rs6000.c (rs6000_legitimize_address): Force both PLUS operands into registers for altivec mode.

	      * config/rs6000/rs6000.c (rs6000_legitimize_address): Force both
        PLUS operands into registers for altivec mode.

From-SVN: r48091

gcc/ChangeLog

 2001-12-16  Aldy Hernandez  <aldyh@redhat.com>
 
+      * config/rs6000/rs6000.c (rs6000_legitimize_address): Force both
+      PLUS operands into registers for altivec mode.
+
+2001-12-16  Aldy Hernandez  <aldyh@redhat.com>
+
       * builtins.c (apply_args_size): Change regno to unsigned.
 
 2001-12-16  Aldy Hernandez  <aldyh@redhat.com>

gcc/config/rs6000/rs6000.c

@@ -1677,7 +1677,7 @@ rs6000_legitimize_address (x, oldx, mode)
 
       /* Make sure both operands are registers.  */
       if (GET_CODE (x) == PLUS)
-	return gen_rtx_PLUS (Pmode, XEXP (x, 0),
+	return gen_rtx_PLUS (Pmode, force_reg (Pmode, XEXP (x, 0)),
 			     force_reg (Pmode, XEXP (x, 1)));
 
       reg = force_reg (Pmode, x);