X86: Fix segment override prefixes on instructions that use rbp/rsp and a displacement.

1 files changed, 1 insertions, 2 deletions

diff --git a/src/arch/x86/emulenv.cc b/src/arch/x86/emulenv.cc
index 8e4600a14..7e4a9fc55 100644
--- a/src/arch/x86/emulenv.cc
+++ b/src/arch/x86/emulenv.cc
@@ -118,8 +118,7 @@ void EmulEnv::doModRM(const ExtMachInst & machInst)
     //Figure out what segment to use. This won't be entirely accurate since
     //the presence of a displacement is supposed to make the instruction
     //default to the data segment.
-    if ((base != INTREG_RBP && base != INTREG_RSP) ||
-            0/*Has an immediate offset*/) {
+    if ((base != INTREG_RBP && base != INTREG_RSP) || machInst.dispSize) {
         seg = SEGMENT_REG_DS;
         //Handle any segment override that might have been in the instruction
         int segFromInst = machInst.legacy.seg;