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authorkenner <kenner@138bc75d-0d04-0410-961f-82ee72b054a4>2004-06-26 21:11:23 +0000
committerkenner <kenner@138bc75d-0d04-0410-961f-82ee72b054a4>2004-06-26 21:11:23 +0000
commit7dd3724184cd6a9e911c4112d0942729405d0a5d (patch)
treeec365de72a39a5ef2d0a252b8496e9199f69fb3d /gcc/expr.c
parent6b87a81c933c4fc156e9ea1c79d5dad399caef1f (diff)
downloadppe42-gcc-7dd3724184cd6a9e911c4112d0942729405d0a5d.tar.gz
ppe42-gcc-7dd3724184cd6a9e911c4112d0942729405d0a5d.zip
2004-06-26 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* c-common.c (c_safe_from_p, c_walk_subtrees): Deleted. * c-common.def (DECL_STMT): Remove. * c-common.h (DECL_STMT_DECL): Deleted. (COMPOUNT_LITERAL_EXPR_DECL): Use DECL_EXPR_DECL. (c_safe_from_p, c_walk_subtrees): Deleted. * c-decl.c, c-parse.in, c-pretty-print.c: DECL_STMT now DECL_EXPR. * c-dump.c (c_dump_tree, case DECL_STMT): Deleted. * c-gimplify.c (gimplify_decl_stmt): Deleted. (gimplify_compound_literal_expr): Use DECL_EXPR_DECL and gimplify_and_add. (c_gimplify_expr, case DECL_EXPR): New case. (c_gimplify_expr, case DECL_STMT): Deleted. * c-lang.c (LANG_HOOKS_SAFE_FROM_P): Likewise. (LANG_HOOKS_TREE_INLINING_WALK_SUBTREES): Likewise. * expr.c (safe_from_p, case 's'): New case. * gimplify.c (gimplify_decl_expr): New function. (gimplify_expr, case DECL_EXPR): New case. * tree-inline.c (walk_tree): Walk into all fields of a type and decl only if they are in a DECL_EXPR. (mark_local_for_remap_r): Minor code cleanup. * tree-outof-ssa.c (discover_nonconstant_array_refs_r): Add else. * tree.c (has_cleanups, case DECL_EXPR): New case. * tree.def (DECL_EXPR): New code. * tree.h (DECL_EXPR_DECL): New macro. * objc/objc-lang.c (LANG_HOOKS_SAFE_FROM_P): Deleted. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@83721 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/expr.c')
-rw-r--r--gcc/expr.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/expr.c b/gcc/expr.c
index 259eac1c989..a92eab6f9d9 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -6002,6 +6002,14 @@ safe_from_p (rtx x, tree exp, int top_p)
else
return 0;
+ case 's':
+ /* The only case we look at here is the DECL_INITIAL inside a
+ DECL_EXPR. */
+ return (TREE_CODE (exp) != DECL_EXPR
+ || TREE_CODE (DECL_EXPR_DECL (exp)) != VAR_DECL
+ || !DECL_INITIAL (DECL_EXPR_DECL (exp))
+ || safe_from_p (x, DECL_INITIAL (DECL_EXPR_DECL (exp)), 0));
+
case '2':
case '<':
if (!safe_from_p (x, TREE_OPERAND (exp, 1), 0))
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