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2011-10-07 Tom de Vries <tom@codesourcery.com> PR middle-end/50527 * tree.c (build_common_builtin_nodes): Add local_define_builtin for BUILT_IN_ALLOCA_WITH_ALIGN. Mark that BUILT_IN_ALLOCA_WITH_ALIGN can throw. * builtins.c (expand_builtin_alloca): Handle BUILT_IN_ALLOCA_WITH_ALIGN arglist. Set align for BUILT_IN_ALLOCA_WITH_ALIGN. (expand_builtin): Handle BUILT_IN_ALLOCA_WITH_ALIGN. (is_inexpensive_builtin): Handle BUILT_IN_ALLOCA_WITH_ALIGN. * tree-ssa-ccp.c (evaluate_stmt): Set align for BUILT_IN_ALLOCA_WITH_ALIGN. (fold_builtin_alloca_for_var): Rename to ... (fold_builtin_alloca_with_align): Set DECL_ALIGN from 2nd BUILT_IN_ALLOCA_WITH_ALIGN argument. (ccp_fold_stmt): Try folding BUILT_IN_ALLOCA_WITH_ALIGN using fold_builtin_alloca_with_align. (optimize_stack_restore): Handle BUILT_IN_ALLOCA_WITH_ALIGN. * builtins.def (BUILT_IN_ALLOCA_WITH_ALIGN): Declare using DEF_BUILTIN_STUB. * ipa-pure-const.c (special_builtin_state): Handle BUILT_IN_ALLOCA_WITH_ALIGN. * tree-ssa-alias.c (ref_maybe_used_by_call_p_1) (call_may_clobber_ref_p_1): Same. * function.c (gimplify_parameters): Lower vla to BUILT_IN_ALLOCA_WITH_ALIGN. * gimplify.c (gimplify_vla_decl): Same. * cfgexpand.c (expand_call_stmt): Handle BUILT_IN_ALLOCA_WITH_ALIGN. * tree-mudflap.c (mf_xform_statements): Same. * tree-ssa-dce.c (mark_stmt_if_obviously_necessary) (mark_all_reaching_defs_necessary_1, propagate_necessity): Same. * varasm.c (incorporeal_function_p): Same. * tree-object-size.c (alloc_object_size): Same. * gimple.c (gimple_build_call_from_tree): Same. From-SVN: r179655
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