feature: .NET 10 (ryubing/ryujinx!214)

See merge request ryubing/ryujinx!214
2026-05-09 06:45:46 +00:00 · 2025-11-11 12:55:36 -06:00
parent 49c70efdd5
commit 6b814fb973
171 changed files with 6011 additions and 6335 deletions
--- a/src/ARMeilleure/Instructions/SoftFloat/SoftFloat32_16.cs
+++ b/src/ARMeilleure/Instructions/SoftFloat/SoftFloat32_16.cs
@@ -0,0 +1,126 @@
+using ARMeilleure.State;
+using System;
+using System.Runtime.InteropServices;
+
+namespace ARMeilleure.Instructions
+{
+    static class SoftFloat32_16
+    {
+        [UnmanagedCallersOnly]
+        public static ushort FPConvert(float value)
+        {
+            ExecutionContext context = NativeInterface.GetContext();
+
+            double real = value.FPUnpackCv(out FPType type, out bool sign, out uint valueBits, context);
+
+            bool altHp = (context.Fpcr & FPCR.Ahp) != 0;
+
+            ushort resultBits;
+
+            if (type is FPType.SNaN or FPType.QNaN)
+            {
+                if (altHp)
+                {
+                    resultBits = SoftFloat16.FPZero(sign);
+                }
+                else if ((context.Fpcr & FPCR.Dn) != 0)
+                {
+                    resultBits = SoftFloat16.FPDefaultNaN();
+                }
+                else
+                {
+                    resultBits = FPConvertNaN(valueBits);
+                }
+
+                if (type == FPType.SNaN || altHp)
+                {
+                    SoftFloat.FPProcessException(FPException.InvalidOp, context);
+                }
+            }
+            else if (type == FPType.Infinity)
+            {
+                if (altHp)
+                {
+                    resultBits = (ushort)((sign ? 1u : 0u) << 15 | 0x7FFFu);
+
+                    SoftFloat.FPProcessException(FPException.InvalidOp, context);
+                }
+                else
+                {
+                    resultBits = SoftFloat16.FPInfinity(sign);
+                }
+            }
+            else if (type == FPType.Zero)
+            {
+                resultBits = SoftFloat16.FPZero(sign);
+            }
+            else
+            {
+                resultBits = SoftFloat16.FPRoundCv(real, context);
+            }
+
+            return resultBits;
+        }
+
+        private static double FPUnpackCv(
+            this float value,
+            out FPType type,
+            out bool sign,
+            out uint valueBits,
+            ExecutionContext context)
+        {
+            valueBits = (uint)BitConverter.SingleToInt32Bits(value);
+
+            sign = (~valueBits & 0x80000000u) == 0u;
+
+            uint exp32 = (valueBits & 0x7F800000u) >> 23;
+            uint frac32 = valueBits & 0x007FFFFFu;
+
+            double real;
+
+            if (exp32 == 0u)
+            {
+                if (frac32 == 0u || (context.Fpcr & FPCR.Fz) != 0)
+                {
+                    type = FPType.Zero;
+                    real = 0d;
+
+                    if (frac32 != 0u)
+                    {
+                        SoftFloat.FPProcessException(FPException.InputDenorm, context);
+                    }
+                }
+                else
+                {
+                    type = FPType.Nonzero; // Subnormal.
+                    real = Math.Pow(2d, -126) * ((double)frac32 * Math.Pow(2d, -23));
+                }
+            }
+            else if (exp32 == 0xFFu)
+            {
+                if (frac32 == 0u)
+                {
+                    type = FPType.Infinity;
+                    real = Math.Pow(2d, 1000);
+                }
+                else
+                {
+                    type = (~frac32 & 0x00400000u) == 0u ? FPType.QNaN : FPType.SNaN;
+                    real = 0d;
+                }
+            }
+            else
+            {
+                type = FPType.Nonzero; // Normal.
+                real = Math.Pow(2d, (int)exp32 - 127) * (1d + (double)frac32 * Math.Pow(2d, -23));
+            }
+
+            return sign ? -real : real;
+        }
+
+        private static ushort FPConvertNaN(uint valueBits)
+        {
+            return (ushort)((valueBits & 0x80000000u) >> 16 | 0x7E00u | (valueBits & 0x003FE000u) >> 13);
+        }
+    }
+}