// RUN: llvm-mc -triple x86_64-unknown-unknown --show-encoding %s | FileCheck %s .code64 movb $0x0, (%esi) // CHECK: encoding: [0x67,0xc6,0x06,0x00] movb $0x0, (%rsi) // CHECK: encoding: [0xc6,0x06,0x00] .code32 movb $0x0, (%si) // CHECK: encoding: [0x67,0xc6,0x06,0x00] movb $0x0, (%esi) // CHECK: encoding: [0xc6,0x06,0x00]