CPU: A32: Fix Vabs_V & Vneg_V (S8, S16, S32 & F32); add Tests. (#1394)

* Fix Vabs_V & Vneg_V (S8, S16, S32 & F32); add Tests.

* Update Ptc.cs

1 files changed, 222 insertions, 0 deletions

diff --git a/Ryujinx.Tests/Cpu/CpuTestSimd32.cs b/Ryujinx.Tests/Cpu/CpuTestSimd32.cs
new file mode 100644
index 00000000..45c42ddf
--- /dev/null
+++ b/Ryujinx.Tests/Cpu/CpuTestSimd32.cs
@@ -0,0 +1,222 @@
+#define Simd32
+
+using ARMeilleure.State;
+using NUnit.Framework;
+using System.Collections.Generic;
+
+namespace Ryujinx.Tests.Cpu
+{
+    [Category("Simd32")]
+    public sealed class CpuTestSimd32 : CpuTest32
+    {
+#if Simd32
+
+#region "ValueSource (Opcodes)"
+        private static uint[] _Vabs_Vneg_V_()
+        {
+            return new uint[]
+            {
+                0xf3b10300u, // VABS.S8 D0, D0
+                0xf3b10380u  // VNEG.S8 D0, D0
+            };
+        }
+#endregion
+
+#region "ValueSource (Types)"
+        private static ulong[] _8B4H2S_()
+        {
+            return new ulong[] { 0x0000000000000000ul, 0x7F7F7F7F7F7F7F7Ful,
+                                 0x8080808080808080ul, 0x7FFF7FFF7FFF7FFFul,
+                                 0x8000800080008000ul, 0x7FFFFFFF7FFFFFFFul,
+                                 0x8000000080000000ul, 0xFFFFFFFFFFFFFFFFul };
+        }
+
+        private static IEnumerable<ulong> _1S_F_()
+        {
+            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 = GenNormalS();
+                ulong rnd2 = GenSubnormalS();
+
+                yield return (grbg << 32) | rnd1;
+                yield return (grbg << 32) | rnd2;
+            }
+        }
+
+        private static IEnumerable<ulong> _2S_F_()
+        {
+            yield return 0xFF7FFFFFFF7FFFFFul; // -Max Normal    (float.MinValue)
+            yield return 0x8080000080800000ul; // -Min Normal
+            yield return 0x807FFFFF807FFFFFul; // -Max Subnormal
+            yield return 0x8000000180000001ul; // -Min Subnormal (-float.Epsilon)
+            yield return 0x7F7FFFFF7F7FFFFFul; // +Max Normal    (float.MaxValue)
+            yield return 0x0080000000800000ul; // +Min Normal
+            yield return 0x007FFFFF007FFFFFul; // +Max Subnormal
+            yield return 0x0000000100000001ul; // +Min Subnormal (float.Epsilon)
+
+            if (!NoZeros)
+            {
+                yield return 0x8000000080000000ul; // -Zero
+                yield return 0x0000000000000000ul; // +Zero
+            }
+
+            if (!NoInfs)
+            {
+                yield return 0xFF800000FF800000ul; // -Infinity
+                yield return 0x7F8000007F800000ul; // +Infinity
+            }
+
+            if (!NoNaNs)
+            {
+                yield return 0xFFC00000FFC00000ul; // -QNaN (all zeros payload) (float.NaN)
+                yield return 0xFFBFFFFFFFBFFFFFul; // -SNaN (all ones  payload)
+                yield return 0x7FC000007FC00000ul; // +QNaN (all zeros payload) (-float.NaN) (DefaultNaN)
+                yield return 0x7FBFFFFF7FBFFFFFul; // +SNaN (all ones  payload)
+            }
+
+            for (int cnt = 1; cnt <= RndCnt; cnt++)
+            {
+                ulong rnd1 = GenNormalS();
+                ulong rnd2 = GenSubnormalS();
+
+                yield return (rnd1 << 32) | rnd1;
+                yield return (rnd2 << 32) | rnd2;
+            }
+        }
+
+        private static IEnumerable<ulong> _1D_F_()
+        {
+            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 = GenNormalD();
+                ulong rnd2 = GenSubnormalD();
+
+                yield return rnd1;
+                yield return rnd2;
+            }
+        }
+#endregion
+
+        private const int RndCnt = 2;
+
+        private static readonly bool NoZeros = false;
+        private static readonly bool NoInfs  = false;
+        private static readonly bool NoNaNs  = false;
+
+        [Test, Pairwise]
+        public void Vabs_Vneg_V_S8_S16_S32([ValueSource("_Vabs_Vneg_V_")] uint opcode,
+                                           [Range(0u, 3u)] uint rd,
+                                           [Range(0u, 3u)] uint rm,
+                                           [ValueSource("_8B4H2S_")] [Random(RndCnt)] ulong z,
+                                           [ValueSource("_8B4H2S_")] [Random(RndCnt)] ulong b,
+                                           [Values(0u, 1u, 2u)] uint size, // <S8, S16, S32>
+                                           [Values] bool q)
+        {
+            const bool f = false;
+
+            Vabs_Vneg_V(opcode, rd, rm, z, b, size, f, q);
+        }
+
+        [Test, Pairwise]
+        public void Vabs_Vneg_V_F32([ValueSource("_Vabs_Vneg_V_")] uint opcode,
+                                    [Range(0u, 3u)] uint rd,
+                                    [Range(0u, 3u)] uint rm,
+                                    [ValueSource("_2S_F_")] ulong z,
+                                    [ValueSource("_2S_F_")] ulong b,
+                                    [Values] bool q)
+        {
+            const uint size = 0b10; // <F32>
+            const bool f = true;
+
+            Vabs_Vneg_V(opcode, rd, rm, z, b, size, f, q);
+        }
+
+        private void Vabs_Vneg_V(uint opcode, uint rd, uint rm, ulong z, ulong b, uint size, bool f, bool q)
+        {
+            if (f)
+            {
+                opcode |= 1 << 10;
+            }
+
+            if (q)
+            {
+                opcode |= 1 << 6;
+
+                rd >>= 1; rd <<= 1;
+                rm >>= 1; rm <<= 1;
+            }
+
+            opcode |= ((rd & 0xf) << 12) | ((rd & 0x10) << 18);
+            opcode |= ((rm & 0xf) << 0)  | ((rm & 0x10) << 1);
+
+            opcode |= (size & 0x3) << 18;
+
+            V128 v0 = MakeVectorE0E1(z, ~z);
+            V128 v1 = MakeVectorE0E1(b, ~b);
+
+            SingleOpcode(opcode, v0: v0, v1: v1);
+
+            CompareAgainstUnicorn();
+        }
+#endif
+    }
+}