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-rw-r--r--test/MC/AArch64/neon-diagnostics.s41
-rw-r--r--test/MC/AArch64/neon-extract.s13
-rw-r--r--test/MC/Disassembler/AArch64/neon-instructions.txt9
3 files changed, 63 insertions, 0 deletions
diff --git a/test/MC/AArch64/neon-diagnostics.s b/test/MC/AArch64/neon-diagnostics.s
index 67a938ed77..b549480a8f 100644
--- a/test/MC/AArch64/neon-diagnostics.s
+++ b/test/MC/AArch64/neon-diagnostics.s
@@ -5194,3 +5194,44 @@
// CHECK: error: invalid operand for instruction
// CHECK: sha256su1 v0.16b, v1.16b, v2.16b
// CHECK: ^
+
+//----------------------------------------------------------------------
+// Bitwise extract
+//----------------------------------------------------------------------
+
+ ext v0.8b, v1.8b, v2.4h, #0x3
+ ext v0.4h, v1.4h, v2.4h, #0x3
+ ext v0.2s, v1.2s, v2.2s, #0x1
+ ext v0.1d, v1.1d, v2.1d, #0x0
+
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR: ext v0.8b, v1.8b, v2.4h, #0x3
+// CHECK-ERROR: ^
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR: ext v0.4h, v1.4h, v2.4h, #0x3
+// CHECK-ERROR: ^
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR: ext v0.2s, v1.2s, v2.2s, #0x1
+// CHECK-ERROR: ^
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR: ext v0.1d, v1.1d, v2.1d, #0x0
+// CHECK-ERROR: ^
+
+ ext v0.16b, v1.16b, v2.8h, #0x3
+ ext v0.8h, v1.8h, v2.8h, #0x3
+ ext v0.4s, v1.4s, v2.4s, #0x1
+ ext v0.2d, v1.2d, v2.2d, #0x0
+
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR: ext v0.16b, v1.16b, v2.8h, #0x3
+// CHECK-ERROR: ^
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR: ext v0.8h, v1.8h, v2.8h, #0x3
+// CHECK-ERROR: ^
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR: ext v0.4s, v1.4s, v2.4s, #0x1
+// CHECK-ERROR: ^
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR: ext v0.2d, v1.2d, v2.2d, #0x0
+// CHECK-ERROR: ^
+
diff --git a/test/MC/AArch64/neon-extract.s b/test/MC/AArch64/neon-extract.s
new file mode 100644
index 0000000000..2d58a75a49
--- /dev/null
+++ b/test/MC/AArch64/neon-extract.s
@@ -0,0 +1,13 @@
+// RUN: llvm-mc -triple=aarch64 -mattr=+neon -show-encoding < %s | FileCheck %s
+
+// Check that the assembler can handle the documented syntax for AArch64
+
+//------------------------------------------------------------------------------
+// Instructions for bitwise extract
+//------------------------------------------------------------------------------
+
+ ext v0.8b, v1.8b, v2.8b, #0x3
+ ext v0.16b, v1.16b, v2.16b, #0x3
+
+// CHECK: ext v0.8b, v1.8b, v2.8b, #0x3 // encoding: [0x20,0x18,0x02,0x2e]
+// CHECK: ext v0.16b, v1.16b, v2.16b, #0x3 // encoding: [0x20,0x18,0x02,0x6e]
diff --git a/test/MC/Disassembler/AArch64/neon-instructions.txt b/test/MC/Disassembler/AArch64/neon-instructions.txt
index c320d7da09..225bb16212 100644
--- a/test/MC/Disassembler/AArch64/neon-instructions.txt
+++ b/test/MC/Disassembler/AArch64/neon-instructions.txt
@@ -2042,3 +2042,12 @@ G# RUN: llvm-mc -triple aarch64-none-linux-gnu -mattr=+neon -disassemble < %s |
0x00,0x80,0x81,0x4c
0xef,0x45,0x82,0x4c
0xff,0x0b,0x9f,0x4c
+
+#----------------------------------------------------------------------
+# Bitwise extract
+#----------------------------------------------------------------------
+0x20,0x18,0x02,0x2e
+0x20,0x18,0x02,0x6e
+# CHECK: ext v0.8b, v1.8b, v2.8b, #0x3
+# CHECK: ext v0.16b, v1.16b, v2.16b, #0x3
+