diff --git a/lib/Target/ARM/ARMInstrVFP.td b/lib/Target/ARM/ARMInstrVFP.td
index cbfd25fc689..f9cfa15a731 100644
--- a/lib/Target/ARM/ARMInstrVFP.td
+++ b/lib/Target/ARM/ARMInstrVFP.td
@@ -584,7 +584,7 @@ def VCVTTDH : ADuI<0b11101, 0b11, 0b0011, 0b11, 0,
 }
 
 multiclass vcvt_inst<string opc, bits<2> rm> {
-  let PostEncoderMethod = "" in {
+  let PostEncoderMethod = "", DecoderNamespace = "VFPV8" in {
     def SS : ASuInp<0b11101, 0b11, 0b1100, 0b11, 0,
                     (outs SPR:$Sd), (ins SPR:$Sm),
                     NoItinerary, !strconcat("vcvt", opc, ".s32.f32\t$Sd, $Sm"),
@@ -670,7 +670,7 @@ defm VRINTR : vrint_inst_zrx<"r", 0, 0>;
 defm VRINTX : vrint_inst_zrx<"x", 1, 0>;
 
 multiclass vrint_inst_anpm<string opc, bits<2> rm> {
-  let PostEncoderMethod = "" in {
+  let PostEncoderMethod = "", DecoderNamespace = "VFPV8" in {
     def S : ASuInp<0b11101, 0b11, 0b1000, 0b01, 0,
                    (outs SPR:$Sd), (ins SPR:$Sm),
                    NoItinerary, !strconcat("vrint", opc, ".f32\t$Sd, $Sm"),
diff --git a/test/MC/ARM/thumb-v8fp.s b/test/MC/ARM/thumb-v8fp.s
new file mode 100644
index 00000000000..50cd005dcbe
--- /dev/null
+++ b/test/MC/ARM/thumb-v8fp.s
@@ -0,0 +1,130 @@
+@ RUN: llvm-mc -triple thumbv8 -mattr=+v8fp -show-encoding < %s | FileCheck %s
+
+@ VCVT{B,T}
+
+  vcvtt.f64.f16 d3, s1
+@ CHECK: vcvtt.f64.f16 d3, s1      @ encoding: [0xb2,0xee,0xe0,0x3b]
+  vcvtt.f16.f64 s5, d12
+@ CHECK: vcvtt.f16.f64 s5, d12     @ encoding: [0xf3,0xee,0xcc,0x2b]
+
+  vcvtb.f64.f16 d3, s1
+@ CHECK: vcvtb.f64.f16 d3, s1     @ encoding: [0xb2,0xee,0x60,0x3b]
+  vcvtb.f16.f64 s4, d1
+@ CHECK: vcvtb.f16.f64 s4, d1     @ encoding: [0xb3,0xee,0x41,0x2b]
+
+  it ge
+  vcvttge.f64.f16 d3, s1
+@ CHECK: vcvttge.f64.f16 d3, s1      @ encoding: [0xb2,0xee,0xe0,0x3b]
+  it gt
+  vcvttgt.f16.f64 s5, d12
+@ CHECK: vcvttgt.f16.f64 s5, d12     @ encoding: [0xf3,0xee,0xcc,0x2b]
+  it eq
+  vcvtbeq.f64.f16 d3, s1
+@ CHECK: vcvtbeq.f64.f16 d3, s1     @ encoding: [0xb2,0xee,0x60,0x3b]
+  it lt
+  vcvtblt.f16.f64 s4, d1
+@ CHECK: vcvtblt.f16.f64 s4, d1     @ encoding: [0xb3,0xee,0x41,0x2b]
+
+
+@ VCVT{A,N,P,M}
+
+  vcvta.s32.f32 s2, s3
+@ CHECK: vcvta.s32.f32 s2, s3     @ encoding: [0xbc,0xfe,0xe1,0x1a]
+  vcvta.s32.f64 s2, d3
+@ CHECK: vcvta.s32.f64 s2, d3     @ encoding: [0xbc,0xfe,0xc3,0x1b]
+  vcvtn.s32.f32 s6, s23
+@ CHECK: vcvtn.s32.f32 s6, s23     @ encoding: [0xbd,0xfe,0xeb,0x3a]
+  vcvtn.s32.f64 s6, d23
+@ CHECK: vcvtn.s32.f64 s6, d23     @ encoding: [0xbd,0xfe,0xe7,0x3b]
+  vcvtp.s32.f32 s0, s4
+@ CHECK: vcvtp.s32.f32 s0, s4     @ encoding: [0xbe,0xfe,0xc2,0x0a]
+  vcvtp.s32.f64 s0, d4
+@ CHECK: vcvtp.s32.f64 s0, d4     @ encoding: [0xbe,0xfe,0xc4,0x0b]
+  vcvtm.s32.f32 s17, s8
+@ CHECK: vcvtm.s32.f32 s17, s8     @ encoding: [0xff,0xfe,0xc4,0x8a]
+  vcvtm.s32.f64 s17, d8
+@ CHECK: vcvtm.s32.f64 s17, d8     @ encoding: [0xff,0xfe,0xc8,0x8b]
+
+  vcvta.u32.f32 s2, s3
+@ CHECK: vcvta.u32.f32 s2, s3     @ encoding: [0xbc,0xfe,0x61,0x1a]
+  vcvta.u32.f64 s2, d3
+@ CHECK: vcvta.u32.f64 s2, d3     @ encoding: [0xbc,0xfe,0x43,0x1b]
+  vcvtn.u32.f32 s6, s23
+@ CHECK: vcvtn.u32.f32 s6, s23     @ encoding: [0xbd,0xfe,0x6b,0x3a]
+  vcvtn.u32.f64 s6, d23
+@ CHECK: vcvtn.u32.f64 s6, d23     @ encoding: [0xbd,0xfe,0x67,0x3b]
+  vcvtp.u32.f32 s0, s4
+@ CHECK: vcvtp.u32.f32 s0, s4     @ encoding: [0xbe,0xfe,0x42,0x0a]
+  vcvtp.u32.f64 s0, d4
+@ CHECK: vcvtp.u32.f64 s0, d4     @ encoding: [0xbe,0xfe,0x44,0x0b]
+  vcvtm.u32.f32 s17, s8
+@ CHECK: vcvtm.u32.f32 s17, s8     @ encoding: [0xff,0xfe,0x44,0x8a]
+  vcvtm.u32.f64 s17, d8
+@ CHECK: vcvtm.u32.f64 s17, d8     @ encoding: [0xff,0xfe,0x48,0x8b]
+
+
+@ VSEL
+  vselge.f32 s4, s1, s23
+@ CHECK: vselge.f32 s4, s1, s23    @ encoding: [0x20,0xfe,0xab,0x2a]
+  vselge.f64 d30, d31, d23
+@ CHECK: vselge.f64 d30, d31, d23  @ encoding: [0x6f,0xfe,0xa7,0xeb]
+  vselgt.f32 s0, s1, s0
+@ CHECK: vselgt.f32 s0, s1, s0    @ encoding: [0x30,0xfe,0x80,0x0a]
+  vselgt.f64 d5, d10, d20
+@ CHECK: vselgt.f64 d5, d10, d20  @ encoding: [0x3a,0xfe,0x24,0x5b]
+  vseleq.f32 s30, s28, s23
+@ CHECK: vseleq.f32 s30, s28, s23 @ encoding: [0x0e,0xfe,0x2b,0xfa]
+  vseleq.f64 d2, d4, d8
+@ CHECK: vseleq.f64 d2, d4, d8    @ encoding: [0x04,0xfe,0x08,0x2b]
+  vselvs.f32 s21, s16, s14
+@ CHECK: vselvs.f32 s21, s16, s14 @ encoding: [0x58,0xfe,0x07,0xaa]
+  vselvs.f64 d0, d1, d31
+@ CHECK: vselvs.f64 d0, d1, d31   @ encoding: [0x11,0xfe,0x2f,0x0b]
+
+
+@ VMAXNM / VMINNM
+  vmaxnm.f32 s5, s12, s0
+@ CHECK: vmaxnm.f32 s5, s12, s0    @ encoding: [0xc6,0xfe,0x00,0x2a]
+  vmaxnm.f64 d5, d22, d30
+@ CHECK: vmaxnm.f64 d5, d22, d30   @ encoding: [0x86,0xfe,0xae,0x5b]
+  vminnm.f32 s0, s0, s12
+@ CHECK: vminnm.f32 s0, s0, s12    @ encoding: [0x80,0xfe,0x46,0x0a]
+  vminnm.f64 d4, d6, d9
+@ CHECK: vminnm.f64 d4, d6, d9     @ encoding: [0x86,0xfe,0x49,0x4b]
+
+@ VRINT{Z,R,X}
+  it ge
+  vrintzge.f64 d3, d12
+@ CHECK: vrintzge.f64 d3, d12   @ encoding: [0xb6,0xee,0xcc,0x3b]
+  vrintz.f32 s3, s24
+@ CHECK: vrintz.f32 s3, s24     @ encoding: [0xf6,0xee,0xcc,0x1a]
+  it lt
+  vrintrlt.f64 d5, d0
+@ CHECK: vrintrlt.f64 d5, d0    @ encoding: [0xb6,0xee,0x40,0x5b]
+  vrintr.f32 s0, s9
+@ CHECK: vrintr.f32 s0, s9      @ encoding: [0xb6,0xee,0x64,0x0a]
+  it eq
+  vrintxeq.f64 d28, d30
+@ CHECK: vrintxeq.f64 d28, d30  @ encoding: [0xf7,0xee,0x6e,0xcb]
+  it vs
+  vrintxvs.f32 s10, s14
+@ CHECK: vrintxvs.f32 s10, s14  @ encoding: [0xb7,0xee,0x47,0x5a]
+
+@ VRINT{A,N,P,M}
+
+  vrinta.f64 d3, d4
+@ CHECK: vrinta.f64 d3, d4     @ encoding: [0xb8,0xfe,0x44,0x3b]
+  vrinta.f32 s12, s1
+@ CHECK: vrinta.f32 s12, s1    @ encoding: [0xb8,0xfe,0x60,0x6a]
+  vrintn.f64 d3, d4
+@ CHECK: vrintn.f64 d3, d4     @ encoding: [0xb9,0xfe,0x44,0x3b]
+  vrintn.f32 s12, s1
+@ CHECK: vrintn.f32 s12, s1    @ encoding: [0xb9,0xfe,0x60,0x6a]
+  vrintp.f64 d3, d4
+@ CHECK: vrintp.f64 d3, d4     @ encoding: [0xba,0xfe,0x44,0x3b]
+  vrintp.f32 s12, s1
+@ CHECK: vrintp.f32 s12, s1    @ encoding: [0xba,0xfe,0x60,0x6a]
+  vrintm.f64 d3, d4
+@ CHECK: vrintm.f64 d3, d4     @ encoding: [0xbb,0xfe,0x44,0x3b]
+  vrintm.f32 s12, s1
+@ CHECK: vrintm.f32 s12, s1    @ encoding: [0xbb,0xfe,0x60,0x6a]
diff --git a/test/MC/Disassembler/ARM/thumb-v8fp.txt b/test/MC/Disassembler/ARM/thumb-v8fp.txt
new file mode 100644
index 00000000000..345719242b0
--- /dev/null
+++ b/test/MC/Disassembler/ARM/thumb-v8fp.txt
@@ -0,0 +1,163 @@
+# RUN: llvm-mc -disassemble -triple thumbv8 -mattr=+v8fp -show-encoding < %s | FileCheck %s
+
+0xb2 0xee 0xe0 0x3b
+# CHECK: vcvtt.f64.f16 d3, s1
+
+0xf3 0xee 0xcc 0x2b
+# CHECK: vcvtt.f16.f64 s5, d12
+
+0xb2 0xee 0x60 0x3b
+# CHECK: vcvtb.f64.f16 d3, s1
+
+0xb3 0xee 0x41 0x2b
+# CHECK: vcvtb.f16.f64 s4, d1
+
+0xa8 0xbf # IT block
+0xb2 0xee 0xe0 0x3b
+# CHECK: vcvttge.f64.f16 d3, s1
+
+0xc8 0xbf # IT block
+0xf3 0xee 0xcc 0x2b
+# CHECK: vcvttgt.f16.f64 s5, d12
+
+0x08 0xbf # IT block
+0xb2 0xee 0x60 0x3b
+# CHECK: vcvtbeq.f64.f16 d3, s1
+
+0xb8 0xbf # IT block
+0xb3 0xee 0x41 0x2b
+# CHECK: vcvtblt.f16.f64 s4, d1
+
+
+0xbc 0xfe 0xe1 0x1a
+# CHECK: vcvta.s32.f32 s2, s3
+
+0xbc 0xfe 0xc3 0x1b
+# CHECK: vcvta.s32.f64 s2, d3
+
+0xbd 0xfe 0xeb 0x3a
+# CHECK: vcvtn.s32.f32 s6, s23
+
+0xbd 0xfe 0xe7 0x3b
+# CHECK: vcvtn.s32.f64 s6, d23
+
+0xbe 0xfe 0xc2 0x0a
+# CHECK: vcvtp.s32.f32 s0, s4
+
+0xbe 0xfe 0xc4 0x0b
+# CHECK: vcvtp.s32.f64 s0, d4
+
+0xff 0xfe 0xc4 0x8a
+# CHECK: vcvtm.s32.f32 s17, s8
+
+0xff 0xfe 0xc8 0x8b
+# CHECK: vcvtm.s32.f64 s17, d8
+
+0xbc 0xfe 0x61 0x1a
+# CHECK: vcvta.u32.f32 s2, s3
+
+0xbc 0xfe 0x43 0x1b
+# CHECK: vcvta.u32.f64 s2, d3
+
+0xbd 0xfe 0x6b 0x3a
+# CHECK: vcvtn.u32.f32 s6, s23
+
+0xbd 0xfe 0x67 0x3b
+# CHECK: vcvtn.u32.f64 s6, d23
+
+0xbe 0xfe 0x42 0x0a
+# CHECK: vcvtp.u32.f32 s0, s4
+
+0xbe 0xfe 0x44 0x0b
+# CHECK: vcvtp.u32.f64 s0, d4
+
+0xff 0xfe 0x44 0x8a
+# CHECK: vcvtm.u32.f32 s17, s8
+
+0xff 0xfe 0x48 0x8b
+# CHECK: vcvtm.u32.f64 s17, d8
+
+
+0x20 0xfe 0xab 0x2a
+# CHECK: vselge.f32 s4, s1, s23
+
+0x6f 0xfe 0xa7 0xeb
+# CHECK: vselge.f64 d30, d31, d23
+
+0x30 0xfe 0x80 0x0a
+# CHECK: vselgt.f32 s0, s1, s0
+
+0x3a 0xfe 0x24 0x5b
+# CHECK: vselgt.f64 d5, d10, d20
+
+0x0e 0xfe 0x2b 0xfa
+# CHECK: vseleq.f32 s30, s28, s23
+
+0x04 0xfe 0x08 0x2b
+# CHECK: vseleq.f64 d2, d4, d8
+
+0x58 0xfe 0x07 0xaa
+# CHECK: vselvs.f32 s21, s16, s14
+
+0x11 0xfe 0x2f 0x0b
+# CHECK: vselvs.f64 d0, d1, d31
+
+
+0xc6 0xfe 0x00 0x2a
+# CHECK: vmaxnm.f32 s5, s12, s0
+
+0x86 0xfe 0xae 0x5b
+# CHECK: vmaxnm.f64 d5, d22, d30
+
+0x80 0xfe 0x46 0x0a
+# CHECK: vminnm.f32 s0, s0, s12
+
+0x86 0xfe 0x49 0x4b
+# CHECK: vminnm.f64 d4, d6, d9
+
+
+0xa8 0xbf # IT block
+0xb6 0xee 0xcc 0x3b
+# CHECK: vrintzge.f64 d3, d12
+
+0xf6 0xee 0xcc 0x1a
+# CHECK: vrintz.f32 s3, s24
+
+0xb8 0xbf # IT block
+0xb6 0xee 0x40 0x5b
+# CHECK: vrintrlt.f64 d5, d0
+
+0xb6 0xee 0x64 0x0a
+# CHECK: vrintr.f32 s0, s9
+
+0x08 0xbf # IT block
+0xf7 0xee 0x6e 0xcb
+# CHECK: vrintxeq.f64 d28, d30
+
+0x68 0xbf # IT block
+0xb7 0xee 0x47 0x5a
+# CHECK: vrintxvs.f32 s10, s14
+
+0xb8 0xfe 0x44 0x3b
+# CHECK: vrinta.f64 d3, d4
+
+0xb8 0xfe 0x60 0x6a
+# CHECK: vrinta.f32 s12, s1
+
+0xb9 0xfe 0x44 0x3b
+# CHECK: vrintn.f64 d3, d4
+
+0xb9 0xfe 0x60 0x6a
+# CHECK: vrintn.f32 s12, s1
+
+0xba 0xfe 0x44 0x3b
+# CHECK: vrintp.f64 d3, d4
+
+0xba 0xfe 0x60 0x6a
+# CHECK: vrintp.f32 s12, s1
+
+0xbb 0xfe 0x44 0x3b
+# CHECK: vrintm.f64 d3, d4
+
+0xbb 0xfe 0x60 0x6a
+# CHECK: vrintm.f32 s12, s1