From c3d79658a57063c4673651897a691ea8df320a2a Mon Sep 17 00:00:00 2001
From: johanknol <johanknol@4a8a32a2-be11-0410-ad9d-d568d2c75423>
Date: Wed, 11 Apr 2001 08:41:44 +0000
Subject: [PATCH] removed peephole 177 because of the:

c=SBUF;
SBUF=c;

case


git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@736 4a8a32a2-be11-0410-ad9d-d568d2c75423
---
 src/ds390/peeph.def | 15 ++++++++-------
 src/mcs51/peeph.def | 16 ++++++++--------
 2 files changed, 16 insertions(+), 15 deletions(-)

diff --git a/src/ds390/peeph.def b/src/ds390/peeph.def
index 29133de7..f3bfe355 100644
--- a/src/ds390/peeph.def
+++ b/src/ds390/peeph.def
@@ -1004,13 +1004,14 @@ replace {
         mov  %1,@r%2
 }
 
-replace {
-        mov  %1,%2
-        mov  %2,%1
-} by {
-        ; Peephole 177   removed redundant mov
-        mov  %1,%2
-}
+// this one will screw assignes to volatile/sfr's
+//replace {
+//        mov  %1,%2
+//        mov  %2,%1
+//} by {
+//        ; Peephole 177   removed redundant mov
+//        mov  %1,%2
+//}
 
 replace {
         mov  a,%1
diff --git a/src/mcs51/peeph.def b/src/mcs51/peeph.def
index e6008fe9..704380ca 100644
--- a/src/mcs51/peeph.def
+++ b/src/mcs51/peeph.def
@@ -70,7 +70,6 @@ replace {
         mov  dptr,#%2
         movx @dptr,a
 }
-
 replace {
 	mov  a,acc
 } by {
@@ -990,13 +989,14 @@ replace {
         mov  %1,@r%2
 }
 
-replace {
-        mov  %1,%2
-        mov  %2,%1
-} by {
-        ; Peephole 177   removed redundant mov
-        mov  %1,%2
-}
+// this one will screw assignes to volatile/sfr's
+//replace {
+//        mov  %1,%2
+//        mov  %2,%1
+//} by {
+//        ; Peephole 177   removed redundant mov
+//        mov  %1,%2
+//}
 
 replace {
         mov  a,%1
-- 
2.47.2