diff options
Diffstat (limited to 'Ryujinx.Graphics.Shader/Instructions/InstEmitAluHelper.cs')
| -rw-r--r-- | Ryujinx.Graphics.Shader/Instructions/InstEmitAluHelper.cs | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/Ryujinx.Graphics.Shader/Instructions/InstEmitAluHelper.cs b/Ryujinx.Graphics.Shader/Instructions/InstEmitAluHelper.cs deleted file mode 100644 index 879075ba..00000000 --- a/Ryujinx.Graphics.Shader/Instructions/InstEmitAluHelper.cs +++ /dev/null @@ -1,160 +0,0 @@ -using Ryujinx.Graphics.Shader.Decoders; -using Ryujinx.Graphics.Shader.IntermediateRepresentation; -using Ryujinx.Graphics.Shader.Translation; -using System; - -using static Ryujinx.Graphics.Shader.Instructions.InstEmitHelper; -using static Ryujinx.Graphics.Shader.IntermediateRepresentation.OperandHelper; - -namespace Ryujinx.Graphics.Shader.Instructions -{ - static class InstEmitAluHelper - { - public static long GetIntMin(IDstFmt type) - { - return type switch - { - IDstFmt.U16 => ushort.MinValue, - IDstFmt.S16 => short.MinValue, - IDstFmt.U32 => uint.MinValue, - IDstFmt.S32 => int.MinValue, - _ => throw new ArgumentException($"The type \"{type}\" is not a supported integer type.") - }; - } - - public static long GetIntMax(IDstFmt type) - { - return type switch - { - IDstFmt.U16 => ushort.MaxValue, - IDstFmt.S16 => short.MaxValue, - IDstFmt.U32 => uint.MaxValue, - IDstFmt.S32 => int.MaxValue, - _ => throw new ArgumentException($"The type \"{type}\" is not a supported integer type.") - }; - } - - public static long GetIntMin(ISrcDstFmt type) - { - return type switch - { - ISrcDstFmt.U8 => byte.MinValue, - ISrcDstFmt.S8 => sbyte.MinValue, - ISrcDstFmt.U16 => ushort.MinValue, - ISrcDstFmt.S16 => short.MinValue, - ISrcDstFmt.U32 => uint.MinValue, - ISrcDstFmt.S32 => int.MinValue, - _ => throw new ArgumentException($"The type \"{type}\" is not a supported integer type.") - }; - } - - public static long GetIntMax(ISrcDstFmt type) - { - return type switch - { - ISrcDstFmt.U8 => byte.MaxValue, - ISrcDstFmt.S8 => sbyte.MaxValue, - ISrcDstFmt.U16 => ushort.MaxValue, - ISrcDstFmt.S16 => short.MaxValue, - ISrcDstFmt.U32 => uint.MaxValue, - ISrcDstFmt.S32 => int.MaxValue, - _ => throw new ArgumentException($"The type \"{type}\" is not a supported integer type.") - }; - } - - public static Operand GetPredLogicalOp(EmitterContext context, BoolOp logicOp, Operand input, Operand pred) - { - return logicOp switch - { - BoolOp.And => context.BitwiseAnd(input, pred), - BoolOp.Or => context.BitwiseOr(input, pred), - BoolOp.Xor => context.BitwiseExclusiveOr(input, pred), - _ => input - }; - } - - public static Operand Extend(EmitterContext context, Operand src, VectorSelect type) - { - return type switch - { - VectorSelect.U8B0 => ZeroExtendTo32(context, context.ShiftRightU32(src, Const(0)), 8), - VectorSelect.U8B1 => ZeroExtendTo32(context, context.ShiftRightU32(src, Const(8)), 8), - VectorSelect.U8B2 => ZeroExtendTo32(context, context.ShiftRightU32(src, Const(16)), 8), - VectorSelect.U8B3 => ZeroExtendTo32(context, context.ShiftRightU32(src, Const(24)), 8), - VectorSelect.U16H0 => ZeroExtendTo32(context, context.ShiftRightU32(src, Const(0)), 16), - VectorSelect.U16H1 => ZeroExtendTo32(context, context.ShiftRightU32(src, Const(16)), 16), - VectorSelect.S8B0 => SignExtendTo32(context, context.ShiftRightU32(src, Const(0)), 8), - VectorSelect.S8B1 => SignExtendTo32(context, context.ShiftRightU32(src, Const(8)), 8), - VectorSelect.S8B2 => SignExtendTo32(context, context.ShiftRightU32(src, Const(16)), 8), - VectorSelect.S8B3 => SignExtendTo32(context, context.ShiftRightU32(src, Const(24)), 8), - VectorSelect.S16H0 => SignExtendTo32(context, context.ShiftRightU32(src, Const(0)), 16), - VectorSelect.S16H1 => SignExtendTo32(context, context.ShiftRightU32(src, Const(16)), 16), - _ => src - }; - } - - public static void SetZnFlags(EmitterContext context, Operand dest, bool setCC, bool extended = false) - { - if (!setCC) - { - return; - } - - if (extended) - { - // When the operation is extended, it means we are doing - // the operation on a long word with any number of bits, - // so we need to AND the zero flag from result with the - // previous result when extended is specified, to ensure - // we have ZF set only if all words are zero, and not just - // the last one. - Operand oldZF = GetZF(); - - Operand res = context.BitwiseAnd(context.ICompareEqual(dest, Const(0)), oldZF); - - context.Copy(GetZF(), res); - } - else - { - context.Copy(GetZF(), context.ICompareEqual(dest, Const(0))); - } - - context.Copy(GetNF(), context.ICompareLess(dest, Const(0))); - } - - public static void SetFPZnFlags(EmitterContext context, Operand dest, bool setCC, Instruction fpType = Instruction.FP32) - { - if (setCC) - { - Operand zero = ConstF(0); - - if (fpType == Instruction.FP64) - { - zero = context.FP32ConvertToFP64(zero); - } - - context.Copy(GetZF(), context.FPCompareEqual(dest, zero, fpType)); - context.Copy(GetNF(), context.FPCompareLess (dest, zero, fpType)); - } - } - - public static (Operand, Operand) NegateLong(EmitterContext context, Operand low, Operand high) - { - low = context.BitwiseNot(low); - high = context.BitwiseNot(high); - low = AddWithCarry(context, low, Const(1), out Operand carryOut); - high = context.IAdd(high, carryOut); - return (low, high); - } - - public static Operand AddWithCarry(EmitterContext context, Operand lhs, Operand rhs, out Operand carryOut) - { - Operand result = context.IAdd(lhs, rhs); - - // C = Rd < Rn - carryOut = context.INegate(context.ICompareLessUnsigned(result, lhs)); - - return result; - } - } -}
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