diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td
index db2b5324590..921954f9247 100644
--- a/lib/Target/X86/X86InstrSSE.td
+++ b/lib/Target/X86/X86InstrSSE.td
@@ -2634,6 +2634,15 @@ def : Pat<(v4i32 (X86pcmpgtd VR128:$src1, (memop addr:$src2))),
 // SSE2 - Packed Integer Pack Instructions
 //===---------------------------------------------------------------------===//
 
+let isAsmParserOnly = 1, Predicates = [HasAVX, HasSSE2] in {
+defm VPACKSSWB : PDI_binop_rm_int<0x63, "vpacksswb", int_x86_sse2_packsswb_128,
+                                  0>, VEX_4V;
+defm VPACKSSDW : PDI_binop_rm_int<0x6B, "vpackssdw", int_x86_sse2_packssdw_128,
+                                  0>, VEX_4V;
+defm VPACKUSWB : PDI_binop_rm_int<0x67, "vpackuswb", int_x86_sse2_packuswb_128,
+                                  0>, VEX_4V;
+}
+
 let Constraints = "$src1 = $dst" in {
 defm PACKSSWB : PDI_binop_rm_int<0x63, "packsswb", int_x86_sse2_packsswb_128>;
 defm PACKSSDW : PDI_binop_rm_int<0x6B, "packssdw", int_x86_sse2_packssdw_128>;
diff --git a/test/MC/AsmParser/X86/x86_32-encoding.s b/test/MC/AsmParser/X86/x86_32-encoding.s
index 7a6655663ed..4d2cd8f2d08 100644
--- a/test/MC/AsmParser/X86/x86_32-encoding.s
+++ b/test/MC/AsmParser/X86/x86_32-encoding.s
@@ -11370,3 +11370,27 @@
 // CHECK: encoding: [0xc5,0xe9,0x66,0x18]
           vpcmpgtd  (%eax), %xmm2, %xmm3
 
+// CHECK: vpacksswb  %xmm1, %xmm2, %xmm3
+// CHECK: encoding: [0xc5,0xe9,0x63,0xd9]
+          vpacksswb  %xmm1, %xmm2, %xmm3
+
+// CHECK: vpacksswb  (%eax), %xmm2, %xmm3
+// CHECK: encoding: [0xc5,0xe9,0x63,0x18]
+          vpacksswb  (%eax), %xmm2, %xmm3
+
+// CHECK: vpackssdw  %xmm1, %xmm2, %xmm3
+// CHECK: encoding: [0xc5,0xe9,0x6b,0xd9]
+          vpackssdw  %xmm1, %xmm2, %xmm3
+
+// CHECK: vpackssdw  (%eax), %xmm2, %xmm3
+// CHECK: encoding: [0xc5,0xe9,0x6b,0x18]
+          vpackssdw  (%eax), %xmm2, %xmm3
+
+// CHECK: vpackuswb  %xmm1, %xmm2, %xmm3
+// CHECK: encoding: [0xc5,0xe9,0x67,0xd9]
+          vpackuswb  %xmm1, %xmm2, %xmm3
+
+// CHECK: vpackuswb  (%eax), %xmm2, %xmm3
+// CHECK: encoding: [0xc5,0xe9,0x67,0x18]
+          vpackuswb  (%eax), %xmm2, %xmm3
+
diff --git a/test/MC/AsmParser/X86/x86_64-encoding.s b/test/MC/AsmParser/X86/x86_64-encoding.s
index 73f624ae958..d4e25645083 100644
--- a/test/MC/AsmParser/X86/x86_64-encoding.s
+++ b/test/MC/AsmParser/X86/x86_64-encoding.s
@@ -1410,3 +1410,27 @@ pshufb	CPI1_0(%rip), %xmm1
 // CHECK: encoding: [0xc5,0x19,0x66,0x28]
           vpcmpgtd  (%rax), %xmm12, %xmm13
 
+// CHECK: vpacksswb  %xmm11, %xmm12, %xmm13
+// CHECK: encoding: [0xc4,0x41,0x19,0x63,0xeb]
+          vpacksswb  %xmm11, %xmm12, %xmm13
+
+// CHECK: vpacksswb  (%rax), %xmm12, %xmm13
+// CHECK: encoding: [0xc5,0x19,0x63,0x28]
+          vpacksswb  (%rax), %xmm12, %xmm13
+
+// CHECK: vpackssdw  %xmm11, %xmm12, %xmm13
+// CHECK: encoding: [0xc4,0x41,0x19,0x6b,0xeb]
+          vpackssdw  %xmm11, %xmm12, %xmm13
+
+// CHECK: vpackssdw  (%rax), %xmm12, %xmm13
+// CHECK: encoding: [0xc5,0x19,0x6b,0x28]
+          vpackssdw  (%rax), %xmm12, %xmm13
+
+// CHECK: vpackuswb  %xmm11, %xmm12, %xmm13
+// CHECK: encoding: [0xc4,0x41,0x19,0x67,0xeb]
+          vpackuswb  %xmm11, %xmm12, %xmm13
+
+// CHECK: vpackuswb  (%rax), %xmm12, %xmm13
+// CHECK: encoding: [0xc5,0x19,0x67,0x28]
+          vpackuswb  (%rax), %xmm12, %xmm13
+