From: Andrew MacLeod <amacleod@cygnus.com>
Date: Fri, 10 Jul 1998 08:55:34 +0000 (+0000)
Subject: i960.c (i960_address_cost): MEMA operands with positive offsets < 4096 are free.
X-Git-Tag: prereleases/egcs-1.1-prerelease~332
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3410b2f3891c179f9dcd1f89b35bda224780501b;p=thirdparty%2Fgcc.git

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
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 9f0285963fb8..3380061898a1 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+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
diff --git a/gcc/config/i960/i960.c b/gcc/config/i960/i960.c
index f87b02c8a1b6..6189b4dee51e 100644
--- a/gcc/config/i960/i960.c
+++ b/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);