public static void Imnmx(EmitterContext context)
{
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
bool isSignedInt = op.RawOpCode.Extract(48);
Operand srcA = GetSrcA(context);
Operand srcB = GetSrcB(context);
Operand resMin = isSignedInt
? context.IMinimumS32(srcA, srcB)
: context.IMinimumU32(srcA, srcB);
Operand resMax = isSignedInt
? context.IMaximumS32(srcA, srcB)
: context.IMaximumU32(srcA, srcB);
Operand pred = GetPredicate39(context);
Operand dest = GetDest(context);
context.Copy(dest, context.ConditionalSelect(pred, resMin, resMax));
SetZnFlags(context, dest, op.SetCondCode);
// TODO: X flags.
}
public static void Iscadd(EmitterContext context)
{
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
bool negateA = false, negateB = false;
if (!(op is OpCodeAluImm32))
{
negateB = op.RawOpCode.Extract(48);
negateA = op.RawOpCode.Extract(49);
}
int shift = op is OpCodeAluImm32
? op.RawOpCode.Extract(53, 5)
: op.RawOpCode.Extract(39, 5);
Operand srcA = GetSrcA(context);
Operand srcB = GetSrcB(context);
srcA = context.ShiftLeft(srcA, Const(shift));
srcA = context.INegate(srcA, negateA);
srcB = context.INegate(srcB, negateB);
Operand res = context.IAdd(srcA, srcB);
SetIaddFlags(context, res, srcA, srcB, op.SetCondCode, false);
context.Copy(GetDest(context), res);
}
public static void Shl(EmitterContext context)
{
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
bool isMasked = op.RawOpCode.Extract(39);
Operand srcB = GetSrcB(context);
if (isMasked)
{
srcB = context.BitwiseAnd(srcB, Const(0x1f));
}
Operand res = context.ShiftLeft(GetSrcA(context), srcB);
if (!isMasked)
{
// Clamped shift value.
Operand isLessThan32 = context.ICompareLessUnsigned(srcB, Const(32));
res = context.ConditionalSelect(isLessThan32, res, Const(0));
}
// TODO: X, CC
context.Copy(GetDest(context), res);
}
public static void I2F(EmitterContext context)
{
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
FPType dstType = (FPType)op.RawOpCode.Extract(8, 2);
IntegerType srcType = (IntegerType)op.RawOpCode.Extract(10, 2);
bool isSmallInt = srcType <= IntegerType.U16;
bool isSignedInt = op.RawOpCode.Extract(13);
bool negateB = op.RawOpCode.Extract(45);
bool absoluteB = op.RawOpCode.Extract(49);
Operand srcB = context.IAbsNeg(GetSrcB(context), absoluteB, negateB);
if (isSmallInt)
{
int size = srcType == IntegerType.U16 ? 16 : 8;
srcB = isSignedInt
? context.BitfieldExtractS32(srcB, Const(op.ByteSelection * 8), Const(size))
: context.BitfieldExtractU32(srcB, Const(op.ByteSelection * 8), Const(size));
}
srcB = isSignedInt
? context.IConvertS32ToFP(srcB)
: context.IConvertU32ToFP(srcB);
WriteFP(context, dstType, srcB);
// TODO: CC.
}
public static void Iadd(EmitterContext context)
{
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
bool negateA = false, negateB = false;
if (!(op is OpCodeAluImm32))
{
negateB = op.RawOpCode.Extract(48);
negateA = op.RawOpCode.Extract(49);
}
Operand srcA = context.INegate(GetSrcA(context), negateA);
Operand srcB = context.INegate(GetSrcB(context), negateB);
Operand res = context.IAdd(srcA, srcB);
bool isSubtraction = negateA || negateB;
if (op.Extended)
{
//Add carry, or subtract borrow.
res = context.IAdd(res, isSubtraction
? context.BitwiseNot(GetCF(context))
: context.BitwiseAnd(GetCF(context), Const(1)));
}
SetIaddFlags(context, res, srcA, srcB, op.SetCondCode, op.Extended, isSubtraction);
context.Copy(GetDest(context), res);
}
public static void R2p(EmitterContext context)
{
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
bool isCC = op.RawOpCode.Extract(40);
int shift = op.RawOpCode.Extract(41, 2) * 8;
Operand value = GetSrcA(context);
Operand mask = GetSrcB(context);
Operand Test(Operand value, int bit)
{
return(context.ICompareNotEqual(context.BitwiseAnd(value, Const(1 << bit)), Const(0)));
}
if (isCC)
{
// TODO: Support Register to condition code flags copy.
context.Config.PrintLog("R2P.CC not implemented.");
}
else
{
for (int bit = 0; bit < 7; bit++)
{
Operand pred = Register(bit, RegisterType.Predicate);
Operand res = context.ConditionalSelect(Test(mask, bit), Test(value, bit + shift), pred);
context.Copy(pred, res);
}
}
}
public static void Iadd(EmitterContext context)
{
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
bool negateA = false, negateB = false;
if (!(op is OpCodeAluImm32))
{
negateB = op.RawOpCode.Extract(48);
negateA = op.RawOpCode.Extract(49);
}
else
{
// TODO: Other IADD32I variant without the negate.
negateA = op.RawOpCode.Extract(56);
}
Operand srcA = context.INegate(GetSrcA(context), negateA);
Operand srcB = context.INegate(GetSrcB(context), negateB);
Operand res = context.IAdd(srcA, srcB);
if (op.Extended)
{
res = context.IAdd(res, context.BitwiseAnd(GetCF(), Const(1)));
}
SetIaddFlags(context, res, srcA, srcB, op.SetCondCode, op.Extended);
context.Copy(GetDest(context), res);
}
public static void Bfe(EmitterContext context)
{
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
bool isReverse = op.RawOpCode.Extract(40);
bool isSigned = op.RawOpCode.Extract(48);
Operand srcA = GetSrcA(context);
Operand srcB = GetSrcB(context);
if (isReverse)
{
srcA = context.BitfieldReverse(srcA);
}
Operand position = context.BitwiseAnd(srcB, Const(0xff));
Operand size = context.BitfieldExtractU32(srcB, Const(8), Const(8));
Operand res = isSigned
? context.BitfieldExtractS32(srcA, position, size)
: context.BitfieldExtractU32(srcA, position, size);
context.Copy(GetDest(context), res);
// TODO: CC, X, corner cases
}
public static void S2r(EmitterContext context)
{
// TODO: Better impl.
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
SystemRegister sysReg = (SystemRegister)op.RawOpCode.Extract(20, 8);
Operand src;
switch (sysReg)
{
case SystemRegister.LaneId: src = Attribute(AttributeConsts.LaneId); break;
// TODO: Use value from Y direction GPU register.
case SystemRegister.YDirection: src = ConstF(1); break;
case SystemRegister.ThreadId:
{
Operand tidX = Attribute(AttributeConsts.ThreadIdX);
Operand tidY = Attribute(AttributeConsts.ThreadIdY);
Operand tidZ = Attribute(AttributeConsts.ThreadIdZ);
tidY = context.ShiftLeft(tidY, Const(16));
tidZ = context.ShiftLeft(tidZ, Const(26));
src = context.BitwiseOr(tidX, context.BitwiseOr(tidY, tidZ));
break;
}
case SystemRegister.ThreadIdX: src = Attribute(AttributeConsts.ThreadIdX); break;
case SystemRegister.ThreadIdY: src = Attribute(AttributeConsts.ThreadIdY); break;
case SystemRegister.ThreadIdZ: src = Attribute(AttributeConsts.ThreadIdZ); break;
case SystemRegister.CtaIdX: src = Attribute(AttributeConsts.CtaIdX); break;
case SystemRegister.CtaIdY: src = Attribute(AttributeConsts.CtaIdY); break;
case SystemRegister.CtaIdZ: src = Attribute(AttributeConsts.CtaIdZ); break;
case SystemRegister.EqMask: src = Attribute(AttributeConsts.EqMask); break;
case SystemRegister.LtMask: src = Attribute(AttributeConsts.LtMask); break;
case SystemRegister.LeMask: src = Attribute(AttributeConsts.LeMask); break;
case SystemRegister.GtMask: src = Attribute(AttributeConsts.GtMask); break;
case SystemRegister.GeMask: src = Attribute(AttributeConsts.GeMask); break;
default: src = Const(0); break;
}
context.Copy(GetDest(context), src);
}
public static void Clz(ArmEmitterContext context)
{
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
Operand n = GetIntOrZR(context, op.Rn);
Operand d = context.CountLeadingZeros(n);
SetAluDOrZR(context, d);
}
public static void I2I(EmitterContext context)
{
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
IntegerType dstType = (IntegerType)op.RawOpCode.Extract(8, 2);
IntegerType srcType = (IntegerType)op.RawOpCode.Extract(10, 2);
if (srcType == IntegerType.U64 || dstType == IntegerType.U64)
{
context.Config.PrintLog("Invalid I2I encoding.");
return;
}
bool srcIsSmallInt = srcType <= IntegerType.U16;
bool dstIsSignedInt = op.RawOpCode.Extract(12);
bool srcIsSignedInt = op.RawOpCode.Extract(13);
bool negateB = op.RawOpCode.Extract(45);
bool absoluteB = op.RawOpCode.Extract(49);
Operand srcB = GetSrcB(context);
if (srcIsSmallInt)
{
int size = srcType == IntegerType.U16 ? 16 : 8;
srcB = srcIsSignedInt
? context.BitfieldExtractS32(srcB, Const(op.ByteSelection * 8), Const(size))
: context.BitfieldExtractU32(srcB, Const(op.ByteSelection * 8), Const(size));
}
srcB = context.IAbsNeg(srcB, absoluteB, negateB);
if (op.Saturate)
{
if (dstIsSignedInt)
{
dstType |= IntegerType.S8;
}
int min = (int)GetIntMin(dstType);
int max = (int)GetIntMax(dstType);
srcB = dstIsSignedInt
? context.IClampS32(srcB, Const(min), Const(max))
: context.IClampU32(srcB, Const(min), Const(max));
}
context.Copy(GetDest(context), srcB);
// TODO: CC.
}
public static void Popc(EmitterContext context)
{
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
bool invert = op.RawOpCode.Extract(40);
Operand srcB = context.BitwiseNot(GetSrcB(context), invert);
Operand res = context.BitCount(srcB);
context.Copy(GetDest(context), res);
}
public static void Sel(EmitterContext context)
{
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
Operand pred = GetPredicate39(context);
Operand srcA = GetSrcA(context);
Operand srcB = GetSrcB(context);
Operand res = context.ConditionalSelect(pred, srcA, srcB);
context.Copy(GetDest(context), res);
}
public static void Fswzadd(EmitterContext context)
{
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
int mask = op.RawOpCode.Extract(28, 8);
Operand srcA = GetSrcA(context);
Operand srcB = GetSrcB(context);
Operand dest = GetDest(context);
context.Copy(dest, context.FPSwizzleAdd(srcA, srcB, mask));
SetFPZnFlags(context, dest, op.SetCondCode);
}
public static void Shr(EmitterContext context)
{
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
bool isMasked = op.RawOpCode.Extract(39);
bool isReverse = op.RawOpCode.Extract(40);
bool isSigned = op.RawOpCode.Extract(48);
Operand srcA = GetSrcA(context);
Operand srcB = GetSrcB(context);
if (isReverse)
{
srcA = context.BitfieldReverse(srcA);
}
if (isMasked)
{
srcB = context.BitwiseAnd(srcB, Const(0x1f));
}
Operand res = isSigned
? context.ShiftRightS32(srcA, srcB)
: context.ShiftRightU32(srcA, srcB);
if (!isMasked)
{
// Clamped shift value.
Operand resShiftBy32;
if (isSigned)
{
resShiftBy32 = context.ShiftRightS32(srcA, Const(31));
}
else
{
resShiftBy32 = Const(0);
}
Operand isLessThan32 = context.ICompareLessUnsigned(srcB, Const(32));
res = context.ConditionalSelect(isLessThan32, res, resShiftBy32);
}
// TODO: X, CC
context.Copy(GetDest(context), res);
}
public static void Bfi(EmitterContext context)
{
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
Operand srcA = GetSrcA(context);
Operand srcB = GetSrcB(context);
Operand srcC = GetSrcC(context);
Operand position = context.BitwiseAnd(srcB, Const(0xff));
Operand size = context.BitfieldExtractU32(srcB, Const(8), Const(8));
Operand res = context.BitfieldInsert(srcC, srcA, position, size);
context.Copy(GetDest(context), res);
}
public static void Rro(EmitterContext context)
{
// This is the range reduction operator,
// we translate it as a simple move, as it
// should be always followed by a matching
// MUFU instruction.
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
bool negateB = op.RawOpCode.Extract(45);
bool absoluteB = op.RawOpCode.Extract(49);
Operand srcB = GetSrcB(context);
srcB = context.FPAbsNeg(srcB, absoluteB, negateB);
context.Copy(GetDest(context), srcB);
}
public static void Rev32(ArmEmitterContext context)
{
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
Operand n = GetIntOrZR(context, op.Rn);
if (op.RegisterSize == RegisterSize.Int32)
{
SetAluDOrZR(context, context.ByteSwap(n));
}
else
{
Operand d = context.Call(new _U64_U64(SoftFallback.ReverseBytes32_64), n);
SetAluDOrZR(context, d);
}
}
public static void Lea_Hi(EmitterContext context)
{
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
bool isReg = op is OpCodeAluReg;
bool negateA;
int shift;
if (isReg)
{
negateA = op.RawOpCode.Extract(37);
shift = op.RawOpCode.Extract(28, 5);
}
else
{
negateA = op.RawOpCode.Extract(56);
shift = op.RawOpCode.Extract(51, 5);
}
Operand srcA = GetSrcA(context);
Operand srcB = GetSrcB(context);
Operand srcC = GetSrcC(context);
Operand aLow = context.ShiftLeft(srcA, Const(shift));
Operand aHigh = shift == 0 ? Const(0) : context.ShiftRightU32(srcA, Const(32 - shift));
aHigh = context.BitwiseOr(aHigh, context.ShiftLeft(srcC, Const(shift)));
if (negateA)
{
// Perform 64-bit negation by doing bitwise not of the value,
// then adding 1 and carrying over from low to high.
aLow = context.BitwiseNot(aLow);
aHigh = context.BitwiseNot(aHigh);
aLow = AddWithCarry(context, aLow, Const(1), out Operand aLowCOut);
aHigh = context.IAdd(aHigh, aLowCOut);
}
Operand res = context.IAdd(aHigh, srcB);
context.Copy(GetDest(context), res);
// TODO: CC, X
}
public static void Imad(EmitterContext context)
{
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
bool signedA = context.CurrOp.RawOpCode.Extract(48);
bool signedB = context.CurrOp.RawOpCode.Extract(53);
bool high = context.CurrOp.RawOpCode.Extract(54);
Operand srcA = GetSrcA(context);
Operand srcB = GetSrcB(context);
Operand srcC = GetSrcC(context);
Operand res;
if (high)
{
if (signedA && signedB)
{
res = context.MultiplyHighS32(srcA, srcB);
}
else
{
res = context.MultiplyHighU32(srcA, srcB);
if (signedA)
{
res = context.IAdd(res, context.IMultiply(srcB, context.ShiftRightS32(srcA, Const(31))));
}
else if (signedB)
{
res = context.IAdd(res, context.IMultiply(srcA, context.ShiftRightS32(srcB, Const(31))));
}
}
}
else
{
res = context.IMultiply(srcA, srcB);
}
res = context.IAdd(res, srcC);
// TODO: CC, X, SAT, and more?
context.Copy(GetDest(context), res);
}
public static void Rev32(ArmEmitterContext context)
{
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
Operand n = GetIntOrZR(context, op.Rn);
Operand d;
if (op.RegisterSize == RegisterSize.Int32)
{
d = context.ByteSwap(n);
}
else
{
d = EmitReverseBytes32_64Op(context, n);
}
SetAluDOrZR(context, d);
}
public static void Rev16(ArmEmitterContext context)
{
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
Operand n = GetIntOrZR(context, op.Rn);
Operand d;
if (op.RegisterSize == RegisterSize.Int32)
{
d = context.Call(new _U32_U32(SoftFallback.ReverseBytes16_32), n);
}
else
{
d = context.Call(new _U64_U64(SoftFallback.ReverseBytes16_64), n);
}
SetAluDOrZR(context, d);
}
public static void Cls(ArmEmitterContext context)
{
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
Operand n = GetIntOrZR(context, op.Rn);
Operand nHigh = context.ShiftRightUI(n, Const(1));
bool is32Bits = op.RegisterSize == RegisterSize.Int32;
Operand mask = is32Bits ? Const(int.MaxValue) : Const(long.MaxValue);
Operand nLow = context.BitwiseAnd(n, mask);
Operand res = context.CountLeadingZeros(context.BitwiseExclusiveOr(nHigh, nLow));
res = context.Subtract(res, Const(res.Type, 1));
SetAluDOrZR(context, res);
}
public static void Lea(EmitterContext context)
{
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
bool negateA = op.RawOpCode.Extract(45);
int shift = op.RawOpCode.Extract(39, 5);
Operand srcA = GetSrcA(context);
Operand srcB = GetSrcB(context);
srcA = context.ShiftLeft(srcA, Const(shift));
srcA = context.INegate(srcA, negateA);
Operand res = context.IAdd(srcA, srcB);
context.Copy(GetDest(context), res);
// TODO: CC, X
}
public static void Flo(EmitterContext context)
{
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
bool invert = op.RawOpCode.Extract(40);
bool countZeros = op.RawOpCode.Extract(41);
bool isSigned = op.RawOpCode.Extract(48);
Operand srcB = context.BitwiseNot(GetSrcB(context), invert);
Operand res = isSigned
? context.FindFirstSetS32(srcB)
: context.FindFirstSetU32(srcB);
if (countZeros)
{
res = context.BitwiseExclusiveOr(res, Const(31));
}
context.Copy(GetDest(context), res);
}
public static void Rev64(ArmEmitterContext context)
{
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
SetAluDOrZR(context, context.ByteSwap(GetIntOrZR(context, op.Rn)));
}
public static void Mov(EmitterContext context)
{
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
context.Copy(GetDest(context), GetSrcB(context));
}
public static void Iadd3(EmitterContext context)
{
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
IntegerHalfPart partC = (IntegerHalfPart)op.RawOpCode.Extract(31, 2);
IntegerHalfPart partB = (IntegerHalfPart)op.RawOpCode.Extract(33, 2);
IntegerHalfPart partA = (IntegerHalfPart)op.RawOpCode.Extract(35, 2);
IntegerShift mode = (IntegerShift)op.RawOpCode.Extract(37, 2);
bool negateC = op.RawOpCode.Extract(49);
bool negateB = op.RawOpCode.Extract(50);
bool negateA = op.RawOpCode.Extract(51);
Operand Extend(Operand src, IntegerHalfPart part)
{
if (!(op is OpCodeAluReg) || part == IntegerHalfPart.B32)
{
return(src);
}
if (part == IntegerHalfPart.H0)
{
return(context.BitwiseAnd(src, Const(0xffff)));
}
else if (part == IntegerHalfPart.H1)
{
return(context.ShiftRightU32(src, Const(16)));
}
else
{
// TODO: Warning.
}
return(src);
}
Operand srcA = context.INegate(Extend(GetSrcA(context), partA), negateA);
Operand srcB = context.INegate(Extend(GetSrcB(context), partB), negateB);
Operand srcC = context.INegate(Extend(GetSrcC(context), partC), negateC);
Operand res = context.IAdd(srcA, srcB);
if (op is OpCodeAluReg && mode != IntegerShift.NoShift)
{
if (mode == IntegerShift.ShiftLeft)
{
res = context.ShiftLeft(res, Const(16));
}
else if (mode == IntegerShift.ShiftRight)
{
res = context.ShiftRightU32(res, Const(16));
}
else
{
// TODO: Warning.
}
}
res = context.IAdd(res, srcC);
context.Copy(GetDest(context), res);
// TODO: CC, X, corner cases
}
public static void Xmad(EmitterContext context)
{
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
bool signedA = context.CurrOp.RawOpCode.Extract(48);
bool signedB = context.CurrOp.RawOpCode.Extract(49);
bool highA = context.CurrOp.RawOpCode.Extract(53);
bool isReg = (op is OpCodeAluReg) && !(op is OpCodeAluRegCbuf);
bool isImm = (op is OpCodeAluImm);
XmadCMode mode = isReg || isImm
? (XmadCMode)context.CurrOp.RawOpCode.Extract(50, 3)
: (XmadCMode)context.CurrOp.RawOpCode.Extract(50, 2);
bool highB = false;
if (isReg)
{
highB = context.CurrOp.RawOpCode.Extract(35);
}
else if (!isImm)
{
highB = context.CurrOp.RawOpCode.Extract(52);
}
Operand srcA = GetSrcA(context);
Operand srcB = GetSrcB(context);
Operand srcC = GetSrcC(context);
// XMAD immediates are 16-bits unsigned integers.
if (srcB.Type == OperandType.Constant)
{
srcB = Const(srcB.Value & 0xffff);
}
Operand Extend16To32(Operand src, bool high, bool signed)
{
if (signed && high)
{
return(context.ShiftRightS32(src, Const(16)));
}
else if (signed)
{
return(context.BitfieldExtractS32(src, Const(0), Const(16)));
}
else if (high)
{
return(context.ShiftRightU32(src, Const(16)));
}
else
{
return(context.BitwiseAnd(src, Const(0xffff)));
}
}
srcA = Extend16To32(srcA, highA, signedA);
srcB = Extend16To32(srcB, highB, signedB);
bool productShiftLeft = false;
bool merge = false;
if (op is OpCodeAluCbuf)
{
productShiftLeft = context.CurrOp.RawOpCode.Extract(55);
merge = context.CurrOp.RawOpCode.Extract(56);
}
else if (!(op is OpCodeAluRegCbuf))
{
productShiftLeft = context.CurrOp.RawOpCode.Extract(36);
merge = context.CurrOp.RawOpCode.Extract(37);
}
bool extended;
if ((op is OpCodeAluReg) || (op is OpCodeAluImm))
{
extended = context.CurrOp.RawOpCode.Extract(38);
}
else
{
extended = context.CurrOp.RawOpCode.Extract(54);
}
Operand res = context.IMultiply(srcA, srcB);
if (productShiftLeft)
{
res = context.ShiftLeft(res, Const(16));
}
switch (mode)
{
case XmadCMode.Cfull: break;
case XmadCMode.Clo: srcC = Extend16To32(srcC, high: false, signed: false); break;
case XmadCMode.Chi: srcC = Extend16To32(srcC, high: true, signed: false); break;
case XmadCMode.Cbcc:
{
srcC = context.IAdd(srcC, context.ShiftLeft(GetSrcB(context), Const(16)));
break;
}
case XmadCMode.Csfu:
{
Operand signAdjustA = context.ShiftLeft(context.ShiftRightU32(srcA, Const(31)), Const(16));
Operand signAdjustB = context.ShiftLeft(context.ShiftRightU32(srcB, Const(31)), Const(16));
srcC = context.ISubtract(srcC, context.IAdd(signAdjustA, signAdjustB));
break;
}
default: /* TODO: Warning */ break;
}
Operand product = res;
if (extended)
{
// Add with carry.
res = context.IAdd(res, context.BitwiseAnd(GetCF(), Const(1)));
}
else
{
// Add (no carry in).
res = context.IAdd(res, srcC);
}
SetIaddFlags(context, res, product, srcC, op.SetCondCode, extended);
if (merge)
{
res = context.BitwiseAnd(res, Const(0xffff));
res = context.BitwiseOr(res, context.ShiftLeft(GetSrcB(context), Const(16)));
}
context.Copy(GetDest(context), res);
}
