1@ RUN: llvm-mc -triple=thumbv8 -show-encoding < %s | FileCheck %s
2@ RUN: not llvm-mc -triple=thumbv7 -show-encoding < %s 2>&1 | FileCheck %s --check-prefix=CHECK-V7
3        ldaexb  r3, [r4]
4        ldaexh  r2, [r5]
5        ldaex  r1, [r7]
6        ldaexd  r6, r7, [r8]
7
8@ CHECK:  ldaexb	r3, [r4]                @ encoding: [0xd4,0xe8,0xcf,0x3f]
9@ CHECK:  ldaexh	r2, [r5]                @ encoding: [0xd5,0xe8,0xdf,0x2f]
10@ CHECK:  ldaex	r1, [r7]                @ encoding: [0xd7,0xe8,0xef,0x1f]
11@ CHECK:  ldaexd	r6, r7, [r8]            @ encoding: [0xd8,0xe8,0xff,0x67]
12@ CHECK-V7: error: instruction requires: acquire/release
13@ CHECK-V7: error: instruction requires: acquire/release
14@ CHECK-V7: error: instruction requires: acquire/release
15@ CHECK-V7: error: instruction requires: acquire/release
16
17        stlexb  r1, r3, [r4]
18        stlexh  r4, r2, [r5]
19        stlex  r2, r1, [r7]
20        stlexd  r6, r2, r3, [r8]
21@ CHECK: stlexb r1, r3, [r4]            @ encoding: [0xc4,0xe8,0xc1,0x3f]
22@ CHECK: stlexh r4, r2, [r5]            @ encoding: [0xc5,0xe8,0xd4,0x2f]
23@ CHECK: stlex r2, r1, [r7]            @ encoding: [0xc7,0xe8,0xe2,0x1f]
24@ CHECK: stlexd r6, r2, r3, [r8]        @ encoding: [0xc8,0xe8,0xf6,0x23]
25@ CHECK-V7: error: instruction requires: acquire/release
26@ CHECK-V7: error: instruction requires: acquire/release
27@ CHECK-V7: error: instruction requires: acquire/release
28@ CHECK-V7: error: instruction requires: acquire/release
29
30         lda r5, [r6]
31         ldab r5, [r6]
32         ldah r12, [r9]
33@ CHECK: lda r5, [r6]                   @ encoding: [0xd6,0xe8,0xaf,0x5f]
34@ CHECK: ldab r5, [r6]                  @ encoding: [0xd6,0xe8,0x8f,0x5f]
35@ CHECK: ldah r12, [r9]                 @ encoding: [0xd9,0xe8,0x9f,0xcf]
36@ CHECK-V7: error: instruction requires: acquire/release
37@ CHECK-V7: error: instruction requires: acquire/release
38@ CHECK-V7: error: instruction requires: acquire/release
39
40         stl r3, [r0]
41         stlb r2, [r1]
42         stlh r2, [r3]
43@ CHECK: stl r3, [r0]                   @ encoding: [0xc0,0xe8,0xaf,0x3f]
44@ CHECK: stlb r2, [r1]                  @ encoding: [0xc1,0xe8,0x8f,0x2f]
45@ CHECK: stlh r2, [r3]                  @ encoding: [0xc3,0xe8,0x9f,0x2f]
46@ CHECK-V7: error: instruction requires: acquire/release
47@ CHECK-V7: error: instruction requires: acquire/release
48@ CHECK-V7: error: instruction requires: acquire/release
49