diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e06b3698bf6..68d46a304a3 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+Wed Dec 10 18:14:10 1997  Jeffrey A Law  (law@cygnus.com)
+
+	* combine.c (simplify_rtx, case ABS): Do nothing for ASM_OPERANDS.
+
 Wed Dec 10 12:30:18 1997  Anthony Green  <green@cygnus.com>
 
 	* crtstuff.c (__do_global_ctors): Fix typo.
@@ -28,7 +32,7 @@ Tue Dec  9 01:16:06 1997  Jeffrey A Law  (law@cygnus.com)
 	All references changed.
 	* rtl.h: Protect from multiple inclusions.  Add many prototypes.
 	
-Tue Dec  9 01:15:15 199  Fred Fish  <fnf@ninemoons.com>7
+Tue Dec  9 01:15:15 1997  Fred Fish  <fnf@ninemoons.com>
 
 	* libgcc2.c (string.h): Hoist inclusion to occur before first use of
 	string functions like strlen.
diff --git a/gcc/combine.c b/gcc/combine.c
index a96e4f76547..13e22b9bcd2 100644
--- a/gcc/combine.c
+++ b/gcc/combine.c
@@ -4097,6 +4097,9 @@ simplify_rtx (x, op0_mode, last, in_dest)
       if (GET_CODE (XEXP (x, 0)) == NEG)
 	SUBST (XEXP (x, 0), XEXP (XEXP (x, 0), 0));
 
+      if (GET_CODE (XEXP (x, 0)) == ASM_OPERANDS)
+	return x;
+
       /* If operand is something known to be positive, ignore the ABS.  */
       if (GET_CODE (XEXP (x, 0)) == FFS || GET_CODE (XEXP (x, 0)) == ABS
 	  || ((GET_MODE_BITSIZE (GET_MODE (XEXP (x, 0)))