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diff --git a/test/MC/AArch64/neon-scalar-cvt.s b/test/MC/AArch64/neon-scalar-cvt.s
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+++ b/test/MC/AArch64/neon-scalar-cvt.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
+
+//----------------------------------------------------------------------
+// Scalar Signed Integer Convert To Floating-point
+//----------------------------------------------------------------------
+
+    scvtf s22, s13
+    scvtf d21, d12
+
+// CHECK: scvtf s22, s13    // encoding: [0xb6,0xd9,0x21,0x5e]
+// CHECK: scvtf d21, d12    // encoding: [0x95,0xd9,0x61,0x5e]
+
+//----------------------------------------------------------------------
+// Scalar Unsigned Integer Convert To Floating-point
+//----------------------------------------------------------------------
+
+    ucvtf s22, s13
+    ucvtf d21, d14
+
+// CHECK: ucvtf s22, s13    // encoding: [0xb6,0xd9,0x21,0x7e]
+// CHECK: ucvtf d21, d14    // encoding: [0xd5,0xd9,0x61,0x7e]
+
+//----------------------------------------------------------------------
+// Scalar Signed Fixed-point Convert To Floating-Point (Immediate)
+//----------------------------------------------------------------------
+
+    scvtf s22, s13, #32
+    scvtf d21, d12, #64
+
+// CHECK: scvtf s22, s13, #32  // encoding: [0xb6,0xe5,0x20,0x5f]
+// CHECK: scvtf d21, d12, #64  // encoding: [0x95,0xe5,0x40,0x5f]    
+
+//----------------------------------------------------------------------
+// Scalar Unsigned Fixed-point Convert To Floating-Point (Immediate)
+//----------------------------------------------------------------------
+
+    ucvtf s22, s13, #32
+    ucvtf d21, d14, #64
+
+// CHECK: ucvtf s22, s13, #32  // encoding: [0xb6,0xe5,0x20,0x7f]
+// CHECK: ucvtf d21, d14, #64  // encoding: [0xd5,0xe5,0x40,0x7f]
+
+//----------------------------------------------------------------------
+// Scalar Floating-point Convert To Signed Fixed-point (Immediate)
+//----------------------------------------------------------------------
+
+    fcvtzs s21, s12, #1
+    fcvtzs d21, d12, #1
+
+// CHECK: fcvtzs s21, s12, #1  // encoding: [0x95,0xfd,0x3f,0x5f]
+// CHECK: fcvtzs d21, d12, #1  // encoding: [0x95,0xfd,0x7f,0x5f]
+        
+//----------------------------------------------------------------------
+// Scalar Floating-point Convert To Unsigned Fixed-point (Immediate)
+//----------------------------------------------------------------------
+
+    fcvtzu s21, s12, #1
+    fcvtzu d21, d12, #1
+
+// CHECK: fcvtzu s21, s12, #1  // encoding: [0x95,0xfd,0x3f,0x7f]
+// CHECK: fcvtzu d21, d12, #1  // encoding: [0x95,0xfd,0x7f,0x7f]
+
+//----------------------------------------------------------------------
+// Scalar Floating-point Convert To Lower Precision Narrow, Rounding To
+// Odd
+//----------------------------------------------------------------------
+
+    fcvtxn s22, d13
+
+// CHECK: fcvtxn s22, d13    // encoding: [0xb6,0x69,0x61,0x7e]
+
+//----------------------------------------------------------------------
+// Scalar Floating-point Convert To Signed Integer, Rounding To Nearest
+// With Ties To Away
+//----------------------------------------------------------------------
+
+    fcvtas s12, s13
+    fcvtas d21, d14
+
+// CHECK: fcvtas s12, s13    // encoding: [0xac,0xc9,0x21,0x5e]
+// CHECK: fcvtas d21, d14    // encoding: [0xd5,0xc9,0x61,0x5e]
+
+//----------------------------------------------------------------------
+// Scalar Floating-point Convert To Unsigned Integer, Rounding To
+// Nearest With Ties To Away
+//----------------------------------------------------------------------
+
+    fcvtau s12, s13
+    fcvtau d21, d14
+
+// CHECK: fcvtau s12, s13    // encoding: [0xac,0xc9,0x21,0x7e]
+// CHECK: fcvtau d21, d14    // encoding: [0xd5,0xc9,0x61,0x7e]
+
+//----------------------------------------------------------------------
+// Scalar Floating-point Convert To Signed Integer, Rounding Toward
+// Minus Infinity
+//----------------------------------------------------------------------
+
+    fcvtms s22, s13
+    fcvtms d21, d14
+
+// CHECK: fcvtms s22, s13    // encoding: [0xb6,0xb9,0x21,0x5e]
+// CHECK: fcvtms d21, d14    // encoding: [0xd5,0xb9,0x61,0x5e]
+
+//----------------------------------------------------------------------
+// Scalar Floating-point Convert To Unsigned Integer, Rounding Toward
+// Minus Infinity
+//----------------------------------------------------------------------
+
+    fcvtmu s12, s13
+    fcvtmu d21, d14
+
+// CHECK: fcvtmu s12, s13    // encoding: [0xac,0xb9,0x21,0x7e]
+// CHECK: fcvtmu d21, d14    // encoding: [0xd5,0xb9,0x61,0x7e]
+
+//----------------------------------------------------------------------
+// Scalar Floating-point Convert To Signed Integer, Rounding To Nearest
+// With Ties To Even
+//----------------------------------------------------------------------
+
+    fcvtns s22, s13
+    fcvtns d21, d14
+
+// CHECK: fcvtns s22, s13    // encoding: [0xb6,0xa9,0x21,0x5e]
+// CHECK: fcvtns d21, d14    // encoding: [0xd5,0xa9,0x61,0x5e]
+
+//----------------------------------------------------------------------
+// Scalar Floating-point Convert To Unsigned Integer, Rounding To
+// Nearest With Ties To Even
+//----------------------------------------------------------------------
+
+    fcvtnu s12, s13
+    fcvtnu d21, d14
+
+// CHECK: fcvtnu s12, s13    // encoding: [0xac,0xa9,0x21,0x7e]
+// CHECK: fcvtnu d21, d14    // encoding: [0xd5,0xa9,0x61,0x7e]
+        
+//----------------------------------------------------------------------
+// Scalar Floating-point Convert To Signed Integer, Rounding Toward
+// Positive Infinity
+//----------------------------------------------------------------------
+
+    fcvtps s22, s13
+    fcvtps d21, d14
+
+// CHECK: fcvtps s22, s13    // encoding: [0xb6,0xa9,0xa1,0x5e]
+// CHECK: fcvtps d21, d14    // encoding: [0xd5,0xa9,0xe1,0x5e]
+        
+//----------------------------------------------------------------------
+// Scalar Floating-point Convert To Unsigned Integer, Rounding Toward
+// Positive Infinity
+//----------------------------------------------------------------------
+
+    fcvtpu s12, s13
+    fcvtpu d21, d14
+
+// CHECK: fcvtpu s12, s13    // encoding: [0xac,0xa9,0xa1,0x7e]
+// CHECK: fcvtpu d21, d14    // encoding: [0xd5,0xa9,0xe1,0x7e]
+
+//----------------------------------------------------------------------
+// Scalar Floating-point Convert To Signed Integer, Rounding Toward Zero
+//----------------------------------------------------------------------
+
+    fcvtzs s12, s13
+    fcvtzs d21, d14
+
+// CHECK: fcvtzs s12, s13    // encoding: [0xac,0xb9,0xa1,0x5e]
+// CHECK: fcvtzs d21, d14    // encoding: [0xd5,0xb9,0xe1,0x5e]
+        
+//----------------------------------------------------------------------
+// Scalar Floating-point Convert To Unsigned Integer, Rounding Toward 
+// Zero
+//----------------------------------------------------------------------
+
+    fcvtzu s12, s13
+    fcvtzu d21, d14
+
+// CHECK: fcvtzu s12, s13    // encoding: [0xac,0xb9,0xa1,0x7e]
+// CHECK: fcvtzu d21, d14    // encoding: [0xd5,0xb9,0xe1,0x7e]