//Register a comparison opcode (CMP or CMN) which does not allow the S bit and does
//not modify a destination register.
internal void RegisterDataOpAWC_CMP(DataOpAWCOperation opHandler, uint base_opcode, string basename)
{
DataOpBuilderAWC b = new DataOpBuilderAWCCMP();
b.opcode = base_opcode;
b.name = basename;
b.opHandler = opHandler;
b.owner = this;
b.StartBuild();
}
/************* FUNCTIONS TO CREATE AND REGISTER DATA OPS *************/
//Register an arithmetic opcode which allows the S bit.
internal void RegisterDataOpAWC(DataOpAWCOperation opHandler, uint base_opcode, string basename)
{
#if DEBUG
if ((base_opcode & s_mask) != 0)
{
throw new Exception("base_opcode and s_mask not disjoint registering " + basename);
}
#endif
DataOpBuilderAWC b = new DataOpBuilderAWC();
b.opcode = base_opcode;
b.name = basename;
b.opHandler = opHandler;
b.owner = this;
b.StartBuild();
}
internal InstructionFunc GenerateAWCDataOp(DataOpEvaluateOperand2Func EvaluateOperand2, DataOpAWCOperation AWCOp, DataOpSaveResultFunc SaveResult, DataOpHandleSetFlagsAWCFunc SetFlags)
{
return(delegate(uint opcode)
{
uint Rd = ((opcode & rd_mask) >> 12);
uint Rn = ((opcode & rn_mask) >> 16);
uint a = get_reg(Rn);
bool shift_carry = false;
uint b = EvaluateOperand2(opcode, ref shift_carry);
AWCResult awcResult = AWCOp(a, b);
SaveResult(Rd, awcResult.result);
SetFlags(opcode, Rd, awcResult);
return 1;
});
}