flow.c (find_regno_partial): Return register, not the expression the register is in.

2001-12-06  Andrew MacLeod <amacleod@redhat.com>

	* flow.c (find_regno_partial): Return register, not the expression
	the register is in.

From-SVN: r47720

gcc/ChangeLog

+2001-12-06  Andrew MacLeod <amacleod@redhat.com>
+
+	* flow.c (find_regno_partial): Return register, not the expression
+	the register is in.
+
 Thu Dec  6 09:24:12 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 
 	* function.c (handle_epilogue_set): Check for FP setting case when

gcc/flow.c

@@ -1327,7 +1327,7 @@ find_regno_partial (ptr, data)
       case STRICT_LOW_PART:
         if (GET_CODE (XEXP (*ptr, 0)) == REG && REGNO (XEXP (*ptr, 0)) == reg)
 	  {
-	    param->retval = *ptr;
+	    param->retval = XEXP (*ptr, 0);
 	    return 1;
 	  }
 	break;
@@ -1336,7 +1336,7 @@ find_regno_partial (ptr, data)
         if (GET_CODE (SUBREG_REG (*ptr)) == REG 
 	    && REGNO (SUBREG_REG (*ptr)) == reg)
 	  {
-	    param->retval = *ptr;
+	    param->retval = SUBREG_REG (*ptr);
 	    return 1;
 	  }
 	break;