mirror of
https://github.com/GreemDev/Ryujinx.git
synced 2024-12-13 10:41:06 +01:00
9cb57fb4bb
* Change naming convention for Ryujinx project * Change naming convention for ChocolArm64 project * Fix NaN * Remove unneeded this. from Ryujinx project * Adjust naming from new PRs * Name changes based on feedback * How did this get removed? * Rebasing fix * Change FP enum case * Remove prefix from ChocolArm64 classes - Part 1 * Remove prefix from ChocolArm64 classes - Part 2 * Fix alignment from last commit's renaming * Rename namespaces * Rename stragglers * Fix alignment * Rename OpCode class * Missed a few * Adjust alignment
58 lines
1.6 KiB
C#
58 lines
1.6 KiB
C#
using ChocolArm64.Decoders;
|
|
using ChocolArm64.Translation;
|
|
using System.Reflection.Emit;
|
|
|
|
namespace ChocolArm64.Instructions
|
|
{
|
|
static partial class InstEmit
|
|
{
|
|
private enum CselOperation
|
|
{
|
|
None,
|
|
Increment,
|
|
Invert,
|
|
Negate
|
|
}
|
|
|
|
public static void Csel(ILEmitterCtx context) => EmitCsel(context, CselOperation.None);
|
|
public static void Csinc(ILEmitterCtx context) => EmitCsel(context, CselOperation.Increment);
|
|
public static void Csinv(ILEmitterCtx context) => EmitCsel(context, CselOperation.Invert);
|
|
public static void Csneg(ILEmitterCtx context) => EmitCsel(context, CselOperation.Negate);
|
|
|
|
private static void EmitCsel(ILEmitterCtx context, CselOperation cselOp)
|
|
{
|
|
OpCodeCsel64 op = (OpCodeCsel64)context.CurrOp;
|
|
|
|
ILLabel lblTrue = new ILLabel();
|
|
ILLabel lblEnd = new ILLabel();
|
|
|
|
context.EmitCondBranch(lblTrue, op.Cond);
|
|
context.EmitLdintzr(op.Rm);
|
|
|
|
if (cselOp == CselOperation.Increment)
|
|
{
|
|
context.EmitLdc_I(1);
|
|
|
|
context.Emit(OpCodes.Add);
|
|
}
|
|
else if (cselOp == CselOperation.Invert)
|
|
{
|
|
context.Emit(OpCodes.Not);
|
|
}
|
|
else if (cselOp == CselOperation.Negate)
|
|
{
|
|
context.Emit(OpCodes.Neg);
|
|
}
|
|
|
|
context.Emit(OpCodes.Br_S, lblEnd);
|
|
|
|
context.MarkLabel(lblTrue);
|
|
|
|
context.EmitLdintzr(op.Rn);
|
|
|
|
context.MarkLabel(lblEnd);
|
|
|
|
context.EmitStintzr(op.Rd);
|
|
}
|
|
}
|
|
} |