marked V_MAD_{I16,U16} as commutable

Author: easyonaadit

llvm/lib/Target/AMDGPU/VOP3Instructions.td

@@ -344,8 +344,10 @@ let FPDPRounding = 1 in {
 
 let SubtargetPredicate = Has16BitInsts, isCommutable = 1 in {
 
-defm V_MAD_U16 : VOP3Inst <"v_mad_u16", VOP3_Profile<VOP_I16_I16_I16_I16, VOP3_CLAMP>>;
-defm V_MAD_I16 : VOP3Inst <"v_mad_i16", VOP3_Profile<VOP_I16_I16_I16_I16, VOP3_CLAMP>>;
+let isCommutable = 1{
+  defm V_MAD_U16 : VOP3Inst <"v_mad_u16", VOP3_Profile<VOP_I16_I16_I16_I16, VOP3_CLAMP>>;
+  defm V_MAD_I16 : VOP3Inst <"v_mad_i16", VOP3_Profile<VOP_I16_I16_I16_I16, VOP3_CLAMP>>;
+}
 let FPDPRounding = 1 in {
   defm V_MAD_F16 : VOP3Inst <"v_mad_f16", VOP3_Profile<VOP_F16_F16_F16_F16>, any_fmad>;
   let Uses = [MODE, M0, EXEC] in {