expmed.c (store_bit_field): Correctly compute smallest mode that is sufficient…

expmed.c (store_bit_field): Correctly compute smallest mode that is sufficient to contain all bits we are...

	* expmed.c (store_bit_field): Correctly compute smallest mode that
	is sufficient to contain all bits we are storing.

From-SVN: r38507

MAINTAINERS

@@ -127,6 +127,7 @@ Brendan Kehoe					brendan@redhat.com
 Mumit Khan					khan@xraylith.wisc.edu
 Benjamin Kosnik					bkoz@redhat.com
 Marc Lehmann					pcg@goof.com
+Alan Lehotsky					apl@alum.mit.edu
 Warren Levy					warrenl@redhat.com
 Kriang Lerdsuwanakij				lerdsuwa@users.sourceforge.net
 Don Lindsay					dlindsay@redhat.com
@@ -164,3 +165,4 @@ John Wehle					john@feith.com
 Mark Wielaard					mark@gcc.gnu.org
 * Indicates folks we need to get Kerberos/ssh accounts ready so they
 can write in the source tree
+

gcc/ChangeLog

+2000-12-28    <lehotsky@tiac.net>
+
+	* expmed.c (store_bit_field): Correctly compute smallest mode that
+	is sufficient to contain all bits we are storing.
+
 2000-12-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
 	* builtins.c (build_function_call_expr): New function.  Use it

gcc/expmed.c

@@ -399,7 +399,7 @@ store_bit_field (str_rtx, bitsize, bitnum, fieldmode, value, align, total_size)
 	 VOIDmode, because that is what store_field uses to indicate that this
 	 is a bit field, but passing VOIDmode to operand_subword_force will
 	 result in an abort.  */
-      fieldmode = mode_for_size (nwords * BITS_PER_WORD, MODE_INT, 0);
+      fieldmode = smallest_mode_for_size (nwords * BITS_PER_WORD, MODE_INT, 0);
 
       for (i = 0; i < nwords; i++)
 	{