| # RUN: llvm-mc -disassemble -triple thumbv7 2>&1 | FileCheck %s |
| # XFAIL: * |
| |
| #------------------------------------------------------------------------------ |
| # Undefined encodings for ldrexd/strexd |
| #------------------------------------------------------------------------------ |
| |
| # FIXME: "ldrexd r8, r8, [r2]" |
| # Rt == Rt2 is UNPREDICTABLE |
| |
| [0xd2 0xe8 0x7f 0x88] |
| # CHECK: potentially undefined instruction encoding |
| # CHECK-NEXT: [0xd2 0xe8 0x7f 0x88] |
| |
| # Opcode=2127 Name=t2STREXB Format=ARM_FORMAT_THUMBFRM(25) |
| # 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 |
| # ------------------------------------------------------------------------------------------------- |
| # | 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| |
| # ------------------------------------------------------------------------------------------------- |
| # |
| # if d == n || d == t then UNPREDICTABLE |
| |
| [0xc2 0xe8 0x42 0x8f] |
| # CHECK: potentially undefined instruction encoding |
| # CHECK-NEXT: [0xc2 0xe8 0x42 0x8f] |
| |
| # Opcode=2128 Name=t2STREXD Format=ARM_FORMAT_THUMBFRM(25) |
| # 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 |
| # ------------------------------------------------------------------------------------------------- |
| # | 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| |
| # ------------------------------------------------------------------------------------------------- |
| # |
| # if d == n || d == t || d == t2 then UNPREDICTABLE |
| |
| # FIXME: should be unpredictable since it's "strexd r8, r7, r8, [r2]" |
| [0xc2 0xe8 0x78 0x78] |
| # CHECK: potentially undefined instruction encoding |
| # CHECK-NEXT: [0xc2 0xe8 0x78 0x78] |