[ARMv8] Add MC support for the new load/store acquire/release instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189388 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 33 insertions, 0 deletions

diff --git a/test/MC/ARM/load-store-acquire-release-v8-thumb.s b/test/MC/ARM/load-store-acquire-release-v8-thumb.s
new file mode 100644
index 0000000..fe45757
--- /dev/null
+++ b/test/MC/ARM/load-store-acquire-release-v8-thumb.s
@@ -0,0 +1,33 @@
+@ RUN: llvm-mc -triple=thumbv8 -show-encoding < %s | FileCheck %s
+        ldaexb  r3, [r4]
+        ldaexh  r2, [r5]
+        ldaex  r1, [r7]
+        ldaexd  r6, r7, [r8]
+
+@ CHECK:  ldaexb	r3, [r4]                @ encoding: [0xd4,0xe8,0xcf,0x3f]
+@ CHECK:  ldaexh	r2, [r5]                @ encoding: [0xd5,0xe8,0xdf,0x2f]
+@ CHECK:  ldaex	r1, [r7]                @ encoding: [0xd7,0xe8,0xef,0x1f]
+@ CHECK:  ldaexd	r6, r7, [r8]            @ encoding: [0xd8,0xe8,0xff,0x67]
+
+        stlexb  r1, r3, [r4]
+        stlexh  r4, r2, [r5]
+        stlex  r2, r1, [r7]
+        stlexd  r6, r2, r3, [r8]
+@ CHECK: stlexb r1, r3, [r4]            @ encoding: [0xc4,0xe8,0xc1,0x3f]
+@ CHECK: stlexh r4, r2, [r5]            @ encoding: [0xc5,0xe8,0xd4,0x2f]
+@ CHECK: stlex r2, r1, [r7]            @ encoding: [0xc7,0xe8,0xe2,0x1f]
+@ CHECK: stlexd r6, r2, r3, [r8]        @ encoding: [0xc8,0xe8,0xf6,0x23]
+
+         lda r5, [r6]
+         ldab r5, [r6]
+         ldah r12, [r9]
+@ CHECK: lda r5, [r6]                   @ encoding: [0xd6,0xe8,0xaf,0x5f]
+@ CHECK: ldab r5, [r6]                  @ encoding: [0xd6,0xe8,0x8f,0x5f]
+@ CHECK: ldah r12, [r9]                 @ encoding: [0xd9,0xe8,0x9f,0xcf]
+
+         stl r3, [r0]
+         stlb r2, [r1]
+         stlh r2, [r3]
+@ CHECK: stl r3, [r0]                   @ encoding: [0xc0,0xe8,0xaf,0x3f]
+@ CHECK: stlb r2, [r1]                  @ encoding: [0xc1,0xe8,0x8f,0x2f]
+@ CHECK: stlh r2, [r3]                  @ encoding: [0xc3,0xe8,0x9f,0x2f]