): Also initialize
316 (diagnostic_build_prefix): Check override_column.
317 * diagnostic.h (diagnostic_info): Add override_column field.
318 (diagnostic_override_column): Define.
320 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
322 * c-common.c (c_expand_expr, c_staticp): Remove.
323 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
324 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
325 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
326 * c-gimplify.c (gimplify_compound_literal_expr,
327 optimize_compound_literals_in_ctor): Remove.
328 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
329 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
330 * c-semantics.c (emit_local_var): Remove.
332 * langhooks-def.h (lhd_expand_expr): Remove.
333 * langhooks.c (lhd_expand_expr): Remove.
334 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
336 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
337 handling from c-semantics.c; don't call into langhook.
338 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
339 * gimplify.c (gimplify_compound_literal_expr,
340 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
341 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
342 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
343 as was done in c-gimplify.c.
344 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
345 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
346 Move from c-common.h.
347 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
349 * tree.c (staticp): Do not call langhook.
350 * langhooks.c (lhd_staticp): Delete.
351 * langhooks-def.h (lhd_staticp): Delete prototype.
352 (LANG_HOOKS_STATICP): Delete.
353 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
355 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
356 instead of DECL_STMTs.
358 2009-03-29 Joseph Myers <joseph@codesourcery.com>
366 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
368 (fold_call_expr): Return a NOP_EXPR from folding rather than the
369 contained expression.
370 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
371 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
372 conditional expressions for C.
373 (decl_constant_value_for_optimization): Move from
374 decl_constant_value_for_broken_optimization in c-typeck.c. Check
375 whether optimizing and that the expression is a VAR_DECL not of
376 array type instead of doing such checks in the caller. Do not
377 check pedantic. Call gcc_unreachable for C++.
378 * c-common.def (C_MAYBE_CONST_EXPR): New.
379 * c-common.h (c_fully_fold, c_save_expr,
380 decl_constant_value_for_optimization): New prototypes.
381 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
382 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
383 EXPR_INT_CONST_OPERANDS): Define.
384 * c-convert.c (convert): Strip nops from expression.
385 * c-decl.c (groktypename): Take extra parameters expr and
386 expr_const_operands. Update call to grokdeclarator.
387 (start_decl): Update call to grokdeclarator. Add statement for
388 expressions used in type of decl.
389 (grokparm): Update call to grokdeclarator.
390 (push_parm_decl): Update call to grokdeclarator.
391 (build_compound_literal): Add parameter non_const and build a
392 C_MAYBE_COSNT_EXPR if applicable.
393 (grokdeclarator): Take extra parameters expr and
394 expr_const_operands. Track expressions used in declaration
395 specifiers and declarators. Fold array sizes and track whether
396 they are constant expressions and whether they are integer
397 constant expressions.
398 (parser_xref_tag): Set expr and expr_const_operands fields in
400 (grokfield): Update call to grokdeclarator.
401 (start_function): Update call to grokdeclarator.
402 (build_null_declspecs): Set expr and expr_const_operands fields in
404 (declspecs_add_type): Handle expressions in typeof specifiers.
405 * c-parser.c (c_parser_declspecs): Set expr and
406 expr_const_operands fields for declaration specifiers.
407 (c_parser_enum_specifier): Likewise.
408 (c_parser_struct_or_union_specifier): Likewise.
409 (c_parser_typeof_specifier): Likewise. Update call to
410 groktypename. Fold expression as needed. Return expressions with
411 type instead of adding statements.
412 (c_parser_attributes): Update calls to c_parser_expr_list.
413 (c_parser_statement_after_labels): Fold expression before passing
414 to objc_build_throw_stmt.
415 (c_parser_condition): Fold expression.
416 (c_parser_asm_operands): Fold expression.
417 (c_parser_conditional_expression): Use c_save_expr. Update call
418 to build_conditional_expr.
419 (c_parser_alignof_expression): Update call to groktypename.
420 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
421 original_code. Fold expression argument of va_arg. Create
422 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
423 argument to va_arg. Update calls to groktypename. Fold array
424 index for offsetof. Verify that first argument to
425 __builtin_choose_expr has integer type.
426 (c_parser_postfix_expression_after_paren_type): Update calls to
427 groktypename and build_compound_literal. Handle expressions with
428 side effects in type name.
429 (c_parser_postfix_expression_after_primary): Update call to
430 c_parser_expr_list. Set original_code for calls to
431 __builtin_constant_p.
432 (c_parser_expr_list): Take extra parameter fold_p. Fold
433 expressions if requested.
434 (c_parser_objc_type_name): Update call to groktypename.
435 (c_parser_objc_synchronized_statement): Fold expression.
436 (c_parser_objc_receiver): Fold expression.
437 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
438 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
439 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
440 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
441 (struct c_typespec): Add elements expr and expr_const_operands.
442 (struct c_declspecs): Add elements expr and expr_const_operands.
443 (groktypename, build_conditional_expr, build_compound_literal):
445 (in_late_binary_op): Declare.
446 * c-typeck.c (note_integer_operands): New function.
447 (in_late_binary_op): New variable.
448 (decl_constant_value_for_broken_optimization): Move to c-common.c
449 and rename to decl_constant_value_for_optimization.
450 (default_function_array_conversion): Do not strip nops.
451 (default_conversion): Do not call
452 decl_constant_value_for_broken_optimization.
453 (build_array_ref): Do not fold result.
454 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
455 result when operand is a VLA.
456 (c_expr_sizeof_type): Update call to groktypename. Handle
457 expressions included in type name. Use C_MAYBE_CONST_EXPR for
458 result when operand names a VLA type.
459 (build_function_call): Update call to build_compound_literal.
460 Only fold result for calls to __builtin_* functions. Strip
461 NOP_EXPR from INTEGER_CST returned from such functions. Fold
462 the function designator.
463 (convert_arguments): Fold arguments. Update call to
464 convert_for_assignment.
465 (build_unary_op): Handle increment and decrement of
466 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
467 decrement earlier. Fold operand of increment and decrement.
468 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
469 built for integer operand. Wrap returns that are INTEGER_CSTs
470 without being integer constant expressions or that have integer
471 constant operands without being INTEGER_CSTs.
472 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
473 (build_conditional_expr): Add operand ifexp_bcp. Track whether
474 result is an integer constant expression or can be used in
475 unevaluated parts of one and avoid folding and wrap as
476 appropriate. Fold operands before possibly doing -Wsign-compare
478 (build_compound_expr): Wrap result for C99 if operands can be used
479 in integer constant expressions.
480 (build_c_cast): Update call to digest_init. Do not ignore
481 overflow from casting floating-point constants to integers. Wrap
482 results that could be confused with integer constant expressions,
483 null pointer constants or floating-point constants.
484 (c_cast_expr): Update call to groktypename. Handle expressions
485 included in type name.
486 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
487 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
488 Update calls to convert_for_assignment.
489 (convert_for_assignment): Take new parameter
490 null_pointer_constant. Do not strip nops or call
491 decl_constant_value_for_broken_optimization. Set
492 in_late_binary_op for conversions to boolean.
493 (store_init_value): Update call to digest_init.
494 (digest_init): Take new parameter null_pointer_constant. Do not
495 call decl_constant_value_for_broken_optimization. pedwarn for
496 initializers not constant expressions. Update calls to
497 convert_for_assignment.
498 (constructor_nonconst): New.
499 (struct constructor_stack): Add nonconst element.
500 (really_start_incremental_init, push_init_level, pop_init_level):
501 Handle constructor_nonconst and nonconst element.
502 (set_init_index): Call constant_expression_warning for array
504 (output_init_element): Fold value. Set constructor_nonconst as
505 applicable. pedwarn for initializers not constant expressions.
506 Update call to digest_init. Call constant_expression_warning
507 where constant initializers are required.
508 (process_init_element): Use c_save_expr.
509 (c_finish_goto_ptr): Fold expression.
510 (c_finish_return): Fold return value. Update call to
511 convert_for_assignment.
512 (c_start_case): Fold switch expression.
513 (c_process_expr_stmt): Fold expression.
514 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
515 ensure statement expression is not evaluated in constant expression.
516 (build_binary_op): Track whether results are integer constant
517 expressions or may occur in such, disable folding and wrap results
518 as applicable. Fold operands for -Wsign-compare warnings unless
520 (c_objc_common_truthvalue_conversion): Handle results folded to
521 integer constants that are not integer constant expressions.
522 * doc/extend.texi: Document when typeof operands are evaluated,
523 that condition of __builtin_choose_expr is an integer constant
524 expression, and more about use of __builtin_constant_p in
527 2009-03-29 Richard Guenther <rguenther@suse.de>
529 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
530 propagate addresses of array references.
532 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
534 * regmove.c (perhaps_ends_bb_p): Remove.
535 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
536 from INSN and check that the main loop stays within that basic block.
537 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
538 (regmove_forward_pass): Split out from regmove_optimize. Use
539 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
540 (regmove_backward_pass): Split out from regmove_optimize. Use
541 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
542 (regmove_optimize): Simplify.
544 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
547 * config/i386/i386.c (classify_argument): Ignore flexible array
548 member in struct and warn ABI change.
550 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
552 * config/i386/i386-protos.h (ix86_agi_dependent): New.
554 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
555 (ix86_adjust_cost): Updated.
557 2009-03-29 Jan Hubicka <jh@suse.cz>
560 * tree-pass.h (pass_cleanup_eh): New function.
561 (remove_unreachable_regions): Break code handling RTL
562 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
563 that can not be reached by runtime.
564 (can_be_reached_by_runtime): New function.
565 (label_to_region_map): New function.
566 (num_eh_regions): New function.
567 (rtl_remove_unreachable_regions): New function.
568 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
569 (remove_eh_region): New function.
570 * except.h: Include sbitmap and vecprim.
571 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
572 num_eh_regions): Declare.
573 * passes.c (init_optimization_passes): Schedule cleanup_eh.
574 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
575 * tree-eh.c (tree_remove_unreachable_handlers): New function.
576 (tree_empty_eh_handler_p): New function.
577 (cleanup_empty_eh): New function.
578 (cleanup_eh): New function.
579 (pass_cleanup_eh): New function.
581 2009-03-29 Jan Hubicka <jh@suse.cz>
583 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
586 2009-03-29 Jan Hubicka <jh@suse.cz>
588 * except.c (dump_eh_tree): Dump all datastructures.
590 2009-03-29 Jan Hubicka <jh@suse.cz>
592 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
593 (duplicate_eh_regions_1): Likewise.
594 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
595 vector; call EH verification.
596 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
597 Be ready for region being removed.
599 2009-03-29 Jan Hubicka <jh@suse.cz>
601 * bitmap.c (bitmap_last_set_bit): New function.
602 * bitmap.h (bitmap_last_set_bit): Declare.
604 2009-03-29 David Ayers <ayers@fsfe.org>
607 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
608 by calling objc_compare_types and surpress warnings about
609 incompatible C pointers that are compatible ObjC pointers.
611 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
613 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
614 call initialize_inline_failed.
615 (initialize_inline_failed): Move it from here ...
616 * cgraph.c (initialize_inline_failed): ... to here.
617 (cgraph_create_edge): Call initialize_inline_failed rather than
618 setting inline_failed directly.
620 2009-03-29 Ben Elliston <bje@au.ibm.com>
623 * sysv4.opt (msdata): Improve comment.
624 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
625 * sysv4.h (SVR4_ASM_SPEC): Likewise.
627 2009-03-29 Ben Elliston <bje@au.ibm.com>
630 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
631 load and store attributes.
633 2009-03-29 Ben Elliston <bje@au.ibm.com>
635 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
636 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
637 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
638 * doc/extend.texi (X86 Built-in Functions): Add index entries for
639 __builtin_infq and __builtin_huge_valq.
641 2009-03-28 Anatoly Sokolov <aesok@post.ru>
643 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
645 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
646 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
648 2009-03-28 Xinliang David Li <davidxl@google.com>
650 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
651 (do_dbg_cnt): New function.
653 2009-03-28 Jan Hubicka <jh@suse.cz>
655 Merge from pretty-ipa:
657 2009-03-27 Jan Hubicka <jh@suse.cz>
659 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
660 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
661 * passes.c (function_called_by_processed_nodes_p): New.
662 * ipa-pure-const.c (check_call): Fix handling of operands.
663 (analyze_function): Dump debug output for skipped bodies.
664 (local_pure_const): Use function_called_by_processed_nodes_p.
665 * dwarf2out.c (reference_to_unused): Use output.
666 * passes.c (do_per_function_toporder): Likewise.
668 2008-11-12 Jan Hubicka <jh@suse.cz>
670 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
671 * ipa-pure-const.c (funct_state_d): Add can throw field; make
672 state_set_in_source enum
673 (check_decl): Ignore memory tags; do not set fake looping flags;
675 (check_operand, check_tree, check_rhs_var, check_lhs_var,
676 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
677 (check_call, analyze_function): Rewrite.
679 (add_new_function): Update call of analyze_function.
680 (generate_summary): Add call of analyze_function.
681 (propagate): Propagate can_throw; handle state_set_in_source correctly.
682 (local_pure_const): New function.
683 (pass_local_pure_const): New pass.
684 * ipa-inline.c (inline_transform): Set after_inlining.
685 * tree-eh.c (stmt_can_throw_external): New.
686 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
687 work with aliasing built.
688 * tree-flow.h (stmt_can_throw_external): New.
689 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
690 and local pure/const pass in early and late optimization queue.
692 2009-03-28 Martin Jambor <mjambor@suse.cz>
694 * fold-const.c (get_pointer_modulus_and_residue): New parameter
696 (fold_binary): Allow function decl aligment consideration is the
697 second argument is integer constant one.
698 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
699 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
700 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
702 2009-03-28 Jan Hubicka <jh@suse.cz>
704 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
705 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
706 * function.h (rtl_data): Add nothrow flag.
707 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
708 set DECL_NOTHROW for AVAILABLE functions.
710 2009-03-28 Jakub Jelinek <jakub@redhat.com>
712 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
713 following vector keyword has expansion starting with pixel or bool
714 keyword, expand vector to __vector and pixel or bool to __pixel or
718 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
719 warn_if_disallowed_function_p): Removed.
720 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
721 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
722 warning_if_disallowed_function_p.
723 * flags.h (warn_if_disallowed_function_p,
724 warn_disallowed_functions): Removed.
725 * common.opt (Wdisallowed-function-list=): Removed.
726 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
728 2009-03-28 Richard Guenther <rguenther@suse.de>
730 PR tree-optimization/38723
731 * tree-ssa-pre.c (compute_avail): Add all default definitions to
734 2009-03-28 Jan Hubicka <jh@suse.cz>
736 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
737 test introduced by my previous patch.
739 2009-03-28 Richard Guenther <rguenther@suse.de>
741 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
742 the PHIs value undefined.
744 2009-03-28 Jan Hubicka <jh@suse.cz>
746 * tree-pass.h (pass_fixup_cfg): New pass.
747 * ipa-inline.c (inline_transform): Set
748 always_inline_functions_inlined/after_inlining.
749 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
750 (pass_fixup_cfg): New pass.
751 * passes.c (init_optimization_passes): Add fixup_cfg.
753 2009-03-28 Richard Guenther <rguenther@suse.de>
755 PR tree-optimization/38458
756 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
757 argument use the arguments copy-of value.
759 2009-03-28 Richard Guenther <rguenther@suse.de>
761 PR tree-optimization/38180
762 * tree-ssa-ccp.c (get_default_value): Simplify.
763 (likely_value): Likewise.
764 (surely_varying_stmt_p): Properly handle VOP case.
765 (ccp_initialize): Likewise.
766 (ccp_fold): Handle propagating through *&.
767 (fold_const_aggregate_ref): Also handle decls.
769 2009-03-28 Jan Hubicka <jh@suse.cz>
771 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
772 * cgraph.h (cgraph_node): Likewise.
773 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
774 (cgraph_reset_node): Use process flag.
775 (cgraph_mark_functions_to_output): Likewise.
776 (cgraph_expand_function): Likewise.
777 (cgraph_expand_all_functions): Likewise.
778 (cgraph_output_in_order): Likewise.
779 * dwarf2out.c (reference_to_unused): Likewise.
780 * passes.c do_per_function_toporder): Likewise.
782 2009-03-28 Jan Hubicka <jh@suse.cz>
784 Bring from lto-branch:
786 2008-09-03 Doug Kwan <dougkwan@google.com>
788 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
789 enums instead of reason strings.
790 * cgraph.c (cgraph_create_edge): Same.
791 (cgraph_inline_failed_string): New function.
792 * cgraph.h (cgraph_inline_failed_t): New enum type.
793 (cgraph_inline_failed_string): New prototype.
794 (struct cgraph_edge): Change type of INLINED_FAILED from constant
795 char pointer to cgraph_inline_failed_t.
796 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
797 (cgraph_default_inline_p): Ditto.
798 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
799 to cgraph_inline_failed_t pointer.
800 * cif-code.def: New file.
801 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
803 (cgraph_check_inline_limits): Change type of REASON to pointer to
804 cgraph_inline_failed_t. Replace reason strings with enums.
805 (cgraph_default_inline_p): Ditto.
806 (cgraph_recursive_inlining_p): Ditto.
807 (update_caller_keys): Change type of FAILED_REASON to
808 cgraph_inline_failed_t.
809 (cgraph_set_inline_failed): Change type of REASON to pointer to
810 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
811 convert enums to strings for text output.
812 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
813 to be of type cgraph_inline_failed_t. Replace reason strings with
814 enums. Call cgraph_inline_failed_string to covert enums
815 to strings for text output.
816 (cgraph_decide_inlining): Replace reason strings with enums.
817 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
818 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
820 * tree-inline.c (expand_call_inline): Change type of REASON
821 to cgraph_inline_failed_t. Replace reason strings with enums.
822 Call cgraph_inline_failed_string for text output.
823 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
826 2009-03-28 Jan Hubicka <jh@suse.cz>
828 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
829 cgraph_clone_node): Remove master clone handling.
830 (cgraph_is_master_clone, cgraph_master_clone): Remove.
831 * cgraph.h (master_clone): Remove.
832 (cgraph_is_master_clone, cgraph_master_clone): Remove.
833 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
834 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
836 2009-03-28 Jan Hubicka <jh@suse.cz>
838 * cgraph.c (cgraph_function_body_availability): Functions declared
839 inline are always safe to assume that it is not going to be replaced.
841 2009-03-28 Richard Guenther <rguenther@suse.de>
843 PR tree-optimization/38513
844 * tree-ssa-pre.c (eliminate): Remove redundant stores.
845 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
846 EXC_PTR_EXPR and FILTER_EXPR.
847 (get_ref_from_reference_ops): Likewise.
849 2009-03-28 Richard Guenther <rguenther@suse.de>
851 PR tree-optimization/38968
852 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
853 Use FLOOR_MOD_EXPR to compute misalignment.
855 2009-03-28 Richard Guenther <rguenther@suse.de>
857 PR tree-optimization/37795
858 * tree.h (combine_comparisons): Declare.
859 * fold-const.c (combine_comparisons): Export.
860 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
862 (ifcombine_iforif): Use combine_comparisons.
864 2009-03-28 Jan Hubicka <jh@suse.cz>
866 * tree-eh.c (inlinable_call_p): New function.
867 (make_eh_edges): Use it.
868 (verify_eh_edges): Use it.
869 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
870 * except.c (reachable_next_level): Add inlinable_function argument
871 (sjlj_find_directly_reachable_regions): Update.
872 (add_reachable_handler): Do not set saw_any_handlers.
873 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
874 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
875 Add new inlinable call parameter.
876 (can_throw_internal, can_throw_external): Update.
877 * except.h (can_throw_internal_1, can_throw_external_1,
878 foreach_reachable_handler): Update declaration.
880 2009-03-28 Joseph Myers <joseph@codesourcery.com>
882 * config/arm/t-arm-coff, config/h8300/coff.h,
883 config/i386/i386-aout.h, config/i386/i386-coff.h,
884 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
885 config/pdp11/2bsd.h, config/rs6000/aix41.h,
886 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
887 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
888 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
890 * Makefile.in: Remove protoize and fixproto support and references
892 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
893 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
895 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
896 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
898 (rest.encap): Don't depend on $(STMP_FIXPROTO)
899 (.PHONY): Don't depend on proto.
900 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
901 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
902 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
903 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
904 build/gen-protos.o, build/scan.o, xsys-protos.h,
905 build/fix-header$(build_exeext), build/fix-header.o,
906 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
907 stmp-install-fixproto): Remove.
908 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
909 SYSCALLS.c or fixproto files.
910 (install-common): Don't install protoize.
911 (install-headers-tar, install-headers-cpio, install-headers-cp):
912 Don't depend on $(STMP_FIXPROTO).
913 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
914 install fixproto files or write out fixproto settings.
915 (uninstall): Don't uninstall protoize.
916 * config.gcc (use_fixproto): Remove.
917 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
918 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
919 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
920 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
921 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
922 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
923 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
924 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
925 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
926 * config/t-vxworks (STMP_FIXPROTO): Remove.
927 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
928 STMP_FIXPROTO): Remove.
929 * config.in, configure: Regenerate.
930 * crtstuff.c (gid_t, uid_t): Don't undefine.
931 * doc/install.texi: Change m68k-coff to m68k-elf in example.
932 (arm-*-coff, arm-*-aout: Remove target entries.
933 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
934 Remove mention of AIX 4.1.
935 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
936 * doc/invoke.texi (Running Protoize): Remove.
937 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
938 (Protoize Caveats): Remove.
939 * tsystem.h: Update comments on headers assumed to exist.
941 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
943 * genautomata.c: Add a new year to the copyright. Add a new
945 (struct insn_reserv_decl): Add comments for member bypass_list.
946 (find_bypass): Remove.
947 (insert_bypass): New.
948 (process_decls): Use insert_bypass.
949 (output_internal_insn_latency_func): Output all bypasses with the
950 same input insn in one switch case.
952 * rtl.def (define_bypass): Describe bypass choice.
953 * doc/md.texi (define_bypass): Ditto.
955 2009-03-27 Richard Guenther <rguenther@suse.de>
957 * gimplify.c (mark_addressable): Export.
958 * tree-flow.h (mark_addressable): Declare.
959 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
960 * tree-ssa.c (verify_phi_args): Verify that address taken
961 variables have TREE_ADDRESSABLE set.
963 2009-03-27 Richard Guenther <rguenther@suse.de>
965 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
966 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
967 Do not mark decls TREE_ADDRESSABLE.
968 (build_fold_addr_expr): Adjust.
969 (fold_addr_expr): Remove.
970 (fold_unary): Use build_fold_addr_expr.
971 (fold_comparison): Likewise.
972 (split_address_to_core_and_offset): Likewise.
973 * coverage.c (tree_coverage_counter_addr): Mark the array decl
975 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
976 (gimplify_modify_expr_to_memcpy): Mark source and destination
978 * omp-low.c (create_omp_child_function): Mark the object decl
980 (lower_rec_input_clauses): Mark the var we take the address of
982 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
984 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
987 * cfgexpand.c (expand_one_stack_var_at): Change alignment
988 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
990 2009-03-27 Richard Guenther <rguenther@suse.de>
992 PR tree-optimization/39120
993 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
995 (handle_lhs_call): Process return constraints. Add escape
996 constraints if necessary.
997 (handle_const_call): Fill out return constraints. Make nested
998 case more precise. Avoid consttmp if possible.
999 (handle_pure_call): Fill out return constraints. Avoid
1000 callused if possible.
1001 (find_func_aliases): Simplify call handling.
1003 2009-03-27 Richard Guenther <rguenther@suse.de>
1005 PR tree-optimization/39120
1006 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
1007 as a representative.
1008 (solve_graph): Do propagate CALLUSED.
1009 (handle_pure_call): Use a scalar constraint from CALLUSED for
1011 (find_what_p_points_to): CALLUSED shall not appear in poins-to
1014 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1017 * c-common.c (handle_aligned_attribute): Properly check alignment
1018 overflow. Use (1U << i) instead of (1 << i).
1020 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
1022 * expr.h (get_mem_align_offset): Updated.
1024 * tree.h (tree_decl_common): Change align to "unsigned int" and
1025 move it before pointer_alias_set.
1027 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1028 Jakub Jelinek <jakub@redhat.com>
1031 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
1032 gr_register_operand with gr_reg_or_0_operand.
1033 (cmpxchg_rel_di): Likewise.
1034 (sync_lock_test_and_set<mode>): Likewise.
1036 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1038 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
1039 (true_regnum): Likewise.
1041 * rtlanal.c (subreg_info): Moved to ...
1042 * rtl.h (subreg_info): Here. New.
1043 (subreg_get_info): New.
1045 * rtlanal.c (subreg_get_info): Make it extern.
1047 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1050 * config/i386/i386.c (ix86_abi): New.
1051 (override_options): Handle -mabi=.
1052 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
1053 (ix86_call_abi_override): Likewise.
1054 (init_cumulative_args): Likewise.
1055 (function_arg_advance): Likewise.
1056 (function_arg_64): Likewise.
1057 (function_arg): Likewise.
1058 (ix86_pass_by_reference): Likewise.
1059 (ix86_function_value_regno_p): Likewise.
1060 (ix86_build_builtin_va_list_abi): Likewise.
1061 (setup_incoming_varargs_64): Likewise.
1062 (is_va_list_char_pointer): Likewise.
1063 (ix86_init_machine_status): Likewise.
1064 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
1065 (ix86_function_type_abi): Return enum calling_abi. Rewrite
1066 for 64bit. Replace DEFAULT_ABI with ix86_abi.
1067 (ix86_function_abi): Make it static and return enum calling_abi.
1068 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
1070 (ix86_fn_abi_va_list): Updated.
1072 * config/i386/i386.h (ix86_abi): New.
1073 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
1074 (CONDITIONAL_REGISTER_USAGE): Likewise.
1075 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
1076 (machine_function): Likewise.
1078 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
1080 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
1081 (STACK_BOUNDARY): Likewise.
1082 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
1084 * config/i386/i386.opt (mabi=): New.
1086 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
1087 return enum calling_abi.
1088 (ix86_function_type_abi): Likewise.
1089 (ix86_function_abi): Removed.
1091 * doc/invoke.texi: Document -mabi= option for x86.
1093 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1095 * builtins.c (real_dconstp): Delete.
1096 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
1098 2009-03-27 Dodji Seketeli <dodji@redhat.com>
1099 Jakub Jelinek <jakub@redhat.com>
1102 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
1103 (gen_subprogram_die): When a function is explicit, generate the
1104 DW_AT_explicit attribute.
1105 * langhooks.h (struct lang_hooks_for_decls): Add
1106 function_decl_explicit_p langhook.
1107 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
1108 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
1110 2009-03-27 Jakub Jelinek <jakub@redhat.com>
1112 * builtins.c (fold_builtin_memory_op): Optimize memmove
1113 into memcpy if we can prove source and destination don't overlap.
1115 * tree-inline.c: Include gt-tree-inline.h.
1116 (clone_fn_id_num): New variable.
1117 (clone_function_name): New function.
1118 (tree_function_versioning): Use it.
1119 * Makefile.in (GTFILES): Add tree-inline.c.
1121 2009-03-27 Mark Mitchell <mark@codesourcery.com>
1123 * BASE-VER: Change to 4.5.0.
1125 2009-03-27 Xinliang David Li <davidxl@google.com>
1127 PR tree-optimization/39557
1128 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
1130 2009-03-27 Xinliang David Li <davidxl@google.com>
1132 PR tree-optimization/39548
1133 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
1136 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1138 * c-common.c (pointer_int_sum): Use %wd on return from
1141 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1143 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
1144 on return from tree_low_cst.
1146 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
1149 * ginclude/stdarg.h (va_copy): Define also for
1150 __GXX_EXPERIMENTAL_CXX0X__.
1152 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1155 * builtins.h (c_strlen): Do not warn here.
1156 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
1157 * c-common.c (pointer_int_sum): Take an explicit location.
1158 Warn about offsets out of bounds.
1159 * c-common.h (pointer_int_sum): Adjust declaration.
1161 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1163 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
1166 2009-03-26 Jakub Jelinek <jakub@redhat.com>
1169 * opts.c (warn_if_disallowed_function_p): Don't assume
1170 get_callee_fndecl must return non-NULL.
1172 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
1174 PR rtl-optimization/39522
1175 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
1176 when reg_reloaded_valid is set.
1178 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1180 * config/spu/divv2df3.c: New file.
1181 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
1182 (DPBIT_FUNCS): Filter out _div_df.
1184 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
1186 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
1187 a jump insn, count that jump in the distance to the loop start.
1189 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
1192 * config/sh/sh.c (calc_live_regs): Fix condition for global
1193 registers except PIC_OFFSET_TABLE_REGNUM.
1195 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
1198 * doc/invoke.texi (-mconsole): New.
1202 (-mnop-fun-dllimport): New.
1206 (sub section "i386 and x86-64 Windows Options"): New.
1208 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
1210 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
1211 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
1213 2009-03-25 Richard Guenther <rguenther@suse.de>
1216 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
1219 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
1221 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
1222 neither of haifa/selective schedulers are working.
1224 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1226 * doc/invoke.texi (Debugging Options): Fix description of
1227 -fno-merge-debug-strings.
1229 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
1231 * config/cris/libgcc.ver: New version-script.
1232 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
1234 * configure.ac <GAS features, nop mnemonic>: Add pattern
1235 crisv32-*-* for "nop".
1236 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
1237 * configure: Regenerate.
1239 2009-03-24 Ira Rosen <irar@il.ibm.com>
1241 PR tree-optimization/39529
1242 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
1243 mark_sym_for_renaming for the tag copied to the new vector
1246 2009-03-24 Arthur Loiret <aloiret@debian.org>
1248 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
1249 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
1250 EXTRA_SPEC_FUNCTIONS.
1251 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
1252 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
1253 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
1254 -march and -mtune options.
1256 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
1258 * config/m68k/t-rtems: Add m5329 multilib.
1260 2009-03-24 Dodji Seketeli <dodji@redhat.com>
1261 Jakub Jelinek <jakub@redhat.com>
1264 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
1267 2009-03-23 Jakub Jelinek <jakub@redhat.com>
1270 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
1271 instead of c_parser_expression_conv, if original_code isn't one of the
1272 4 allowed comparison codes, fail.
1274 2009-03-23 Richard Guenther <rguenther@suse.de>
1276 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
1277 * tree.h (struct tree_type): Likewise.
1278 * reload.h (struct insn_chain): Likewise.
1279 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
1280 * function.h (struct function): Likewise.
1281 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
1283 2009-03-23 Jakub Jelinek <jakub@redhat.com>
1285 PR tree-optimization/39516
1286 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
1288 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
1290 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
1291 should be set true if BITS_PER_WORD of target is bigger than 32
1293 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
1295 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
1296 Translate -B-options to -rpath-link. Correct existing
1297 rpath-link and conditionalize on !nostdlib.
1299 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1301 * doc/extend.texi (Function Attributes, Variable Attributes):
1303 * doc/invoke.texi (Debugging Options, Optimize Options)
1304 (i386 and x86-64 Options, MCore Options): Likewise.
1306 2009-03-20 Jakub Jelinek <jakub@redhat.com>
1309 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
1310 it for block local namespace aliases.
1311 (gen_decl_die): Pass context_die to gen_namespace_die.
1313 2009-03-19 Jakub Jelinek <jakub@redhat.com>
1316 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
1317 minimum or maximum value.
1319 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
1321 * reginfo.c (globalize_reg): Recompute derived reg sets.
1323 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
1326 * libgcc2.c (mprotect): Do not use signed arguments for
1327 VirtualProtect, use DWORD arguments. Also fix the 'may
1328 be used uninitialized' warning for the np variable.
1330 2009-03-19 Jakub Jelinek <jakub@redhat.com>
1333 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
1334 functions using regparm calling conventions when not optimizing.
1335 (ix86_function_sseregparm): Similarly for sseregparm calling
1338 2009-03-19 Li Feng <nemokingdom@gmail.com>
1341 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
1342 dependence if the first conflict is after niter iterations.
1344 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
1347 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
1348 functions with dynamic stack-pointer adjustments.
1350 2009-03-19 Ben Elliston <bje@au.ibm.com>
1352 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
1353 option; change to -msdata=data.
1355 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1357 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
1360 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
1363 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
1365 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
1367 * doc/invoke.texi (Code Gen Options): Expand discussion of
1370 2009-03-18 Jakub Jelinek <jakub@redhat.com>
1372 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
1373 * matrix-reorg.c (struct matrix_info): Likewise.
1374 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
1375 * rtl.h (struct mem_attrs): Likewise.
1376 * df.h (struct df): Likewise.
1377 * tree-data-ref.h (struct data_dependence_relation): Likewise.
1378 * ira-int.h (struct ira_allocno): Likewise.
1379 * df-scan.c (struct df_collection_rec): Likewise.
1380 * ira.c (struct equivalence): Likewise.
1381 * function.c (struct temp_slot): Likewise.
1382 * cfgloop.h (struct loop): Likewise.
1385 * function.c (use_register_for_decl): When not optimizing, disregard
1386 register keyword for variables with types containing methods.
1388 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
1391 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
1392 (is_simple_operand): Call contains_component_ref_p before calling data
1393 reference analysis that would fail on COMPONENT_REFs.
1395 * tree-vrp.c (search_for_addr_array): Fix formatting.
1397 2009-03-18 Richard Guenther <rguenther@suse.de>
1399 * tree-vect-transform.c (vect_loop_versioning): Fold the
1400 generated comparisons.
1401 * tree-vectorizer.c (set_prologue_iterations): Likewise.
1402 (slpeel_tree_peel_loop_to_edge): Likewise.
1404 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1407 * opts.c (print_specific_help): In addition to `undocumented',
1408 accept `separate' and `joined' flags if passed alone. Describe
1409 output by the first matched one of those.
1410 (common_handle_option): Skip over empty strings.
1411 * gcc.c (display_help): Fix help string for `--help='.
1412 * doc/invoke.texi (Option Summary, Overall Options): With
1413 `--help=', classes and qualifiers can both be repeated, but
1414 only the latter can be negated. One should not pass only
1415 negated qualifiers. Fix markup and examples.
1418 2008-10-14 Jakub Jelinek <jakub@redhat.com>
1420 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
1421 and -fhelp=separate.
1423 2009-03-17 Jing Yu <jingyu@google.com>
1426 * function.h (struct rtl_data): Move is_thunk from here...
1427 (struct function): ...to here.
1428 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
1429 * varasm.c (assemble_start_function): Change is_thunk from crtl to
1431 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
1433 (alpha_does_function_need_gp, alpha_start_function): Likewise.
1434 (alpha_output_function_end_prologue): Likewise.
1435 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
1436 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
1437 (rs6000_output_function_epilogue): Likewise.
1438 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
1440 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
1443 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
1444 from different units in a single alternative.
1445 (*truncdfsf_i387): Ditto.
1446 (*truncxfsf2_mixed): Ditto.
1447 (*truncxfdf2_mixed): Ditto.
1449 2009-03-17 Jakub Jelinek <jakub@redhat.com>
1451 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
1452 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
1455 * tree-ssa-live.c (remove_unused_locals): Don't remove local
1456 unused non-artificial variables when not optimizing.
1459 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
1460 DW_TAG_imported_module even if decl is IMPORTED_DECL with
1461 NAMESPACE_DECL in its DECL_INITIAL.
1464 * optabs.c (set_user_assembler_libfunc): New function.
1465 * expr.h (set_user_assembler_libfunc): New prototype.
1466 * c-common.c: Include libfuncs.h.
1467 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
1468 for memcmp, memset, memcpy, memmove and abort.
1469 * Makefile.in (c-common.o): Depend on libfuncs.h.
1472 * dwarf2out.c (gen_inlined_enumeration_type_die,
1473 gen_inlined_structure_type_die, gen_inlined_union_type_die,
1474 gen_tagged_type_instantiation_die): Removed.
1475 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
1478 2009-03-17 Janis Johnson <janis187@us.ibm.com>
1481 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
1483 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
1484 (check-parallel-%): Ditto.
1485 (check-consistency): Ditto.
1487 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
1489 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
1490 local variable rhs by NULL_TREE.
1492 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1495 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
1497 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1500 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
1502 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
1505 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
1506 for ms->sysv ABI calls only in 64bit mode.
1508 * config/i386/i386.md (untyped_call): Support 32bit.
1510 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
1512 * doc/extend.texi: Replace x86_65 with x86_64.
1514 2009-03-16 Jakub Jelinek <jakub@redhat.com>
1516 PR tree-optimization/39455
1517 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
1518 mismatches for POINTER_TYPE_P (type).
1519 (number_of_iterations_le): Likewise.
1521 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1523 * config/picochip/picochip.c: Removed profiling support.
1524 * config/picochip/picochip.md: Removed profiling instruction.
1525 * config/picochip/picochip.h: Removed profiling builtin.
1527 2009-03-16 Joseph Myers <joseph@codesourcery.com>
1529 * doc/install.texi (--with-host-libstdcxx): Document.
1531 2009-03-14 Anatoly Sokolov <aesok@post.ru>
1534 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
1535 generate a warning if the function name does not begin with
1536 "__vector" and the function has either the 'signal' or 'interrupt'
1537 attribute, from here to ...
1538 (avr_declare_function_name): ...here. New function.
1539 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
1540 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
1542 2009-03-14 Jakub Jelinek <jakub@redhat.com>
1545 * cse.c (fold_rtx): Don't modify original const_arg1 when
1546 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
1547 separate variable instead.
1548 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
1549 from out of range shift counts.
1550 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
1552 2008-03-13 Catherine Moore <clm@codesourcery.com>
1554 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
1555 diagnostic.h with $(DIAGNOSTIC_H).
1557 2008-03-12 Jakub Jelinek <jakub@redhat.com>
1560 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
1562 * config/i386/sync.md (sync_compare_and_swap<mode>,
1563 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
1564 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
1566 (sync_double_compare_and_swapdi_pic,
1567 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
1568 cmpxchg8b_pic_memory_operand instead of just memory_operand.
1570 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1573 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
1575 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1578 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
1579 (avx_addsubv4df3): Likewise.
1580 (*avx_addsubv4sf3): Likewise.
1581 (sse3_addsubv4sf3): Likewise.
1583 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1586 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
1588 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
1591 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
1592 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
1593 registers for allocnos created from user-defined variables.
1595 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1598 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
1599 of non-integer mode as well.
1601 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
1603 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
1604 for functions for which the parameter types are unknown.
1606 2009-03-11 Jakub Jelinek <jakub@redhat.com>
1609 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
1610 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
1611 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
1612 * config/i386/i386.c (ix86_local_alignment): For
1613 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
1614 long long variables on the stack to avoid dynamic realignment.
1615 Allow the first argument to be a decl rather than type.
1616 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
1618 2009-03-11 Nick Clifton <nickc@redhat.com>
1621 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
1623 Add description to mno-lsim option.
1624 * config/mcore/mcore.h: Remove comment about deprecated m4align
1626 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
1627 * doc/invoke.texi: Add description of mno-lsim and
1628 mstack-increment options.
1630 * config/fr30/fr30.opt: Document the -mno-lsim option.
1631 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
1632 and -mno-lsim options.
1634 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1636 * fold-const.c (fold_comparison): Only call fold_inf_compare
1637 if the mode supports infinities.
1639 2009-03-11 Jason Merrill <jason@redhat.com>
1642 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
1643 end already did. Notice GIMPLE_CALL modifications of the result.
1644 Don't copy debug information from an ignored decl or a decl from
1647 2009-03-10 Richard Guenther <rguenther@suse.de>
1648 Nathan Froyd <froydnj@codesourcery.com>
1651 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
1652 (__divMODE3): Likewise.
1654 2009-03-09 Jakub Jelinek <jakub@redhat.com>
1656 PR tree-optimization/39394
1657 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
1658 DECL_SIZE_UNIT of variable length FIELD_DECLs.
1660 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1662 * recog.c (verfiy_changes): Disallow renaming of hard regs in
1663 inline asms for register asm ("") declarations.
1665 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
1667 * fold-const.c (fold_unary): Fix comment.
1669 2009-03-07 Jan Hubicka <jh@suse.cz>
1672 * tree-inline.c (setup_one_parameter): Do replacement of const
1673 argument by constant in SSA form.
1675 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1678 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
1679 determine alignment passed to assign_stack_local.
1680 (assign_parms_unsplit_complex): Likewise.
1681 * except.c (sjlj_build_landing_pads): Likewise.
1683 2009-03-06 Jakub Jelinek <jakub@redhat.com>
1686 * tree-flow.h (add_referenced_var): Return bool instead of void.
1687 * tree-dfa.c (add_referenced_var): Return result of
1688 referenced_var_check_and_insert call.
1689 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
1690 of referenced_var_check_and_insert.
1693 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
1694 (gen_variable_die): Emit DW_AT_location on abstract static variable's
1695 DIE, don't emit it if abstract origin already has it.
1696 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
1697 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
1699 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1701 * genpreds.c (needs_variable): Fix parentheses at variable name
1703 (write_tm_constrs_h): Indent generated code.
1705 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1707 * doc/extend.texi (Function Attributes): Add documentation
1710 2009-03-06 Jakub Jelinek <jakub@redhat.com>
1713 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
1714 take locus from its DECL_SOURCE_LOCATION instead of input_location.
1716 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
1718 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
1721 2009-03-05 Jakub Jelinek <jakub@redhat.com>
1724 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
1725 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
1727 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
1729 * config/i386/i386.md (R8_REG, R9_REG): New constants.
1730 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
1731 constants instead of magic numbers.
1732 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
1734 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
1735 (x86_64_ms_abi_int_parameter_registers): Ditto.
1736 (x86_64_int_return_registers): Ditto.
1737 (ix86_maybe_switch_abi): Ditto.
1738 (ix86_expand_call): Ditto for clobbered_registers array.
1739 (ix86_hard_regno_mode_ok): Ditto.
1740 (x86_extended_QIreg_mentioned_p): Ditto.
1742 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
1744 PR tree-optimization/39349
1745 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
1747 * combine.c (gen_lowpart_for_combine): Use omode when generating
1750 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
1752 PR rtl-optimization/39235
1753 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
1755 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
1757 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
1759 2009-03-04 Richard Guenther <rguenther@suse.de>
1761 PR tree-optimization/39362
1762 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
1763 that occur in abnormal PHIs should be varying.
1765 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
1767 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
1769 (simple_iv): Take loop as an argument instead of statement.
1770 * tree-scalar-evolution.h (simple_iv): Declaration changed.
1771 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
1773 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
1775 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
1776 * matrix-reorg.c (analyze_transpose): Ditto.
1777 * tree-data-ref.c (dr_analyze_innermost): Ditto.
1778 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
1779 * tree-predcom.c (ref_at_iteration): Ditto.
1780 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
1782 2009-03-04 Richard Guenther <rguenther@suse.de>
1784 PR tree-optimization/39358
1785 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
1786 escaped_id and callused_id.
1787 (solve_graph): Likewise.
1789 2009-03-04 Richard Guenther <rguenther@suse.de>
1791 PR tree-optimization/39339
1792 * tree-sra.c (try_instantiate_multiple_fields): Make it
1793 no longer ICE on the above.
1795 2009-03-03 Joseph Myers <joseph@codesourcery.com>
1797 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
1798 that fits within Pmode.
1800 2009-03-03 Steve Ellcey <sje@cup.hp.com>
1803 * tm.texi (LIBCALL_VALUE): Update description.
1805 2009-03-03 Steve Ellcey <sje@cup.hp.com>
1808 * doc/extend.texi (section): Update description.
1810 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
1813 * tree-inline.c (remapped_type): New.
1814 (can_be_nonlocal): Call remapped_type instead of remap_type.
1816 2009-03-03 Jakub Jelinek <jakub@redhat.com>
1819 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
1820 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
1822 2009-03-03 Richard Guenther <rguenther@suse.de>
1825 * tree.c (tree_nonartificial_location): New function.
1826 * tree.h (tree_nonartificial_location): Declare.
1827 * builtins.c (expand_builtin_memory_chk): Provide location
1828 of the call location for artificial function pieces.
1829 (maybe_emit_chk_warning): Likewise.
1830 (maybe_emit_sprintf_chk_warning): Likewise.
1831 (maybe_emit_free_warning): Likewise.
1832 * expr.c (expand_expr_real_1): Likewise.
1834 2009-03-03 Jakub Jelinek <jakub@redhat.com>
1836 PR tree-optimization/39343
1837 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
1838 COMPONENT_REF t has ARRAY_TYPE.
1840 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
1843 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
1844 when the type precision of the induction variable should be
1845 larger than the type precision of nit.
1846 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
1847 * graphite.c (graphite_loop_normal_form): Same.
1848 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
1850 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
1852 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
1853 (*call_1_rex64_ms_sysv): Use named constants instead of magic
1854 numbers to describe clobbered registers.
1855 (*call_value_0_rex64_ms_sysv): Ditto.
1856 * config/i386/mmx.md (mmx_emms): Ditto.
1859 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
1861 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
1864 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1866 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
1867 (spu_section_type_flags): New function.
1869 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
1871 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
1872 reg_class_contents of FLOAT_REGS into a temporary.
1874 2009-03-02 Richard Guenther <rguenther@suse.de>
1875 Ira Rosen <irar@il.ibm.com>
1877 PR tree-optimization/39318
1878 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
1879 information to the vectorized statement.
1881 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
1883 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
1884 variable. Use defined names instead of magic constants for REX SSE
1887 2009-03-01 Richard Guenther <rguenther@suse.de>
1889 PR tree-optimization/39331
1890 * omp-low.c (lower_send_shared_vars): Do not receive new
1891 values for the reference of DECL_BY_REFERENCE parms or results.
1893 2009-03-01 Jan Hubicka <jh@suse.cz>
1896 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
1897 BLOCK_NONLOCALIZED_VAR): New macros.
1898 (tree_block): Add nonlocalized_vars.
1899 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
1900 gen_decl_die): Add origin argument. Allow generation of die with
1901 origin at hand only.
1902 (gen_member_die, gen_type_die_with_usage, force_decl_die,
1903 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
1905 (gen_block_die): Fix checking for unused blocks.
1906 (process_scope_var): Break out from .... ; work with origins only.
1907 (decls_for_scope) ... here; process nonlocalized list.
1908 (dwarf2out_ignore_block): Look for nonlocalized vars.
1909 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
1911 (dump_scope_block): Dump them.
1912 * tree-inline.c (remap_decls): Handle nonlocalized vars.
1913 (remap_block): Likewise.
1914 (can_be_nonlocal): New predicate.
1915 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
1917 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1919 * configure: Regenerate.
1921 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1923 * optc-gen.awk: No need to duplicate option flags twice.
1924 Reuse help texts for duplicate options which do not have any.
1926 * gcc.c (display_help): Document --version.
1928 * gcc.c (main): If print_help_list and verbose_flag, ensure
1929 driver output comes before subprocess output.
1931 * optc-gen.awk: Assign all remaining fields to help string,
1932 space-separated, for multi-line help in *.opt.
1934 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
1935 -Wno-pedantic-ms-format is for MinGW targets only.
1937 * doc/options.texi (Option file format): Fix bad indentation,
1938 restoring dropped sentence.
1940 2009-02-28 Jan Hubicka <jh@suse.cz>
1942 * tree-inline.c (tree_function_versioning): Output debug info.
1944 2009-02-28 Jan Hubicka <jh@suse.cz>
1947 * tree-inline.c (setup_one_parameter): Do not copy propagate
1948 arguments when not optimizing.
1950 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
1953 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
1954 (avx_addsubv4df3): Likewise.
1955 (*avx_addsubv4sf3): Likewise.
1956 (sse3_addsubv4sf3): Likewise.
1957 (*avx_addsubv2df3): Likewise.
1958 (sse3_addsubv2df3): Likewise.
1959 (avx_unpckhps256): Correct item selectors.
1960 (avx_unpcklps256): Likewise.
1961 (avx_unpckhpd256): Likewise.
1962 (avx_unpcklpd256): Likewise.
1964 2009-02-28 Jan Hubicka <jh@suse.cz>
1966 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
1968 (copy_arguments_for_versioning): If var is declared don't declare it.
1969 (tree_function_versioning): First setup substitutions and then copy
1972 2009-02-27 Jan Hubicka <jh@suse.cz>
1975 * cgraph.h (varpool_output_debug_info): Remove.
1976 * cgraphunit.c (varpool_output_debug_info): Remove.
1977 * dwarf2out.c (deferred_locations_struct): New struct
1978 (deferred_locations): New type.
1979 (deferred_locations_list): New static var.
1980 (deffer_location): New function.
1981 (gen_variable_die): Use it.
1982 (decls_for_scope): Output info on local static vars.
1983 (dwarf2out_finish): Process deferred locations.
1984 * varpool.c (varpool_output_debug_info): Remove.
1986 2009-02-27 Jan Hubicka <jh@suse.cz>
1989 * tree.h (TREE_PROTECTED): Fix comment.
1990 (BLOCK_HANDLER_BLOCK): Remove.
1991 (struct tree_block): Remove handler_block add body_block.
1992 (inlined_function_outer_scope_p): New.
1993 (is_body_block): Remove.
1994 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
1995 * dwarf2out.c (is_inlined_entry_point): Remove.
1996 (add_high_low_attributes): Use inlined_function_outer_scope_p.
1997 (gen_block_die): Use is_inlined_entry_point check. Remove body block
1999 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
2000 * gimplify.c (gimplify_expr): Gimplify body blocks.
2001 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
2002 block with multiple subblocks.
2003 (dump_scope_block): Prettier output; dump more flags and info.
2004 (dump_scope_blocks): New.
2005 (remove_unused_locals): Use dump_scope_blocks.
2006 * tree-flow.h (dump_scope_blocks): Declare.
2007 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
2008 * stmt.c (is_body_block): Remove.
2009 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
2010 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
2012 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
2015 * graphite.c (graphite_loop_normal_form): Do not call
2016 number_of_iterations_exit from a gcc_assert.
2018 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2020 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
2021 jumps if COND is NULL.
2022 (find_cond_jump): New function.
2023 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
2024 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
2026 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
2028 * config/alpha/alpha.h (alpha_expand_mov): Return false if
2029 force_const_mem returns NULL_RTX.
2031 2009-02-26 Jan Hubicka <jh@suse.cz>
2034 * cgraph.h (varpool_output_debug_info): Remove.
2035 * cgraphunit.c (varpool_output_debug_info): Remove.
2036 * dwarf2out.c (deferred_locations_struct): New struct
2037 (deferred_locations): New type.
2038 (deferred_locations_list): New static var.
2039 (deffer_location): New function.
2040 (gen_variable_die): Use it.
2041 (decls_for_scope): Output info on local static vars.
2042 (dwarf2out_finish): Process deferred locations.
2043 * varpool.c (varpool_output_debug_info): Remove.
2045 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
2047 PR rtl-optimization/39241
2048 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
2049 to subreg_offset_representable_p.
2051 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
2053 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
2054 execute function prototype. Get f and nregs from max_reg_num
2055 and get_insns. Remove the first backward pass as it's dead,
2056 guard the forward pass by flag_expensive_optimizations.
2057 (rest_of_handle_regmove): Delete.
2058 (pass_regmove): Replace it with regmove_optimize.
2060 2009-02-25 Martin Jambor <mjambor@suse.cz>
2062 PR tree-optimization/39259
2063 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
2064 calls_alloca function flags.
2065 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
2068 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
2070 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
2071 flags_set_1_rtx, flags_set_1_set): Delete.
2072 (regmove_optimize): Do not call mark_flags_life_zones.
2074 2009-02-24 Julian Brown <julian@codesourcery.com>
2077 * config/arm/arm.c (require_pic_register): Only set
2078 cfun->machine->pic_reg once per function.
2080 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
2082 * doc/invoke.texi (Link Options): Document an easier way to pass
2083 options that take arguments to the GNU linker using -Xlinker and -Wl.
2085 2009-02-24 Steve Ellcey <sje@cup.hp.com>
2088 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
2090 2009-02-24 Richard Guenther <rguenther@suse.de>
2093 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
2095 2009-02-24 Richard Guenther <rguenther@suse.de>
2096 Zdenek Dvorak <ook@ucw.cz>
2098 PR tree-optimization/39233
2099 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
2100 from converting them to a generic type.
2102 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
2104 PR tree-optimization/39260
2105 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
2106 contains a condition with a real type.
2107 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
2109 2009-02-23 Jason Merrill <jason@redhat.com>
2112 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
2113 narrowing_initializer_constant_valid_p.
2114 (narrowing_initializer_constant_valid_p): Don't return
2115 null_pointer_node for adding a pointer to itself.
2117 2009-02-23 Jan Hubicka <jh@suse.cz>
2120 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
2123 2009-02-23 Jan Hubicka <jh@suse.cz>
2125 PR tree-optimization/37709
2126 * tree.c (block_ultimate_origin): Move here from dwarf2out.
2127 * tree.h (block_ultimate_origin): Declare.
2128 * dwarf2out.c (block_ultimate_origin): Move to tree.c
2129 * tree-ssa-live.c (remove_unused_scope_block_p):
2130 Eliminate blocks containig no instructions nor live variables nor
2132 (dump_scope_block): New function.
2133 (remove_unused_locals): Enable removal of dead blocks by default;
2134 enable dumping at TDF_DETAILS.
2136 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2138 * config/i386/i386.c (classify_argument): Don't allow COImode
2140 (function_arg_advance_32): Don't allow OImode.
2141 (function_arg_32): Likewise.
2142 (function_value_32): Likewise.
2143 (return_in_memory_32): Likewise.
2144 (function_arg_64): Remove OImode comment.
2146 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2149 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
2150 ix86_expand_vector_set for V4DImode in 64bit mode only.
2151 (ix86_expand_vector_init_one_var): Likewise.
2153 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
2155 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
2157 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
2160 * loop-iv.c: Revert last change.
2161 * emit-rtl.c: Likewise.
2163 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2166 * config/i386/i386.c (type_natural_mode): Remove an extra
2167 space in the warning message.
2168 (function_value_32): Handle 32-byte vector modes.
2169 (return_in_memory_32): Likewise.
2171 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
2173 * loop-iv.c (truncate_value): New function.
2174 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
2176 (lowpart_subreg): Move to...
2177 * emit-rtl.c: ...here.
2179 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
2181 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
2182 accidental and undocumented change at revision 140860.
2184 2009-02-21 Joseph Myers <joseph@codesourcery.com>
2186 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
2187 take gimple_seq * arguments.
2188 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
2189 types_compatible_p langhook.
2191 2009-02-20 Mark Mitchell <mark@codesourcery.com>
2192 Joseph Myers <joseph@codesourcery.com>
2194 * config/arm/arm.c (arm_builtin_va_list): New function.
2195 (arm_expand_builtin_va_start): Likewise.
2196 (arm_gimplify_va_arg_expr): Likewise.
2197 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
2198 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
2199 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
2200 (va_list_type): New variable.
2201 (arm_mangle_type): Mangle va_list_type appropriately.
2203 2009-02-20 Jakub Jelinek <jakub@redhat.com>
2206 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
2207 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
2208 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
2209 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
2210 parameter to 1000 for -O1 by default.
2211 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
2213 * loop-invariant.c: Include params.h.
2214 (move_loop_invariants): Don't call move_single_loop_invariants on
2217 2009-02-20 Jaka Mocnik <jaka@xlab.si>
2219 * calls.c (emit_library_call_value_1): Use slot_offset instead of
2220 offset when calculating bounds for indexing stack_usage_map. Fixes
2221 a buffer overflow with certain target setups.
2223 2009-02-20 Jakub Jelinek <jakub@redhat.com>
2226 * calls.c (expand_call): Clear try_tail_call if caller and callee
2227 disagree in promotion of function return value.
2229 2009-02-19 Jakub Jelinek <jakub@redhat.com>
2232 * c-common.c (c_determine_visibility): If visibility changed and
2233 DECL_RTL has been already set, call make_decl_rtl to update symbol
2236 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
2239 * varasm.c (assemble_variable): Don't check DECL_NAME when
2240 globalizing a variable.
2242 2009-02-19 Joseph Myers <joseph@codesourcery.com>
2245 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
2246 expression before any __builtin_trap call.
2247 * c-typeck.c (build_function_call): Convert and check function
2248 arguments before generating a call to a trap. Evaluate the
2249 function arguments before the trap.
2251 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
2254 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
2255 (UNSPEC_FXAM_MEM): New unspec.
2256 (fxam<mode>2_i387_with_temp): New insn and split pattern.
2257 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
2258 memory using fxam<mode>2_i387_with_temp to remove excess precision.
2260 2009-02-19 Richard Guenther <rguenther@suse.de>
2262 PR tree-optimization/39207
2263 PR tree-optimization/39074
2264 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
2265 storedanything_tree): New.
2266 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
2267 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
2268 (build_succ_graph): Add edges from STOREDANYTHING to all
2270 (init_base_vars): Initialize STOREDANYTHING.
2271 (compute_points_to_sets): Free substitution info after
2272 building the succ graph.
2273 (ipa_pta_execute): Likewise.
2275 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
2277 (do_ds_constraint): Do not add to special var or non-pointer
2279 (type_could_have_pointers): Split out from ...
2280 (could_have_pointers): ... here. For arrays use the element type.
2281 (create_variable_info_for): Initialize may_have_pointers.
2282 (new_var_info): Likewise.
2283 (handle_lhs_call): Make the HEAP variable unknown-sized.
2284 (intra_create_variable_infos): Use a type with pointers for
2285 PARM_NOALIAS, make it unknown-sized.
2287 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
2290 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
2292 2009-02-18 Jason Merrill <jason@redhat.com>
2295 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
2296 value if DECL_EXTERNAL.
2297 * tree-sra.c (sra_walk_gimple_assign): Likewise.
2298 * target.h (gcc_target::binds_local_p): Clarify "module".
2299 * tree.h (TREE_PUBLIC): Clarify "module".
2301 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
2304 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
2305 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
2307 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
2310 * c.opt (Wabi): Support C and ObjC.
2313 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
2315 * config/i386/i386.c (classify_argument): Warn once about the ABI
2316 change when passing union with long double.
2318 * doc/invoke.texi: Update -Wabi for warning psABI changes.
2320 2009-02-18 Joseph Myers <joseph@codesourcery.com>
2323 * c-parser.c (c_parser_compound_statement): Always enter and leave
2326 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2329 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
2331 2009-02-18 Jakub Jelinek <jakub@redhat.com>
2333 PR tree-optimization/36922
2334 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
2335 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
2338 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2340 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
2343 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2345 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
2347 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2349 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
2352 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
2353 Richard Sandiford <rdsandiford@googlemail.com>
2355 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
2356 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
2357 (loongson_biadd): ...this.
2359 2009-02-17 Richard Guenther <rguenther@suse.de>
2361 PR tree-optimization/39202
2362 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
2363 a var make sure to follow existing collapses.
2365 2009-02-17 Richard Guenther <rguenther@suse.de>
2368 * langhooks.c (lhd_print_error_function): Check for NULL block.
2370 2009-02-17 Richard Guenther <rguenther@suse.de>
2372 PR tree-optimization/39204
2373 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
2376 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
2378 * config/soft-fp/double.h: Update from glibc CVS.
2380 2009-02-17 Richard Guenther <rguenther@suse.de>
2382 PR tree-optimization/39207
2383 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
2384 strict-aliasing warnings for pointers pointing to NULL.
2386 2009-02-16 Joseph Myers <joseph@codesourcery.com>
2389 * c-parser.c (c_parser_braced_init): Call pop_init_level when
2390 skipping until next close brace.
2392 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
2395 * config/i386/i386.c (ix86_expand_push): Set memory alignment
2396 to function argument boundary.
2398 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2400 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
2401 in the lea_add. Reload eventually constraints it properly.
2402 * config/picochip/constraints.md : Remove the target constraint
2403 "b", since it is not needed anymore.
2405 2009-02-16 Jakub Jelinek <jakub@redhat.com>
2407 * gthr-dce.h: Uglify function parameter and local variable names.
2408 * gthr-gnat.h: Likewise.
2409 * gthr-mipssde.h: Likewise.
2410 * gthr-nks.h: Likewise.
2411 * gthr-posix95.h: Likewise.
2412 * gthr-posix.h: Likewise.
2413 * gthr-rtems.h: Likewise.
2414 * gthr-single.h: Likewise.
2415 * gthr-solaris.h: Likewise.
2416 * gthr-tpf.h: Likewise.
2417 * gthr-vxworks.h: Likewise.
2418 * gthr-win32.h: Likewise.
2420 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
2423 * config/i386/i386.md: Restrict the new peephole2 to move
2424 between MMX/SSE registers.
2426 2009-02-15 Richard Guenther <rguenther@suse.de>
2429 2009-02-13 Richard Guenther <rguenther@suse.de>
2431 * configure.ac: Enable LFS.
2432 * configure: Re-generate.
2433 * config.in: Likewise.
2435 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2437 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
2438 spu_srqwbyte, spu_srqwbytebc): Define.
2439 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
2440 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
2441 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
2442 "shrqby_<mode>"): New insn-and-split patterns.
2443 * config/spu/spu.c (expand_builtin_args): Determine and return
2444 number of operands using spu_builtin_description data.
2445 (spu_expand_builtin_1): Use it.
2447 2009-02-13 Steve Ellcey <sje@cup.hp.com>
2450 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
2453 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2456 * config/i386/i386.c (override_options): Correct warning
2457 messages for -malign-loops, -malign-jumps and -malign-functions.
2459 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2462 * config/i386/i386.md: Restrict the new peephole2 to move
2463 between the general purpose registers.
2465 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2468 * config/i386/i386.c (type_natural_mode): Add a new argument.
2469 Return the original mode and warn ABI change if vector size is 32byte.
2470 (function_arg_advance): Updated.
2471 (function_arg): Likewise.
2472 (ix86_function_value): Likewise.
2473 (ix86_return_in_memory): Likewise.
2474 (ix86_sol10_return_in_memory): Likewise.
2475 (ix86_gimplify_va_arg): Likewise.
2476 (function_arg_32): Don't warn ABX ABI change here.
2477 (function_arg_64): Likewise.
2479 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
2481 * loop-iv.c (implies_p): In the final case, test that operands 0
2482 of the two comparisons match.
2484 * config/bfin/bfin.c (find_prev_insn_start): New function.
2485 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
2486 (find_next_insn_start): Move.
2488 2009-02-13 Richard Guenther <rguenther@suse.de>
2490 * configure.ac: Enable LFS.
2491 * configure: Re-generate.
2492 * config.in: Likewise.
2494 2009-02-13 Joseph Myers <joseph@codesourcery.com>
2497 * c-parser.c (c_parser_parms_list_declarator): Discard pending
2498 sizes on syntax error after some arguments have been parsed.
2500 2009-02-12 Jakub Jelinek <jakub@redhat.com>
2502 * doc/invoke.texi (-fira): Remove.
2504 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2506 * caller-save.c: Replace regclass.c with reginfo.c in comments.
2507 * recog.c: Likewise.
2510 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
2512 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
2513 (umul_ppmm): Likewise.
2514 (count_leading_zeros): Likewise.
2515 (count_trailing_zeros): Likewise.
2516 (UMUL_TIME): Likewise.
2518 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2520 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
2521 soft-fp/t-softfp to tmake_file.
2523 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
2524 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
2525 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
2526 IA64_BUILTIN_INFQ]: New.
2527 (ia64_init_builtins): Initialize __builtin_infq,
2528 __builtin_fabsq and __builtin_copysignq if not HPUX.
2529 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
2530 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
2532 * config/ia64/lib1funcs.asm (__divtf3): Define only if
2534 (__fixtfti): Likewise.
2535 (__fixunstfti): Likewise.
2536 (__floattitf): Likewise.
2538 * config/ia64/libgcc-glibc.ver: New.
2539 * config/ia64/t-fprules-softfp: Likewise.
2540 * config/ia64/sfp-machine.h: Likewise.
2542 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
2543 (LIBGCC2_TF_CEXT): Likewise.
2544 (TF_SIZE): Likewise.
2545 (TARGET_INIT_LIBFUNCS): Likewise.
2547 * config/ia64/t-glibc (SHLINB_MAPFILES):
2548 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
2550 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
2552 * config/i386/i386.c (construct_container): Rewrite processing
2553 BLKmode with X86_64_SSE_CLASS.
2555 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
2558 * config/i386/i386.md: Replace simplify_replace_rtx with
2559 replace_rtx in the new peephole2.
2561 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
2563 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
2564 loop unrolling do not happen at -O2.
2566 2009-02-12 Michael Matz <matz@suse.de>
2568 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
2570 2009-02-12 Jakub Jelinek <jakub@redhat.com>
2572 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
2575 2009-02-12 Ben Elliston <bje@au.ibm.com>
2577 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
2578 patterns when updating the back chain. Missed in the 2009-02-10
2581 2009-02-11 Janis Johnson <janis187@us.ibm.com>
2583 * doc/extend.texi (Decimal Floating Types): Update identifier of
2584 draft TR and list of missing support.
2586 2009-02-11 Jakub Jelinek <jakub@redhat.com>
2589 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
2590 bit to variable length decl's flags, add it also to its
2591 pointer replacement variable.
2593 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
2594 Jakub Jelinek <jakub@redhat.com>
2597 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
2598 (memory_blockage): New expander.
2599 (*memory_blockage): New insn pattern.
2600 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
2601 instead of general blockage at the end of function prologue when
2602 frame pointer is used to access red zone area. Do not emit blockage
2603 when profiling, it is emitted in generic code.
2604 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
2605 function epilogue when frame pointer is used to access red zone area.
2607 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
2610 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
2611 by arithmetic with memory operands.
2612 * config/i386/predicates.md (commutative_operator): New.
2614 2009-02-10 Janis Johnson <janis187@us.ibm.com>
2616 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
2619 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
2621 * alias.h (record_alias_subset): Declare.
2622 * alias.c (record_alias_subset): Make global.
2624 2009-02-10 Nick Clifton <nickc@redhat.com>
2626 * tree-parloops.c: Change license to GPLv3.
2627 * ipa-struct-reorg.c: Change license to GPLv3.
2628 * ipa-struct-reorg.h: Change license to GPLv3.
2630 2009-02-10 Steve Ellcey <sje@cup.hp.com>
2633 * c-decl.c (start_struct): Return NULL on error.
2635 2009-02-10 Jakub Jelinek <jakub@redhat.com>
2638 * cfgloopmanip.c (remove_path): Call remove_bbs after
2639 cancel_loop_tree, not before it.
2642 * function.h (struct function): Add has_local_explicit_reg_vars bit.
2643 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
2644 VAR_DECLs were seen.
2645 * tree-ssa-live.c (remove_unused_locals): Recompute
2646 cfun->has_local_explicit_reg_vars.
2647 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
2648 copies or clearings if cfun->has_local_explicit_reg_vars.
2650 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
2653 * config/i386/i386.c (expand_prologue): Emit blockage at the end
2654 of function prologue when frame pointer is used to access
2657 2009-02-10 Richard Guenther <rguenther@suse.de>
2660 * gimplify.c (gimple_regimplify_operands): Always look if
2661 we need to create a temporary.
2663 2009-02-10 Richard Guenther <rguenther@suse.de>
2665 PR tree-optimization/39132
2666 * tree-loop-distribution.c (todo): New global var.
2667 (generate_memset_zero): Trigger TODO_rebuild_alias.
2668 (tree_loop_distribution): Return todo.
2670 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
2673 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
2674 (x86_64_reg_class_name): Removed.
2675 (classify_argument): Return 0 if bytes > 32. Return 0 if the
2676 first one isn't X86_64_SSE_CLASS or any other ones aren't
2677 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
2678 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
2679 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
2680 and 3 X86_64_SSEUP_CLASS.
2681 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
2682 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
2684 2009-02-10 Ben Elliston <bje@au.ibm.com>
2686 * config/rs6000/rs6000.md (allocate_stack): Always use an update
2687 form instruction to update the stack back chain word, even if the
2688 user has disabled the generation of update instructions.
2689 (movdi_<mode>_update_stack): New.
2690 (movsi_update_stack): Likewise.
2691 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
2692 always use an update form instruction to update the stack back
2695 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
2698 * graphite.c (if_region_set_false_region): After moving a region in
2699 the false branch of a condition, remove the empty dummy basic block.
2700 (gloog): Remove wrong fix for PR38953.
2702 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2704 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
2705 generation due to implicit sign extension.
2707 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
2710 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
2711 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
2713 2009-02-09 Richard Guenther <rguenther@suse.de>
2716 * convert.c (convert_to_real): Disable (float)fn((double)x)
2717 to fnf(x) conversion if errno differences may occur and
2718 -fmath-errno is set.
2720 2009-02-07 Anatoly Sokolov <aesok@post.ru>
2722 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
2723 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2724 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2726 2009-02-06 Joseph Myers <joseph@codesourcery.com>
2729 * c-common.c (handle_alias_attribute): Disallow attribute for
2730 anything not a FUNCTION_DECL or VAR_DECL.
2732 2009-02-06 Janis Johnson <janis187@us.ibm.com>
2735 * real.c (do_compare): Special-case compare of zero against
2736 decimal float value.
2738 2009-02-06 Joseph Myers <joseph@codesourcery.com>
2741 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
2742 as indicating flexible array members unless the field itself is
2743 being declarared as the incomplete array.
2745 2009-02-06 Jan Hubicka <jh@suse.cz>
2747 PR tree-optimization/38844
2748 * ipa-inline.c (try_inline): Stop inlining recursion when edge
2751 2009-02-06 Richard Guenther <rguenther@suse.de>
2754 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
2755 fork because we may expand it as __gcov_fork.
2757 2009-02-06 Nick Clifton <nickc@redhat.com>
2759 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
2761 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
2763 PR tree-optimization/35659
2764 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
2765 vn_phi_eq): Shortcut if hashcode does not match.
2766 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
2768 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
2769 and avoid iterative_hash_expr.
2770 (FOR_EACH_VALUE_ID_IN_SET): New.
2771 (value_id_compare): Remove.
2772 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
2773 sort expressions by value id.
2775 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
2778 * config/sh/predicates.md (general_movsrc_operand): Don't check
2779 the subreg of system registers here.
2781 2009-02-05 Jakub Jelinek <jakub@redhat.com>
2784 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
2787 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
2789 PR rtl-optimization/39110
2790 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
2791 addresses, not aligned ones.
2793 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
2794 Richard Guenther <rguenther@suse.de>
2796 PR tree-optimization/39100
2797 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
2798 comment says and add edges.
2800 2009-02-05 Joseph Myers <joseph@codesourcery.com>
2803 * c-common.c (handle_tls_model_attribute): Ignore attribute for
2804 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
2806 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
2808 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
2809 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
2810 register_bb_in_sese, new_sese, free_sese): Moved.
2811 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
2812 outermost_loop_in_scop, build_scop_iteration_domain,
2813 expand_scalar_variables_ssa_name, get_vdef_before_scop,
2814 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
2815 Use loop_in_sese_p instead of loop_in_scop_p.
2816 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
2817 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
2818 (scopdet_basic_block_info): Fix bug in scop detection.
2819 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
2820 eq_loop_to_cloog_loop): Remove.
2821 (nb_loops_around_loop_in_scop, nb_loop
2822 ref_nb_loops): Moved here...
2823 * graphite.h (ref_nb_loops): ... from here.
2824 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
2825 (loop_domain_dim, loop_iteration_vector_dim): Remove.
2826 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
2827 * testsuite/gcc.dg/graphite/scop-19.c: New
2829 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
2830 Hans-Peter Nilsson <hp@axis.com>
2832 PR rtl-optimization/37889
2833 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
2834 Move offset handling from PLUS to before the switch. Use new
2835 arguments when considering SYMBOL_REFs too.
2836 (rtx_addr_can_trap_p): Pass dummy offset and size.
2837 (enum may_trap_p_flags): Remove.
2838 (may_trap_p_1): Pass size from MEM_SIZE.
2840 PR rtl-optimization/38921
2841 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
2842 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
2843 * rtlanal.c (may_trap_after_code_motion_p): Delete.
2844 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
2846 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
2848 AVX Programming Reference (January, 2009)
2849 * config/i386/sse.md (*vpclmulqdq): New.
2851 2009-02-04 Jakub Jelinek <jakub@redhat.com>
2853 PR tree-optimization/38977
2854 PR gcov-profile/38292
2855 * calls.c (special_function_p): Disregard __builtin_ prefix.
2857 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
2859 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
2860 non-indexable addresses even before reload.
2862 2009-02-03 Joseph Myers <joseph@codesourcery.com>
2865 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
2866 as having variable size. Do not give an error for unnamed
2867 parameters with [*] declarators. Give a warning for type names
2868 with [*] declarators and mark them as variable size.
2869 * c-parser.c (c_parser_sizeof_expression): Do not give an error
2870 for sizeof applied to [*] type names.
2872 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
2875 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
2877 2009-02-03 Jakub Jelinek <jakub@redhat.com>
2879 * gcc.c (process_command): Update copyright notice dates.
2880 * gcov.c (print_version): Likewise.
2881 * gcov-dump.c (print_version): Likewise.
2882 * mips-tfile.c (main): Likewise.
2883 * mips-tdump.c (main): Likewise.
2885 2009-02-03 Joseph Myers <joseph@codesourcery.com>
2888 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
2889 for composite type involving a zero-length array type.
2891 2009-02-03 Jakub Jelinek <jakub@redhat.com>
2894 * function.c (match_asm_constraints_1): Skip over
2895 initial optional % in the constraint.
2898 * c-parser.c (c_parser_postfix_expression): If fixed point is not
2899 supported, don't accept FIXED_CSTs.
2900 * c-decl.c (finish_declspecs): Error if fixed point is not supported
2901 and _Sat is used without _Fract/_Accum. Set specs->type to
2902 integer_type_node for cts_fract/cts_accum if fixed point is not
2905 2009-02-02 Catherine Moore <clm@codesourcery.com>
2907 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
2909 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
2911 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
2912 (ABI_HAS_64BIT_SYMBOLS): Use it.
2913 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
2915 2009-02-02 Paul Brook <paul@codesourcery.com>
2917 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
2919 2009-02-02 Jakub Jelinek <jakub@redhat.com>
2922 * recog.h (asm_operand_ok): Add constraints argument.
2923 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
2924 recurse on matching constraint.
2925 (check_asm_operands): Pass constraints as 3rd argument to
2926 asm_operand_ok. Don't look up matching constraint here.
2927 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
2930 2009-02-02 Ben Elliston <bje@au.ibm.com>
2932 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
2933 TARGET_NARROW_VOLATILE_BITFIELD macro names.
2935 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2937 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
2938 information. Remove some obsolete information. Reorganize.
2940 * config/pa/fptr.c: Revert license to GPL 2.
2941 * config/pa/milli64.S: Likewise.
2943 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
2946 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
2947 LIBRARY name in, instead of hard-coding it.
2948 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
2949 extra target make frag to tmake_files according to EH model.
2950 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
2951 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
2952 frags that define makefile variable EH_MODEL appropriately.
2953 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
2954 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
2955 to "-sjlj" according to type of EH configured.
2956 (LIBGCC_SONAME): Concatenate it to shared library base name.
2957 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
2958 to "_sjlj" according to type of EH configured.
2959 (LIBGCC_SONAME): Concatenate it to shared library base name.
2960 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
2961 (SHLIB_LINK): Add missing semicolon to if-else construct.
2962 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
2963 string value of "pe_dll" command-line option.
2964 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
2965 (SHLIB_SONAME): Use it when overriding t-cygming default.
2966 (SHLIB_IMPLIB): Override t-cygming default.
2967 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
2968 string value of "pe_dll" command-line option.
2970 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
2973 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
2974 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
2976 2009-01-31 Richard Guenther <rguenther@suse.de>
2978 PR tree-optimization/38937
2979 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
2980 computing the transitive closure.
2982 2009-01-30 Richard Guenther <rguenther@suse.de>
2984 PR tree-optimization/39041
2985 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
2986 Propagate variable indices only if the types match for this stmt.
2988 2009-01-30 Jakub Jelinek <jakub@redhat.com>
2991 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
2992 inline but never defined.
2994 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
2996 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
2997 (*insv_h_di_reg_extimm): New insn.
2998 (*insv_l<mode>_reg_extimm): New insn.
3000 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
3002 * config/picochip/picochip.c (flag_conserve_stack): set
3003 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
3004 fconserve-stack. Reduce call-overhead used by inliner.
3006 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
3009 * common.opt (flag_conserve_stack): Initialised to zero.
3011 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
3014 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
3015 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
3018 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
3020 * ira-color.c (allocno_reload_assign): Update comments.
3021 * regmove.c (regmove_optimize): Likewise.
3025 2009-01-29 Robert Millan <rmh@aybabtu.com>
3027 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
3028 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
3029 `MD_UNWIND_SUPPORT'.
3030 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
3032 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
3034 PR tree-optimization/39007
3035 * tree-loop-distribution.c (generate_builtin): Use
3036 recompute_dominator to compute the immediate dominator of the
3037 basic block just after the loop.
3039 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3041 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
3042 (ASM_OUTPUT_DWARF_PCREL): Define.
3044 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
3046 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
3047 * doc/passes.texi: Remove entries about regclass, local-alloc, and
3048 global. Modify entries about regmove and IRA.
3050 * ra-conflict.c: Remove the file.
3052 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
3054 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
3055 (pass_regclass_init): Rename to pass_reginfo_init.
3057 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
3059 * toplev.h (flag_ira): Remove.
3061 * caller-save.c (setup_save_areas): Remove flag_ira.
3063 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
3065 * global.c: Remove the file.
3067 * opts.c (decode_options): Remove flag_ira.
3069 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
3071 * regmove.c: Modify file description.
3072 (find_use_as_address, try_auto_increment): Define them only if
3073 AUTO_INC_DEC is defined.
3074 (replacement_quality, replace_in_call_usage, fixup_match_1,
3075 stable_and_no_regs_but_for_p): Remove.
3076 (reg_set_in_bb): Make it static.
3077 (regmove_optimize): Remove flag_ira and code which worked for
3080 * local-alloc.c: Remove the file.
3082 * common.opt (fira): Remove.
3084 * ira.c: Include except.h.
3085 (eliminable_regset): Move from global.c.
3086 (mark_elimination): Ditto. Remove flag_ira.
3087 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
3088 equiv_mem_modified, validate_equiv_mem_from_store,
3089 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
3090 contains_replace_regs, memref_referenced_p, memref_used_between_p,
3091 no_equiv, recorded_label_ref): Move from local-alloc.c.
3092 (update_equiv_regs): Ditto. Make it static.
3093 (print_insn_chain, print_insn_chains): Move it from global.c.
3094 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
3095 (build_insn_chain): Ditto. Make it static.
3096 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
3097 Rename to init_live_subregs.
3098 (gate_ira): Remove flag_ira.
3100 * regclass.c: Rename reginfo.c. Change file description.
3101 (FORBIDDEN_INC_DEC_CLASSES): Remove.
3102 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
3103 (init_reg_sets_1): Remove code for evaluation of
3104 reg_class_superclasses and losing_caller_save_reg_set.
3105 (init_regs): Remove init_reg_autoinc.
3106 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
3107 ok_for_base_p_nonstrict): Remove.
3108 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
3109 (pass_regclass_init): Rename to pass_reginfo_init. Modify
3110 corresponding entries.
3111 (dump_regclass, record_operand_costs, scan_one_insn,
3112 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
3113 record_address_regs, auto_inc_dec_reg_p): Remove.
3114 (gt-regclass.h): Rename to gt-reginfo.h.
3116 * rtl.h (dump_global_regs, retry_global_alloc,
3117 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
3119 * Makefile.in (RA_H): Remove.
3120 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
3121 Rename regclass.o to reginfo.o.
3122 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
3124 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
3125 (GTFILES): Rename regclass.c to reginfo.c.
3127 * passes.c (init_optimization_passes): Remove pass_local_alloc and
3128 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
3130 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3131 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
3133 (finish_spills): Ditto. Remove code for !flag_ira.
3135 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3138 * doc/invoke.texi (rtl debug options): Complete rewrite.
3139 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
3141 * mode-switching.c (pass_mode_switching): Rename pass from
3142 "mode-sw" to "mode_sw".
3143 * except.c (pass_convert_to_eh_ranges): Rename pass from
3144 "eh-ranges" to "eh_ranges".
3145 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
3149 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
3150 Alexander Monakov <amonakov@ispras.ru>
3153 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
3155 (move_exprs_to_boundary): Change return type and pass through
3156 should_move from move_op. Relax assert. Update usage ...
3157 (schedule_expr_on_boundary): ... here. Use should_move instead of
3159 (move_op_orig_expr_found): Indicate that insn was disconnected from
3161 (code_motion_process_successors): Do not call after_merge_succs
3162 callback if original expression was not found when traversing any of
3164 (code_motion_path_driver): Change return type. Update prototype.
3165 (move_op): Update comment. Add a new parameter (should_move). Update
3166 prototype. Set *should_move based on indication provided by
3167 move_op_orig_expr_found.
3169 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
3171 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
3172 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
3173 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
3174 * config/rs6000/rs6000.c (rs6000_override_options): Default
3175 avoid-indexed-addresses on for Power6, off for everything else.
3176 (avoiding_indexed_address_p): New function.
3177 (rs6000_legitimize_address): Use it.
3178 (rs6000_legitimate_address): Likewise.
3179 * config/rs6000/rs6000.md (movXX_updateX): Likewise
3181 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
3183 PR tree-optimization/38997
3184 * tree-loop-distribution.c (generate_memset_zero): Use
3185 POINTER_PLUS_EXPR for a pointer addition.
3187 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
3189 * config/s390/s390.md (bswap<mode>2): New pattern added.
3191 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3193 * config/s390/s390.md (*tls_load_31): Added type attribute.
3195 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3197 * config/s390/s390.md: Fix a few comments.
3199 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3201 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
3202 (*tm<mode>_full): Fixed z10prop attribute.
3203 (*tst<mode>_extimm): Fixed z10prop attribute.
3204 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
3205 (*tstqiCCT_cconly): Fixed z10prop attribute.
3206 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
3207 (*movsi_larl): Fixed z10prop attribute.
3208 (*movsi_zarch): Fixed z10prop attribute.
3209 (*movsi_eas): Fixed z10prop attribute.
3210 (*movhi): Fixed z10prop attribute.
3211 (*movqi): Fixed z10prop attribute.
3212 (*movstrictqi): Fixed z10prop attribute.
3213 (*mov<mode>): Fixed z10prop attribute.
3214 (*movcc): Fixed z10prop attribute.
3215 (*sethighpartdi_64): Fixed z10prop attribute.
3216 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
3217 (*negdi2_sign_cc): Fixed z10prop attribute.
3218 (*negdi2_sign): Fixed z10prop attribute.
3219 (*absdi2_sign_cc): Fixed z10prop attribute.
3220 (*absdi2_sign): Fixed z10prop attribute.
3221 (*negabsdi2_sign_cc): Fixed z10prop attribute.
3222 (*negabsdi2_sign): Fixed z10prop attribute.
3223 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
3224 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
3225 (doloop_si64): Fixed z10prop attribute.
3226 (doloop_si31): Fixed z10prop attribute.
3227 (doloop_long): Fixed z10prop attribute.
3228 (indirect_jump): Fixed z10prop attribute.
3229 (nop): Fixed z10prop attribute.
3230 (main_base_64): Fixed z10prop attribute.
3231 (reload_base_64): Fixed z10prop attribute.
3233 2009-01-28 Jakub Jelinek <jakub@redhat.com>
3235 PR rtl-optimization/38740
3236 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
3238 * config/mips/mips.c (mips_reorg): Likewise.
3240 2009-01-28 Richard Guenther <rguenther@suse.de>
3242 PR tree-optimization/38926
3243 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
3244 with the correct value id to a value.
3245 (do_regular_insertion): Use the value number of edoubleprime
3246 for the value number of the expr.
3249 2008-08-21 Richard Guenther <rguenther@suse.de>
3251 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
3252 a PHI ask VN if it is already available.
3253 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
3254 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
3256 2009-01-28 Jakub Jelinek <jakub@redhat.com>
3259 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
3260 set to varying whenever max has TREE_OVERFLOW set, similarly
3261 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
3263 2009-01-28 Richard Guenther <rguenther@suse.de>
3266 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
3267 uninitialized aggregate uses in call arguments.
3269 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
3271 PR tree-optimization/38984
3272 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
3273 the nothing_id variable if -fno-delete-null-pointer-checks.
3275 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
3278 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
3279 (set_got_offset_rex64): Ditto.
3281 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
3284 * doc/extend.texi: Improve local variable with asm reg.
3286 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
3288 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
3289 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
3290 was not supplied then set warn_packed_bitfield_compat to the
3292 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
3295 2009-01-27 Richard Guenther <rguenther@suse.de>
3297 PR tree-optimization/38503
3298 * cfgexpand.c (expand_gimple_basic_block): Ignore
3299 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
3300 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
3301 variables that cannot have TBAA applied.
3302 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
3305 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
3308 * calls.c (initialize_argument_information): Do not wrap complex
3309 arguments in SAVE_EXPR.
3311 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
3313 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
3314 (INSTALL_LIBGCC): Revert typo commit.
3316 2009-01-26 Richard Guenther <rguenther@suse.de>
3318 PR tree-optimization/38745
3319 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
3320 from special handling.
3322 2009-01-26 Richard Guenther <rguenther@suse.de>
3324 PR tree-optimization/38745
3325 * tree-ssa.c (execute_update_addresses_taken): Do not include
3326 variables that cannot possibly be a register in not_reg_needs.
3327 Do not clear TREE_ADDRESSABLE on vars that may not become
3329 * tree-ssa.c (update_alias_info_1): Include those in the set
3330 of addressable vars.
3332 2009-01-26 Richard Guenther <rguenther@suse.de>
3335 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
3336 * tree-ssa-dse.c: Include langhooks.h
3337 (execute_simple_dse): Remove stores with zero size.
3339 2009-01-24 Jakub Jelinek <jakub@redhat.com>
3342 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
3345 2009-01-24 Julian Brown <julian@codesourcery.com>
3347 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
3348 config/arm/linux-atomic.c.
3349 * config/arm/linux-atomic.c: New.
3351 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
3353 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
3354 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
3355 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
3357 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
3360 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
3363 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
3365 PR tree-optimization/38953
3366 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3367 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
3368 (gloog): Split the exit of the scop when the scop exit is a loop exit.
3369 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3372 2009-01-24 Paul Brook <paul@codesourcery.com>
3374 * config/arm/neon.md (neon_type): Move to arm.md.
3375 (neon_mov<VSTRUCT>): Add neon_type attribute.
3376 * config/arm/arm.md (neon_type): Move to here.
3377 (conds): Add "unconditioal" and use as default for NEON insns.
3379 2009-01-24 Ben Elliston <bje@au.ibm.com>
3381 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
3382 void *' warning from -Wc++-compat.
3383 * Makefile.in (dominance.o-warn): Remove.
3385 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
3387 PR tree-optimization/38932
3388 * fold-const.c (fold_unary_ignore_overflow): New.
3389 * tree.h (fold_unary_ignore_overflow): Declare.
3390 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
3391 * tree-ssa-sccvn.c (visit_reference_op_load,
3392 simplify_unary_expression): Likewise.
3394 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
3396 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
3397 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
3398 regardless of their type.
3399 * c-common.c (handle_packed_attribute): Don't ignore packed on
3401 * c.opt (Wpacked-bitfield-compat): New warning option.
3402 * stor-layout.c (place_field): Warn if offset of a field changed.
3403 * doc/extend.texi (packed): Mention the ABI change.
3404 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
3405 (Warning Options): Add it to the list.
3407 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
3409 * c-opts.c (c_common_post_options): Fix a typo in comments.
3411 2009-01-22 Steve Ellcey <sje@cup.hp.com>
3414 * gimplify.c (gimplify_init_constructor): Fix promotion of const
3415 variables to static.
3416 * doc/invoke.texi (-fmerge-all-constants): Update description.
3418 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
3421 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
3422 (*movdi_1_rex64): Use type "mmx" for alternative 5.
3424 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
3426 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
3428 (LOCAL_ALIGNMENT): Similarly.
3430 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
3431 Joseph Myers <joseph@codesourcery.com>
3433 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
3434 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
3435 * config/arm/arm-tune.md: Regenerate.
3436 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
3439 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
3441 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
3442 version number to five.
3444 2009-01-22 Dodji Seketeli <dodji@redhat.com>
3447 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
3448 * c-common.c (set_underlying_type): Likewise.
3449 (is_typedef_decl ): Likewise
3451 (set_underlying_type): Likewise.
3452 (is_typedef_type): Likewise.
3454 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
3457 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
3460 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
3463 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
3464 (LIBGCC_SPEC): Don't define.
3465 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
3467 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
3469 PR rtl-optimization/38879
3470 * alias.c (base_alias_check): Unaligned access via AND address can
3471 alias all surrounding object types except those with sizes equal
3472 or wider than the size of unaligned access.
3474 2009-01-21 Dodji Seketeli <dodji@redhat.com>
3477 * c-decl.c (clone_underlying_type): Move this ...
3478 * c-common.c (set_underlying_type): ... here.
3479 Also, make sure the function properly sets TYPE_STUB_DECL() on
3480 the newly created typedef variant type.
3481 (is_typedef_decl ): New entry point.
3482 * tree.h: Added a new member member_types_needing_access_check to
3483 struct tree_decl_non_common.
3484 (set_underlying_type): New entry point.
3485 (is_typedef_type): Likewise.
3487 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
3489 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
3490 Check whether two instructions have memory references that
3491 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
3492 are helper functions for traversing.
3493 * alias.h (insn_alias_sets_confilict_p): New prototypes.
3494 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
3495 not to draw dependency edge for instructions with non-conflicting
3498 2009-01-20 Joseph Myers <joseph@codesourcery.com>
3501 * longlong.h: Update copyright years. Use soft-fp license notice.
3502 Sync __clz_tab declaration with glibc.
3504 2009-01-20 Steve Ellcey <sje@cup.hp.com>
3507 * doc/extend.texi (syscall_linkage): New.
3508 (version_id): Modify.
3510 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
3511 Richard Guenther <rguenther@suse.de>
3513 PR tree-optimization/38747
3514 PR tree-optimization/38748
3515 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
3516 conversion if the base address is an indirect reference and the
3517 aliasing sets could cause issues.
3519 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
3521 * common.opt (fgraphite, fgraphite-identity): Add comment for
3522 explaining why these options are not documented.
3524 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
3526 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3527 gimple_call_lhs is NULL.
3529 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
3532 * emit-rtl.c (adjust_address_1): Make sure memref is never
3535 2009-01-20 Ben Elliston <bje@au.ibm.com>
3537 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
3538 const qualifier from arg parameter. Remove unnecessary cast to char *.
3539 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
3540 const qualifier from arg 2.
3542 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
3544 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
3546 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
3549 * rtl.h (reinit_regs): New prototype.
3550 * regclass.c: Include ira.h.
3552 * Makefile.in (regclass.o): Add ira.h.
3553 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
3555 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
3558 * c-common.c (handle_aligned_attribute): Use
3559 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
3560 default alignment value.
3562 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
3564 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
3565 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
3567 * doc/extend.texi: Update __attribute__ ((aligned)). Document
3568 __BIGGEST_ALIGNMENT__.
3570 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
3572 2009-01-18 Richard Guenther <rguenther@suse.de>
3574 PR tree-optimization/38819
3575 * tree-flow.h (operation_could_trap_helper_p): Declare.
3576 * tree-eh.c (operation_could_trap_helper_p): Export.
3577 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
3578 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
3579 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
3580 are about to insert a possibly trapping instruction and fail
3583 2009-01-18 Andreas Schwab <schwab@suse.de>
3585 * doc/install.texi (Configuration): Remove obsolete paragraph
3586 about use of --with-gnu-ld with --with-gnu-as.
3588 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
3590 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
3591 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
3592 Follow spelling conventions.
3594 2009-01-18 Ben Elliston <bje@au.ibm.com>
3596 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
3597 C++ warning about implicit conversion from void * to struct
3599 (bitmap_obstack_free): Likewise for bitmap_element *.
3600 * Makefile.in (bitmap.o-warn): Remove.
3602 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
3604 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
3606 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
3607 Tobias Grosser <tobi.grosser@amd.com>
3609 * graphite.c (graphite_trans_scop_block): Do not block single
3612 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
3614 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
3615 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
3616 test with assertion.
3618 2009-01-16 Richard Guenther <rguenther@suse.de>
3620 PR tree-optimization/38835
3622 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
3623 and INT + PTR -> (INT)(PTR p+ INT) folding.
3624 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
3626 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
3629 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
3630 the subreg from a lowpart subreg if it is also casting the value.
3632 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
3633 Tobias Grosser <tobi.grosser@amd.com>
3635 * graphite.c (compare_prefix_loops): New.
3636 (build_scop_canonical_schedules): Rewritten.
3637 (graphite_transform_loops): Move build_scop_canonical_schedules
3638 after build_scop_iteration_domain.
3640 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
3641 Tobias Grosser <tobi.grosser@amd.com>
3643 * graphite.c (add_conditions_to_domain): Add the loops to
3644 the dimension of the iteration domain. Do copy the domain
3645 only when it exists.
3646 (build_scop_conditions_1): Do not call add_conditions_to_domain.
3647 (add_conditions_to_constraints): New.
3648 (can_generate_code_stmt, can_generate_code): Removed.
3649 (gloog): Do not call can_generate_code.
3650 (graphite_transform_loops): Call add_conditions_to_constraints
3651 after building the iteration domain.
3653 2009-01-16 Jakub Jelinek <jakub@redhat.com>
3655 PR tree-optimization/38789
3656 * tree-ssa-threadedge.c
3657 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
3658 __builtin_constant_p.
3660 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
3662 * dce.c (delete_unmarked_insns): Reversed the order that insns are
3663 examined before deleting them.
3665 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
3667 * function.c (aggregate_value_p): Correctly extract the function
3668 type from CALL_EXPR_FN lookup.
3670 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3672 * config/picochip/picochip.c (picochip_override_options): Revert
3673 CFI asm flag disable commited previously.
3675 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
3676 Tobias Grosser <tobi.grosser@amd.com>
3677 Jan Sjodin <jan.sjodin@amd.com>
3679 * graphite.c (scan_tree_for_params): On substractions negate
3680 all the coefficients of the term.
3681 (clast_to_gcc_expression_red): New. Handle reduction expressions
3682 of more than two operands.
3683 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3684 (get_vdef_before_scop): Handle also the case of default definitions.
3686 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3688 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
3689 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
3690 Also use them when walking CALL_INSN_FUNCTION_USAGE.
3692 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
3693 Joey Ye <joey.ye@intel.com>
3696 * cfgexpand.c (expand_stack_alignment): Don't update stack
3697 boundary nor check incoming stack boundary here.
3698 (gimple_expand_cfg): Update stack boundary and check incoming
3699 stack boundary here.
3701 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
3703 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
3705 2009-01-14 Jakub Jelinek <jakub@redhat.com>
3707 PR rtl-optimization/38245
3708 * calls.c (expand_call): Add stack arguments to
3709 CALL_INSN_FUNCTION_USAGE even for pure calls (when
3710 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
3711 in regs and partially in memory or BLKmode arguments.
3712 (emit_library_call_value_1): Add stack arguments to
3713 CALL_INSN_FUNCTION_USAGE even for pure calls (when
3714 ACCUMULATE_OUTGOING_ARGS).
3715 * dce.c: Include tm_p.h.
3716 (find_call_stack_args): New function.
3717 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
3719 (mark_insn): Call find_call_stack_args for CALL_Ps.
3720 (prescan_insns_for_dce): Walk insns backwards in bb rather than
3721 forwards. Allocate and free arg_stores bitmap if needed, pass it
3722 down to deletable_insn_p, don't mark stores set in arg_stores
3723 bitmap, clear the bitmap at the beginning of each bb.
3724 * Makefile.in (dce.o): Depend on $(TM_P_H).
3726 2009-01-14 Michael Meissner <gnu@the-meissners.org>
3729 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
3730 to make sure the insn is a conditional test (bug 22599). Reformat a
3733 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
3736 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3737 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3738 (gloog): Do not call cleanup_tree_cfg.
3739 (graphite_transform_loops): Call cleanup_tree_cfg after all
3740 scops have been code generated.
3742 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
3743 * doc/gty.texi (Invoking the garbage collector): Added new node
3744 and section documenting ggc_collect.
3746 2009-01-14 Richard Guenther <rguenther@suse.de>
3748 PR tree-optimization/38826
3750 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
3751 initialization notes only if we actually emitted a warning.
3752 (intra_create_variable_infos): Add constraints for a result decl
3753 that is passed by hidden reference.
3754 (build_pred_graph): Mark all related variables non-direct on
3757 2009-01-14 Nick Clifton <nickc@redhat.com>
3759 * ira-conflicts.c: Include addresses.h for the definition of
3761 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
3762 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
3764 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
3767 * Makefile.in (ira-lives.o): Add except.h.
3769 * ira-lives.c: Include except.h.
3770 (process_bb_node_lives): Process can_throw_internal.
3772 2009-01-13 Jakub Jelinek <jakub@redhat.com>
3774 PR rtl-optimization/38774
3775 * combine.c (simplify_set): When undoing cc_use change, don't do
3776 PUT_CODE on the newly created comparison, but instead put back the
3779 2009-01-13 Joseph Myers <joseph@codesourcery.com>
3781 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
3782 values. Remove duplicate arm8 entry.
3784 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
3786 PR tree-optimization/38786
3787 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3788 the SSA_NAME case of expand_scalar_variables_expr.
3789 Set the type of an expression to the type of its assign statement.
3790 (expand_scalar_variables_expr): Also gather the scalar computation
3791 used to index the memory access. Do not pass loop_p.
3792 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
3793 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3794 the gimple_stmt_iterator where it inserts new code.
3796 (copy_bb_and_scalar_dependences): Do not pass loop_p.
3797 (translate_clast): Update call to copy_bb_and_scalar_dependences.
3799 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
3801 * graphite.h (debug_value): Removed.
3802 * graphite.c (debug_value): Removed.
3804 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
3806 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
3807 ldrd/strd with two 32-bit instructions.
3809 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
3811 * config/arm/arm.c (struct processors): Pass for speed down into
3812 cost helper functions.
3813 (const_ok_for_op): Handle COMPARE and inequality nodes.
3814 (arm_rtx_costs_1): Rewrite.
3815 (arm_size_rtx_costs): Update prototype.
3816 (arm_rtx_costs): Pass speed down to helper functions.
3817 (arm_slowmul_rtx_costs): Rework cost calculations.
3818 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
3819 (arm_9e_rtx_costs): Likewise.
3821 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
3823 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
3824 relocations of local symbols wider than UNITS_PER_WORD are not valid.
3825 (alpha_legitimize_address): Do not split local symbols wider than
3826 UNITS_PER_WORD into HIGH/LO_SUM parts.
3828 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
3831 * gcc.c (process_command): Replace call to execvp with calls
3832 to pex_one and exit.
3834 2009-01-03 Anatoly Sokolov <aesok@post.ru>
3837 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
3838 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
3839 variant for devices with 3-byte PC.
3840 (__tablejump_elpm__): New.
3842 2009-01-12 Jakub Jelinek <jakub@redhat.com>
3845 * c-parser.c (c_parser_postfix_expression): Allow `->' in
3846 offsetof member-designator, handle it as `[0].'.
3848 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3850 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
3851 function when not using named sections on targets with named sections
3852 if branch distance is less than 262132.
3854 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
3856 * combine.c (combine_instructions): Recompute
3857 optimize_this_for_speed_p for each BB in the main combine loop.
3859 2009-01-12 Tomas Bily <tbily@suse.cz>
3862 * tree-loop-distribution.c (prop_phis): New function.
3863 (generate_builtin): Call prop_phis.
3864 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
3866 2009-01-12 Jakub Jelinek <jakub@redhat.com>
3868 PR tree-optimization/38807
3869 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
3870 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
3872 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
3874 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
3875 subreg of op0 to the original op0.
3877 2009-01-11 Laurent GUERBY <laurent@guerby.net>
3879 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
3881 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
3884 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
3885 starting with digits.
3887 2009-01-10 Jakub Jelinek <jakub@redhat.com>
3890 * config/arm/arm.c (arm_is_long_call_p): Don't call
3891 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
3893 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
3895 * regrename.c (regrename_optimize): Fix dumping.
3896 (find_oldest_value_reg): Preserve REG_POINTER.
3897 (copy_hardreg_forward_1): Likewise.
3899 2009-01-09 Diego Novillo <dnovillo@google.com>
3901 * gimple.h (struct gimple_statement_base) <uid>: Document
3902 the restrictions on its use.
3904 (gimple_set_uid): Tidy.
3906 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3908 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
3909 zero guard even if align_bytes != 0 and count is smaller than
3912 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
3914 PR rtl-optimization/38495
3915 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
3916 (add_range_and_copies_from_move_list): Print all added ranges.
3917 Add ranges to memory optimized destination.
3919 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3923 * config/i386/i386.c (override_options): Reject
3924 -mstringop-strategy=rep_8byte with -m32.
3925 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
3926 to 1. Do count comparison against epilogue_size_needed at compile
3927 time even when count_exp was constant forced into register. For
3928 size_needed don't jump to epilogue, instead just avoid aligning
3929 and invoke the body algorithm. If need_zero_guard, add zero guard
3930 even if count is non-zero, but smaller than size_needed + number of
3931 bytes that could be stored for alignment.
3932 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
3933 to 1. If need_zero_guard, add zero guard even if count is non-zero,
3934 but smaller than size_needed + number of bytes that could be stored
3935 for alignment. Compare size_needed with epilogue_size_needed instead
3936 of desired_align - align, don't adjust size_needed, pass
3937 epilogue_size_needed to the epilogue expanders.
3940 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
3942 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3944 * pa.c (last_address): Change to unsigned.
3945 (update_total_code_bytes): Change argument to unsigned. Don't
3946 check if insn addresses are set.
3947 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
3948 addresses are not set.
3949 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
3951 2009-01-09 Nick Clifton <nickc@redhat.com>
3953 * config/sh/symbian.c: Replace uses of DECL_INLINE with
3954 DECL_DECLARED_INLINE_P.
3956 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3959 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
3960 GET_MODE (op0) in operand_subword_force calls.
3963 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
3964 fold_convert arg0 operands to TREE_TYPE (op0) first.
3966 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
3968 * params.def (ira-max-conflict-table-size): Decrease default value
3971 2009-01-08 Jakub Jelinek <jakub@redhat.com>
3973 PR tree-optimization/37031
3974 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
3976 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
3977 allocate it using gc instead of heap, use VEC_quick_push instead of
3979 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
3980 instead of heap, use VEC_quick_push instead of VEC_safe_push.
3981 * tree-data-ref.h (struct access_matrix): Change matrix to gc
3982 allocated vector from heap allocated.
3983 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
3984 * tree-loop-linear.c (linear_transform_loops): Allocate nest
3985 vector only after perfect_loop_nest_depth call.
3987 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
3988 Jan Sjodin <jan.sjodin@amd.com>
3990 PR tree-optimization/38559
3991 * graphite.c (debug_value, copy_constraint,
3992 swap_constraint_variables, scale_constraint_variable, ): New.
3993 (get_lower_bound, get_upper_bound): Removed.
3994 (graphite_trans_bb_strip_mine): Clean up this code that works
3995 only for constant number of iterations. Fully copy upper and
3996 lower bound constraints, not only the constant part of them.
3997 * graphite.h (debug_value): Declared.
3999 2009-01-08 Ira Rosen <irar@il.ibm.com>
4001 PR tree-optimization/37194
4002 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
4003 Don't add the cost of cost model guard in prologue to scalar
4004 outside cost in case of known number of iterations.
4006 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
4007 Alan Modra <amodra@bigpond.net.au>
4009 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
4010 non-word-aligned REG+CONST addressing.
4012 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
4015 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
4016 free_after_compilation when outputting a thunk.
4017 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
4018 Do not call free_after_compilation here.
4020 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
4022 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
4023 (ix86_valid_target_attribute_inner_p): Ditto.
4025 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
4027 PR tree-optimization/38492
4028 PR tree-optimization/38498
4029 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
4030 * tree-chrec.h (scev_is_linear_expression): Declared.
4031 * graphite.c (graphite_cannot_represent_loop_niter): New.
4032 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
4033 (graphite_loop_normal_form): Use gcc_assert.
4034 (scan_tree_for_params): Use CASE_CONVERT.
4035 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
4036 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
4037 Use gcc_assert. Discard scops that contain unhandled cases.
4038 (build_scop_conditions): Return a boolean status for unhandled cases.
4039 (strip_mine_profitable_p): Print the loop number, not its depth.
4040 (is_interchange_valid): Pass the depth of the loop nest, don't
4041 recompute it wrongly.
4042 (graphite_trans_bb_block): Same.
4043 (graphite_trans_bb_block): Print tentative of loop blocking.
4044 (graphite_trans_scop_block): Do not print that the loop has been
4046 (graphite_transform_loops): Do not handle scops that contain condition
4049 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
4051 AVX Programming Reference (December, 2008)
4052 * config/i386/avxintrin.h (_mm256_stream_si256): New.
4053 (_mm256_stream_pd): Likewise.
4054 (_mm256_stream_ps): Likewise.
4056 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
4057 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
4058 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
4059 (bdesc_special_args): Add __builtin_ia32_movntdq256,
4060 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
4061 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
4062 (ix86_expand_special_args_builtin): Likewise.
4064 * config/i386/sse.md (AVXMODEDI): New.
4065 (avx_movnt<mode>): Likewise.
4066 (avx_movnt<mode>): Likewise.
4067 (<sse>_movnt<mode>): Remove AVX support.
4068 (sse2_movntv2di): Likewise.
4070 2009-01-07 Richard Guenther <rguenther@suse.de>
4073 * fold-const.c (extract_muldiv): Remove obsolete comment.
4074 (fold_plusminus_mult_expr): Undo MINUS_EXPR
4075 to PLUS_EXPR canonicalization for the canonicalization.
4077 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
4079 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
4080 hosted cross-compilers generating less efficient code.
4082 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
4084 * function.h (rtl_data): Add a dbr_scheduled_p field.
4085 * reorg.c (dbr_schedule): Set it.
4086 (gate_handle_delay_slots): Check it.
4087 * config/mips/mips.c (mips_base_delayed_branch): Delete.
4088 (mips_reorg): Check flag_delayed_branch instead of
4089 mips_base_delayed_branch.
4090 (mips_override_options): Don't set mips_base_delayed_branch
4091 or flag_delayed_branch.
4093 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
4095 PR rtl-optimization/38426.
4096 * ira.c (ira): Set current_function_is_leaf earlier.
4098 2009-01-06 Jakub Jelinek <jakub@redhat.com>
4100 PR rtl-optimization/38722
4101 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
4102 too early, only set a flag and modify after last possible
4105 2009-01-06 Janis Johnson <janis187@us.ibm.com>
4108 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
4109 * real.c (decimal_single_format): Correct values of emin and emax.
4110 (decimal_double_format): Ditto.
4111 (decimal_quad_format): Ditto.
4112 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
4113 computation of DECnn_MIN and DECnn_MAX for corrected values of
4114 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
4115 __DECnn_MIN__, and adjust its computation for the corrected value
4118 2009-01-06 Jan Hubicka <jh@suse.cz>
4121 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
4123 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
4125 * doc/contrib.texi (Contributors): Slightly adjust the end note.
4126 Add Robert Clark to the list of testers.
4128 2009-01-06 Jan Hubicka <jh@suse.cz>
4129 Kai Tietz <kai.tietz@onevision.com>
4131 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
4132 * config/i386/i386.c (ix86_expand_call): Add clobbers.
4134 2009-01-06 Jan Hubicka <jh@suse.cz>
4135 Kai Tietz <kai.tietz@onevision.com>
4137 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
4139 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
4140 (ix86_nsaved_regs): Count only general purpose regs.
4141 (ix86_nsaved_sseregs): New.
4142 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
4143 to 16 for w64; compute padding and size of sse reg save area.
4144 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
4145 general purpose regs.
4146 (ix86_emit_save_sse_regs_using_mov): New.
4147 (ix86_expand_prologue): Save SSE regs if needed.
4148 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
4149 (ix86_emit_restore_sse_regs_using_mov): New.
4150 (ix86_expand_epilogue): Save SSE regs if needed.
4152 2009-01-06 Jan Hubicka <jh@suse.cz>
4153 Kai Tietz <kai.tietz@onevision.com>
4155 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
4156 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
4157 functions when accumulate outgoing args is off.
4159 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
4162 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
4163 before using pseudos_have_intersected_live_ranges_p.
4165 * ira-int.h (ira_assert): Always define.
4167 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
4169 AVX Programming Reference (December, 2008)
4170 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
4171 (_mm256_permute2_pd): Likewise.
4172 (_mm_permute2_ps): Likewise.
4173 (_mm256_permute2_ps): Likewise.
4174 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
4175 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
4177 * config/i386/i386.c (ix86_builtins): Remove
4178 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
4179 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
4180 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
4181 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
4182 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
4183 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
4184 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
4185 __builtin_ia32_vpermil2ps256.
4186 (ix86_init_mmx_sse_builtins): Updated.
4187 (ix86_expand_args_builtin): Likewise.
4189 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4191 * pa.c (output_call): Relocate non-jump insns in the delay slot of
4192 long absolute calls when generating PA 2.0 code.
4194 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
4196 PR rtl-optimization/38583
4197 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
4199 * params.def (ira-max-conflict-table-size): New.
4201 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
4203 * ira.h (ira_conflicts_p): New external definition.
4205 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
4206 table. Report this. Return result of building.
4207 (ira_build_conflicts): Use ira_conflicts_p. Check result of
4208 building conflict table.
4210 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
4211 (ira_color): Use ira_conflicts_p.
4213 * global.c: Include ira.h.
4214 (pseudo_for_reload_consideration_p, build_insn_chain): Use
4217 * Makefile.in (global.o): Add ira.h.
4219 * ira-build.c (mark_all_loops_for_removal,
4220 propagate_some_info_from_allocno): New.
4221 (remove_unnecessary_allocnos): Call
4222 propagate_some_info_from_allocno.
4223 (remove_low_level_allocnos): New.
4224 (remove_unnecessary_regions): Add parameter. Call
4225 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
4226 parameter to remove_unnecessary_regions.
4227 (ira_build): Remove all regions but root if the conflict table was
4228 not built. Update conflict hard regs for allocnos crossing calls.
4230 * ira.c (ira_conflicts_p): New global.
4231 (ira): Define and use ira_conflicts_p.
4233 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
4234 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
4235 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
4237 2009-01-06 Ben Elliston <bje@au.ibm.com>
4239 * gengtype-lex.l (YY_NO_INPUT): Define.
4241 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
4244 * c-common.c (handle_vector_size_attribute): Also reject
4247 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
4249 PR tree-optimization/38492
4250 * graphite.c (rename_map_elt, debug_rename_elt,
4251 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4252 rename_map_elt_info, eq_rename_map_elts,
4253 get_new_name_from_old_name, bb_in_sese_p): Moved around.
4254 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4255 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4256 (sese_build_livein_liveouts): New.
4257 (new_sese, free_sese): New.
4258 (new_scop): Call new_sese.
4259 (free_scop): Call free_sese.
4260 (rename_variables_from_edge, rename_phis_end_scop): Removed.
4261 (register_old_new_names): Renamed register_old_and_new_names.
4262 (register_scop_liveout_renames, add_loop_exit_phis,
4263 insert_loop_close_phis, struct igp,
4264 default_liveout_before_guard, add_guard_exit_phis,
4265 insert_guard_phis, copy_renames): New.
4266 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4267 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4268 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4269 (scop_adjust_phis_for_liveouts): New.
4270 (gloog): Call scop_adjust_phis_for_liveouts.
4272 * graphite.h (struct sese): Documented. Added fields liveout,
4274 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4275 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4276 (struct scop): Added field liveout_renames.
4277 (SCOP_LIVEOUT_RENAMES): New.
4279 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
4281 PR tree-optimization/38510
4282 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4283 (translate_clast): Call recompute_all_dominators before
4285 (gloog): Call recompute_all_dominators before graphite_verify.
4287 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
4288 Jan Sjodin <jan.sjodin@amd.com>
4290 PR tree-optimization/38500
4291 * graphite.c (create_sese_edges): Call fix_loop_structure after
4294 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
4296 * config.gcc: Add m32r*-*-rtems*.
4297 * config/m32r/rtems.h: New file.
4299 2009-01-05 Ben Elliston <bje@au.ibm.com>
4301 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
4302 (.po.pox): Likewise.
4303 (po/gcc.pot): Likewise.
4305 2009-01-04 David S. Miller <davem@davemloft.net>
4307 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
4308 (STARTING_FRAME_OFFSET): Always set to zero.
4310 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
4312 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
4313 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
4314 fixed-point types, and vectors of the same.
4316 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
4318 * config/mips/sync.md (*mb_barrier): Rename to...
4319 (*memory_barrier): ...this.
4321 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
4323 * doc/extend.texi (Function Attributes): Move @cindex after @item
4324 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
4325 and put in alphabetical order. Fix 'target' name and put in order.
4326 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
4329 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
4331 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
4332 (memory_barrier): Expand as unspec instead of unspec_volatile.
4333 Remove mem:BLK from insn operands. Use Pmode scratch register.
4334 (*memory_barrier): Define as unspec instead of unspec_volatile.
4335 Use (match_dup 0) as input operand.
4337 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
4338 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
4339 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
4340 scratch register. Remove operand 1.
4341 (*stbar): Define as unspec instead of unspec_volatile.
4342 Use (match_dup 0) as input operand, remove (const_int 8).
4343 (*membar): Define as unspec instead of unspec_volatile.
4344 Use (match_dup 0) as input operand, remove input operand 2.
4346 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
4347 (memory_barrier): Expand as unspec instead of unspec_volatile.
4348 Remove mem:BLK from insn operands. Use Pmode scratch register.
4349 (*memory_barrier): Define as unspec instead of unspec_volatile.
4350 Use (match_dup 0) as input operand.
4352 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
4353 Remove mem:BLK from insn operands. Use Pmode scratch register.
4354 Set volatile flag on operand 0.
4355 (*memory_barrier): New insn pattern.
4357 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
4359 (*memory_barrier): Use (match_dup 0) as input operand.
4361 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
4362 Remove mem:BLK from insn operands. Use Pmode scratch register.
4363 Set volatile flag on operand 0.
4364 (*mb_internal): New insn pattern.
4366 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
4368 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
4371 * function.c (struct temp_slot): Move to the section of the file
4372 that deals with temp slots. Remove field 'address'.
4373 (temp_slot_address_table): New hash table of address -> temp slot.
4374 (struct temp_slot_address_entry): New struct, items for the table.
4375 (temp_slot_address_compute_hash, temp_slot_address_hash,
4376 temp_slot_address_eq, insert_temp_slot_address): Support functions
4378 (find_temp_slot_from_address): Rewrite to use the new hash table.
4379 (remove_unused_temp_slot_addresses): Remove addresses of temp
4380 slots that have been made available.
4381 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
4382 worker function for remove_unused_temp_slot_addresses.
4383 (assign_stack_temp_for_type): Don't clear the temp slot address list.
4384 Add the temp slot address to the address -> temp slot map.
4385 (update_temp_slot_address): Update via insert_temp_slot_address.
4386 (free_temp_slots): Call remove_unused_temp_slot_addresses.
4387 (pop_temp_slots): Likewise.
4388 (init_temp_slots): Allocate the address -> temp slot map, or empty
4389 the map if it is already allocated.
4390 (prepare_function_start): Initialize temp slot processing.
4392 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
4395 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
4396 Calculate the size of all stack vars assuming no packing of stack
4397 vars will happen, replacing a quadratic algorithm with a linear one.
4399 2009-01-03 Jakub Jelinek <jakub@redhat.com>
4402 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
4405 2009-01-03 Diego Novillo <dnovillo@google.com>
4407 * doc/contrib.texi: Update contributions.
4409 2009-01-03 Jakub Jelinek <jakub@redhat.com>
4412 * builtins.c (fold_builtin_memory_op): Give up if either operand
4413 is volatile. Set srctype or desttype to non-qualified version
4417 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
4420 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
4422 PR rtl-optimization/35805
4423 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
4424 problem if fast dce is able to remove any instructions.
4425 * dce.c (dce_process_block): Fix dump message.
4427 2009-01-02 Mark Mitchell <mark@codesourcery.com>
4430 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
4432 2009-01-02 Jakub Jelinek <jakub@redhat.com>
4435 * tree-flow.h (op_code_prio, op_prio): New prototypes.
4436 * tree-pretty-print.c (op_code_prio): New function.
4437 (op_prio): No longer static. Use op_code_prio.
4438 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
4439 Use op_prio and op_code_prio to determine if () should be
4440 printed around operand(s) or not.
4442 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
4443 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
4444 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
4445 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
4446 pp_character instead of pp_string for single letter printing.
4448 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4450 * doc/extend.texi: Fix '#pragma GCC option' typo.
4452 2009-01-02 Richard Guenther <rguenther@suse.de>
4454 * doc/install.texi (--enable-checking): Mention different
4456 (--enable-stage1-checking): Document.
4458 2009-01-01 Andrew Pinski <pinskia@gmail.com>
4461 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
4462 case to be an error.
4464 2009-01-02 Ben Elliston <bje@au.ibm.com>
4466 * config/fp-bit.h (pack_d): Constify argument.
4467 * config/fp-bit.c (makenan): Constify return type. Remove casts.
4468 (isnan): Constify argument.
4472 (_fpadd_parts): Constify return type.
4473 (_fpmul_parts): Likewise.
4474 (_fpdiv_parts): Likewise.
4476 2009-01-01 Jakub Jelinek <jakub@redhat.com>
4479 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
4480 warn about overwriting initializer with side-effects or
4481 -Woverride-init if !IMPLICIT.
4482 (output_init_element): Likewise. Pass IMPLICIT down to
4484 (process_init_element): Add IMPLICIT argument. Pass it down
4485 to output_init_element.
4486 (push_init_element, pop_init_level, set_designator): Adjust
4487 process_init_element callers.
4488 (set_nonincremental_init, set_nonincremental_init_from_string):
4489 Adjust add_pending_init callers.
4490 (output_pending_init_elements): Adjust output_init_element callers.
4491 * c-tree.h (process_init_element): Adjust prototype.
4492 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
4493 process_init_element callers.
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