Index: lib/Target/AMDGPU/VOP3Instructions.td
===================================================================
--- lib/Target/AMDGPU/VOP3Instructions.td
+++ lib/Target/AMDGPU/VOP3Instructions.td
@@ -292,6 +292,7 @@
 def V_AND_OR_B32 : VOP3Inst <"v_and_or_b32", VOP3_Profile<VOP_I32_I32_I32_I32>>;
 def V_OR3_B32 : VOP3Inst <"v_or3_b32", VOP3_Profile<VOP_I32_I32_I32_I32>>;
 
+def V_XAD_U32 : VOP3Inst <"v_xad_u32", VOP3_Profile<VOP_I32_I32_I32_I32>>;
 def V_MED3_F16 : VOP3Inst <"v_med3_f16", VOP3_Profile<VOP_F16_F16_F16_F16>, AMDGPUfmed3>;
 def V_MED3_I16 : VOP3Inst <"v_med3_i16", VOP3_Profile<VOP_I16_I16_I16_I16>, AMDGPUsmed3>;
 def V_MED3_U16 : VOP3Inst <"v_med3_u16", VOP3_Profile<VOP_I16_I16_I16_I16>, AMDGPUumed3>;
@@ -492,6 +493,7 @@
 defm V_OR3_B32 : VOP3_Real_vi <0x202>;
 defm V_PACK_B32_F16 : VOP3_Real_vi <0x2a0>;
 
+defm V_XAD_U32 : VOP3_Real_vi <0x1f3>;
 defm V_MED3_F16 : VOP3_Real_vi <0x1fa>;
 defm V_MED3_I16 : VOP3_Real_vi <0x1fb>;
 defm V_MED3_U16 : VOP3_Real_vi <0x1fc>;
Index: test/MC/AMDGPU/vop3-gfx9.s
===================================================================
--- test/MC/AMDGPU/vop3-gfx9.s
+++ test/MC/AMDGPU/vop3-gfx9.s
@@ -31,6 +31,10 @@
 // GFX9: v_pack_b32_f16 v1, v2, v3 ; encoding: [0x01,0x00,0xa0,0xd2,0x02,0x07,0x02,0x00]
 // NOVI: :1: error: instruction not supported on this GPU
 
+v_xad_u32 v1, v2, v3, v4
+// GFX9: v_xad_u32 v1, v2, v3, v4 ; encoding: [0x01,0x00,0xf3,0xd1,0x02,0x07,0x12,0x04]
+// NOVI: :1: error: instruction not supported on this GPU
+
 v_med3_f16 v1, v2, v3, v4
 // GFX9: v_med3_f16 v1, v2, v3, v4 ; encoding: [0x01,0x00,0xfa,0xd1,0x02,0x07,0x12,0x04]
 // NOVI: :1: error: instruction not supported on this GPU