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(collect_iterators, case SAVE_EXPR): Simplify code added in previous

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change.

From-SVN: r4768
This commit is contained in:
Richard Kenner 1993-06-27 18:41:45 -04:00
parent 3319a3472f
commit 93e4100a85
1 changed files with 4 additions and 7 deletions
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11
gcc/c-iterate.c
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@ -1,5 +1,5 @@
/* Build expressions with type checking for C compiler.
Copyright (C) 1987, 1988, 1989, 1992 Free Software Foundation, Inc.
Copyright (C) 1987, 1988, 1989, 1992, 1993 Free Software Foundation, Inc.
This file is part of GNU CC.
@ -209,12 +209,9 @@ collect_iterators (exp, list)
case SAVE_EXPR:
/* In each scan, scan a given save_expr only once. */
{
tree tail;
for (tail = save_exprs; tail; tail = TREE_CHAIN (tail))
if (TREE_VALUE (tail) == exp)
return list;
}
if (value_member (exp, save_exprs))
return list;
save_exprs = tree_cons (NULL_TREE, exp, save_exprs);
return collect_iterators (TREE_OPERAND (exp, 0), list);