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using ARMeilleure.Decoders;
using ARMeilleure.IntermediateRepresentation;
using ARMeilleure.Translation;
using static ARMeilleure.Instructions.InstEmitHashHelper;
using static ARMeilleure.Instructions.InstEmitHelper;
namespace ARMeilleure.Instructions
{
static partial class InstEmit
{
private const int ByteSizeLog2 = 0;
private const int HWordSizeLog2 = 1;
private const int WordSizeLog2 = 2;
private const int DWordSizeLog2 = 3;
public static void Crc32b(ArmEmitterContext context)
{
EmitCrc32Call(context, ByteSizeLog2, false);
}
public static void Crc32h(ArmEmitterContext context)
{
EmitCrc32Call(context, HWordSizeLog2, false);
}
public static void Crc32w(ArmEmitterContext context)
{
EmitCrc32Call(context, WordSizeLog2, false);
}
public static void Crc32x(ArmEmitterContext context)
{
EmitCrc32Call(context, DWordSizeLog2, false);
}
public static void Crc32cb(ArmEmitterContext context)
{
EmitCrc32Call(context, ByteSizeLog2, true);
}
public static void Crc32ch(ArmEmitterContext context)
{
EmitCrc32Call(context, HWordSizeLog2, true);
}
public static void Crc32cw(ArmEmitterContext context)
{
EmitCrc32Call(context, WordSizeLog2, true);
}
public static void Crc32cx(ArmEmitterContext context)
{
EmitCrc32Call(context, DWordSizeLog2, true);
}
private static void EmitCrc32Call(ArmEmitterContext context, int size, bool c)
{
OpCodeAluBinary op = (OpCodeAluBinary)context.CurrOp;
Operand n = GetIntOrZR(context, op.Rn);
Operand m = GetIntOrZR(context, op.Rm);
Operand d = EmitCrc32(context, n, m, size, c);
SetIntOrZR(context, op.Rd, d);
}
}
}
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