0
0
Fork 0
mirror of https://github.com/GreemDev/Ryujinx.git synced 2024-12-24 12:05:47 +00:00
Ryujinx/ChocolArm64/Instructions/InstEmitMul.cs
Alex Barney 9cb57fb4bb Adjust naming conventions for Ryujinx and ChocolArm64 projects (#484)
* 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
2018-10-30 22:43:02 -03:00

80 lines
No EOL
2.4 KiB
C#

using ChocolArm64.Decoders;
using ChocolArm64.Translation;
using System.Reflection.Emit;
namespace ChocolArm64.Instructions
{
static partial class InstEmit
{
public static void Madd(ILEmitterCtx context) => EmitMul(context, OpCodes.Add);
public static void Msub(ILEmitterCtx context) => EmitMul(context, OpCodes.Sub);
private static void EmitMul(ILEmitterCtx context, OpCode ilOp)
{
OpCodeMul64 op = (OpCodeMul64)context.CurrOp;
context.EmitLdintzr(op.Ra);
context.EmitLdintzr(op.Rn);
context.EmitLdintzr(op.Rm);
context.Emit(OpCodes.Mul);
context.Emit(ilOp);
context.EmitStintzr(op.Rd);
}
public static void Smaddl(ILEmitterCtx context) => EmitMull(context, OpCodes.Add, true);
public static void Smsubl(ILEmitterCtx context) => EmitMull(context, OpCodes.Sub, true);
public static void Umaddl(ILEmitterCtx context) => EmitMull(context, OpCodes.Add, false);
public static void Umsubl(ILEmitterCtx context) => EmitMull(context, OpCodes.Sub, false);
private static void EmitMull(ILEmitterCtx context, OpCode addSubOp, bool signed)
{
OpCodeMul64 op = (OpCodeMul64)context.CurrOp;
OpCode castOp = signed
? OpCodes.Conv_I8
: OpCodes.Conv_U8;
context.EmitLdintzr(op.Ra);
context.EmitLdintzr(op.Rn);
context.Emit(OpCodes.Conv_I4);
context.Emit(castOp);
context.EmitLdintzr(op.Rm);
context.Emit(OpCodes.Conv_I4);
context.Emit(castOp);
context.Emit(OpCodes.Mul);
context.Emit(addSubOp);
context.EmitStintzr(op.Rd);
}
public static void Smulh(ILEmitterCtx context)
{
OpCodeMul64 op = (OpCodeMul64)context.CurrOp;
context.EmitLdintzr(op.Rn);
context.EmitLdintzr(op.Rm);
SoftFallback.EmitCall(context, nameof(SoftFallback.SMulHi128));
context.EmitStintzr(op.Rd);
}
public static void Umulh(ILEmitterCtx context)
{
OpCodeMul64 op = (OpCodeMul64)context.CurrOp;
context.EmitLdintzr(op.Rn);
context.EmitLdintzr(op.Rm);
SoftFallback.EmitCall(context, nameof(SoftFallback.UMulHi128));
context.EmitStintzr(op.Rd);
}
}
}