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Cpu: Implement Vpadal and Vrintr instructions (#6185)

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* Cpu: Implement Vpadal and Vrintr instructions

This PR superseed last instructions left in #2242.
Since I'm not a CPU guy I've just ported the code and nothing more.
Please be precise during review if there are some changes to be done.

It should fixes #1781

Co-Authored-By: Piyachet Kanda <piyachetk@gmail.com>

* Addresses gdkchan's feedback

* Addresses gdkchan's feedback 2

* Apply suggestions from code review

Co-authored-by: gdkchan <gab.dark.100@gmail.com>

* another fix

* Update InstEmitSimdHelper32.cs

* Correct fix

* Addresses gdkchan's feedback

* Update CpuTestSimdCvt32.cs

---------

Co-authored-by: Piyachet Kanda <piyachetk@gmail.com>
Co-authored-by: gdkchan <gab.dark.100@gmail.com>
This commit is contained in:
Ac_K 2024-01-30 00:51:05 +01:00 committed by GitHub
parent 2adf031830
commit 8bf102d2cd
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7 changed files with 133 additions and 0 deletions
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2
src/ARMeilleure/Decoders/OpCodeTable.cs
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@ -875,6 +875,7 @@ namespace ARMeilleure.Decoders
SetVfp("<<<<11100x10xxxxxxxx101xx1x0xxxx", InstName.Vnmul, InstEmit32.Vnmul_S, OpCode32SimdRegS.Create, OpCode32SimdRegS.CreateT32);
SetVfp("111111101x1110xxxxxx101x01x0xxxx", InstName.Vrint, InstEmit32.Vrint_RM, OpCode32SimdS.Create, OpCode32SimdS.CreateT32);
SetVfp("<<<<11101x110110xxxx101x11x0xxxx", InstName.Vrint, InstEmit32.Vrint_Z, OpCode32SimdS.Create, OpCode32SimdS.CreateT32);
SetVfp("<<<<11101x110110xxxx101x01x0xxxx", InstName.Vrintr, InstEmit32.Vrintr_S, OpCode32SimdS.Create, OpCode32SimdS.CreateT32);
SetVfp("<<<<11101x110111xxxx101x01x0xxxx", InstName.Vrintx, InstEmit32.Vrintx_S, OpCode32SimdS.Create, OpCode32SimdS.CreateT32);
SetVfp("<<<<11101x110001xxxx101x11x0xxxx", InstName.Vsqrt, InstEmit32.Vsqrt_S, OpCode32SimdS.Create, OpCode32SimdS.CreateT32);
SetVfp("111111100xxxxxxxxxxx101xx0x0xxxx", InstName.Vsel, InstEmit32.Vsel, OpCode32SimdSel.Create, OpCode32SimdSel.CreateT32);
@ -995,6 +996,7 @@ namespace ARMeilleure.Decoders
SetAsimd("1111001x1x000xxxxxxx<<x10x01xxxx", InstName.Vorr, InstEmit32.Vorr_II, OpCode32SimdImm.Create, OpCode32SimdImm.CreateT32);
SetAsimd("111100100x<<xxxxxxxx1011x0x1xxxx", InstName.Vpadd, InstEmit32.Vpadd_I, OpCode32SimdReg.Create, OpCode32SimdReg.CreateT32);
SetAsimd("111100110x00xxxxxxxx1101x0x0xxxx", InstName.Vpadd, InstEmit32.Vpadd_V, OpCode32SimdReg.Create, OpCode32SimdReg.CreateT32);
SetAsimd("111100111x11<<00xxxx0110xxx0xxxx", InstName.Vpadal, InstEmit32.Vpadal, OpCode32SimdCmpZ.Create, OpCode32SimdCmpZ.CreateT32);
SetAsimd("111100111x11<<00xxxx0010xxx0xxxx", InstName.Vpaddl, InstEmit32.Vpaddl, OpCode32SimdCmpZ.Create, OpCode32SimdCmpZ.CreateT32);
SetAsimd("1111001x0x<<xxxxxxxx1010x0x0xxxx", InstName.Vpmax, InstEmit32.Vpmax_I, OpCode32SimdReg.Create, OpCode32SimdReg.CreateT32);
SetAsimd("111100110x00xxxxxxxx1111x0x0xxxx", InstName.Vpmax, InstEmit32.Vpmax_V, OpCode32SimdReg.Create, OpCode32SimdReg.CreateT32);

7
src/ARMeilleure/Instructions/InstEmitSimdArithmetic32.cs
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@ -1115,6 +1115,13 @@ namespace ARMeilleure.Instructions
}
}
public static void Vpadal(ArmEmitterContext context)
{
OpCode32Simd op = (OpCode32Simd)context.CurrOp;
EmitVectorPairwiseTernaryLongOpI32(context, (op1, op2, op3) => context.Add(context.Add(op1, op2), op3), op.Opc != 1);
}
public static void Vpaddl(ArmEmitterContext context)
{
OpCode32Simd op = (OpCode32Simd)context.CurrOp;

16
src/ARMeilleure/Instructions/InstEmitSimdCvt32.cs
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@ -578,6 +578,22 @@ namespace ARMeilleure.Instructions
}
}
// VRINTR (floating-point).
public static void Vrintr_S(ArmEmitterContext context)
{
if (Optimizations.UseAdvSimd)
{
InstEmitSimdHelper32Arm64.EmitScalarUnaryOpF32(context, Intrinsic.Arm64FrintiS);
}
else
{
EmitScalarUnaryOpF32(context, (op1) =>
{
return EmitRoundByRMode(context, op1);
});
}
}
// VRINTZ (floating-point).
public static void Vrint_Z(ArmEmitterContext context)
{

29
src/ARMeilleure/Instructions/InstEmitSimdHelper32.cs
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@ -673,6 +673,35 @@ namespace ARMeilleure.Instructions
context.Copy(GetVecA32(op.Qd), res);
}
public static void EmitVectorPairwiseTernaryLongOpI32(ArmEmitterContext context, Func3I emit, bool signed)
{
OpCode32Simd op = (OpCode32Simd)context.CurrOp;
int elems = op.GetBytesCount() >> op.Size;
int pairs = elems >> 1;
Operand res = GetVecA32(op.Qd);
for (int index = 0; index < pairs; index++)
{
int pairIndex = index * 2;
Operand m1 = EmitVectorExtract32(context, op.Qm, op.Im + pairIndex, op.Size, signed);
Operand m2 = EmitVectorExtract32(context, op.Qm, op.Im + pairIndex + 1, op.Size, signed);
if (op.Size == 2)
{
m1 = signed ? context.SignExtend32(OperandType.I64, m1) : context.ZeroExtend32(OperandType.I64, m1);
m2 = signed ? context.SignExtend32(OperandType.I64, m2) : context.ZeroExtend32(OperandType.I64, m2);
}
Operand d1 = EmitVectorExtract32(context, op.Qd, op.Id + index, op.Size + 1, signed);
res = EmitVectorInsert(context, res, emit(m1, m2, d1), op.Id + index, op.Size + 1);
}
context.Copy(GetVecA32(op.Qd), res);
}
// Narrow
public static void EmitVectorUnaryNarrowOp32(ArmEmitterContext context, Func1I emit, bool signed = false)

2
src/ARMeilleure/Instructions/InstName.cs
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@ -637,6 +637,7 @@ namespace ARMeilleure.Instructions
Vorn,
Vorr,
Vpadd,
Vpadal,
Vpaddl,
Vpmax,
Vpmin,
@ -656,6 +657,7 @@ namespace ARMeilleure.Instructions
Vrintm,
Vrintn,
Vrintp,
Vrintr,
Vrintx,
Vrshr,
Vrshrn,

39
src/Ryujinx.Tests/Cpu/CpuTestSimdCvt32.cs
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@ -511,6 +511,45 @@ namespace Ryujinx.Tests.Cpu
CompareAgainstUnicorn();
}
[Test, Pairwise, Description("VRINTR.F<size> <Sd>, <Sm>")]
[Platform(Exclude = "Linux,MacOsX")] // Instruction isn't testable due to Unicorn.
public void Vrintr([Values(0u, 1u)] uint rd,
[Values(0u, 1u)] uint rm,
[Values(2u, 3u)] uint size,
[ValueSource(nameof(_1D_F_))] ulong s0,
[ValueSource(nameof(_1D_F_))] ulong s1,
[ValueSource(nameof(_1D_F_))] ulong s2,
[Values(RMode.Rn, RMode.Rm, RMode.Rp)] RMode rMode)
{
uint opcode = 0xEEB60A40;
V128 v0, v1, v2;
if (size == 2)
{
opcode |= ((rm & 0x1e) >> 1) | ((rm & 0x1) << 5);
opcode |= ((rd & 0x1e) << 11) | ((rd & 0x1) << 22);
v0 = MakeVectorE0E1((uint)BitConverter.SingleToInt32Bits(s0), (uint)BitConverter.SingleToInt32Bits(s0));
v1 = MakeVectorE0E1((uint)BitConverter.SingleToInt32Bits(s1), (uint)BitConverter.SingleToInt32Bits(s0));
v2 = MakeVectorE0E1((uint)BitConverter.SingleToInt32Bits(s2), (uint)BitConverter.SingleToInt32Bits(s1));
}
else
{
opcode |= ((rm & 0xf) << 0) | ((rm & 0x10) << 1);
opcode |= ((rd & 0xf) << 12) | ((rd & 0x10) << 18);
v0 = MakeVectorE0E1((uint)BitConverter.DoubleToInt64Bits(s0), (uint)BitConverter.DoubleToInt64Bits(s0));
v1 = MakeVectorE0E1((uint)BitConverter.DoubleToInt64Bits(s1), (uint)BitConverter.DoubleToInt64Bits(s0));
v2 = MakeVectorE0E1((uint)BitConverter.DoubleToInt64Bits(s2), (uint)BitConverter.DoubleToInt64Bits(s1));
}
opcode |= ((size & 3) << 8);
int fpscr = (int)rMode << (int)Fpcr.RMode;
SingleOpcode(opcode, v0: v0, v1: v1, v2: v2, fpscr: fpscr);
CompareAgainstUnicorn();
}
#endif
}
}

38
src/Ryujinx.Tests/Cpu/CpuTestSimdReg32.cs
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@ -908,6 +908,44 @@ namespace Ryujinx.Tests.Cpu
CompareAgainstUnicorn();
}
[Test, Pairwise]
public void Vp_Add_Long_Accumulate([Values(0u, 2u, 4u, 8u)] uint rd,
[Values(0u, 2u, 4u, 8u)] uint rm,
[Values(0u, 1u, 2u)] uint size,
[Random(RndCnt)] ulong z,
[Random(RndCnt)] ulong a,
[Random(RndCnt)] ulong b,
[Values] bool q,
[Values] bool unsigned)
{
uint opcode = 0xF3B00600; // VPADAL.S8 D0, Q0
if (q)
{
opcode |= 1 << 6;
rm <<= 1;
rd <<= 1;
}
if (unsigned)
{
opcode |= 1 << 7;
}
opcode |= ((rm & 0xf) << 0) | ((rm & 0x10) << 1);
opcode |= ((rd & 0xf) << 12) | ((rd & 0x10) << 18);
opcode |= size << 18;
V128 v0 = MakeVectorE0E1(z, z);
V128 v1 = MakeVectorE0E1(a, z);
V128 v2 = MakeVectorE0E1(b, z);
SingleOpcode(opcode, v0: v0, v1: v1, v2: v2);
CompareAgainstUnicorn();
}
#endif
}
}