public static void Cmhi_V(ArmEmitterContext context)
{
OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
if (Optimizations.UseSse41 && op.Size < 3)
{
Operand n = GetVec(op.Rn);
Operand m = GetVec(op.Rm);
Intrinsic maxInst = X86PmaxuInstruction[op.Size];
Operand res = context.AddIntrinsic(maxInst, m, n);
Intrinsic cmpInst = X86PcmpeqInstruction[op.Size];
res = context.AddIntrinsic(cmpInst, res, m);
Operand mask = X86GetAllElements(context, -1L);
res = context.AddIntrinsic(Intrinsic.X86Pandn, res, mask);
if (op.RegisterSize == RegisterSize.Simd64)
{
res = context.VectorZeroUpper64(res);
}
context.Copy(GetVec(op.Rd), res);
}
else
{
EmitCmpOp(context, (op1, op2) => context.ICompareGreaterUI(op1, op2), scalar: false);
}
}
public static void EmitSbcsCCheck(ArmEmitterContext context, Operand n, Operand m)
{
// C = (Rn == Rm && CIn) || Rn > Rm
Operand cIn = GetFlag(PState.CFlag);
Operand cOut = context.BitwiseAnd(context.ICompareEqual(n, m), cIn);
cOut = context.BitwiseOr(cOut, context.ICompareGreaterUI(n, m));
SetFlag(context, PState.CFlag, cOut);
}
public static void Vpmax_I(ArmEmitterContext context)
{
OpCode32SimdReg op = (OpCode32SimdReg)context.CurrOp;
if (Optimizations.UseSsse3)
{
EmitSsse3VectorPairwiseOp32(context, op.U ? X86PmaxuInstruction : X86PmaxsInstruction);
}
else
{
EmitVectorPairwiseOpI32(context, (op1, op2) =>
{
Operand greater = op.U ? context.ICompareGreaterUI(op1, op2) : context.ICompareGreater(op1, op2);
return(context.ConditionalSelect(greater, op1, op2));
}, !op.U);
}
}
public static void Cmhi_S(ArmEmitterContext context)
{
EmitCmpOp(context, (op1, op2) => context.ICompareGreaterUI(op1, op2), scalar: true);
}
public static void Vmax_I(ArmEmitterContext context)
{
OpCode32SimdReg op = (OpCode32SimdReg)context.CurrOp;
if (op.U)
{
if (Optimizations.UseSse2)
{
EmitVectorBinaryOpSimd32(context, (op1, op2) => context.AddIntrinsic(X86PmaxuInstruction[op.Size], op1, op2));
}
else
{
EmitVectorBinaryOpZx32(context, (op1, op2) => context.ConditionalSelect(context.ICompareGreaterUI(op1, op2), op1, op2));
}
}
else
{
if (Optimizations.UseSse2)
{
EmitVectorBinaryOpSimd32(context, (op1, op2) => context.AddIntrinsic(X86PmaxsInstruction[op.Size], op1, op2));
}
else
{
EmitVectorBinaryOpSx32(context, (op1, op2) => context.ConditionalSelect(context.ICompareGreater(op1, op2), op1, op2));
}
}
}
public static void Vmax_I(ArmEmitterContext context)
{
OpCode32SimdReg op = (OpCode32SimdReg)context.CurrOp;
if (op.U)
{
EmitVectorBinaryOpZx32(context, (op1, op2) => context.ConditionalSelect(context.ICompareGreaterUI(op1, op2), op1, op2));
}
else
{
EmitVectorBinaryOpSx32(context, (op1, op2) => context.ConditionalSelect(context.ICompareGreater(op1, op2), op1, op2));
}
}