Index: lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp
===================================================================
--- lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp
+++ lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp
@@ -3702,8 +3702,10 @@
     AMDGPUOperand &Op = ((AMDGPUOperand &)*Operands[I]);
     if (isRegOrImmWithInputMods(Desc, Inst.getNumOperands())) {
       Op.addRegOrImmWithFPInputModsOperands(Inst, 2);
-    } else if (Op.isImm()) {
+    } else if (Op.isImmModifier()) {
       OptionalIdx[Op.getImmTy()] = I;
+    } else if (Op.isRegOrImm()) {
+      Op.addRegOrImmOperands(Inst, 1);
     } else {
       llvm_unreachable("unhandled operand type");
     }
Index: lib/Target/AMDGPU/VOPCInstructions.td
===================================================================
--- lib/Target/AMDGPU/VOPCInstructions.td
+++ lib/Target/AMDGPU/VOPCInstructions.td
@@ -563,7 +563,7 @@
   VOPC_Class_Pseudos <opName, VOPC_I1_F16_I32, 0>;
 
 multiclass VOPCX_CLASS_F16 <string opName> :
-  VOPC_Class_Pseudos <opName, VOPC_I1_F32_I32, 1>;
+  VOPC_Class_Pseudos <opName, VOPC_I1_F16_I32, 1>;
 
 multiclass VOPC_CLASS_F32 <string opName> :
   VOPC_Class_Pseudos <opName, VOPC_I1_F32_I32, 0>;
Index: test/MC/AMDGPU/vop3.s
===================================================================
--- test/MC/AMDGPU/vop3.s
+++ test/MC/AMDGPU/vop3.s
@@ -400,6 +400,30 @@
 // VI: v_mad_i64_i32 v[5:6], s[12:13], s1, 0, v[254:255] ; encoding: [0x05,0x0c,0xe9,0xd1,0x01,0x00,0xf9,0x07]
 // NOSI: error: instruction not supported on this GPU
 
+v_cmp_class_f16_e64 s[10:11], v1, s2
+// NOSICI: error: instruction not supported on this GPU
+// VI: v_cmp_class_f16_e64 s[10:11], v1, s2 ; encoding: [0x0a,0x00,0x14,0xd0,0x01,0x05,0x00,0x00]
+
+v_cmp_class_f32_e64 s[10:11], -v1, s2
+// SICI: v_cmp_class_f32_e64 s[10:11], -v1, s2 ; encoding: [0x0a,0x00,0x10,0xd1,0x01,0x05,0x00,0x20]
+// VI:   v_cmp_class_f32_e64 s[10:11], -v1, s2 ; encoding: [0x0a,0x00,0x10,0xd0,0x01,0x05,0x00,0x20]
+
+v_cmp_class_f64_e64 s[10:11], -v[254:255], s2
+// SICI: v_cmp_class_f64_e64 s[10:11], -v[254:255], s2 ; encoding: [0x0a,0x00,0x50,0xd1,0xfe,0x05,0x00,0x20]
+// VI:   v_cmp_class_f64_e64 s[10:11], -v[254:255], s2 ; encoding: [0x0a,0x00,0x12,0xd0,0xfe,0x05,0x00,0x20]
+
+v_cmpx_class_f16_e64 s[10:11], v255, s2
+// NOSICI: error: instruction not supported on this GPU
+// VI: v_cmpx_class_f16_e64 s[10:11], v255, s2 ; encoding: [0x0a,0x00,0x15,0xd0,0xff,0x05,0x00,0x00]
+
+v_cmpx_class_f32_e64 s[10:11], 0, s101
+// SICI: v_cmpx_class_f32_e64 s[10:11], 0, s101 ; encoding: [0x0a,0x00,0x30,0xd1,0x80,0xca,0x00,0x00]
+// VI:   v_cmpx_class_f32_e64 s[10:11], 0, s101 ; encoding: [0x0a,0x00,0x11,0xd0,0x80,0xca,0x00,0x00]
+
+v_cmpx_class_f64_e64 s[10:11], -v[1:2], s2
+// SICI: v_cmpx_class_f64_e64 s[10:11], -v[1:2], s2 ; encoding: [0x0a,0x00,0x70,0xd1,0x01,0x05,0x00,0x20]
+// VI:   v_cmpx_class_f64_e64 s[10:11], -v[1:2], s2 ; encoding: [0x0a,0x00,0x13,0xd0,0x01,0x05,0x00,0x20]
+
 //
 // Modifier tests:
 //