(single_set): fix typo in REG_UNUSED check.

From-SVN: r2449

diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c
index 5b0af9266497367c7068c14cae266ce9979c5b6c..2677ee2ccce2a562c0efc11ecaacce9aa1def6da 100644 (file)
--- a/gcc/rtlanal.c
+++ b/gcc/rtlanal.c
@@ -528,9 +528,9 @@ single_set (insn)
     {
       for (i = 0, set = 0; i < XVECLEN (PATTERN (insn), 0); i++)
        if (GET_CODE (XVECEXP (PATTERN (insn), 0, i)) == SET
-           && ! (find_reg_note (insn, REG_UNUSED,
-                               SET_DEST (XVECEXP (PATTERN (insn), 0, i)))
-                 || side_effects_p (XVECEXP (PATTERN (insn), 0, i))))
+           && (! find_reg_note (insn, REG_UNUSED,
+                                SET_DEST (XVECEXP (PATTERN (insn), 0, i)))
+               || side_effects_p (XVECEXP (PATTERN (insn), 0, i))))
          {
            if (set)
              return 0;