* rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.

From-SVN: r132794

gcc/ChangeLog

 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
 
+	* rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
+
+2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
+
 	* tree-flow-inline.h (next_readonly_imm_use): Return
 	NULL_USE_OPERAND_P after the end.
 

gcc/rtlanal.c

@@ -2989,16 +2989,15 @@ loc_mentioned_in_p (rtx *loc, const_rtx in)
   fmt = GET_RTX_FORMAT (code);
   for (i = GET_RTX_LENGTH (code) - 1; i >= 0; i--)
     {
-      if (loc == &in->u.fld[i].rt_rtx)
-	return 1;
       if (fmt[i] == 'e')
 	{
-	  if (loc_mentioned_in_p (loc, XEXP (in, i)))
+	  if (loc == &XEXP (in, i) || loc_mentioned_in_p (loc, XEXP (in, i)))
 	    return 1;
 	}
       else if (fmt[i] == 'E')
 	for (j = XVECLEN (in, i) - 1; j >= 0; j--)
-	  if (loc_mentioned_in_p (loc, XVECEXP (in, i, j)))
+	  if (loc == &XVECEXP (in, i, j)
+	      || loc_mentioned_in_p (loc, XVECEXP (in, i, j)))
 	    return 1;
     }
   return 0;