Ryujinx/ARMeilleure/Instructions/InstEmitSimdLogical.cs
Wunk 45ce540b9b
ARMeilleure: Add gfni acceleration (#3669)
* ARMeilleure: Add `GFNI` detection

This is intended for utilizing the `gf2p8affineqb` instruction

* ARMeilleure: Add `gf2p8affineqb`

Not using the VEX or EVEX-form of this instruction is intentional. There
are `GFNI`-chips that do not support AVX(so no VEX encoding) such as
Tremont(Lakefield) chips as well as Jasper Lake.

13df339fe7/GenuineIntel/GenuineIntel00806A1_Lakefield_LC_InstLatX64.txt (L1297-L1299)

13df339fe7/GenuineIntel/GenuineIntel00906C0_JasperLake_InstLatX64.txt (L1252-L1254)

* ARMeilleure: Add `gfni` acceleration of `Rbit_V`

Passes all `Rbit_V*` unit tests on my `i9-11900k`

* ARMeilleure: Add `gfni` acceleration of `S{l,r}i_V`

Also added a fast-path for when the shift amount is greater than the
size of the element.

* ARMeilleure: Add `gfni` acceleration of `Shl_V` and `Sshr_V`

* ARMeilleure: Increment InternalVersion

* ARMeilleure: Fix Intrinsic and Assembler Table alignment

`gf2p8affineqb` is the longest instruction name I know of. It shouldn't
get any wider than this.

* ARMeilleure: Remove SSE2+SHA requirement for GFNI

* ARMeilleure Add `X86GetGf2p8LogicalShiftLeft`

Used to generate GF(2^8) 8x8 bit-matrices for bit-shifting for the `gf2p8affineqb` instruction.

* ARMeilleure: Append `FeatureInfo7Ecx` to `FeatureInfo`
2022-10-02 11:17:19 +02:00

543 lines
18 KiB
C#

using ARMeilleure.Decoders;
using ARMeilleure.IntermediateRepresentation;
using ARMeilleure.Translation;
using System;
using System.Diagnostics;
using static ARMeilleure.Instructions.InstEmitHelper;
using static ARMeilleure.Instructions.InstEmitSimdHelper;
using static ARMeilleure.IntermediateRepresentation.Operand.Factory;
namespace ARMeilleure.Instructions
{
static partial class InstEmit
{
public static void And_V(ArmEmitterContext context)
{
if (Optimizations.UseSse2)
{
OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
Operand n = GetVec(op.Rn);
Operand m = GetVec(op.Rm);
Operand res = context.AddIntrinsic(Intrinsic.X86Pand, n, m);
if (op.RegisterSize == RegisterSize.Simd64)
{
res = context.VectorZeroUpper64(res);
}
context.Copy(GetVec(op.Rd), res);
}
else
{
EmitVectorBinaryOpZx(context, (op1, op2) => context.BitwiseAnd(op1, op2));
}
}
public static void Bic_V(ArmEmitterContext context)
{
if (Optimizations.UseSse2)
{
OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
Operand n = GetVec(op.Rn);
Operand m = GetVec(op.Rm);
Operand res = context.AddIntrinsic(Intrinsic.X86Pandn, m, n);
if (op.RegisterSize == RegisterSize.Simd64)
{
res = context.VectorZeroUpper64(res);
}
context.Copy(GetVec(op.Rd), res);
}
else
{
EmitVectorBinaryOpZx(context, (op1, op2) =>
{
return context.BitwiseAnd(op1, context.BitwiseNot(op2));
});
}
}
public static void Bic_Vi(ArmEmitterContext context)
{
if (Optimizations.UseSse2)
{
OpCodeSimdImm op = (OpCodeSimdImm)context.CurrOp;
int eSize = 8 << op.Size;
Operand d = GetVec(op.Rd);
Operand imm = eSize switch {
16 => X86GetAllElements(context, (short)~op.Immediate),
32 => X86GetAllElements(context, (int)~op.Immediate),
_ => throw new InvalidOperationException($"Invalid element size {eSize}.")
};
Operand res = context.AddIntrinsic(Intrinsic.X86Pand, d, imm);
if (op.RegisterSize == RegisterSize.Simd64)
{
res = context.VectorZeroUpper64(res);
}
context.Copy(GetVec(op.Rd), res);
}
else
{
EmitVectorImmBinaryOp(context, (op1, op2) =>
{
return context.BitwiseAnd(op1, context.BitwiseNot(op2));
});
}
}
public static void Bif_V(ArmEmitterContext context)
{
EmitBifBit(context, notRm: true);
}
public static void Bit_V(ArmEmitterContext context)
{
EmitBifBit(context, notRm: false);
}
private static void EmitBifBit(ArmEmitterContext context, bool notRm)
{
OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
if (Optimizations.UseSse2)
{
Operand d = GetVec(op.Rd);
Operand n = GetVec(op.Rn);
Operand m = GetVec(op.Rm);
Operand res = context.AddIntrinsic(Intrinsic.X86Pxor, n, d);
if (notRm)
{
res = context.AddIntrinsic(Intrinsic.X86Pandn, m, res);
}
else
{
res = context.AddIntrinsic(Intrinsic.X86Pand, m, res);
}
res = context.AddIntrinsic(Intrinsic.X86Pxor, d, res);
if (op.RegisterSize == RegisterSize.Simd64)
{
res = context.VectorZeroUpper64(res);
}
context.Copy(d, res);
}
else
{
Operand res = context.VectorZero();
int elems = op.RegisterSize == RegisterSize.Simd128 ? 2 : 1;
for (int index = 0; index < elems; index++)
{
Operand d = EmitVectorExtractZx(context, op.Rd, index, 3);
Operand n = EmitVectorExtractZx(context, op.Rn, index, 3);
Operand m = EmitVectorExtractZx(context, op.Rm, index, 3);
if (notRm)
{
m = context.BitwiseNot(m);
}
Operand e = context.BitwiseExclusiveOr(d, n);
e = context.BitwiseAnd(e, m);
e = context.BitwiseExclusiveOr(e, d);
res = EmitVectorInsert(context, res, e, index, 3);
}
context.Copy(GetVec(op.Rd), res);
}
}
public static void Bsl_V(ArmEmitterContext context)
{
if (Optimizations.UseSse2)
{
OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
Operand d = GetVec(op.Rd);
Operand n = GetVec(op.Rn);
Operand m = GetVec(op.Rm);
Operand res = context.AddIntrinsic(Intrinsic.X86Pxor, n, m);
res = context.AddIntrinsic(Intrinsic.X86Pand, res, d);
res = context.AddIntrinsic(Intrinsic.X86Pxor, res, m);
if (op.RegisterSize == RegisterSize.Simd64)
{
res = context.VectorZeroUpper64(res);
}
context.Copy(d, res);
}
else
{
EmitVectorTernaryOpZx(context, (op1, op2, op3) =>
{
return context.BitwiseExclusiveOr(
context.BitwiseAnd(op1,
context.BitwiseExclusiveOr(op2, op3)), op3);
});
}
}
public static void Eor_V(ArmEmitterContext context)
{
if (Optimizations.UseSse2)
{
OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
Operand n = GetVec(op.Rn);
Operand m = GetVec(op.Rm);
Operand res = context.AddIntrinsic(Intrinsic.X86Pxor, n, m);
if (op.RegisterSize == RegisterSize.Simd64)
{
res = context.VectorZeroUpper64(res);
}
context.Copy(GetVec(op.Rd), res);
}
else
{
EmitVectorBinaryOpZx(context, (op1, op2) => context.BitwiseExclusiveOr(op1, op2));
}
}
public static void Not_V(ArmEmitterContext context)
{
if (Optimizations.UseSse2)
{
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
Operand n = GetVec(op.Rn);
Operand mask = X86GetAllElements(context, -1L);
Operand res = context.AddIntrinsic(Intrinsic.X86Pandn, n, mask);
if (op.RegisterSize == RegisterSize.Simd64)
{
res = context.VectorZeroUpper64(res);
}
context.Copy(GetVec(op.Rd), res);
}
else
{
EmitVectorUnaryOpZx(context, (op1) => context.BitwiseNot(op1));
}
}
public static void Orn_V(ArmEmitterContext context)
{
if (Optimizations.UseSse2)
{
OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
Operand n = GetVec(op.Rn);
Operand m = GetVec(op.Rm);
Operand mask = X86GetAllElements(context, -1L);
Operand res = context.AddIntrinsic(Intrinsic.X86Pandn, m, mask);
res = context.AddIntrinsic(Intrinsic.X86Por, res, n);
if (op.RegisterSize == RegisterSize.Simd64)
{
res = context.VectorZeroUpper64(res);
}
context.Copy(GetVec(op.Rd), res);
}
else
{
EmitVectorBinaryOpZx(context, (op1, op2) =>
{
return context.BitwiseOr(op1, context.BitwiseNot(op2));
});
}
}
public static void Orr_V(ArmEmitterContext context)
{
if (Optimizations.UseSse2)
{
OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
Operand n = GetVec(op.Rn);
Operand m = GetVec(op.Rm);
Operand res = context.AddIntrinsic(Intrinsic.X86Por, n, m);
if (op.RegisterSize == RegisterSize.Simd64)
{
res = context.VectorZeroUpper64(res);
}
context.Copy(GetVec(op.Rd), res);
}
else
{
EmitVectorBinaryOpZx(context, (op1, op2) => context.BitwiseOr(op1, op2));
}
}
public static void Orr_Vi(ArmEmitterContext context)
{
if (Optimizations.UseSse2)
{
OpCodeSimdImm op = (OpCodeSimdImm)context.CurrOp;
int eSize = 8 << op.Size;
Operand d = GetVec(op.Rd);
Operand imm = eSize switch {
16 => X86GetAllElements(context, (short)op.Immediate),
32 => X86GetAllElements(context, (int)op.Immediate),
_ => throw new InvalidOperationException($"Invalid element size {eSize}.")
};
Operand res = context.AddIntrinsic(Intrinsic.X86Por, d, imm);
if (op.RegisterSize == RegisterSize.Simd64)
{
res = context.VectorZeroUpper64(res);
}
context.Copy(GetVec(op.Rd), res);
}
else
{
EmitVectorImmBinaryOp(context, (op1, op2) => context.BitwiseOr(op1, op2));
}
}
public static void Rbit_V(ArmEmitterContext context)
{
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
if (Optimizations.UseGfni)
{
const long bitMatrix =
(0b10000000L << 56) |
(0b01000000L << 48) |
(0b00100000L << 40) |
(0b00010000L << 32) |
(0b00001000L << 24) |
(0b00000100L << 16) |
(0b00000010L << 8) |
(0b00000001L << 0);
Operand vBitMatrix = X86GetAllElements(context, bitMatrix);
Operand res = context.AddIntrinsic(Intrinsic.X86Gf2p8affineqb, GetVec(op.Rn), vBitMatrix, Const(0));
if (op.RegisterSize == RegisterSize.Simd64)
{
res = context.VectorZeroUpper64(res);
}
context.Copy(GetVec(op.Rd), res);
}
else
{
Operand res = context.VectorZero();
int elems = op.RegisterSize == RegisterSize.Simd128 ? 16 : 8;
for (int index = 0; index < elems; index++)
{
Operand ne = EmitVectorExtractZx(context, op.Rn, index, 0);
Operand de = EmitReverseBits8Op(context, ne);
res = EmitVectorInsert(context, res, de, index, 0);
}
context.Copy(GetVec(op.Rd), res);
}
}
private static Operand EmitReverseBits8Op(ArmEmitterContext context, Operand op)
{
Debug.Assert(op.Type == OperandType.I64);
Operand val = context.BitwiseOr(context.ShiftRightUI(context.BitwiseAnd(op, Const(0xaaul)), Const(1)),
context.ShiftLeft (context.BitwiseAnd(op, Const(0x55ul)), Const(1)));
val = context.BitwiseOr(context.ShiftRightUI(context.BitwiseAnd(val, Const(0xccul)), Const(2)),
context.ShiftLeft (context.BitwiseAnd(val, Const(0x33ul)), Const(2)));
return context.BitwiseOr(context.ShiftRightUI(val, Const(4)),
context.ShiftLeft (context.BitwiseAnd(val, Const(0x0ful)), Const(4)));
}
public static void Rev16_V(ArmEmitterContext context)
{
if (Optimizations.UseSsse3)
{
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
Operand n = GetVec(op.Rn);
const long maskE0 = 06L << 56 | 07L << 48 | 04L << 40 | 05L << 32 | 02L << 24 | 03L << 16 | 00L << 8 | 01L << 0;
const long maskE1 = 14L << 56 | 15L << 48 | 12L << 40 | 13L << 32 | 10L << 24 | 11L << 16 | 08L << 8 | 09L << 0;
Operand mask = X86GetScalar(context, maskE0);
mask = EmitVectorInsert(context, mask, Const(maskE1), 1, 3);
Operand res = context.AddIntrinsic(Intrinsic.X86Pshufb, n, mask);
if (op.RegisterSize == RegisterSize.Simd64)
{
res = context.VectorZeroUpper64(res);
}
context.Copy(GetVec(op.Rd), res);
}
else
{
EmitRev_V(context, containerSize: 1);
}
}
public static void Rev32_V(ArmEmitterContext context)
{
if (Optimizations.UseSsse3)
{
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
Operand n = GetVec(op.Rn);
Operand mask;
if (op.Size == 0)
{
const long maskE0 = 04L << 56 | 05L << 48 | 06L << 40 | 07L << 32 | 00L << 24 | 01L << 16 | 02L << 8 | 03L << 0;
const long maskE1 = 12L << 56 | 13L << 48 | 14L << 40 | 15L << 32 | 08L << 24 | 09L << 16 | 10L << 8 | 11L << 0;
mask = X86GetScalar(context, maskE0);
mask = EmitVectorInsert(context, mask, Const(maskE1), 1, 3);
}
else /* if (op.Size == 1) */
{
const long maskE0 = 05L << 56 | 04L << 48 | 07L << 40 | 06L << 32 | 01L << 24 | 00L << 16 | 03L << 8 | 02L << 0;
const long maskE1 = 13L << 56 | 12L << 48 | 15L << 40 | 14L << 32 | 09L << 24 | 08L << 16 | 11L << 8 | 10L << 0;
mask = X86GetScalar(context, maskE0);
mask = EmitVectorInsert(context, mask, Const(maskE1), 1, 3);
}
Operand res = context.AddIntrinsic(Intrinsic.X86Pshufb, n, mask);
if (op.RegisterSize == RegisterSize.Simd64)
{
res = context.VectorZeroUpper64(res);
}
context.Copy(GetVec(op.Rd), res);
}
else
{
EmitRev_V(context, containerSize: 2);
}
}
public static void Rev64_V(ArmEmitterContext context)
{
if (Optimizations.UseSsse3)
{
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
Operand n = GetVec(op.Rn);
Operand mask;
if (op.Size == 0)
{
const long maskE0 = 00L << 56 | 01L << 48 | 02L << 40 | 03L << 32 | 04L << 24 | 05L << 16 | 06L << 8 | 07L << 0;
const long maskE1 = 08L << 56 | 09L << 48 | 10L << 40 | 11L << 32 | 12L << 24 | 13L << 16 | 14L << 8 | 15L << 0;
mask = X86GetScalar(context, maskE0);
mask = EmitVectorInsert(context, mask, Const(maskE1), 1, 3);
}
else if (op.Size == 1)
{
const long maskE0 = 01L << 56 | 00L << 48 | 03L << 40 | 02L << 32 | 05L << 24 | 04L << 16 | 07L << 8 | 06L << 0;
const long maskE1 = 09L << 56 | 08L << 48 | 11L << 40 | 10L << 32 | 13L << 24 | 12L << 16 | 15L << 8 | 14L << 0;
mask = X86GetScalar(context, maskE0);
mask = EmitVectorInsert(context, mask, Const(maskE1), 1, 3);
}
else /* if (op.Size == 2) */
{
const long maskE0 = 03L << 56 | 02L << 48 | 01L << 40 | 00L << 32 | 07L << 24 | 06L << 16 | 05L << 8 | 04L << 0;
const long maskE1 = 11L << 56 | 10L << 48 | 09L << 40 | 08L << 32 | 15L << 24 | 14L << 16 | 13L << 8 | 12L << 0;
mask = X86GetScalar(context, maskE0);
mask = EmitVectorInsert(context, mask, Const(maskE1), 1, 3);
}
Operand res = context.AddIntrinsic(Intrinsic.X86Pshufb, n, mask);
if (op.RegisterSize == RegisterSize.Simd64)
{
res = context.VectorZeroUpper64(res);
}
context.Copy(GetVec(op.Rd), res);
}
else
{
EmitRev_V(context, containerSize: 3);
}
}
private static void EmitRev_V(ArmEmitterContext context, int containerSize)
{
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
Operand res = context.VectorZero();
int elems = op.GetBytesCount() >> op.Size;
int containerMask = (1 << (containerSize - op.Size)) - 1;
for (int index = 0; index < elems; index++)
{
int revIndex = index ^ containerMask;
Operand ne = EmitVectorExtractZx(context, op.Rn, revIndex, op.Size);
res = EmitVectorInsert(context, res, ne, index, op.Size);
}
context.Copy(GetVec(op.Rd), res);
}
}
}