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diff --git a/test/MC/AArch64/neon-aba-abd.s b/test/MC/AArch64/neon-aba-abd.s
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+// RUN: llvm-mc -triple aarch64-none-linux-gnu -mattr=+neon -show-encoding < %s | FileCheck %s
+
+// Check that the assembler can handle the documented syntax for AArch64
+
+//----------------------------------------------------------------------
+// Vector Absolute Difference and Accumulate (Signed, Unsigned)
+//----------------------------------------------------------------------
+ uaba v0.8b, v1.8b, v2.8b
+ uaba v0.16b, v1.16b, v2.16b
+ uaba v0.4h, v1.4h, v2.4h
+ uaba v0.8h, v1.8h, v2.8h
+ uaba v0.2s, v1.2s, v2.2s
+ uaba v0.4s, v1.4s, v2.4s
+
+// CHECK: uaba v0.8b, v1.8b, v2.8b // encoding: [0x20,0x7c,0x22,0x2e]
+// CHECK: uaba v0.16b, v1.16b, v2.16b // encoding: [0x20,0x7c,0x22,0x6e]
+// CHECK: uaba v0.4h, v1.4h, v2.4h // encoding: [0x20,0x7c,0x62,0x2e]
+// CHECK: uaba v0.8h, v1.8h, v2.8h // encoding: [0x20,0x7c,0x62,0x6e]
+// CHECK: uaba v0.2s, v1.2s, v2.2s // encoding: [0x20,0x7c,0xa2,0x2e]
+// CHECK: uaba v0.4s, v1.4s, v2.4s // encoding: [0x20,0x7c,0xa2,0x6e]
+
+
+ saba v0.8b, v1.8b, v2.8b
+ saba v0.16b, v1.16b, v2.16b
+ saba v0.4h, v1.4h, v2.4h
+ saba v0.8h, v1.8h, v2.8h
+ saba v0.2s, v1.2s, v2.2s
+ saba v0.4s, v1.4s, v2.4s
+
+// CHECK: saba v0.8b, v1.8b, v2.8b // encoding: [0x20,0x7c,0x22,0x0e]
+// CHECK: saba v0.16b, v1.16b, v2.16b // encoding: [0x20,0x7c,0x22,0x4e]
+// CHECK: saba v0.4h, v1.4h, v2.4h // encoding: [0x20,0x7c,0x62,0x0e]
+// CHECK: saba v0.8h, v1.8h, v2.8h // encoding: [0x20,0x7c,0x62,0x4e]
+// CHECK: saba v0.2s, v1.2s, v2.2s // encoding: [0x20,0x7c,0xa2,0x0e]
+// CHECK: saba v0.4s, v1.4s, v2.4s // encoding: [0x20,0x7c,0xa2,0x4e]
+
+//----------------------------------------------------------------------
+// Vector Absolute Difference (Signed, Unsigned)
+//----------------------------------------------------------------------
+ uabd v0.8b, v1.8b, v2.8b
+ uabd v0.16b, v1.16b, v2.16b
+ uabd v0.4h, v1.4h, v2.4h
+ uabd v0.8h, v1.8h, v2.8h
+ uabd v0.2s, v1.2s, v2.2s
+ uabd v0.4s, v1.4s, v2.4s
+
+// CHECK: uabd v0.8b, v1.8b, v2.8b // encoding: [0x20,0x74,0x22,0x2e]
+// CHECK: uabd v0.16b, v1.16b, v2.16b // encoding: [0x20,0x74,0x22,0x6e]
+// CHECK: uabd v0.4h, v1.4h, v2.4h // encoding: [0x20,0x74,0x62,0x2e]
+// CHECK: uabd v0.8h, v1.8h, v2.8h // encoding: [0x20,0x74,0x62,0x6e]
+// CHECK: uabd v0.2s, v1.2s, v2.2s // encoding: [0x20,0x74,0xa2,0x2e]
+// CHECK: uabd v0.4s, v1.4s, v2.4s // encoding: [0x20,0x74,0xa2,0x6e]
+
+ sabd v0.8b, v1.8b, v2.8b
+ sabd v0.16b, v1.16b, v2.16b
+ sabd v0.4h, v1.4h, v2.4h
+ sabd v0.8h, v1.8h, v2.8h
+ sabd v0.2s, v1.2s, v2.2s
+ sabd v0.4s, v1.4s, v2.4s
+
+// CHECK: sabd v0.8b, v1.8b, v2.8b // encoding: [0x20,0x74,0x22,0x0e]
+// CHECK: sabd v0.16b, v1.16b, v2.16b // encoding: [0x20,0x74,0x22,0x4e]
+// CHECK: sabd v0.4h, v1.4h, v2.4h // encoding: [0x20,0x74,0x62,0x0e]
+// CHECK: sabd v0.8h, v1.8h, v2.8h // encoding: [0x20,0x74,0x62,0x4e]
+// CHECK: sabd v0.2s, v1.2s, v2.2s // encoding: [0x20,0x74,0xa2,0x0e]
+// CHECK: sabd v0.4s, v1.4s, v2.4s // encoding: [0x20,0x74,0xa2,0x4e]
+
+//----------------------------------------------------------------------
+// Vector Absolute Difference (Floating Point)
+//----------------------------------------------------------------------
+ fabd v0.2s, v1.2s, v2.2s
+ fabd v31.4s, v15.4s, v16.4s
+ fabd v7.2d, v8.2d, v25.2d
+
+// CHECK: fabd v0.2s, v1.2s, v2.2s // encoding: [0x20,0xd4,0xa2,0x2e]
+// CHECK: fabd v31.4s, v15.4s, v16.4s // encoding: [0xff,0xd5,0xb0,0x6e]
+// CHECK: fabd v7.2d, v8.2d, v25.2d // encoding: [0x07,0xd5,0xf9,0x6e]
+