expmed.c (store_bit_field): Use int_mode_for_mode to find corresponding mode of non-integer mode...

	* expmed.c (store_bit_field): Use int_mode_for_mode to find
	corresponding mode of non-integer mode, unless it is VOIDmode.

From-SVN: r59716

gcc/ChangeLog

+Mon Dec  2 14:43:22 2002  J"orn Rennecke <joern.rennecke@superh.com>
+
+	* expmed.c (store_bit_field): Use int_mode_for_mode to find
+	corresponding mode of non-integer mode, unless it is VOIDmode.
+
 2002-12-02  Kazu Hirata  <kazu@cs.umass.edu>
 
 	* config/h8300/h8300.md (stm_h8300s_2): New.

gcc/expmed.c

@@ -535,7 +535,9 @@ store_bit_field (str_rtx, bitsize, bitnum, fieldmode, value, total_size)
      structure fields.  */
   if (GET_MODE_CLASS (GET_MODE (value)) != MODE_INT
       && GET_MODE_CLASS (GET_MODE (value)) != MODE_PARTIAL_INT)
-    value = gen_lowpart (word_mode, value);
+    value = gen_lowpart ((GET_MODE (value) == VOIDmode
+			  ? word_mode : int_mode_for_mode (GET_MODE (value))),
+			 value);
 
   /* Now OFFSET is nonzero only if OP0 is memory
      and is therefore always measured in bytes.  */