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Add Sqxtun_S, Sqxtun_V with 3 tests. (#188)

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* Update AInstEmitSimdArithmetic.cs

* Update Instructions.cs

* Update CpuTestSimd.cs
This commit is contained in:
LDj3SNuD 2018-06-26 04:36:20 +02:00 committed by gdkchan
parent 8f6387128a
commit c818093528
3 changed files with 168 additions and 12 deletions
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24
ChocolArm64/Instruction/AInstEmitSimdArithmetic.cs
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@ -213,15 +213,15 @@ namespace ChocolArm64.Instruction
} }
} }
private static void EmitQxtn(AILEmitterCtx Context, bool Signed, bool Scalar) private static void EmitSaturatingExtNarrow(AILEmitterCtx Context, bool SignedSrc, bool SignedDst, bool Scalar)
{ {
AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp; AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
int Elems = (!Scalar ? 8 >> Op.Size : 1); int Elems = (!Scalar ? 8 >> Op.Size : 1);
int ESize = 8 << Op.Size; int ESize = 8 << Op.Size;
int TMaxValue = (Signed ? (1 << (ESize - 1)) - 1 : (int)((1L << ESize) - 1L)); int TMaxValue = (SignedDst ? (1 << (ESize - 1)) - 1 : (int)((1L << ESize) - 1L));
int TMinValue = (Signed ? -((1 << (ESize - 1))) : 0); int TMinValue = (SignedDst ? -((1 << (ESize - 1))) : 0);
int Part = (!Scalar & (Op.RegisterSize == ARegisterSize.SIMD128) ? Elems : 0); int Part = (!Scalar & (Op.RegisterSize == ARegisterSize.SIMD128) ? Elems : 0);
@ -233,14 +233,14 @@ namespace ChocolArm64.Instruction
AILLabel LblLe = new AILLabel(); AILLabel LblLe = new AILLabel();
AILLabel LblGeEnd = new AILLabel(); AILLabel LblGeEnd = new AILLabel();
EmitVectorExtract(Context, Op.Rn, Index, Op.Size + 1, Signed); EmitVectorExtract(Context, Op.Rn, Index, Op.Size + 1, SignedSrc);
Context.Emit(OpCodes.Dup); Context.Emit(OpCodes.Dup);
Context.EmitLdc_I4(TMaxValue); Context.EmitLdc_I4(TMaxValue);
Context.Emit(OpCodes.Conv_U8); Context.Emit(OpCodes.Conv_U8);
Context.Emit(Signed ? OpCodes.Ble_S : OpCodes.Ble_Un_S, LblLe); Context.Emit(SignedSrc ? OpCodes.Ble_S : OpCodes.Ble_Un_S, LblLe);
Context.Emit(OpCodes.Pop); Context.Emit(OpCodes.Pop);
@ -258,7 +258,7 @@ namespace ChocolArm64.Instruction
Context.EmitLdc_I4(TMinValue); Context.EmitLdc_I4(TMinValue);
Context.Emit(OpCodes.Conv_I8); Context.Emit(OpCodes.Conv_I8);
Context.Emit(Signed ? OpCodes.Bge_S : OpCodes.Bge_Un_S, LblGeEnd); Context.Emit(SignedSrc ? OpCodes.Bge_S : OpCodes.Bge_Un_S, LblGeEnd);
Context.Emit(OpCodes.Pop); Context.Emit(OpCodes.Pop);
@ -1137,22 +1137,22 @@ namespace ChocolArm64.Instruction
public static void Sqxtn_S(AILEmitterCtx Context) public static void Sqxtn_S(AILEmitterCtx Context)
{ {
EmitQxtn(Context, Signed: true, Scalar: true); EmitSaturatingExtNarrow(Context, SignedSrc: true, SignedDst: true, Scalar: true);
} }
public static void Sqxtn_V(AILEmitterCtx Context) public static void Sqxtn_V(AILEmitterCtx Context)
{ {
EmitQxtn(Context, Signed: true, Scalar: false); EmitSaturatingExtNarrow(Context, SignedSrc: true, SignedDst: true, Scalar: false);
} }
public static void Sqxtun_S(AILEmitterCtx Context) public static void Sqxtun_S(AILEmitterCtx Context)
{ {
EmitQxtn(Context, Signed: false, Scalar: true); EmitSaturatingExtNarrow(Context, SignedSrc: true, SignedDst: false, Scalar: true);
} }
public static void Sqxtun_V(AILEmitterCtx Context) public static void Sqxtun_V(AILEmitterCtx Context)
{ {
EmitQxtn(Context, Signed: false, Scalar: false); EmitSaturatingExtNarrow(Context, SignedSrc: true, SignedDst: false, Scalar: false);
} }
public static void Sub_S(AILEmitterCtx Context) public static void Sub_S(AILEmitterCtx Context)
@ -1243,12 +1243,12 @@ namespace ChocolArm64.Instruction
public static void Uqxtn_S(AILEmitterCtx Context) public static void Uqxtn_S(AILEmitterCtx Context)
{ {
EmitQxtn(Context, Signed: false, Scalar: true); EmitSaturatingExtNarrow(Context, SignedSrc: false, SignedDst: false, Scalar: true);
} }
public static void Uqxtn_V(AILEmitterCtx Context) public static void Uqxtn_V(AILEmitterCtx Context)
{ {
EmitQxtn(Context, Signed: false, Scalar: false); EmitSaturatingExtNarrow(Context, SignedSrc: false, SignedDst: false, Scalar: false);
} }
} }
} }

76
Ryujinx.Tests/Cpu/CpuTestSimd.cs
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@ -851,6 +851,82 @@ namespace Ryujinx.Tests.Cpu
Assert.That(((ThreadState.Fpsr >> 27) & 1) != 0, Is.EqualTo(Shared.FPSR[27])); Assert.That(((ThreadState.Fpsr >> 27) & 1) != 0, Is.EqualTo(Shared.FPSR[27]));
} }
[Test, Description("SQXTUN <Vb><d>, <Va><n>")]
public void Sqxtun_S_HB_SH_DS([ValueSource("_1H1S1D_")] [Random(1)] ulong A,
[Values(0b00u, 0b01u, 0b10u)] uint size) // <HB, SH, DS>
{
uint Opcode = 0x7E212820; // SQXTUN B0, H1
Opcode |= ((size & 3) << 22);
Bits Op = new Bits(Opcode);
Vector128<float> V0 = MakeVectorE0E1(TestContext.CurrentContext.Random.NextULong(),
TestContext.CurrentContext.Random.NextULong());
Vector128<float> V1 = MakeVectorE0(A);
AThreadState ThreadState = SingleOpcode(Opcode, V0: V0, V1: V1);
AArch64.Vpart(0, 0, new Bits(TestContext.CurrentContext.Random.NextULong()));
AArch64.V(1, new Bits(A));
SimdFp.Sqxtun_S(Op[23, 22], Op[9, 5], Op[4, 0]);
Assert.Multiple(() =>
{
Assert.That(GetVectorE0(ThreadState.V0), Is.EqualTo(AArch64.V(64, 0).ToUInt64()));
Assert.That(GetVectorE1(ThreadState.V0), Is.Zero);
});
Assert.That(((ThreadState.Fpsr >> 27) & 1) != 0, Is.EqualTo(Shared.FPSR[27]));
}
[Test, Pairwise, Description("SQXTUN{2} <Vd>.<Tb>, <Vn>.<Ta>")]
public void Sqxtun_V_8H8B_4S4H_2D2S([ValueSource("_4H2S1D_")] [Random(1)] ulong A0,
[ValueSource("_4H2S1D_")] [Random(1)] ulong A1,
[Values(0b00u, 0b01u, 0b10u)] uint size) // <8H8B, 4S4H, 2D2S>
{
uint Opcode = 0x2E212820; // SQXTUN V0.8B, V1.8H
Opcode |= ((size & 3) << 22);
Bits Op = new Bits(Opcode);
Vector128<float> V0 = MakeVectorE1(TestContext.CurrentContext.Random.NextULong());
Vector128<float> V1 = MakeVectorE0E1(A0, A1);
AThreadState ThreadState = SingleOpcode(Opcode, V0: V0, V1: V1);
AArch64.Vpart(1, 0, new Bits(A0));
AArch64.Vpart(1, 1, new Bits(A1));
SimdFp.Sqxtun_V(Op[30], Op[23, 22], Op[9, 5], Op[4, 0]);
Assert.Multiple(() =>
{
Assert.That(GetVectorE0(ThreadState.V0), Is.EqualTo(AArch64.V(64, 0).ToUInt64()));
Assert.That(GetVectorE1(ThreadState.V0), Is.Zero);
});
Assert.That(((ThreadState.Fpsr >> 27) & 1) != 0, Is.EqualTo(Shared.FPSR[27]));
}
[Test, Pairwise, Description("SQXTUN{2} <Vd>.<Tb>, <Vn>.<Ta>")]
public void Sqxtun_V_8H16B_4S8H_2D4S([ValueSource("_4H2S1D_")] [Random(1)] ulong A0,
[ValueSource("_4H2S1D_")] [Random(1)] ulong A1,
[Values(0b00u, 0b01u, 0b10u)] uint size) // <8H16B, 4S8H, 2D4S>
{
uint Opcode = 0x6E212820; // SQXTUN2 V0.16B, V1.8H
Opcode |= ((size & 3) << 22);
Bits Op = new Bits(Opcode);
ulong _X0 = TestContext.CurrentContext.Random.NextULong();
Vector128<float> V0 = MakeVectorE0(_X0);
Vector128<float> V1 = MakeVectorE0E1(A0, A1);
AThreadState ThreadState = SingleOpcode(Opcode, V0: V0, V1: V1);
AArch64.Vpart(1, 0, new Bits(A0));
AArch64.Vpart(1, 1, new Bits(A1));
SimdFp.Sqxtun_V(Op[30], Op[23, 22], Op[9, 5], Op[4, 0]);
Assert.Multiple(() =>
{
Assert.That(GetVectorE0(ThreadState.V0), Is.EqualTo(_X0));
Assert.That(GetVectorE1(ThreadState.V0), Is.EqualTo(AArch64.Vpart(64, 0, 1).ToUInt64()));
});
Assert.That(((ThreadState.Fpsr >> 27) & 1) != 0, Is.EqualTo(Shared.FPSR[27]));
}
[Test, Description("UQXTN <Vb><d>, <Va><n>")] [Test, Description("UQXTN <Vb><d>, <Va><n>")]
public void Uqxtn_S_HB_SH_DS([ValueSource("_1H1S1D_")] [Random(1)] ulong A, public void Uqxtn_S_HB_SH_DS([ValueSource("_1H1S1D_")] [Random(1)] ulong A,
[Values(0b00u, 0b01u, 0b10u)] uint size) // <HB, SH, DS> [Values(0b00u, 0b01u, 0b10u)] uint size) // <HB, SH, DS>

80
Ryujinx.Tests/Cpu/Tester/Instructions.cs
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@ -2889,6 +2889,86 @@ namespace Ryujinx.Tests.Cpu.Tester
Vpart(d, part, result); Vpart(d, part, result);
} }
// sqxtun_advsimd.html#SQXTUN_asisdmisc_N
public static void Sqxtun_S(Bits size, Bits Rn, Bits Rd)
{
/* Decode Scalar */
int d = (int)UInt(Rd);
int n = (int)UInt(Rn);
/* if size == '11' then ReservedValue(); */
int esize = 8 << (int)UInt(size);
int datasize = esize;
int part = 0;
int elements = 1;
/* Operation */
/* CheckFPAdvSIMDEnabled64(); */
Bits result = new Bits(datasize);
Bits operand = V(2 * datasize, n);
Bits element;
bool sat;
for (int e = 0; e <= elements - 1; e++)
{
element = Elem(operand, e, 2 * esize);
(Bits _result, bool _sat) = UnsignedSatQ(SInt(element), esize);
Elem(result, e, esize, _result);
sat = _sat;
if (sat)
{
/* FPSR.QC = '1'; */
FPSR[27] = true; // TODO: Add named fields.
}
}
Vpart(d, part, result);
}
// sqxtun_advsimd.html#SQXTUN_asimdmisc_N
public static void Sqxtun_V(bool Q, Bits size, Bits Rn, Bits Rd)
{
/* Decode Vector */
int d = (int)UInt(Rd);
int n = (int)UInt(Rn);
/* if size == '11' then ReservedValue(); */
int esize = 8 << (int)UInt(size);
int datasize = 64;
int part = (int)UInt(Q);
int elements = datasize / esize;
/* Operation */
/* CheckFPAdvSIMDEnabled64(); */
Bits result = new Bits(datasize);
Bits operand = V(2 * datasize, n);
Bits element;
bool sat;
for (int e = 0; e <= elements - 1; e++)
{
element = Elem(operand, e, 2 * esize);
(Bits _result, bool _sat) = UnsignedSatQ(SInt(element), esize);
Elem(result, e, esize, _result);
sat = _sat;
if (sat)
{
/* FPSR.QC = '1'; */
FPSR[27] = true; // TODO: Add named fields.
}
}
Vpart(d, part, result);
}
// uqxtn_advsimd.html#UQXTN_asisdmisc_N // uqxtn_advsimd.html#UQXTN_asisdmisc_N
public static void Uqxtn_S(Bits size, Bits Rn, Bits Rd) public static void Uqxtn_S(Bits size, Bits Rn, Bits Rd)
{ {