+2005-03-22 Kazu Hirata <kazu@cs.umass.edu>
+
+ * fold-const.c (fold_unary, fold_binary): Update comments
+ about arguments.
+
2005-03-22 Hans-Peter Nilsson <hp@axis.com>
PR rtl-optimization/20527
return fold_complex_div_parts (type, ar, ai, br, bi, code);
}
-/* Fold a unary expression EXPR. Return the folded expression if
- folding is successful. Otherwise, return the original
- expression. */
+/* Fold a unary expression of code CODE and type TYPE with operand
+ OP0. Return the folded expression if folding is successful.
+ Otherwise, return NULL_TREE. */
static tree
fold_unary (enum tree_code code, tree type, tree op0)
} /* switch (code) */
}
-/* Fold a binary expression EXPR. Return the folded expression if
- folding is successful. Otherwise, return the original
- expression. */
+/* Fold a binary expression of code CODE and type TYPE with operands
+ OP0 and OP1. Return the folded expression if folding is
+ successful. Otherwise, return NULL_TREE. */
static tree
fold_binary (enum tree_code code, tree type, tree op0, tree op1)