[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

4 files changed, 131 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]
diff --git a/test/MC/ARM/load-store-acquire-release-v8.s b/test/MC/ARM/load-store-acquire-release-v8.s
new file mode 100644
index 0000000..85f8306
--- /dev/null
+++ b/test/MC/ARM/load-store-acquire-release-v8.s
@@ -0,0 +1,33 @@
+@ RUN: llvm-mc -triple=armv8 -show-encoding < %s | FileCheck %s
+        ldaexb  r3, [r4]
+        ldaexh  r2, [r5]
+        ldaex  r1, [r7]
+        ldaexd  r6, r7, [r8]
+
+@ CHECK: ldaexb r3, [r4]                @ encoding: [0x9f,0x3e,0xd4,0xe1]
+@ CHECK: ldaexh r2, [r5]                @ encoding: [0x9f,0x2e,0xf5,0xe1]
+@ CHECK: ldaex r1, [r7]                @ encoding: [0x9f,0x1e,0x97,0xe1]
+@ CHECK: ldaexd r6, r7, [r8]            @ encoding: [0x9f,0x6e,0xb8,0xe1]
+
+        stlexb  r1, r3, [r4]
+        stlexh  r4, r2, [r5]
+        stlex  r2, r1, [r7]
+        stlexd  r6, r2, r3, [r8]
+@ CHECK: stlexb r1, r3, [r4]            @ encoding: [0x93,0x1e,0xc4,0xe1]
+@ CHECK: stlexh r4, r2, [r5]            @ encoding: [0x92,0x4e,0xe5,0xe1]
+@ CHECK: stlex r2, r1, [r7]            @ encoding: [0x91,0x2e,0x87,0xe1]
+@ CHECK: stlexd r6, r2, r3, [r8]        @ encoding: [0x92,0x6e,0xa8,0xe1]
+
+         lda r5, [r6]
+         ldab r5, [r6]
+         ldah r12, [r9]
+@ CHECK: lda r5, [r6]                   @ encoding: [0x9f,0x5c,0x96,0xe1]
+@ CHECK: ldab r5, [r6]                  @ encoding: [0x9f,0x5c,0xd6,0xe1]
+@ CHECK: ldah r12, [r9]                 @ encoding: [0x9f,0xcc,0xf9,0xe1]
+
+         stl r3, [r0]
+         stlb r2, [r1]
+         stlh r2, [r3]
+@ CHECK: stl r3, [r0]                   @ encoding: [0x93,0xfc,0x80,0xe1]
+@ CHECK: stlb r2, [r1]                  @ encoding: [0x92,0xfc,0xc1,0xe1]
+@ CHECK: stlh r2, [r3]                  @ encoding: [0x92,0xfc,0xe3,0xe1]
diff --git a/test/MC/Disassembler/ARM/load-store-acquire-release-v8-thumb.txt b/test/MC/Disassembler/ARM/load-store-acquire-release-v8-thumb.txt
new file mode 100644
index 0000000..8a2ba74
--- /dev/null
+++ b/test/MC/Disassembler/ARM/load-store-acquire-release-v8-thumb.txt
@@ -0,0 +1,33 @@
+# RUN: llvm-mc -triple=thumbv8 -disassemble -show-encoding < %s | FileCheck %s
+
+0xd4 0xe8 0xcf 0x3f
+0xd5 0xe8 0xdf 0x2f
+0xd7 0xe8 0xef 0x1f
+0xd8 0xe8 0xff 0x67
+# 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]
+
+0xc4 0xe8 0xc1 0x3f
+0xc5 0xe8 0xd4 0x2f
+0xc7 0xe8 0xe2 0x1f
+0xc8 0xe8 0xf6 0x23
+# 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]
+
+0xd6 0xe8 0xaf 0x5f
+0xd6 0xe8 0x8f 0x5f
+0xd9 0xe8 0x9f 0xcf
+# 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]
+
+0xc0 0xe8 0xaf 0x3f
+0xc1 0xe8 0x8f 0x2f
+0xc3 0xe8 0x9f 0x2f
+# 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]
diff --git a/test/MC/Disassembler/ARM/load-store-acquire-release-v8.txt b/test/MC/Disassembler/ARM/load-store-acquire-release-v8.txt
new file mode 100644
index 0000000..058f9cc
--- /dev/null
+++ b/test/MC/Disassembler/ARM/load-store-acquire-release-v8.txt
@@ -0,0 +1,32 @@
+# RUN: llvm-mc -triple=armv8 -disassemble -show-encoding < %s | FileCheck %s
+0x9f 0x0e 0xd8 0xe1
+0x9f 0x1e 0xfc 0xe1
+0x9f 0x1e 0x90 0xe1
+0x9f 0x8e 0xbd 0xe1
+# CHECK: ldaexb r0, [r8]       @ encoding: [0x9f,0x0e,0xd8,0xe1]
+# CHECK: ldaexh r1, [r12]      @ encoding: [0x9f,0x1e,0xfc,0xe1]
+# CHECK: ldaex  r1, [r0]       @ encoding: [0x9f,0x1e,0x90,0xe1]
+# CHECK: ldaexd r8, r9, [sp]   @ encoding: [0x9f,0x8e,0xbd,0xe1]
+
+0x93 0x1e 0xc4 0xe1
+0x92 0x4e 0xe5 0xe1
+0x91 0x2e 0x87 0xe1
+0x92 0x6e 0xa8 0xe1
+# CHECK: stlexb r1, r3, [r4]            @ encoding: [0x93,0x1e,0xc4,0xe1]
+# CHECK: stlexh r4, r2, [r5]            @ encoding: [0x92,0x4e,0xe5,0xe1]
+# CHECK: stlex r2, r1, [r7]            @ encoding: [0x91,0x2e,0x87,0xe1]
+# CHECK: stlexd r6, r2, r3, [r8]        @ encoding: [0x92,0x6e,0xa8,0xe1]
+
+0x9f 0x5c 0x96 0xe1
+0x9f 0x5c 0xd6 0xe1
+0x9f 0xcc 0xf9 0xe1
+# CHECK: lda r5, [r6]          @ encoding: [0x9f,0x5c,0x96,0xe1]
+# CHECK: ldab r5, [r6]         @ encoding: [0x9f,0x5c,0xd6,0xe1]
+# CHECK: ldah r12, [r9]        @ encoding: [0x9f,0xcc,0xf9,0xe1]
+
+0x93 0xfc 0x80 0xe1
+0x92 0xfc 0xc1 0xe1
+0x92 0xfc 0xe3 0xe1
+# CHECK: stl r3, [r0]                   @ encoding: [0x93,0xfc,0x80,0xe1]
+# CHECK: stlb r2, [r1]                  @ encoding: [0x92,0xfc,0xc1,0xe1]
+# CHECK: stlh r2, [r3]                  @ encoding: [0x92,0xfc,0xe3,0xe1]