(mark_used_regs_combine): Correct typo.

From-SVN: r6831

diff --git a/gcc/combine.c b/gcc/combine.c
index 5c209ae873202b4c3a747fa5ecf8d65170ce2930..e64add4b43e914642bab63d5719e9b88c561b907 100644 (file)
--- a/gcc/combine.c
+++ b/gcc/combine.c
@@ -10015,10 +10015,10 @@ mark_used_regs_combine (x)
           the address.  */
        register rtx testreg = SET_DEST (x);
 
-       while (GET_CODE (x) == SUBREG
-              || GET_CODE (x) == ZERO_EXTRACT
-              || GET_CODE (x) == SIGN_EXTRACT
-              || GET_CODE (x) == STRICT_LOW_PART)
+       while (GET_CODE (testreg) == SUBREG
+              || GET_CODE (testreg) == ZERO_EXTRACT
+              || GET_CODE (testreg) == SIGN_EXTRACT
+              || GET_CODE (testreg) == STRICT_LOW_PART)
          testreg = XEXP (testreg, 0);
 
        if (GET_CODE (testreg) == MEM)