Ryujinx/Ryujinx.Tests/Cpu/CpuTestSimdCvt.cs

#define SimdCvt

using ARMeilleure.State;

using NUnit.Framework;

using System;
using System.Collections.Generic;

namespace Ryujinx.Tests.Cpu
{
    [Category("SimdCvt")]
    public sealed class CpuTestSimdCvt : CpuTest
    {
#if SimdCvt

#region "ValueSource (Types)"
        private static uint[] _W_()
        {
            return new uint[] { 0x00000000u, 0x7FFFFFFFu,
                                0x80000000u, 0xFFFFFFFFu };
        }

        private static ulong[] _X_()
        {
            return new ulong[] { 0x0000000000000000ul, 0x7FFFFFFFFFFFFFFFul,
                                 0x8000000000000000ul, 0xFFFFFFFFFFFFFFFFul };
        }

        private static IEnumerable<ulong> _1S_F_WX_()
        {
            // int
            yield return 0x00000000CF000001ul; // -2.1474839E9f  (-2147483904)
            yield return 0x00000000CF000000ul; // -2.14748365E9f (-2147483648)
            yield return 0x00000000CEFFFFFFul; // -2.14748352E9f (-2147483520)
            yield return 0x000000004F000001ul; //  2.1474839E9f  (2147483904)
            yield return 0x000000004F000000ul; //  2.14748365E9f (2147483648)
            yield return 0x000000004EFFFFFFul; //  2.14748352E9f (2147483520)

            // long
            yield return 0x00000000DF000001ul; // -9.223373E18f  (-9223373136366403584)
            yield return 0x00000000DF000000ul; // -9.223372E18f  (-9223372036854775808)
            yield return 0x00000000DEFFFFFFul; // -9.2233715E18f (-9223371487098961920)
            yield return 0x000000005F000001ul; //  9.223373E18f  (9223373136366403584)
            yield return 0x000000005F000000ul; //  9.223372E18f  (9223372036854775808)
            yield return 0x000000005EFFFFFFul; //  9.2233715E18f (9223371487098961920)

            // uint
            yield return 0x000000004F800001ul; // 4.2949678E9f  (4294967808)
            yield return 0x000000004F800000ul; // 4.2949673E9f  (4294967296)
            yield return 0x000000004F7FFFFFul; // 4.29496704E9f (4294967040)

            // ulong
            yield return 0x000000005F800001ul; // 1.8446746E19f (18446746272732807168)
            yield return 0x000000005F800000ul; // 1.8446744E19f (18446744073709551616)
            yield return 0x000000005F7FFFFFul; // 1.8446743E19f (18446742974197923840)

            yield return 0x00000000FF7FFFFFul; // -Max Normal    (float.MinValue)
            yield return 0x0000000080800000ul; // -Min Normal
            yield return 0x00000000807FFFFFul; // -Max Subnormal
            yield return 0x0000000080000001ul; // -Min Subnormal (-float.Epsilon)
            yield return 0x000000007F7FFFFFul; // +Max Normal    (float.MaxValue)
            yield return 0x0000000000800000ul; // +Min Normal
            yield return 0x00000000007FFFFFul; // +Max Subnormal
            yield return 0x0000000000000001ul; // +Min Subnormal (float.Epsilon)

            if (!NoZeros)
            {
                yield return 0x0000000080000000ul; // -Zero
                yield return 0x0000000000000000ul; // +Zero
            }

            if (!NoInfs)
            {
                yield return 0x00000000FF800000ul; // -Infinity
                yield return 0x000000007F800000ul; // +Infinity
            }

            if (!NoNaNs)
            {
                yield return 0x00000000FFC00000ul; // -QNaN (all zeros payload) (float.NaN)
                yield return 0x00000000FFBFFFFFul; // -SNaN (all ones  payload)
                yield return 0x000000007FC00000ul; // +QNaN (all zeros payload) (-float.NaN) (DefaultNaN)
                yield return 0x000000007FBFFFFFul; // +SNaN (all ones  payload)
            }

            for (int cnt = 1; cnt <= RndCnt; cnt++)
            {
                ulong grbg = TestContext.CurrentContext.Random.NextUInt();

                ulong rnd1 = (uint)BitConverter.SingleToInt32Bits(
                    (float)((int)TestContext.CurrentContext.Random.NextUInt()));
                ulong rnd2 = (uint)BitConverter.SingleToInt32Bits(
                    (float)((long)TestContext.CurrentContext.Random.NextULong()));
                ulong rnd3 = (uint)BitConverter.SingleToInt32Bits(
                    (float)((uint)TestContext.CurrentContext.Random.NextUInt()));
                ulong rnd4 = (uint)BitConverter.SingleToInt32Bits(
                    (float)((ulong)TestContext.CurrentContext.Random.NextULong()));

                ulong rnd5 = GenNormalS();
                ulong rnd6 = GenSubnormalS();

                yield return (grbg << 32) | rnd1;
                yield return (grbg << 32) | rnd2;
                yield return (grbg << 32) | rnd3;
                yield return (grbg << 32) | rnd4;

                yield return (grbg << 32) | rnd5;
                yield return (grbg << 32) | rnd6;
            }
        }

        private static IEnumerable<ulong> _1D_F_WX_()
        {
            // int
            yield return 0xC1E0000000200000ul; // -2147483649.0000000d (-2147483649)
            yield return 0xC1E0000000000000ul; // -2147483648.0000000d (-2147483648)
            yield return 0xC1DFFFFFFFC00000ul; // -2147483647.0000000d (-2147483647)
            yield return 0x41E0000000200000ul; //  2147483649.0000000d (2147483649)
            yield return 0x41E0000000000000ul; //  2147483648.0000000d (2147483648)
            yield return 0x41DFFFFFFFC00000ul; //  2147483647.0000000d (2147483647)

            // long
            yield return 0xC3E0000000000001ul; // -9.2233720368547780E18d (-9223372036854778000)
            yield return 0xC3E0000000000000ul; // -9.2233720368547760E18d (-9223372036854776000)
            yield return 0xC3DFFFFFFFFFFFFFul; // -9.2233720368547750E18d (-9223372036854775000)
            yield return 0x43E0000000000001ul; //  9.2233720368547780E18d (9223372036854778000)
            yield return 0x43E0000000000000ul; //  9.2233720368547760E18d (9223372036854776000)
            yield return 0x43DFFFFFFFFFFFFFul; //  9.2233720368547750E18d (9223372036854775000)

            // uint
            yield return 0x41F0000000100000ul; // 4294967297.0000000d (4294967297)
            yield return 0x41F0000000000000ul; // 4294967296.0000000d (4294967296)
            yield return 0x41EFFFFFFFE00000ul; // 4294967295.0000000d (4294967295)

            // ulong
            yield return 0x43F0000000000001ul; // 1.8446744073709556e19d (18446744073709556000)
            yield return 0x43F0000000000000ul; // 1.8446744073709552E19d (18446744073709552000)
            yield return 0x43EFFFFFFFFFFFFFul; // 1.8446744073709550e19d (18446744073709550000)

            yield return 0xFFEFFFFFFFFFFFFFul; // -Max Normal    (double.MinValue)
            yield return 0x8010000000000000ul; // -Min Normal
            yield return 0x800FFFFFFFFFFFFFul; // -Max Subnormal
            yield return 0x8000000000000001ul; // -Min Subnormal (-double.Epsilon)
            yield return 0x7FEFFFFFFFFFFFFFul; // +Max Normal    (double.MaxValue)
            yield return 0x0010000000000000ul; // +Min Normal
            yield return 0x000FFFFFFFFFFFFFul; // +Max Subnormal
            yield return 0x0000000000000001ul; // +Min Subnormal (double.Epsilon)

            if (!NoZeros)
            {
                yield return 0x8000000000000000ul; // -Zero
                yield return 0x0000000000000000ul; // +Zero
            }

            if (!NoInfs)
            {
                yield return 0xFFF0000000000000ul; // -Infinity
                yield return 0x7FF0000000000000ul; // +Infinity
            }

            if (!NoNaNs)
            {
                yield return 0xFFF8000000000000ul; // -QNaN (all zeros payload) (double.NaN)
                yield return 0xFFF7FFFFFFFFFFFFul; // -SNaN (all ones  payload)
                yield return 0x7FF8000000000000ul; // +QNaN (all zeros payload) (-double.NaN) (DefaultNaN)
                yield return 0x7FF7FFFFFFFFFFFFul; // +SNaN (all ones  payload)
            }

            for (int cnt = 1; cnt <= RndCnt; cnt++)
            {
                ulong rnd1 = (ulong)BitConverter.DoubleToInt64Bits(
                    (double)((int)TestContext.CurrentContext.Random.NextUInt()));
                ulong rnd2 = (ulong)BitConverter.DoubleToInt64Bits(
                    (double)((long)TestContext.CurrentContext.Random.NextULong()));
                ulong rnd3 = (ulong)BitConverter.DoubleToInt64Bits(
                    (double)((uint)TestContext.CurrentContext.Random.NextUInt()));
                ulong rnd4 = (ulong)BitConverter.DoubleToInt64Bits(
                    (double)((ulong)TestContext.CurrentContext.Random.NextULong()));

                ulong rnd5 = GenNormalD();
                ulong rnd6 = GenSubnormalD();

                yield return rnd1;
                yield return rnd2;
                yield return rnd3;
                yield return rnd4;

                yield return rnd5;
                yield return rnd6;
            }
        }
#endregion

#region "ValueSource (Opcodes)"
        private static uint[] _F_Cvt_AMPZ_SU_Gp_SW_()
        {
            return new uint[]
            {
                0x1E240000u, // FCVTAS W0, S0
                0x1E250000u, // FCVTAU W0, S0
                0x1E300000u, // FCVTMS W0, S0
                0x1E310000u, // FCVTMU W0, S0
                0x1E280000u, // FCVTPS W0, S0
                0x1E290000u, // FCVTPU W0, S0
                0x1E380000u, // FCVTZS W0, S0
                0x1E390000u  // FCVTZU W0, S0
            };
        }

        private static uint[] _F_Cvt_AMPZ_SU_Gp_SX_()
        {
            return new uint[]
            {
                0x9E240000u, // FCVTAS X0, S0
                0x9E250000u, // FCVTAU X0, S0
                0x9E300000u, // FCVTMS X0, S0
                0x9E310000u, // FCVTMU X0, S0
                0x9E280000u, // FCVTPS X0, S0
                0x9E290000u, // FCVTPU X0, S0
                0x9E380000u, // FCVTZS X0, S0
                0x9E390000u  // FCVTZU X0, S0
            };
        }

        private static uint[] _F_Cvt_AMPZ_SU_Gp_DW_()
        {
            return new uint[]
            {
                0x1E640000u, // FCVTAS W0, D0
                0x1E650000u, // FCVTAU W0, D0
                0x1E700000u, // FCVTMS W0, D0
                0x1E710000u, // FCVTMU W0, D0
                0x1E680000u, // FCVTPS W0, D0
                0x1E690000u, // FCVTPU W0, D0
                0x1E780000u, // FCVTZS W0, D0
                0x1E790000u  // FCVTZU W0, D0
            };
        }

        private static uint[] _F_Cvt_AMPZ_SU_Gp_DX_()
        {
            return new uint[]
            {
                0x9E640000u, // FCVTAS X0, D0
                0x9E650000u, // FCVTAU X0, D0
                0x9E700000u, // FCVTMS X0, D0
                0x9E710000u, // FCVTMU X0, D0
                0x9E680000u, // FCVTPS X0, D0
                0x9E690000u, // FCVTPU X0, D0
                0x9E780000u, // FCVTZS X0, D0
                0x9E790000u  // FCVTZU X0, D0
            };
        }

        private static uint[] _F_Cvt_Z_SU_Gp_Fixed_SW_()
        {
            return new uint[]
            {
                0x1E188000u, // FCVTZS W0, S0, #32
                0x1E198000u  // FCVTZU W0, S0, #32
            };
        }

        private static uint[] _F_Cvt_Z_SU_Gp_Fixed_SX_()
        {
            return new uint[]
            {
                0x9E180000u, // FCVTZS X0, S0, #64
                0x9E190000u  // FCVTZU X0, S0, #64
            };
        }

        private static uint[] _F_Cvt_Z_SU_Gp_Fixed_DW_()
        {
            return new uint[]
            {
                0x1E588000u, // FCVTZS W0, D0, #32
                0x1E598000u  // FCVTZU W0, D0, #32
            };
        }

        private static uint[] _F_Cvt_Z_SU_Gp_Fixed_DX_()
        {
            return new uint[]
            {
                0x9E580000u, // FCVTZS X0, D0, #64
                0x9E590000u  // FCVTZU X0, D0, #64
            };
        }

        private static uint[] _SU_Cvt_F_Gp_WS_()
        {
            return new uint[]
            {
                0x1E220000u, // SCVTF S0, W0
                0x1E230000u  // UCVTF S0, W0
            };
        }

        private static uint[] _SU_Cvt_F_Gp_WD_()
        {
            return new uint[]
            {
                0x1E620000u, // SCVTF D0, W0
                0x1E630000u  // UCVTF D0, W0
            };
        }

        private static uint[] _SU_Cvt_F_Gp_XS_()
        {
            return new uint[]
            {
                0x9E220000u, // SCVTF S0, X0
                0x9E230000u  // UCVTF S0, X0
            };
        }

        private static uint[] _SU_Cvt_F_Gp_XD_()
        {
            return new uint[]
            {
                0x9E620000u, // SCVTF D0, X0
                0x9E630000u  // UCVTF D0, X0
            };
        }

        private static uint[] _SU_Cvt_F_Gp_Fixed_WS_()
        {
            return new uint[]
            {
                0x1E028000u, // SCVTF S0, W0, #32
                0x1E038000u  // UCVTF S0, W0, #32
            };
        }

        private static uint[] _SU_Cvt_F_Gp_Fixed_WD_()
        {
            return new uint[]
            {
                0x1E428000u, // SCVTF D0, W0, #32
                0x1E438000u  // UCVTF D0, W0, #32
            };
        }

        private static uint[] _SU_Cvt_F_Gp_Fixed_XS_()
        {
            return new uint[]
            {
                0x9E020000u, // SCVTF S0, X0, #64
                0x9E030000u  // UCVTF S0, X0, #64
            };
        }

        private static uint[] _SU_Cvt_F_Gp_Fixed_XD_()
        {
            return new uint[]
            {
                0x9E420000u, // SCVTF D0, X0, #64
                0x9E430000u  // UCVTF D0, X0, #64
            };
        }
#endregion

        private const int RndCnt      = 2;
        private const int RndCntFBits = 2;

        private static readonly bool NoZeros = false;
        private static readonly bool NoInfs  = false;
        private static readonly bool NoNaNs  = false;

        [Test, Pairwise] [Explicit]
        public void F_Cvt_AMPZ_SU_Gp_SW([ValueSource("_F_Cvt_AMPZ_SU_Gp_SW_")] uint opcodes,
                                        [Values(0u, 31u)] uint rd,
                                        [Values(1u)]      uint rn,
                                        [ValueSource("_1S_F_WX_")] ulong a)
        {
            opcodes |= ((rn & 31) << 5) | ((rd & 31) << 0);

            ulong x0 = (ulong)TestContext.CurrentContext.Random.NextUInt() << 32;
            uint w31 = TestContext.CurrentContext.Random.NextUInt();
            V128 v1 = MakeVectorE0(a);

            SingleOpcode(opcodes, x0: x0, x31: w31, v1: v1);

            CompareAgainstUnicorn();
        }

        [Test, Pairwise] [Explicit]
        public void F_Cvt_AMPZ_SU_Gp_SX([ValueSource("_F_Cvt_AMPZ_SU_Gp_SX_")] uint opcodes,
                                        [Values(0u, 31u)] uint rd,
                                        [Values(1u)]      uint rn,
                                        [ValueSource("_1S_F_WX_")] ulong a)
        {
            opcodes |= ((rn & 31) << 5) | ((rd & 31) << 0);

            ulong x31 = TestContext.CurrentContext.Random.NextULong();
            V128 v1 = MakeVectorE0(a);

            SingleOpcode(opcodes, x31: x31, v1: v1);

            CompareAgainstUnicorn();
        }

        [Test, Pairwise] [Explicit]
        public void F_Cvt_AMPZ_SU_Gp_DW([ValueSource("_F_Cvt_AMPZ_SU_Gp_DW_")] uint opcodes,
                                        [Values(0u, 31u)] uint rd,
                                        [Values(1u)]      uint rn,
                                        [ValueSource("_1D_F_WX_")] ulong a)
        {
            opcodes |= ((rn & 31) << 5) | ((rd & 31) << 0);

            ulong x0 = (ulong)TestContext.CurrentContext.Random.NextUInt() << 32;
            uint w31 = TestContext.CurrentContext.Random.NextUInt();
            V128 v1 = MakeVectorE0(a);

            SingleOpcode(opcodes, x0: x0, x31: w31, v1: v1);

            CompareAgainstUnicorn();
        }

        [Test, Pairwise] [Explicit]
        public void F_Cvt_AMPZ_SU_Gp_DX([ValueSource("_F_Cvt_AMPZ_SU_Gp_DX_")] uint opcodes,
                                        [Values(0u, 31u)] uint rd,
                                        [Values(1u)]      uint rn,
                                        [ValueSource("_1D_F_WX_")] ulong a)
        {
            opcodes |= ((rn & 31) << 5) | ((rd & 31) << 0);

            ulong x31 = TestContext.CurrentContext.Random.NextULong();
            V128 v1 = MakeVectorE0(a);

            SingleOpcode(opcodes, x31: x31, v1: v1);

            CompareAgainstUnicorn();
        }

        [Test, Pairwise] [Explicit]
        public void F_Cvt_Z_SU_Gp_Fixed_SW([ValueSource("_F_Cvt_Z_SU_Gp_Fixed_SW_")] uint opcodes,
                                           [Values(0u, 31u)] uint rd,
                                           [Values(1u)]      uint rn,
                                           [ValueSource("_1S_F_WX_")] ulong a,
                                           [Values(1u, 32u)] [Random(2u, 31u, RndCntFBits)] uint fBits)
        {
            uint scale = (64u - fBits) & 0x3Fu;

            opcodes |= ((rn & 31) << 5) | ((rd & 31) << 0);
            opcodes |= (scale << 10);

            ulong x0 = (ulong)TestContext.CurrentContext.Random.NextUInt() << 32;
            uint w31 = TestContext.CurrentContext.Random.NextUInt();
            V128 v1 = MakeVectorE0(a);

            SingleOpcode(opcodes, x0: x0, x31: w31, v1: v1);

            CompareAgainstUnicorn();
        }

        [Test, Pairwise] [Explicit]
        public void F_Cvt_Z_SU_Gp_Fixed_SX([ValueSource("_F_Cvt_Z_SU_Gp_Fixed_SX_")] uint opcodes,
                                           [Values(0u, 31u)] uint rd,
                                           [Values(1u)]      uint rn,
                                           [ValueSource("_1S_F_WX_")] ulong a,
                                           [Values(1u, 64u)] [Random(2u, 63u, RndCntFBits)] uint fBits)
        {
            uint scale = (64u - fBits) & 0x3Fu;

            opcodes |= ((rn & 31) << 5) | ((rd & 31) << 0);
            opcodes |= (scale << 10);

            ulong x31 = TestContext.CurrentContext.Random.NextULong();
            V128 v1 = MakeVectorE0(a);

            SingleOpcode(opcodes, x31: x31, v1: v1);

            CompareAgainstUnicorn();
        }

        [Test, Pairwise] [Explicit]
        public void F_Cvt_Z_SU_Gp_Fixed_DW([ValueSource("_F_Cvt_Z_SU_Gp_Fixed_DW_")] uint opcodes,
                                           [Values(0u, 31u)] uint rd,
                                           [Values(1u)]      uint rn,
                                           [ValueSource("_1D_F_WX_")] ulong a,
                                           [Values(1u, 32u)] [Random(2u, 31u, RndCntFBits)] uint fBits)
        {
            uint scale = (64u - fBits) & 0x3Fu;

            opcodes |= ((rn & 31) << 5) | ((rd & 31) << 0);
            opcodes |= (scale << 10);

            ulong x0 = (ulong)TestContext.CurrentContext.Random.NextUInt() << 32;
            uint w31 = TestContext.CurrentContext.Random.NextUInt();
            V128 v1 = MakeVectorE0(a);

            SingleOpcode(opcodes, x0: x0, x31: w31, v1: v1);

            CompareAgainstUnicorn();
        }

        [Test, Pairwise] [Explicit]
        public void F_Cvt_Z_SU_Gp_Fixed_DX([ValueSource("_F_Cvt_Z_SU_Gp_Fixed_DX_")] uint opcodes,
                                           [Values(0u, 31u)] uint rd,
                                           [Values(1u)]      uint rn,
                                           [ValueSource("_1D_F_WX_")] ulong a,
                                           [Values(1u, 64u)] [Random(2u, 63u, RndCntFBits)] uint fBits)
        {
            uint scale = (64u - fBits) & 0x3Fu;

            opcodes |= ((rn & 31) << 5) | ((rd & 31) << 0);
            opcodes |= (scale << 10);

            ulong x31 = TestContext.CurrentContext.Random.NextULong();
            V128 v1 = MakeVectorE0(a);

            SingleOpcode(opcodes, x31: x31, v1: v1);

            CompareAgainstUnicorn();
        }

        [Test, Pairwise] [Explicit]
        public void SU_Cvt_F_Gp_WS([ValueSource("_SU_Cvt_F_Gp_WS_")] uint opcodes,
                                   [Values(0u)]      uint rd,
                                   [Values(1u, 31u)] uint rn,
                                   [ValueSource("_W_")] [Random(RndCnt)] uint wn)
        {
            opcodes |= ((rn & 31) << 5) | ((rd & 31) << 0);

            uint  w31 = TestContext.CurrentContext.Random.NextUInt();
            ulong z   = TestContext.CurrentContext.Random.NextULong();
            V128 v0 = MakeVectorE0E1(z, z);

            SingleOpcode(opcodes, x1: wn, x31: w31, v0: v0);

            CompareAgainstUnicorn();
        }

        [Test, Pairwise] [Explicit]
        public void SU_Cvt_F_Gp_WD([ValueSource("_SU_Cvt_F_Gp_WD_")] uint opcodes,
                                   [Values(0u)]      uint rd,
                                   [Values(1u, 31u)] uint rn,
                                   [ValueSource("_W_")] [Random(RndCnt)] uint wn)
        {
            opcodes |= ((rn & 31) << 5) | ((rd & 31) << 0);

            uint  w31 = TestContext.CurrentContext.Random.NextUInt();
            ulong z   = TestContext.CurrentContext.Random.NextULong();
            V128 v0 = MakeVectorE1(z);

            SingleOpcode(opcodes, x1: wn, x31: w31, v0: v0);

            CompareAgainstUnicorn();
        }

        [Test, Pairwise] [Explicit]
        public void SU_Cvt_F_Gp_XS([ValueSource("_SU_Cvt_F_Gp_XS_")] uint opcodes,
                                   [Values(0u)]      uint rd,
                                   [Values(1u, 31u)] uint rn,
                                   [ValueSource("_X_")] [Random(RndCnt)] ulong xn)
        {
            opcodes |= ((rn & 31) << 5) | ((rd & 31) << 0);

            ulong x31 = TestContext.CurrentContext.Random.NextULong();
            ulong z   = TestContext.CurrentContext.Random.NextULong();
            V128 v0 = MakeVectorE0E1(z, z);

            SingleOpcode(opcodes, x1: xn, x31: x31, v0: v0);

            CompareAgainstUnicorn();
        }

        [Test, Pairwise] [Explicit]
        public void SU_Cvt_F_Gp_XD([ValueSource("_SU_Cvt_F_Gp_XD_")] uint opcodes,
                                   [Values(0u)]      uint rd,
                                   [Values(1u, 31u)] uint rn,
                                   [ValueSource("_X_")] [Random(RndCnt)] ulong xn)
        {
            opcodes |= ((rn & 31) << 5) | ((rd & 31) << 0);

            ulong x31 = TestContext.CurrentContext.Random.NextULong();
            ulong z   = TestContext.CurrentContext.Random.NextULong();
            V128 v0 = MakeVectorE1(z);

            SingleOpcode(opcodes, x1: xn, x31: x31, v0: v0);

            CompareAgainstUnicorn(fpTolerances: FpTolerances.UpToOneUlpsD); // unsigned
        }

        [Test, Pairwise] [Explicit]
        public void SU_Cvt_F_Gp_Fixed_WS([ValueSource("_SU_Cvt_F_Gp_Fixed_WS_")] uint opcodes,
                                         [Values(0u)]      uint rd,
                                         [Values(1u, 31u)] uint rn,
                                         [ValueSource("_W_")] [Random(RndCnt)] uint wn,
                                         [Values(1u, 32u)] [Random(2u, 31u, RndCntFBits)] uint fBits)
        {
            uint scale = (64u - fBits) & 0x3Fu;

            opcodes |= ((rn & 31) << 5) | ((rd & 31) << 0);
            opcodes |= (scale << 10);

            uint  w31 = TestContext.CurrentContext.Random.NextUInt();
            ulong z   = TestContext.CurrentContext.Random.NextULong();
            V128 v0 = MakeVectorE0E1(z, z);

            SingleOpcode(opcodes, x1: wn, x31: w31, v0: v0);

            CompareAgainstUnicorn();
        }

        [Test, Pairwise] [Explicit]
        public void SU_Cvt_F_Gp_Fixed_WD([ValueSource("_SU_Cvt_F_Gp_Fixed_WD_")] uint opcodes,
                                         [Values(0u)]      uint rd,
                                         [Values(1u, 31u)] uint rn,
                                         [ValueSource("_W_")] [Random(RndCnt)] uint wn,
                                         [Values(1u, 32u)] [Random(2u, 31u, RndCntFBits)] uint fBits)
        {
            uint scale = (64u - fBits) & 0x3Fu;

            opcodes |= ((rn & 31) << 5) | ((rd & 31) << 0);
            opcodes |= (scale << 10);

            uint  w31 = TestContext.CurrentContext.Random.NextUInt();
            ulong z   = TestContext.CurrentContext.Random.NextULong();
            V128 v0 = MakeVectorE1(z);

            SingleOpcode(opcodes, x1: wn, x31: w31, v0: v0);

            CompareAgainstUnicorn();
        }

        [Test, Pairwise] [Explicit]
        public void SU_Cvt_F_Gp_Fixed_XS([ValueSource("_SU_Cvt_F_Gp_Fixed_XS_")] uint opcodes,
                                         [Values(0u)]      uint rd,
                                         [Values(1u, 31u)] uint rn,
                                         [ValueSource("_X_")] [Random(RndCnt)] ulong xn,
                                         [Values(1u, 64u)] [Random(2u, 63u, RndCntFBits)] uint fBits)
        {
            uint scale = (64u - fBits) & 0x3Fu;

            opcodes |= ((rn & 31) << 5) | ((rd & 31) << 0);
            opcodes |= (scale << 10);

            ulong x31 = TestContext.CurrentContext.Random.NextULong();
            ulong z   = TestContext.CurrentContext.Random.NextULong();
            V128 v0 = MakeVectorE0E1(z, z);

            SingleOpcode(opcodes, x1: xn, x31: x31, v0: v0);

            CompareAgainstUnicorn();
        }

        [Test, Pairwise] [Explicit]
        public void SU_Cvt_F_Gp_Fixed_XD([ValueSource("_SU_Cvt_F_Gp_Fixed_XD_")] uint opcodes,
                                         [Values(0u)]      uint rd,
                                         [Values(1u, 31u)] uint rn,
                                         [ValueSource("_X_")] [Random(RndCnt)] ulong xn,
                                         [Values(1u, 64u)] [Random(2u, 63u, RndCntFBits)] uint fBits)
        {
            uint scale = (64u - fBits) & 0x3Fu;

            opcodes |= ((rn & 31) << 5) | ((rd & 31) << 0);
            opcodes |= (scale << 10);

            ulong x31 = TestContext.CurrentContext.Random.NextULong();
            ulong z   = TestContext.CurrentContext.Random.NextULong();
            V128 v0 = MakeVectorE1(z);

            SingleOpcode(opcodes, x1: xn, x31: x31, v0: v0);

            CompareAgainstUnicorn(fpTolerances: FpTolerances.UpToOneUlpsD); // unsigned
        }
#endif
    }
}