alpha.c (alpha_expand_block_mode): Don't use gen_lowpart and company except for REG.

	* config/alpha/alpha.c (alpha_expand_block_mode): Don't use
	gen_lowpart and company except for REG.

From-SVN: r72309

gcc/ChangeLog

+2003-10-10  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* config/alpha/alpha.c (alpha_expand_block_mode): Don't use
+	gen_lowpart and company except for REG.
+
 2003-10-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 
 	* pa64-hpux.h (LINK_SPEC): Use `-z' option with HP ld.

gcc/config/alpha/alpha.c

@@ -4452,7 +4452,8 @@ alpha_expand_block_move (rtx operands[])
 	 is held in the register.  Nor if there is not a mode that
 	 handles the exact size.  */
       mode = mode_for_size (bytes * BITS_PER_UNIT, MODE_INT, 1);
-      if (mode != BLKmode
+      if (GET_CODE (tmp) == REG
+	  && mode != BLKmode
 	  && GET_MODE_SIZE (GET_MODE (tmp)) >= bytes)
 	{
 	  if (mode == TImode)
@@ -4572,7 +4573,7 @@ alpha_expand_block_move (rtx operands[])
       tmp = XEXP (XEXP (orig_dst, 0), 0);
 
       mode = mode_for_size (orig_bytes * BITS_PER_UNIT, MODE_INT, 1);
-      if (GET_MODE (tmp) == mode)
+      if (GET_CODE (tmp) == REG && GET_MODE (tmp) == mode)
 	{
 	  if (nregs == 1)
 	    {