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https://github.com/Ryujinx/Ryujinx.git
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8c85bdf2ed
* cpu-misc_opt * B = ~b * ;
717 lines
23 KiB
C#
717 lines
23 KiB
C#
using ARMeilleure.Decoders;
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using ARMeilleure.IntermediateRepresentation;
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using ARMeilleure.State;
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using ARMeilleure.Translation;
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using System;
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using static ARMeilleure.Instructions.InstEmitHelper;
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using static ARMeilleure.Instructions.InstEmitSimdHelper;
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using static ARMeilleure.IntermediateRepresentation.OperandHelper;
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namespace ARMeilleure.Instructions
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{
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using Func2I = Func<Operand, Operand, Operand>;
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static partial class InstEmit
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{
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public static void Cmeq_S(ArmEmitterContext context)
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{
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EmitCmpOp(context, (op1, op2) => context.ICompareEqual(op1, op2), scalar: true);
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}
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public static void Cmeq_V(ArmEmitterContext context)
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{
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if (Optimizations.UseSse41)
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{
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OpCodeSimd op = (OpCodeSimd)context.CurrOp;
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Operand n = GetVec(op.Rn);
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Operand m;
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if (op is OpCodeSimdReg binOp)
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{
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m = GetVec(binOp.Rm);
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}
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else
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{
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m = context.VectorZero();
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}
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Intrinsic cmpInst = X86PcmpeqInstruction[op.Size];
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Operand res = context.AddIntrinsic(cmpInst, n, m);
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if (op.RegisterSize == RegisterSize.Simd64)
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{
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res = context.VectorZeroUpper64(res);
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}
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context.Copy(GetVec(op.Rd), res);
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}
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else
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{
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EmitCmpOp(context, (op1, op2) => context.ICompareEqual(op1, op2), scalar: false);
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}
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}
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public static void Cmge_S(ArmEmitterContext context)
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{
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EmitCmpOp(context, (op1, op2) => context.ICompareGreaterOrEqual(op1, op2), scalar: true);
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}
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public static void Cmge_V(ArmEmitterContext context)
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{
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if (Optimizations.UseSse42)
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{
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OpCodeSimd op = (OpCodeSimd)context.CurrOp;
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Operand n = GetVec(op.Rn);
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Operand m;
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if (op is OpCodeSimdReg binOp)
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{
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m = GetVec(binOp.Rm);
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}
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else
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{
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m = context.VectorZero();
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}
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Intrinsic cmpInst = X86PcmpgtInstruction[op.Size];
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Operand res = context.AddIntrinsic(cmpInst, m, n);
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Operand mask = X86GetAllElements(context, -1L);
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res = context.AddIntrinsic(Intrinsic.X86Pandn, res, mask);
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if (op.RegisterSize == RegisterSize.Simd64)
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{
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res = context.VectorZeroUpper64(res);
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}
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context.Copy(GetVec(op.Rd), res);
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}
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else
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{
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EmitCmpOp(context, (op1, op2) => context.ICompareGreaterOrEqual(op1, op2), scalar: false);
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}
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}
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public static void Cmgt_S(ArmEmitterContext context)
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{
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EmitCmpOp(context, (op1, op2) => context.ICompareGreater(op1, op2), scalar: true);
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}
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public static void Cmgt_V(ArmEmitterContext context)
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{
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if (Optimizations.UseSse42)
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{
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OpCodeSimd op = (OpCodeSimd)context.CurrOp;
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Operand n = GetVec(op.Rn);
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Operand m;
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if (op is OpCodeSimdReg binOp)
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{
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m = GetVec(binOp.Rm);
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}
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else
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{
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m = context.VectorZero();
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}
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Intrinsic cmpInst = X86PcmpgtInstruction[op.Size];
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Operand res = context.AddIntrinsic(cmpInst, n, m);
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if (op.RegisterSize == RegisterSize.Simd64)
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{
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res = context.VectorZeroUpper64(res);
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}
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context.Copy(GetVec(op.Rd), res);
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}
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else
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{
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EmitCmpOp(context, (op1, op2) => context.ICompareGreater(op1, op2), scalar: false);
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}
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}
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public static void Cmhi_S(ArmEmitterContext context)
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{
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EmitCmpOp(context, (op1, op2) => context.ICompareGreaterUI(op1, op2), scalar: true);
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}
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public static void Cmhi_V(ArmEmitterContext context)
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{
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OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
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if (Optimizations.UseSse41 && op.Size < 3)
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{
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Operand n = GetVec(op.Rn);
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Operand m = GetVec(op.Rm);
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Intrinsic maxInst = X86PmaxuInstruction[op.Size];
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Operand res = context.AddIntrinsic(maxInst, m, n);
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Intrinsic cmpInst = X86PcmpeqInstruction[op.Size];
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res = context.AddIntrinsic(cmpInst, res, m);
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Operand mask = X86GetAllElements(context, -1L);
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res = context.AddIntrinsic(Intrinsic.X86Pandn, res, mask);
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if (op.RegisterSize == RegisterSize.Simd64)
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{
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res = context.VectorZeroUpper64(res);
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}
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context.Copy(GetVec(op.Rd), res);
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}
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else
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{
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EmitCmpOp(context, (op1, op2) => context.ICompareGreaterUI(op1, op2), scalar: false);
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}
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}
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public static void Cmhs_S(ArmEmitterContext context)
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{
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EmitCmpOp(context, (op1, op2) => context.ICompareGreaterOrEqualUI(op1, op2), scalar: true);
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}
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public static void Cmhs_V(ArmEmitterContext context)
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{
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OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
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if (Optimizations.UseSse41 && op.Size < 3)
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{
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Operand n = GetVec(op.Rn);
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Operand m = GetVec(op.Rm);
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Intrinsic maxInst = X86PmaxuInstruction[op.Size];
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Operand res = context.AddIntrinsic(maxInst, n, m);
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Intrinsic cmpInst = X86PcmpeqInstruction[op.Size];
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res = context.AddIntrinsic(cmpInst, res, n);
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if (op.RegisterSize == RegisterSize.Simd64)
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{
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res = context.VectorZeroUpper64(res);
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}
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context.Copy(GetVec(op.Rd), res);
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}
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else
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{
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EmitCmpOp(context, (op1, op2) => context.ICompareGreaterOrEqualUI(op1, op2), scalar: false);
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}
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}
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public static void Cmle_S(ArmEmitterContext context)
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{
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EmitCmpOp(context, (op1, op2) => context.ICompareLessOrEqual(op1, op2), scalar: true);
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}
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public static void Cmle_V(ArmEmitterContext context)
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{
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if (Optimizations.UseSse42)
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{
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OpCodeSimd op = (OpCodeSimd)context.CurrOp;
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Operand n = GetVec(op.Rn);
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Intrinsic cmpInst = X86PcmpgtInstruction[op.Size];
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Operand res = context.AddIntrinsic(cmpInst, n, context.VectorZero());
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Operand mask = X86GetAllElements(context, -1L);
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res = context.AddIntrinsic(Intrinsic.X86Pandn, res, mask);
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if (op.RegisterSize == RegisterSize.Simd64)
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{
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res = context.VectorZeroUpper64(res);
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}
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context.Copy(GetVec(op.Rd), res);
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}
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else
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{
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EmitCmpOp(context, (op1, op2) => context.ICompareLessOrEqual(op1, op2), scalar: false);
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}
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}
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public static void Cmlt_S(ArmEmitterContext context)
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{
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EmitCmpOp(context, (op1, op2) => context.ICompareLess(op1, op2), scalar: true);
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}
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public static void Cmlt_V(ArmEmitterContext context)
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{
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if (Optimizations.UseSse42)
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{
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OpCodeSimd op = (OpCodeSimd)context.CurrOp;
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Operand n = GetVec(op.Rn);
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Intrinsic cmpInst = X86PcmpgtInstruction[op.Size];
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Operand res = context.AddIntrinsic(cmpInst, context.VectorZero(), n);
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if (op.RegisterSize == RegisterSize.Simd64)
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{
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res = context.VectorZeroUpper64(res);
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}
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context.Copy(GetVec(op.Rd), res);
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}
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else
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{
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EmitCmpOp(context, (op1, op2) => context.ICompareLess(op1, op2), scalar: false);
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}
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}
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public static void Cmtst_S(ArmEmitterContext context)
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{
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EmitCmtstOp(context, scalar: true);
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}
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public static void Cmtst_V(ArmEmitterContext context)
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{
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EmitCmtstOp(context, scalar: false);
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}
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public static void Fccmp_S(ArmEmitterContext context)
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{
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EmitFccmpOrFccmpe(context, signalNaNs: false);
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}
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public static void Fccmpe_S(ArmEmitterContext context)
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{
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EmitFccmpOrFccmpe(context, signalNaNs: true);
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}
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public static void Fcmeq_S(ArmEmitterContext context)
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{
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if (Optimizations.FastFP && Optimizations.UseSse2)
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{
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EmitSse2CmpOpF(context, CmpCondition.Equal, scalar: true);
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}
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else
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{
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EmitCmpOpF(context, SoftFloat32.FPCompareEQ, SoftFloat64.FPCompareEQ, scalar: true);
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}
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}
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public static void Fcmeq_V(ArmEmitterContext context)
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{
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if (Optimizations.FastFP && Optimizations.UseSse2)
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{
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EmitSse2CmpOpF(context, CmpCondition.Equal, scalar: false);
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}
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else
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{
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EmitCmpOpF(context, SoftFloat32.FPCompareEQ, SoftFloat64.FPCompareEQ, scalar: false);
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}
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}
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public static void Fcmge_S(ArmEmitterContext context)
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{
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if (Optimizations.FastFP && Optimizations.UseAvx)
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{
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EmitSse2CmpOpF(context, CmpCondition.GreaterThanOrEqual, scalar: true);
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}
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else
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{
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EmitCmpOpF(context, SoftFloat32.FPCompareGE, SoftFloat64.FPCompareGE, scalar: true);
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}
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}
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public static void Fcmge_V(ArmEmitterContext context)
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{
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if (Optimizations.FastFP && Optimizations.UseAvx)
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{
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EmitSse2CmpOpF(context, CmpCondition.GreaterThanOrEqual, scalar: false);
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}
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else
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{
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EmitCmpOpF(context, SoftFloat32.FPCompareGE, SoftFloat64.FPCompareGE, scalar: false);
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}
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}
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public static void Fcmgt_S(ArmEmitterContext context)
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{
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if (Optimizations.FastFP && Optimizations.UseAvx)
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{
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EmitSse2CmpOpF(context, CmpCondition.GreaterThan, scalar: true);
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}
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else
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{
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EmitCmpOpF(context, SoftFloat32.FPCompareGT, SoftFloat64.FPCompareGT, scalar: true);
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}
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}
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public static void Fcmgt_V(ArmEmitterContext context)
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{
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if (Optimizations.FastFP && Optimizations.UseAvx)
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{
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EmitSse2CmpOpF(context, CmpCondition.GreaterThan, scalar: false);
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}
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else
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{
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EmitCmpOpF(context, SoftFloat32.FPCompareGT, SoftFloat64.FPCompareGT, scalar: false);
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}
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}
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public static void Fcmle_S(ArmEmitterContext context)
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{
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if (Optimizations.FastFP && Optimizations.UseSse2)
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{
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EmitSse2CmpOpF(context, CmpCondition.LessThanOrEqual, scalar: true);
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}
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else
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{
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EmitCmpOpF(context, SoftFloat32.FPCompareLE, SoftFloat64.FPCompareLE, scalar: true);
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}
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}
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public static void Fcmle_V(ArmEmitterContext context)
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{
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if (Optimizations.FastFP && Optimizations.UseSse2)
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{
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EmitSse2CmpOpF(context, CmpCondition.LessThanOrEqual, scalar: false);
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}
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else
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{
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EmitCmpOpF(context, SoftFloat32.FPCompareLE, SoftFloat64.FPCompareLE, scalar: false);
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}
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}
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public static void Fcmlt_S(ArmEmitterContext context)
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{
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if (Optimizations.FastFP && Optimizations.UseSse2)
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{
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EmitSse2CmpOpF(context, CmpCondition.LessThan, scalar: true);
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}
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else
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{
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EmitCmpOpF(context, SoftFloat32.FPCompareLT, SoftFloat64.FPCompareLT, scalar: true);
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}
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}
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public static void Fcmlt_V(ArmEmitterContext context)
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{
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if (Optimizations.FastFP && Optimizations.UseSse2)
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{
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EmitSse2CmpOpF(context, CmpCondition.LessThan, scalar: false);
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}
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else
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{
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EmitCmpOpF(context, SoftFloat32.FPCompareLT, SoftFloat64.FPCompareLT, scalar: false);
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}
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}
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public static void Fcmp_S(ArmEmitterContext context)
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{
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EmitFcmpOrFcmpe(context, signalNaNs: false);
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}
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public static void Fcmpe_S(ArmEmitterContext context)
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{
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EmitFcmpOrFcmpe(context, signalNaNs: true);
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}
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private static void EmitFccmpOrFccmpe(ArmEmitterContext context, bool signalNaNs)
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{
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OpCodeSimdFcond op = (OpCodeSimdFcond)context.CurrOp;
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Operand lblTrue = Label();
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Operand lblEnd = Label();
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context.BranchIfTrue(lblTrue, InstEmitFlowHelper.GetCondTrue(context, op.Cond));
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EmitSetNzcv(context, op.Nzcv);
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context.Branch(lblEnd);
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context.MarkLabel(lblTrue);
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EmitFcmpOrFcmpe(context, signalNaNs);
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context.MarkLabel(lblEnd);
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}
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private static void EmitSetNzcv(ArmEmitterContext context, int nzcv)
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{
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Operand Extract(int value, int bit)
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{
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if (bit != 0)
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{
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value >>= bit;
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}
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value &= 1;
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return Const(value);
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}
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SetFlag(context, PState.VFlag, Extract(nzcv, 0));
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SetFlag(context, PState.CFlag, Extract(nzcv, 1));
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SetFlag(context, PState.ZFlag, Extract(nzcv, 2));
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SetFlag(context, PState.NFlag, Extract(nzcv, 3));
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}
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private static void EmitFcmpOrFcmpe(ArmEmitterContext context, bool signalNaNs)
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{
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OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
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bool cmpWithZero = !(op is OpCodeSimdFcond) ? op.Bit3 : false;
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if (Optimizations.FastFP && (signalNaNs ? Optimizations.UseAvx : Optimizations.UseSse2))
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{
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Operand n = GetVec(op.Rn);
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Operand m = cmpWithZero ? context.VectorZero() : GetVec(op.Rm);
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CmpCondition cmpOrdered = signalNaNs ? CmpCondition.OrderedS : CmpCondition.OrderedQ;
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Operand lblNaN = Label();
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Operand lblEnd = Label();
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if (op.Size == 0)
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{
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Operand ordMask = context.AddIntrinsic(Intrinsic.X86Cmpss, n, m, Const((int)cmpOrdered));
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Operand isOrdered = context.AddIntrinsicInt(Intrinsic.X86Cvtsi2si, ordMask);
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context.BranchIfFalse(lblNaN, isOrdered);
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Operand cf = context.AddIntrinsicInt(Intrinsic.X86Comissge, n, m);
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Operand zf = context.AddIntrinsicInt(Intrinsic.X86Comisseq, n, m);
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Operand nf = context.AddIntrinsicInt(Intrinsic.X86Comisslt, n, m);
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SetFlag(context, PState.VFlag, Const(0));
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SetFlag(context, PState.CFlag, cf);
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SetFlag(context, PState.ZFlag, zf);
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SetFlag(context, PState.NFlag, nf);
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}
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else /* if (op.Size == 1) */
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{
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Operand ordMask = context.AddIntrinsic(Intrinsic.X86Cmpsd, n, m, Const((int)cmpOrdered));
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Operand isOrdered = context.AddIntrinsicLong(Intrinsic.X86Cvtsi2si, ordMask);
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context.BranchIfFalse(lblNaN, isOrdered);
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Operand cf = context.AddIntrinsicInt(Intrinsic.X86Comisdge, n, m);
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Operand zf = context.AddIntrinsicInt(Intrinsic.X86Comisdeq, n, m);
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Operand nf = context.AddIntrinsicInt(Intrinsic.X86Comisdlt, n, m);
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SetFlag(context, PState.VFlag, Const(0));
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SetFlag(context, PState.CFlag, cf);
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SetFlag(context, PState.ZFlag, zf);
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SetFlag(context, PState.NFlag, nf);
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}
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context.Branch(lblEnd);
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context.MarkLabel(lblNaN);
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SetFlag(context, PState.VFlag, Const(1));
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SetFlag(context, PState.CFlag, Const(1));
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SetFlag(context, PState.ZFlag, Const(0));
|
|
SetFlag(context, PState.NFlag, Const(0));
|
|
|
|
context.MarkLabel(lblEnd);
|
|
}
|
|
else
|
|
{
|
|
OperandType type = op.Size != 0 ? OperandType.FP64 : OperandType.FP32;
|
|
|
|
Operand ne = context.VectorExtract(type, GetVec(op.Rn), 0);
|
|
Operand me;
|
|
|
|
if (cmpWithZero)
|
|
{
|
|
me = op.Size == 0 ? ConstF(0f) : ConstF(0d);
|
|
}
|
|
else
|
|
{
|
|
me = context.VectorExtract(type, GetVec(op.Rm), 0);
|
|
}
|
|
|
|
Delegate dlg = op.Size != 0
|
|
? (Delegate)new _S32_F64_F64_Bool(SoftFloat64.FPCompare)
|
|
: (Delegate)new _S32_F32_F32_Bool(SoftFloat32.FPCompare);
|
|
|
|
Operand nzcv = context.Call(dlg, ne, me, Const(signalNaNs));
|
|
|
|
EmitSetNzcv(context, nzcv);
|
|
}
|
|
}
|
|
|
|
private static void EmitSetNzcv(ArmEmitterContext context, Operand nzcv)
|
|
{
|
|
Operand Extract(Operand value, int bit)
|
|
{
|
|
if (bit != 0)
|
|
{
|
|
value = context.ShiftRightUI(value, Const(bit));
|
|
}
|
|
|
|
value = context.BitwiseAnd(value, Const(1));
|
|
|
|
return value;
|
|
}
|
|
|
|
SetFlag(context, PState.VFlag, Extract(nzcv, 0));
|
|
SetFlag(context, PState.CFlag, Extract(nzcv, 1));
|
|
SetFlag(context, PState.ZFlag, Extract(nzcv, 2));
|
|
SetFlag(context, PState.NFlag, Extract(nzcv, 3));
|
|
}
|
|
|
|
private static void EmitCmpOp(ArmEmitterContext context, Func2I emitCmp, bool scalar)
|
|
{
|
|
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
|
|
|
|
Operand res = context.VectorZero();
|
|
|
|
int elems = !scalar ? op.GetBytesCount() >> op.Size : 1;
|
|
|
|
ulong szMask = ulong.MaxValue >> (64 - (8 << op.Size));
|
|
|
|
for (int index = 0; index < elems; index++)
|
|
{
|
|
Operand ne = EmitVectorExtractSx(context, op.Rn, index, op.Size);
|
|
Operand me;
|
|
|
|
if (op is OpCodeSimdReg binOp)
|
|
{
|
|
me = EmitVectorExtractSx(context, binOp.Rm, index, op.Size);
|
|
}
|
|
else
|
|
{
|
|
me = Const(0L);
|
|
}
|
|
|
|
Operand isTrue = emitCmp(ne, me);
|
|
|
|
Operand mask = context.ConditionalSelect(isTrue, Const(szMask), Const(0L));
|
|
|
|
res = EmitVectorInsert(context, res, mask, index, op.Size);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
|
|
private static void EmitCmtstOp(ArmEmitterContext context, bool scalar)
|
|
{
|
|
OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
|
|
|
|
Operand res = context.VectorZero();
|
|
|
|
int elems = !scalar ? op.GetBytesCount() >> op.Size : 1;
|
|
|
|
ulong szMask = ulong.MaxValue >> (64 - (8 << op.Size));
|
|
|
|
for (int index = 0; index < elems; index++)
|
|
{
|
|
Operand ne = EmitVectorExtractZx(context, op.Rn, index, op.Size);
|
|
Operand me = EmitVectorExtractZx(context, op.Rm, index, op.Size);
|
|
|
|
Operand test = context.BitwiseAnd(ne, me);
|
|
|
|
Operand isTrue = context.ICompareNotEqual(test, Const(0L));
|
|
|
|
Operand mask = context.ConditionalSelect(isTrue, Const(szMask), Const(0L));
|
|
|
|
res = EmitVectorInsert(context, res, mask, index, op.Size);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
|
|
private static void EmitCmpOpF(
|
|
ArmEmitterContext context,
|
|
_F32_F32_F32 f32,
|
|
_F64_F64_F64 f64,
|
|
bool scalar)
|
|
{
|
|
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
|
|
|
|
Operand res = context.VectorZero();
|
|
|
|
int sizeF = op.Size & 1;
|
|
|
|
OperandType type = sizeF != 0 ? OperandType.FP64 : OperandType.FP32;
|
|
|
|
int elems = !scalar ? op.GetBytesCount() >> sizeF + 2 : 1;
|
|
|
|
for (int index = 0; index < elems; index++)
|
|
{
|
|
Operand ne = context.VectorExtract(type, GetVec(op.Rn), index);
|
|
Operand me;
|
|
|
|
if (op is OpCodeSimdReg binOp)
|
|
{
|
|
me = context.VectorExtract(type, GetVec(binOp.Rm), index);
|
|
}
|
|
else
|
|
{
|
|
me = sizeF == 0 ? ConstF(0f) : ConstF(0d);
|
|
}
|
|
|
|
Operand e = EmitSoftFloatCall(context, f32, f64, ne, me);
|
|
|
|
res = context.VectorInsert(res, e, index);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
|
|
private static void EmitSse2CmpOpF(ArmEmitterContext context, CmpCondition cond, bool scalar)
|
|
{
|
|
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
|
|
|
|
Operand n = GetVec(op.Rn);
|
|
Operand m = op is OpCodeSimdReg binOp ? GetVec(binOp.Rm) : context.VectorZero();
|
|
|
|
int sizeF = op.Size & 1;
|
|
|
|
if (sizeF == 0)
|
|
{
|
|
Intrinsic inst = scalar ? Intrinsic.X86Cmpss : Intrinsic.X86Cmpps;
|
|
|
|
Operand res = context.AddIntrinsic(inst, n, m, Const((int)cond));
|
|
|
|
if (scalar)
|
|
{
|
|
res = context.VectorZeroUpper96(res);
|
|
}
|
|
else if (op.RegisterSize == RegisterSize.Simd64)
|
|
{
|
|
res = context.VectorZeroUpper64(res);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
else /* if (sizeF == 1) */
|
|
{
|
|
Intrinsic inst = scalar ? Intrinsic.X86Cmpsd : Intrinsic.X86Cmppd;
|
|
|
|
Operand res = context.AddIntrinsic(inst, n, m, Const((int)cond));
|
|
|
|
if (scalar)
|
|
{
|
|
res = context.VectorZeroUpper64(res);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
}
|
|
}
|
|
}
|