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-rw-r--r--lib/Target/X86/X86InstrInfo.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp
index 4d9e2bef74..a47dee3aee 100644
--- a/lib/Target/X86/X86InstrInfo.cpp
+++ b/lib/Target/X86/X86InstrInfo.cpp
@@ -2732,7 +2732,7 @@ static unsigned getMemModRMByteSize(const MachineInstr &MI, unsigned Op,
unsigned BaseReg = Base.getReg();
// Is a SIB byte needed?
- if (IndexReg.getReg() == 0 &&
+ if ((!Is64BitMode || DispForReloc) && IndexReg.getReg() == 0 &&
(BaseReg == 0 || X86RegisterInfo::getX86RegNum(BaseReg) != N86::ESP)) {
if (BaseReg == 0) { // Just a displacement?
// Emit special case [disp32] encoding