From 483c3e96b7e30d3bd788f32c5b421133e71ec476 Mon Sep 17 00:00:00 2001
From: Gabe Black <gblack@eecs.umich.edu>
Date: Sun, 1 Feb 2009 00:08:16 -0800
Subject: [PATCH] X86: Calculate flags based on the actual result.

---
 src/arch/x86/insts/microregop.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/arch/x86/insts/microregop.cc b/src/arch/x86/insts/microregop.cc
index 080926627..2ea975746 100644
--- a/src/arch/x86/insts/microregop.cc
+++ b/src/arch/x86/insts/microregop.cc
@@ -67,6 +67,9 @@ namespace X86ISA
             bool subtract) const
     {
         DPRINTF(X86, "flagMask = %#x\n", flagMask);
+        if (_destRegIdx[0] & (1 << 6)) {
+            _dest >>= 8;
+        }
         uint64_t flags = oldFlags & ~flagMask;
         if(flagMask & (ECFBit | CFBit))
         {