m68k.md (cmpsi+1): Use cmp.w when comparing a 16 bit constant with an address register.

	* config/m68k/m68k.md (cmpsi+1): Use cmp.w when comparing a 16 bit
	constant with an address register.

From-SVN: r26684

gcc/ChangeLog

+Wed Apr 28 10:36:39 1999  Andreas Schwab  <schwab@issan.cs.uni-dortmund.de>
+
+	* config/m68k/m68k.md (cmpsi+1): Use cmp.w when comparing a 16 bit
+	constant with an address register. 
+
 Wed Apr 28 00:14:41 PDT 1999 Jeff Law  (law@cygnus.com)
 
 	* version.c: Bump for snapshot.

gcc/config/m68k/m68k.md

@@ -537,6 +537,17 @@
       return \"cmp%.l %d0,%d1\";
 #endif
     }
+  if (ADDRESS_REG_P (operands[0])
+      && GET_CODE (operands[1]) == CONST_INT
+      && INTVAL (operands[1]) < 0x8000
+      && INTVAL (operands[1]) >= -0x8000)
+    {
+#ifdef SGS_CMP_ORDER
+      return \"cmp%.w %0,%1\";
+#else
+      return \"cmp%.w %1,%0\";
+#endif
+    }
 #ifdef SGS_CMP_ORDER
   return \"cmp%.l %d0,%d1\";
 #else