From e6f3287c02e547a0aa15f9464e663bcdd1ba76d4 Mon Sep 17 00:00:00 2001
From: vrokas <vrokas@4a8a32a2-be11-0410-ad9d-d568d2c75423>
Date: Sat, 12 Mar 2005 10:39:48 +0000
Subject: [PATCH] * src/SDCCcse.c (cseBBlock): inside 'do operand lookup' loop
 test if left is a bitfield, if yes, then don't optimize assignment. Perhaps
 this can be optimized more?

git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@3693 4a8a32a2-be11-0410-ad9d-d568d2c75423
---
 ChangeLog     | 6 ++++++
 src/SDCCcse.c | 1 +
 2 files changed, 7 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 7e93e650..808c82c8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2005-03-12 Vangelis Rokas <vrokas AT users.sourceforge.net>
+
+	* src/SDCCcse.c (cseBBlock): inside 'do operand lookup' loop test if
+	left is a bitfield, if yes, then don't optimize assignment. Perhaps
+	this can be optimized more?
+
 2005-03-10 Raphael Neider <rneider AT web.de>
 
 	* src/pic16/gen.c (pic16_loadFSR0, genPackBits, genUnpackBits,
diff --git a/src/SDCCcse.c b/src/SDCCcse.c
index 28387659..1e07bb45 100644
--- a/src/SDCCcse.c
+++ b/src/SDCCcse.c
@@ -1995,6 +1995,7 @@ cseBBlock (eBBlock * ebb, int computeOnly,
       /* left operand */
       /* and left is a symbol  */
       if (IS_SYMOP (IC_LEFT (ic)) &&
+          !IS_BITFIELD (OP_SYM_ETYPE (IC_LEFT (ic))) &&
           !computeOnly && ic->op != ADDRESS_OF)
         {
 
-- 
2.30.2