1# RUN: llvm-mc -disassemble -triple thumbv7 2>&1 | FileCheck %s 2# XFAIL: * 3 4#------------------------------------------------------------------------------ 5# Undefined encodings for ldrexd/strexd 6#------------------------------------------------------------------------------ 7 8# FIXME: "ldrexd r8, r8, [r2]" 9# Rt == Rt2 is UNPREDICTABLE 10 11[0xd2 0xe8 0x7f 0x88] 12# CHECK: potentially undefined instruction encoding 13# CHECK-NEXT: [0xd2 0xe8 0x7f 0x88] 14 15# Opcode=2127 Name=t2STREXB Format=ARM_FORMAT_THUMBFRM(25) 16# 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 17# ------------------------------------------------------------------------------------------------- 18# | 1: 1: 1: 0| 1: 0: 0: 0| 1: 1: 0: 0| 0: 0: 1: 0| 1: 0: 0: 0| 1: 1: 1: 1| 0: 1: 0: 0| 0: 0: 1: 0| 19# ------------------------------------------------------------------------------------------------- 20# 21# if d == n || d == t then UNPREDICTABLE 22 23[0xc2 0xe8 0x42 0x8f] 24# CHECK: potentially undefined instruction encoding 25# CHECK-NEXT: [0xc2 0xe8 0x42 0x8f] 26 27# Opcode=2128 Name=t2STREXD Format=ARM_FORMAT_THUMBFRM(25) 28# 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 29# ------------------------------------------------------------------------------------------------- 30# | 1: 1: 1: 0| 1: 0: 0: 0| 1: 1: 0: 0| 0: 0: 1: 0| 0: 1: 1: 1| 1: 0: 0: 0| 0: 1: 1: 1| 1: 0: 0: 0| 31# ------------------------------------------------------------------------------------------------- 32# 33# if d == n || d == t || d == t2 then UNPREDICTABLE 34 35# FIXME: should be unpredictable since it's "strexd r8, r7, r8, [r2]" 36[0xc2 0xe8 0x78 0x78] 37# CHECK: potentially undefined instruction encoding 38# CHECK-NEXT: [0xc2 0xe8 0x78 0x78] 39