1 files changed, 95 insertions, 0 deletions
diff --git a/src/Ryujinx.Tests/Cpu/CpuTestAluBinary32.cs b/src/Ryujinx.Tests/Cpu/CpuTestAluBinary32.cs
new file mode 100644
index 00000000..d92a9522
--- /dev/null
+++ b/src/Ryujinx.Tests/Cpu/CpuTestAluBinary32.cs
@@ -0,0 +1,95 @@
+#define AluBinary32
+
+using ARMeilleure.State;
+using NUnit.Framework;
+
+namespace Ryujinx.Tests.Cpu
+{
+
+    [Category("AluBinary32")]
+    public sealed class CpuTestAluBinary32 : CpuTest32
+    {
+#if AluBinary32
+        public struct CrcTest32
+        {
+            public uint Crc;
+            public uint Value;
+            public bool C;
+
+            public uint[] Results; // One result for each CRC variant (8, 16, 32)
+
+            public CrcTest32(uint crc, uint value, bool c, params uint[] results)
+            {
+                Crc = crc;
+                Value = value;
+                C = c;
+                Results = results;
+            }
+        }
+
+#region "ValueSource (CRC32/CRC32C)"
+        private static CrcTest32[] _CRC32_Test_Values_()
+        {
+            // Created with http://www.sunshine2k.de/coding/javascript/crc/crc_js.html, with:
+            //  - non-reflected polynomials
+            //  - input reflected, result reflected
+            //  - bytes in order of increasing significance
+            //  - xor 0
+
+            return new[]
+            {
+                new CrcTest32(0x00000000u, 0x00_00_00_00u, false, 0x00000000, 0x00000000, 0x00000000),
+                new CrcTest32(0x00000000u, 0x7f_ff_ff_ffu, false, 0x2d02ef8d, 0xbe2612ff, 0x3303a3c3),
+                new CrcTest32(0x00000000u, 0x80_00_00_00u, false, 0x00000000, 0x00000000, 0xedb88320),
+                new CrcTest32(0x00000000u, 0xff_ff_ff_ffu, false, 0x2d02ef8d, 0xbe2612ff, 0xdebb20e3),
+                new CrcTest32(0x00000000u, 0x9d_cb_12_f0u, false, 0xbdbdf21c, 0xe70590f5, 0x3f7480c5),
+
+                new CrcTest32(0xffffffffu, 0x00_00_00_00u, false, 0x2dfd1072, 0xbe26ed00, 0xdebb20e3),
+                new CrcTest32(0xffffffffu, 0x7f_ff_ff_ffu, false, 0x00ffffff, 0x0000ffff, 0xedb88320),
+                new CrcTest32(0xffffffffu, 0x80_00_00_00u, false, 0x2dfd1072, 0xbe26ed00, 0x3303a3c3),
+                new CrcTest32(0xffffffffu, 0xff_ff_ff_ffu, false, 0x00ffffff, 0x0000ffff, 0x00000000),
+                new CrcTest32(0xffffffffu, 0x9d_cb_12_f0u, false, 0x9040e26e, 0x59237df5, 0xe1cfa026),
+
+                new CrcTest32(0x00000000u, 0x00_00_00_00u, true, 0x00000000, 0x00000000, 0x00000000),
+                new CrcTest32(0x00000000u, 0x7f_ff_ff_ffu, true, 0xad7d5351, 0x0e9e77d2, 0x356e8f40),
+                new CrcTest32(0x00000000u, 0x80_00_00_00u, true, 0x00000000, 0x00000000, 0x82f63b78),
+                new CrcTest32(0x00000000u, 0xff_ff_ff_ffu, true, 0xad7d5351, 0x0e9e77d2, 0xb798b438),
+                new CrcTest32(0x00000000u, 0x9d_cb_12_f0u, true, 0xf36e6f75, 0xb5ff99e6, 0x782dfbf1),
+
+                new CrcTest32(0xffffffffu, 0x00_00_00_00u, true, 0xad82acae, 0x0e9e882d, 0xb798b438),
+                new CrcTest32(0xffffffffu, 0x7f_ff_ff_ffu, true, 0x00ffffff, 0x0000ffff, 0x82f63b78),
+                new CrcTest32(0xffffffffu, 0x80_00_00_00u, true, 0xad82acae, 0x0e9e882d, 0x356e8f40),
+                new CrcTest32(0xffffffffu, 0xff_ff_ff_ffu, true, 0x00ffffff, 0x0000ffff, 0x00000000),
+                new CrcTest32(0xffffffffu, 0x9d_cb_12_f0u, true, 0x5eecc3db, 0xbb6111cb, 0xcfb54fc9)
+            };
+        }
+#endregion
+
+        [Test, Combinatorial]
+        public void Crc32_Crc32c_b_h_w([Values(0u)] uint rd,
+                                       [Values(1u)] uint rn,
+                                       [Values(2u)] uint rm,
+                                       [Range(0u, 2u)] uint size,
+                                       [ValueSource(nameof(_CRC32_Test_Values_))] CrcTest32 test)
+        {
+            // Unicorn does not yet support 32bit crc instructions, so test against a known table of results/values.
+
+            uint opcode = 0xe1000040; // CRC32B R0, R0, R0
+            opcode |= ((rm & 15) << 0) | ((rd & 15) << 12) | ((rn & 15) << 16);
+            opcode |= size << 21;
+            if (test.C)
+            {
+                opcode |= 1 << 9;
+            }
+
+            uint sp = TestContext.CurrentContext.Random.NextUInt();
+
+            SingleOpcode(opcode, r1: test.Crc, r2: test.Value, sp: sp, runUnicorn: false);
+
+            ExecutionContext context = GetContext();
+            ulong result = context.GetX((int)rd);
+            Assert.That(result == test.Results[size]);
+        }
+#endif
+    }
+}