i960.c (i960_address_cost): MEMA operands with positive offsets < 4096 are free.

Fri Jul 10 11:50:43 EDT 1998  Andrew MacLeod  <amacleod@cygnus.com>
	* config/i960/i960.c (i960_address_cost): MEMA operands with
	positive offsets < 4096 are free.

From-SVN: r21051

gcc/ChangeLog

+Fri Jul 10 11:50:43 EDT 1998  Andrew MacLeod  <amacleod@cygnus.com>
+
+	* config/i960/i960.c (i960_address_cost): MEMA operands with
+	positive offsets < 4096 are free.
+
 Fri Jul 10 12:34:37 1998  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
 
 	* config/m68k/m68k.c (const_uint32_operand): Recognize

gcc/config/i960/i960.c

@@ -531,6 +531,12 @@ i960_address_cost (x)
   if (GET_CODE (x) == REG)
     return 1;
 #endif
+  /* This is a MEMA operand -- it's free.  */
+  if (GET_CODE (x) == CONST_INT
+      && INTVAL (x) >= 0
+      && INTVAL (x) < 4096)
+    return 0;
+
   if (GET_CODE (x) == PLUS)
     {
       rtx base = XEXP (x, 0);