diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td
index 0b3621469dc..db2b5324590 100644
--- a/lib/Target/X86/X86InstrSSE.td
+++ b/lib/Target/X86/X86InstrSSE.td
@@ -2576,6 +2576,23 @@ let Predicates = [HasSSE2] in {
 // SSE2 - Packed Integer Comparison Instructions
 //===---------------------------------------------------------------------===//
 
+let isAsmParserOnly = 1, Predicates = [HasAVX, HasSSE2] in {
+  let isCommutable = 1 in {
+  defm VPCMPEQB  : PDI_binop_rm_int<0x74, "vpcmpeqb", int_x86_sse2_pcmpeq_b, 0>,
+                                   VEX_4V;
+  defm VPCMPEQW  : PDI_binop_rm_int<0x75, "vpcmpeqw", int_x86_sse2_pcmpeq_w, 0>,
+                                   VEX_4V;
+  defm VPCMPEQD  : PDI_binop_rm_int<0x76, "vpcmpeqd", int_x86_sse2_pcmpeq_d, 0>,
+                                   VEX_4V;
+  }
+  defm VPCMPGTB  : PDI_binop_rm_int<0x64, "vpcmpgtb", int_x86_sse2_pcmpgt_b, 0>,
+                                   VEX_4V;
+  defm VPCMPGTW  : PDI_binop_rm_int<0x65, "vpcmpgtw", int_x86_sse2_pcmpgt_w, 0>,
+                                   VEX_4V;
+  defm VPCMPGTD  : PDI_binop_rm_int<0x66, "vpcmpgtd", int_x86_sse2_pcmpgt_d, 0>,
+                                   VEX_4V;
+}
+
 let Constraints = "$src1 = $dst" in {
   let isCommutable = 1 in {
   defm PCMPEQB  : PDI_binop_rm_int<0x74, "pcmpeqb", int_x86_sse2_pcmpeq_b>;
diff --git a/test/MC/AsmParser/X86/x86_32-encoding.s b/test/MC/AsmParser/X86/x86_32-encoding.s
index 398430e5bb0..7a6655663ed 100644
--- a/test/MC/AsmParser/X86/x86_32-encoding.s
+++ b/test/MC/AsmParser/X86/x86_32-encoding.s
@@ -11322,3 +11322,51 @@
 // CHECK: encoding: [0xc5,0xe9,0xdf,0x18]
           vpandn  (%eax), %xmm2, %xmm3
 
+// CHECK: vpcmpeqb  %xmm1, %xmm2, %xmm3
+// CHECK: encoding: [0xc5,0xe9,0x74,0xd9]
+          vpcmpeqb  %xmm1, %xmm2, %xmm3
+
+// CHECK: vpcmpeqb  (%eax), %xmm2, %xmm3
+// CHECK: encoding: [0xc5,0xe9,0x74,0x18]
+          vpcmpeqb  (%eax), %xmm2, %xmm3
+
+// CHECK: vpcmpeqw  %xmm1, %xmm2, %xmm3
+// CHECK: encoding: [0xc5,0xe9,0x75,0xd9]
+          vpcmpeqw  %xmm1, %xmm2, %xmm3
+
+// CHECK: vpcmpeqw  (%eax), %xmm2, %xmm3
+// CHECK: encoding: [0xc5,0xe9,0x75,0x18]
+          vpcmpeqw  (%eax), %xmm2, %xmm3
+
+// CHECK: vpcmpeqd  %xmm1, %xmm2, %xmm3
+// CHECK: encoding: [0xc5,0xe9,0x76,0xd9]
+          vpcmpeqd  %xmm1, %xmm2, %xmm3
+
+// CHECK: vpcmpeqd  (%eax), %xmm2, %xmm3
+// CHECK: encoding: [0xc5,0xe9,0x76,0x18]
+          vpcmpeqd  (%eax), %xmm2, %xmm3
+
+// CHECK: vpcmpgtb  %xmm1, %xmm2, %xmm3
+// CHECK: encoding: [0xc5,0xe9,0x64,0xd9]
+          vpcmpgtb  %xmm1, %xmm2, %xmm3
+
+// CHECK: vpcmpgtb  (%eax), %xmm2, %xmm3
+// CHECK: encoding: [0xc5,0xe9,0x64,0x18]
+          vpcmpgtb  (%eax), %xmm2, %xmm3
+
+// CHECK: vpcmpgtw  %xmm1, %xmm2, %xmm3
+// CHECK: encoding: [0xc5,0xe9,0x65,0xd9]
+          vpcmpgtw  %xmm1, %xmm2, %xmm3
+
+// CHECK: vpcmpgtw  (%eax), %xmm2, %xmm3
+// CHECK: encoding: [0xc5,0xe9,0x65,0x18]
+          vpcmpgtw  (%eax), %xmm2, %xmm3
+
+// CHECK: vpcmpgtd  %xmm1, %xmm2, %xmm3
+// CHECK: encoding: [0xc5,0xe9,0x66,0xd9]
+          vpcmpgtd  %xmm1, %xmm2, %xmm3
+
+// CHECK: vpcmpgtd  (%eax), %xmm2, %xmm3
+// CHECK: encoding: [0xc5,0xe9,0x66,0x18]
+          vpcmpgtd  (%eax), %xmm2, %xmm3
+
diff --git a/test/MC/AsmParser/X86/x86_64-encoding.s b/test/MC/AsmParser/X86/x86_64-encoding.s
index 275e1c7b8b2..73f624ae958 100644
--- a/test/MC/AsmParser/X86/x86_64-encoding.s
+++ b/test/MC/AsmParser/X86/x86_64-encoding.s
@@ -1362,3 +1362,51 @@ pshufb	CPI1_0(%rip), %xmm1
 // CHECK: encoding: [0xc5,0x19,0xdf,0x28]
           vpandn  (%rax), %xmm12, %xmm13
 
+// CHECK: vpcmpeqb  %xmm11, %xmm12, %xmm13
+// CHECK: encoding: [0xc4,0x41,0x19,0x74,0xeb]
+          vpcmpeqb  %xmm11, %xmm12, %xmm13
+
+// CHECK: vpcmpeqb  (%rax), %xmm12, %xmm13
+// CHECK: encoding: [0xc5,0x19,0x74,0x28]
+          vpcmpeqb  (%rax), %xmm12, %xmm13
+
+// CHECK: vpcmpeqw  %xmm11, %xmm12, %xmm13
+// CHECK: encoding: [0xc4,0x41,0x19,0x75,0xeb]
+          vpcmpeqw  %xmm11, %xmm12, %xmm13
+
+// CHECK: vpcmpeqw  (%rax), %xmm12, %xmm13
+// CHECK: encoding: [0xc5,0x19,0x75,0x28]
+          vpcmpeqw  (%rax), %xmm12, %xmm13
+
+// CHECK: vpcmpeqd  %xmm11, %xmm12, %xmm13
+// CHECK: encoding: [0xc4,0x41,0x19,0x76,0xeb]
+          vpcmpeqd  %xmm11, %xmm12, %xmm13
+
+// CHECK: vpcmpeqd  (%rax), %xmm12, %xmm13
+// CHECK: encoding: [0xc5,0x19,0x76,0x28]
+          vpcmpeqd  (%rax), %xmm12, %xmm13
+
+// CHECK: vpcmpgtb  %xmm11, %xmm12, %xmm13
+// CHECK: encoding: [0xc4,0x41,0x19,0x64,0xeb]
+          vpcmpgtb  %xmm11, %xmm12, %xmm13
+
+// CHECK: vpcmpgtb  (%rax), %xmm12, %xmm13
+// CHECK: encoding: [0xc5,0x19,0x64,0x28]
+          vpcmpgtb  (%rax), %xmm12, %xmm13
+
+// CHECK: vpcmpgtw  %xmm11, %xmm12, %xmm13
+// CHECK: encoding: [0xc4,0x41,0x19,0x65,0xeb]
+          vpcmpgtw  %xmm11, %xmm12, %xmm13
+
+// CHECK: vpcmpgtw  (%rax), %xmm12, %xmm13
+// CHECK: encoding: [0xc5,0x19,0x65,0x28]
+          vpcmpgtw  (%rax), %xmm12, %xmm13
+
+// CHECK: vpcmpgtd  %xmm11, %xmm12, %xmm13
+// CHECK: encoding: [0xc4,0x41,0x19,0x66,0xeb]
+          vpcmpgtd  %xmm11, %xmm12, %xmm13
+
+// CHECK: vpcmpgtd  (%rax), %xmm12, %xmm13
+// CHECK: encoding: [0xc5,0x19,0x66,0x28]
+          vpcmpgtd  (%rax), %xmm12, %xmm13
+