diff options
Diffstat (limited to 'ARMeilleure/Instructions/InstEmitSimdHelper.cs')
| -rw-r--r-- | ARMeilleure/Instructions/InstEmitSimdHelper.cs | 92 |
1 files changed, 71 insertions, 21 deletions
diff --git a/ARMeilleure/Instructions/InstEmitSimdHelper.cs b/ARMeilleure/Instructions/InstEmitSimdHelper.cs index 80dfc688..49c9e687 100644 --- a/ARMeilleure/Instructions/InstEmitSimdHelper.cs +++ b/ARMeilleure/Instructions/InstEmitSimdHelper.cs @@ -361,6 +361,54 @@ namespace ARMeilleure.Instructions return context.Call(info, n, Const((int)roundMode)); } + public static Operand EmitGetRoundingMode(ArmEmitterContext context) + { + Operand rMode = context.ShiftLeft(GetFpFlag(FPState.RMode1Flag), Const(1)); + rMode = context.BitwiseOr(rMode, GetFpFlag(FPState.RMode0Flag)); + + return rMode; + } + + public static Operand EmitRoundByRMode(ArmEmitterContext context, Operand op) + { + Debug.Assert(op.Type == OperandType.FP32 || op.Type == OperandType.FP64); + + Operand lbl1 = Label(); + Operand lbl2 = Label(); + Operand lbl3 = Label(); + Operand lblEnd = Label(); + + Operand rN = Const((int)FPRoundingMode.ToNearest); + Operand rP = Const((int)FPRoundingMode.TowardsPlusInfinity); + Operand rM = Const((int)FPRoundingMode.TowardsMinusInfinity); + + Operand res = context.AllocateLocal(op.Type); + + Operand rMode = EmitGetRoundingMode(context); + + context.BranchIf(lbl1, rMode, rN, Comparison.NotEqual); + context.Copy(res, EmitRoundMathCall(context, MidpointRounding.ToEven, op)); + context.Branch(lblEnd); + + context.MarkLabel(lbl1); + context.BranchIf(lbl2, rMode, rP, Comparison.NotEqual); + context.Copy(res, EmitUnaryMathCall(context, nameof(Math.Ceiling), op)); + context.Branch(lblEnd); + + context.MarkLabel(lbl2); + context.BranchIf(lbl3, rMode, rM, Comparison.NotEqual); + context.Copy(res, EmitUnaryMathCall(context, nameof(Math.Floor), op)); + context.Branch(lblEnd); + + context.MarkLabel(lbl3); + context.Copy(res, EmitUnaryMathCall(context, nameof(Math.Truncate), op)); + context.Branch(lblEnd); + + context.MarkLabel(lblEnd); + + return res; + } + public static Operand EmitSoftFloatCall(ArmEmitterContext context, string name, params Operand[] callArgs) { IOpCodeSimd op = (IOpCodeSimd)context.CurrOp; @@ -369,7 +417,11 @@ namespace ARMeilleure.Instructions ? typeof(SoftFloat32).GetMethod(name) : typeof(SoftFloat64).GetMethod(name); - return context.Call(info, callArgs); + context.StoreToContext(); + Operand res = context.Call(info, callArgs); + context.LoadFromContext(); + + return res; } public static void EmitScalarBinaryOpByElemF(ArmEmitterContext context, Func2I emit) @@ -1269,7 +1321,7 @@ namespace ARMeilleure.Instructions public static void EmitSseOrAvxEnterFtzAndDazModesOpF(ArmEmitterContext context, out Operand isTrue) { - isTrue = context.Call(typeof(NativeInterface).GetMethod(nameof(NativeInterface.GetFpcrFz))); + isTrue = GetFpFlag(FPState.FzFlag); Operand lblTrue = Label(); context.BranchIfFalse(lblTrue, isTrue); @@ -1281,9 +1333,7 @@ namespace ARMeilleure.Instructions public static void EmitSseOrAvxExitFtzAndDazModesOpF(ArmEmitterContext context, Operand isTrue = default) { - isTrue = isTrue == default - ? context.Call(typeof(NativeInterface).GetMethod(nameof(NativeInterface.GetFpcrFz))) - : isTrue; + isTrue = isTrue == default ? GetFpFlag(FPState.FzFlag) : isTrue; Operand lblTrue = Label(); context.BranchIfFalse(lblTrue, isTrue); @@ -1552,13 +1602,13 @@ namespace ARMeilleure.Instructions context.BranchIf(lbl1, op, zeroL, Comparison.LessOrEqual); context.Copy(res, maxT); - context.Call(typeof(NativeInterface).GetMethod(nameof(NativeInterface.SetFpsrQc))); + SetFpFlag(context, FPState.QcFlag, Const(1)); context.Branch(lblEnd); context.MarkLabel(lbl1); context.BranchIf(lblEnd, op, zeroL, Comparison.GreaterOrEqual); context.Copy(res, minT); - context.Call(typeof(NativeInterface).GetMethod(nameof(NativeInterface.SetFpsrQc))); + SetFpFlag(context, FPState.QcFlag, Const(1)); context.Branch(lblEnd); context.MarkLabel(lblEnd); @@ -1583,7 +1633,7 @@ namespace ARMeilleure.Instructions context.BranchIf(lblEnd, op, zeroUL, Comparison.LessOrEqualUI); context.Copy(res, maxT); - context.Call(typeof(NativeInterface).GetMethod(nameof(NativeInterface.SetFpsrQc))); + SetFpFlag(context, FPState.QcFlag, Const(1)); context.Branch(lblEnd); context.MarkLabel(lblEnd); @@ -1610,13 +1660,13 @@ namespace ARMeilleure.Instructions context.BranchIf(lbl1, op, maxT, Comparison.LessOrEqual); context.Copy(res, maxT); - context.Call(typeof(NativeInterface).GetMethod(nameof(NativeInterface.SetFpsrQc))); + SetFpFlag(context, FPState.QcFlag, Const(1)); context.Branch(lblEnd); context.MarkLabel(lbl1); context.BranchIf(lblEnd, op, minT, Comparison.GreaterOrEqual); context.Copy(res, minT); - context.Call(typeof(NativeInterface).GetMethod(nameof(NativeInterface.SetFpsrQc))); + SetFpFlag(context, FPState.QcFlag, Const(1)); context.Branch(lblEnd); context.MarkLabel(lblEnd); @@ -1641,7 +1691,7 @@ namespace ARMeilleure.Instructions context.BranchIf(lblEnd, op, maxT, Comparison.LessOrEqualUI); context.Copy(res, maxT); - context.Call(typeof(NativeInterface).GetMethod(nameof(NativeInterface.SetFpsrQc))); + SetFpFlag(context, FPState.QcFlag, Const(1)); context.Branch(lblEnd); context.MarkLabel(lblEnd); @@ -1663,7 +1713,7 @@ namespace ARMeilleure.Instructions context.BranchIf(lblEnd, op, minL, Comparison.NotEqual); context.Copy(res, maxL); - context.Call(typeof(NativeInterface).GetMethod(nameof(NativeInterface.SetFpsrQc))); + SetFpFlag(context, FPState.QcFlag, Const(1)); context.Branch(lblEnd); context.MarkLabel(lblEnd); @@ -1691,7 +1741,7 @@ namespace ARMeilleure.Instructions Operand isPositive = context.ICompareGreaterOrEqual(op1, zeroL); context.Copy(res, context.ConditionalSelect(isPositive, maxL, minL)); - context.Call(typeof(NativeInterface).GetMethod(nameof(NativeInterface.SetFpsrQc))); + SetFpFlag(context, FPState.QcFlag, Const(1)); context.Branch(lblEnd); context.MarkLabel(lblEnd); @@ -1713,7 +1763,7 @@ namespace ARMeilleure.Instructions context.BranchIf(lblEnd, add, op1, Comparison.GreaterOrEqualUI); context.Copy(res, maxUL); - context.Call(typeof(NativeInterface).GetMethod(nameof(NativeInterface.SetFpsrQc))); + SetFpFlag(context, FPState.QcFlag, Const(1)); context.Branch(lblEnd); context.MarkLabel(lblEnd); @@ -1741,7 +1791,7 @@ namespace ARMeilleure.Instructions Operand isPositive = context.ICompareGreaterOrEqual(op1, zeroL); context.Copy(res, context.ConditionalSelect(isPositive, maxL, minL)); - context.Call(typeof(NativeInterface).GetMethod(nameof(NativeInterface.SetFpsrQc))); + SetFpFlag(context, FPState.QcFlag, Const(1)); context.Branch(lblEnd); context.MarkLabel(lblEnd); @@ -1763,7 +1813,7 @@ namespace ARMeilleure.Instructions context.BranchIf(lblEnd, op1, op2, Comparison.GreaterOrEqualUI); context.Copy(res, zeroL); - context.Call(typeof(NativeInterface).GetMethod(nameof(NativeInterface.SetFpsrQc))); + SetFpFlag(context, FPState.QcFlag, Const(1)); context.Branch(lblEnd); context.MarkLabel(lblEnd); @@ -1790,19 +1840,19 @@ namespace ARMeilleure.Instructions Operand notOp2AndRes = context.BitwiseAnd(context.BitwiseNot(op2), add); context.BranchIf(lblEnd, notOp2AndRes, zeroL, Comparison.GreaterOrEqual); context.Copy(res, maxL); - context.Call(typeof(NativeInterface).GetMethod(nameof(NativeInterface.SetFpsrQc))); + SetFpFlag(context, FPState.QcFlag, Const(1)); context.Branch(lblEnd); context.MarkLabel(lbl1); context.BranchIf(lbl2, op2, zeroL, Comparison.Less); context.Copy(res, maxL); - context.Call(typeof(NativeInterface).GetMethod(nameof(NativeInterface.SetFpsrQc))); + SetFpFlag(context, FPState.QcFlag, Const(1)); context.Branch(lblEnd); context.MarkLabel(lbl2); context.BranchIf(lblEnd, add, maxL, Comparison.LessOrEqualUI); context.Copy(res, maxL); - context.Call(typeof(NativeInterface).GetMethod(nameof(NativeInterface.SetFpsrQc))); + SetFpFlag(context, FPState.QcFlag, Const(1)); context.Branch(lblEnd); context.MarkLabel(lblEnd); @@ -1828,14 +1878,14 @@ namespace ARMeilleure.Instructions context.BranchIf(lbl1, op1, zeroL, Comparison.Less); context.BranchIf(lblEnd, add, op1, Comparison.GreaterOrEqualUI); context.Copy(res, maxUL); - context.Call(typeof(NativeInterface).GetMethod(nameof(NativeInterface.SetFpsrQc))); + SetFpFlag(context, FPState.QcFlag, Const(1)); context.Branch(lblEnd); context.MarkLabel(lbl1); context.BranchIf(lblEnd, op2, maxL, Comparison.GreaterUI); context.BranchIf(lblEnd, add, zeroL, Comparison.GreaterOrEqual); context.Copy(res, zeroL); - context.Call(typeof(NativeInterface).GetMethod(nameof(NativeInterface.SetFpsrQc))); + SetFpFlag(context, FPState.QcFlag, Const(1)); context.Branch(lblEnd); context.MarkLabel(lblEnd); |