ChakraCore/lib/Runtime/Library/SimdFloat64x2Lib.cpp

//-------------------------------------------------------------------------------------------------------
// Copyright (C) Microsoft Corporation and contributors. All rights reserved.
// Licensed under the MIT license. See LICENSE.txt file in the project root for full license information.
//-------------------------------------------------------------------------------------------------------
#include "RuntimeLibraryPch.h"

namespace Js
{

    Var SIMDFloat64x2Lib::EntryFloat64x2(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();
        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));    // comment out to satisfy language service -ls -stress run

        Var undefinedVar = scriptContext->GetLibrary()->GetUndefined();

        double dSIMDX = JavascriptConversion::ToNumber(args.Info.Count >= 2 ? args[1] : undefinedVar, scriptContext);
        double dSIMDY = JavascriptConversion::ToNumber(args.Info.Count >= 3 ? args[2] : undefinedVar, scriptContext);

        SIMDValue lanes = SIMDFloat64x2Operation::OpFloat64x2(dSIMDX, dSIMDY);

        return JavascriptSIMDFloat64x2::New(&lanes, scriptContext);
    }

    Var SIMDFloat64x2Lib::EntryCheck(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();
        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));    // comment out to satisfy language service -ls -stress run

        if (args.Info.Count >= 2 && JavascriptSIMDFloat64x2::Is(args[1]))
        {
            return args[1];
        }
        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat64x2TypeMismatch, _u("Float64x2"));
    }

    Var SIMDFloat64x2Lib::EntrySplat(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();
        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        Var undefinedVar = scriptContext->GetLibrary()->GetUndefined();
        double value = JavascriptConversion::ToNumber(args.Info.Count >= 2 ? args[1] : undefinedVar, scriptContext);

        SIMDValue lanes = SIMDFloat64x2Operation::OpSplat(value);

        return JavascriptSIMDFloat64x2::New(&lanes, scriptContext);
    }

    Var SIMDFloat64x2Lib::EntryFromFloat32x4(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);
        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        if (args.Info.Count >= 2 && JavascriptSIMDFloat32x4::Is(args[1]))
        {
            JavascriptSIMDFloat32x4 *instance = JavascriptSIMDFloat32x4::FromVar(args[1]);
            Assert(instance);

            return JavascriptSIMDFloat64x2::FromFloat32x4(instance, scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat32x4TypeMismatch, _u("fromFloat32x4"));
    }

    Var SIMDFloat64x2Lib::EntryFromFloat32x4Bits(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);
        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        if (args.Info.Count >= 2 && JavascriptSIMDFloat32x4::Is(args[1]))
        {
            JavascriptSIMDFloat32x4 *instance = JavascriptSIMDFloat32x4::FromVar(args[1]);
            Assert(instance);

            return SIMDUtils::SIMDConvertTypeFromBits<JavascriptSIMDFloat32x4, JavascriptSIMDFloat64x2>(*instance, *scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat32x4TypeMismatch, _u("fromFloat32x4Bits"));
    }

    Var SIMDFloat64x2Lib::EntryFromInt32x4(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);
        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        if (args.Info.Count >= 2 && JavascriptSIMDInt32x4::Is(args[1]))
        {
            JavascriptSIMDInt32x4 *instance = JavascriptSIMDInt32x4::FromVar(args[1]);
            Assert(instance);

            return JavascriptSIMDFloat64x2::FromInt32x4(instance, scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat32x4TypeMismatch, _u("fromInt32x4"));
    }

    Var SIMDFloat64x2Lib::EntryFromInt32x4Bits(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);
        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        if (args.Info.Count >= 2 && JavascriptSIMDInt32x4::Is(args[1]))
        {
            JavascriptSIMDInt32x4 *instance = JavascriptSIMDInt32x4::FromVar(args[1]);
            Assert(instance);

            return SIMDUtils::SIMDConvertTypeFromBits<JavascriptSIMDInt32x4, JavascriptSIMDFloat64x2>(*instance, *scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat32x4TypeMismatch, _u("fromInt32x4Bits"));
    }

    Var SIMDFloat64x2Lib::EntryNot(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        if (args.Info.Count >= 2 && JavascriptSIMDFloat64x2::Is(args[1]))
        {
            JavascriptSIMDFloat64x2 *a = JavascriptSIMDFloat64x2::FromVar(args[1]);
            Assert(a);

            SIMDValue result, value;
            value = a->GetValue();
            result = SIMDFloat64x2Operation::OpNot(value);

            return JavascriptSIMDFloat64x2::New(&result, scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat64x2TypeMismatch, _u("not"));
    }

    Var SIMDFloat64x2Lib::EntryAbs(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        if (args.Info.Count >= 2 && JavascriptSIMDFloat64x2::Is(args[1]))
        {
            JavascriptSIMDFloat64x2 *a = JavascriptSIMDFloat64x2::FromVar(args[1]);
            Assert(a);

            SIMDValue result, value;
            value = a->GetValue();
            result = SIMDFloat64x2Operation::OpAbs(value);

            return JavascriptSIMDFloat64x2::New(&result, scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat64x2TypeMismatch, _u("abs"));
    }

    Var SIMDFloat64x2Lib::EntryNeg(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        if (args.Info.Count >= 2 && JavascriptSIMDFloat64x2::Is(args[1]))
        {
            JavascriptSIMDFloat64x2 *a = JavascriptSIMDFloat64x2::FromVar(args[1]);
            Assert(a);

            SIMDValue result, value;
            value = a->GetValue();
            result = SIMDFloat64x2Operation::OpNeg(value);

            return JavascriptSIMDFloat64x2::New(&result, scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat64x2TypeMismatch, _u("neg"));
    }

    Var SIMDFloat64x2Lib::EntrySqrt(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        if (args.Info.Count >= 2 && JavascriptSIMDFloat64x2::Is(args[1]))
        {
            JavascriptSIMDFloat64x2 *a = JavascriptSIMDFloat64x2::FromVar(args[1]);
            Assert(a);

            SIMDValue result, value;
            value = a->GetValue();
            result = SIMDFloat64x2Operation::OpSqrt(value);

            return JavascriptSIMDFloat64x2::New(&result, scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat64x2TypeMismatch, _u("sqrt"));
    }

    Var SIMDFloat64x2Lib::EntryReciprocal(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        if (args.Info.Count >= 2 && JavascriptSIMDFloat64x2::Is(args[1]))
        {
            JavascriptSIMDFloat64x2 *a = JavascriptSIMDFloat64x2::FromVar(args[1]);
            Assert(a);

            SIMDValue result, value;
            value = a->GetValue();
            result = SIMDFloat64x2Operation::OpReciprocal(value);

            return JavascriptSIMDFloat64x2::New(&result, scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat64x2TypeMismatch, _u("reciprocal"));
    }

    Var SIMDFloat64x2Lib::EntryReciprocalSqrt(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        if (args.Info.Count >= 2 && JavascriptSIMDFloat64x2::Is(args[1]))
        {
            JavascriptSIMDFloat64x2 *a = JavascriptSIMDFloat64x2::FromVar(args[1]);
            Assert(a);

            SIMDValue result, value;
            value = a->GetValue();
            result = SIMDFloat64x2Operation::OpReciprocalSqrt(value);

            return JavascriptSIMDFloat64x2::New(&result, scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat64x2TypeMismatch, _u("reciprocalSqrt"));
    }

    Var SIMDFloat64x2Lib::EntryAdd(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        // If any of the args are missing, then it is Undefined type which causes TypeError exception.
        // strict type on both operands
        if (args.Info.Count >= 3 && JavascriptSIMDFloat64x2::Is(args[1]) && JavascriptSIMDFloat64x2::Is(args[2]))
        {
            JavascriptSIMDFloat64x2 *a = JavascriptSIMDFloat64x2::FromVar(args[1]);
            JavascriptSIMDFloat64x2 *b = JavascriptSIMDFloat64x2::FromVar(args[2]);
            Assert(a && b);

            SIMDValue result, aValue, bValue;

            aValue = a->GetValue();
            bValue = b->GetValue();

            result = SIMDFloat64x2Operation::OpAdd(aValue, bValue);
            return JavascriptSIMDFloat64x2::New(&result, scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat64x2TypeMismatch, _u("add"));
    }

    Var SIMDFloat64x2Lib::EntrySub(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        // If any of the args are missing, then it is Undefined type which causes TypeError exception.
        // strict type on both operands
        if (args.Info.Count >= 3 && JavascriptSIMDFloat64x2::Is(args[1]) && JavascriptSIMDFloat64x2::Is(args[2]))
        {
            JavascriptSIMDFloat64x2 *a = JavascriptSIMDFloat64x2::FromVar(args[1]);
            JavascriptSIMDFloat64x2 *b = JavascriptSIMDFloat64x2::FromVar(args[2]);
            Assert(a && b);

            SIMDValue result, aValue, bValue;

            aValue = a->GetValue();
            bValue = b->GetValue();

            result = SIMDFloat64x2Operation::OpSub(aValue, bValue);
            return JavascriptSIMDFloat64x2::New(&result, scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat64x2TypeMismatch, _u("sub"));
    }

    Var SIMDFloat64x2Lib::EntryMul(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        // If any of the args are missing, then it is Undefined type which causes TypeError exception.
        // strict type on both operands
        if (args.Info.Count >= 3 && JavascriptSIMDFloat64x2::Is(args[1]) && JavascriptSIMDFloat64x2::Is(args[2]))
        {
            JavascriptSIMDFloat64x2 *a = JavascriptSIMDFloat64x2::FromVar(args[1]);
            JavascriptSIMDFloat64x2 *b = JavascriptSIMDFloat64x2::FromVar(args[2]);
            Assert(a && b);

            SIMDValue result, aValue, bValue;

            aValue = a->GetValue();
            bValue = b->GetValue();

            result = SIMDFloat64x2Operation::OpMul(aValue, bValue);
            return JavascriptSIMDFloat64x2::New(&result, scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat64x2TypeMismatch, _u("mul"));
    }

    Var SIMDFloat64x2Lib::EntryDiv(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        // If any of the args are missing, then it is Undefined type which causes TypeError exception.
        // strict type on both operands
        if (args.Info.Count >= 3 && JavascriptSIMDFloat64x2::Is(args[1]) && JavascriptSIMDFloat64x2::Is(args[2]))
        {
            JavascriptSIMDFloat64x2 *a = JavascriptSIMDFloat64x2::FromVar(args[1]);
            JavascriptSIMDFloat64x2 *b = JavascriptSIMDFloat64x2::FromVar(args[2]);
            Assert(a && b);

            SIMDValue result, aValue, bValue;

            aValue = a->GetValue();
            bValue = b->GetValue();

            result = SIMDFloat64x2Operation::OpDiv(aValue, bValue);
            return JavascriptSIMDFloat64x2::New(&result, scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat64x2TypeMismatch, _u("div"));
    }

    Var SIMDFloat64x2Lib::EntryAnd(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        // If any of the args are missing, then it is Undefined type which causes TypeError exception.
        // strict type on both operands
        if (args.Info.Count >= 3 && JavascriptSIMDFloat64x2::Is(args[1]) && JavascriptSIMDFloat64x2::Is(args[2]))
        {
            JavascriptSIMDFloat64x2 *a = JavascriptSIMDFloat64x2::FromVar(args[1]);
            JavascriptSIMDFloat64x2 *b = JavascriptSIMDFloat64x2::FromVar(args[2]);
            Assert(a && b);

            SIMDValue result, aValue, bValue;

            aValue = a->GetValue();
            bValue = b->GetValue();

            result = SIMDFloat64x2Operation::OpAnd(aValue, bValue);
            return JavascriptSIMDFloat64x2::New(&result, scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat64x2TypeMismatch, _u("and"));
    }

    Var SIMDFloat64x2Lib::EntryOr(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        // If any of the args are missing, then it is Undefined type which causes TypeError exception.
        // strict type on both operands
        if (args.Info.Count >= 3 && JavascriptSIMDFloat64x2::Is(args[1]) && JavascriptSIMDFloat64x2::Is(args[2]))
        {
            JavascriptSIMDFloat64x2 *a = JavascriptSIMDFloat64x2::FromVar(args[1]);
            JavascriptSIMDFloat64x2 *b = JavascriptSIMDFloat64x2::FromVar(args[2]);
            Assert(a && b);

            SIMDValue result, aValue, bValue;

            aValue = a->GetValue();
            bValue = b->GetValue();

            result = SIMDFloat64x2Operation::OpOr(aValue, bValue);
            return JavascriptSIMDFloat64x2::New(&result, scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat64x2TypeMismatch, _u("or"));
    }

    Var SIMDFloat64x2Lib::EntryXor(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        // If any of the args are missing, then it is Undefined type which causes TypeError exception.
        // strict type on both operands
        if (args.Info.Count >= 3 && JavascriptSIMDFloat64x2::Is(args[1]) && JavascriptSIMDFloat64x2::Is(args[2]))
        {
            JavascriptSIMDFloat64x2 *a = JavascriptSIMDFloat64x2::FromVar(args[1]);
            JavascriptSIMDFloat64x2 *b = JavascriptSIMDFloat64x2::FromVar(args[2]);
            Assert(a && b);

            SIMDValue result, aValue, bValue;

            aValue = a->GetValue();
            bValue = b->GetValue();

            result = SIMDFloat64x2Operation::OpXor(aValue, bValue);
            return JavascriptSIMDFloat64x2::New(&result, scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat64x2TypeMismatch, _u("xor"));
    }

    Var SIMDFloat64x2Lib::EntryMin(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        // If any of the args are missing, then it is Undefined type which causes TypeError exception.
        // strict type on both operands
        if (args.Info.Count >= 3 && JavascriptSIMDFloat64x2::Is(args[1]) && JavascriptSIMDFloat64x2::Is(args[2]))
        {
            JavascriptSIMDFloat64x2 *a = JavascriptSIMDFloat64x2::FromVar(args[1]);
            JavascriptSIMDFloat64x2 *b = JavascriptSIMDFloat64x2::FromVar(args[2]);
            Assert(a && b);

            SIMDValue result, aValue, bValue;

            aValue = a->GetValue();
            bValue = b->GetValue();

            result = SIMDFloat64x2Operation::OpMin(aValue, bValue);
            return JavascriptSIMDFloat64x2::New(&result, scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat64x2TypeMismatch, _u("min"));
    }

    Var SIMDFloat64x2Lib::EntryMax(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        // If any of the args are missing, then it is Undefined type which causes TypeError exception.
        // strict type on both operands
        if (args.Info.Count >= 3 && JavascriptSIMDFloat64x2::Is(args[1]) && JavascriptSIMDFloat64x2::Is(args[2]))
        {
            JavascriptSIMDFloat64x2 *a = JavascriptSIMDFloat64x2::FromVar(args[1]);
            JavascriptSIMDFloat64x2 *b = JavascriptSIMDFloat64x2::FromVar(args[2]);
            Assert(a && b);

            SIMDValue result, aValue, bValue;

            aValue = a->GetValue();
            bValue = b->GetValue();

            result = SIMDFloat64x2Operation::OpMax(aValue, bValue);
            return JavascriptSIMDFloat64x2::New(&result, scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat64x2TypeMismatch, _u("max"));
    }

    Var SIMDFloat64x2Lib::EntryScale(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        // If any of the args are missing, then it is Undefined type which causes TypeError exception.
        if (args.Info.Count >= 3 && JavascriptSIMDFloat64x2::Is(args[1]))
        {
            JavascriptSIMDFloat64x2 *a = JavascriptSIMDFloat64x2::FromVar(args[1]);
            Assert(a);

            SIMDValue result, aValue;

            aValue = a->GetValue();
            double scaleValue = JavascriptConversion::ToNumber(args[2], scriptContext);
            result = SIMDFloat64x2Operation::OpScale(aValue, scaleValue);

            return JavascriptSIMDFloat64x2::New(&result, scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat64x2TypeMismatch, _u("scale"));
    }

    Var SIMDFloat64x2Lib::EntryLessThan(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        // If any of the args are missing, then it is Undefined type which causes TypeError exception.
        // strict type on both operands
        if (args.Info.Count >= 3 && JavascriptSIMDFloat64x2::Is(args[1]) && JavascriptSIMDFloat64x2::Is(args[2]))
        {
            JavascriptSIMDFloat64x2 *a = JavascriptSIMDFloat64x2::FromVar(args[1]);
            JavascriptSIMDFloat64x2 *b = JavascriptSIMDFloat64x2::FromVar(args[2]);
            Assert(a && b);

            SIMDValue result, aValue, bValue;

            aValue = a->GetValue();
            bValue = b->GetValue();
            result = SIMDFloat64x2Operation::OpLessThan(aValue, bValue);

            return JavascriptSIMDInt32x4::New(&result, scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat64x2TypeMismatch, _u("lessThan"));
    }

    Var SIMDFloat64x2Lib::EntryLessThanOrEqual(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        // If any of the args are missing, then it is Undefined type which causes TypeError exception.
        // strict type on both operands
        if (args.Info.Count >= 3 && JavascriptSIMDFloat64x2::Is(args[1]) && JavascriptSIMDFloat64x2::Is(args[2]))
        {
            JavascriptSIMDFloat64x2 *a = JavascriptSIMDFloat64x2::FromVar(args[1]);
            JavascriptSIMDFloat64x2 *b = JavascriptSIMDFloat64x2::FromVar(args[2]);
            Assert(a && b);

            SIMDValue result, aValue, bValue;

            aValue = a->GetValue();
            bValue = b->GetValue();
            result = SIMDFloat64x2Operation::OpLessThanOrEqual(aValue, bValue);

            return JavascriptSIMDInt32x4::New(&result, scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat64x2TypeMismatch, _u("lessThanOrEqual"));
    }

    Var SIMDFloat64x2Lib::EntryEqual(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        // If any of the args are missing, then it is Undefined type which causes TypeError exception.
        // strict type on both operands
        if (args.Info.Count >= 3 && JavascriptSIMDFloat64x2::Is(args[1]) && JavascriptSIMDFloat64x2::Is(args[2]))
        {
            JavascriptSIMDFloat64x2 *a = JavascriptSIMDFloat64x2::FromVar(args[1]);
            JavascriptSIMDFloat64x2 *b = JavascriptSIMDFloat64x2::FromVar(args[2]);
            Assert(a && b);

            SIMDValue result, aValue, bValue;

            aValue = a->GetValue();
            bValue = b->GetValue();
            result = SIMDFloat64x2Operation::OpEqual(aValue, bValue);

            return JavascriptSIMDInt32x4::New(&result, scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat64x2TypeMismatch, _u("equal"));
    }

    Var SIMDFloat64x2Lib::EntryNotEqual(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        // If any of the args are missing, then it is Undefined type which causes TypeError exception.
        // strict type on both operands
        if (args.Info.Count >= 3 && JavascriptSIMDFloat64x2::Is(args[1]) && JavascriptSIMDFloat64x2::Is(args[2]))
        {
            JavascriptSIMDFloat64x2 *a = JavascriptSIMDFloat64x2::FromVar(args[1]);
            JavascriptSIMDFloat64x2 *b = JavascriptSIMDFloat64x2::FromVar(args[2]);
            Assert(a && b);

            SIMDValue result, aValue, bValue;

            aValue = a->GetValue();
            bValue = b->GetValue();
            result = SIMDFloat64x2Operation::OpNotEqual(aValue, bValue);

            return JavascriptSIMDInt32x4::New(&result, scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat64x2TypeMismatch, _u("notEqual"));
    }

    Var SIMDFloat64x2Lib::EntryGreaterThan(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        // If any of the args are missing, then it is Undefined type which causes TypeError exception.
        // strict type on both operands
        if (args.Info.Count >= 3 && JavascriptSIMDFloat64x2::Is(args[1]) && JavascriptSIMDFloat64x2::Is(args[2]))
        {
            JavascriptSIMDFloat64x2 *a = JavascriptSIMDFloat64x2::FromVar(args[1]);
            JavascriptSIMDFloat64x2 *b = JavascriptSIMDFloat64x2::FromVar(args[2]);
            Assert(a && b);

            SIMDValue result, aValue, bValue;

            aValue = a->GetValue();
            bValue = b->GetValue();
            result = SIMDFloat64x2Operation::OpGreaterThan(aValue, bValue);

            return JavascriptSIMDInt32x4::New(&result, scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat64x2TypeMismatch, _u("greaterThan"));
    }

    Var SIMDFloat64x2Lib::EntryGreaterThanOrEqual(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        // If any of the args are missing, then it is Undefined type which causes TypeError exception.
        // strict type on both operands
        if (args.Info.Count >= 3 && JavascriptSIMDFloat64x2::Is(args[1]) && JavascriptSIMDFloat64x2::Is(args[2]))
        {
            JavascriptSIMDFloat64x2 *a = JavascriptSIMDFloat64x2::FromVar(args[1]);
            JavascriptSIMDFloat64x2 *b = JavascriptSIMDFloat64x2::FromVar(args[2]);
            Assert(a && b);

            SIMDValue result, aValue, bValue;

            aValue = a->GetValue();
            bValue = b->GetValue();
            result = SIMDFloat64x2Operation::OpGreaterThanOrEqual(aValue, bValue);

            return JavascriptSIMDInt32x4::New(&result, scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat64x2TypeMismatch, _u("greaterThanOrEqual"));
    }

    Var SIMDFloat64x2Lib::EntrySwizzle(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        // If any of the args are missing, then it is Undefined type which causes TypeError exception.
        // strict type on both operands
        if (args.Info.Count >= 2 && JavascriptSIMDFloat64x2::Is(args[1]))
        {
            // type check on lane indices
            if (args.Info.Count < 4)
            {
                // missing lane args
                JavascriptError::ThrowTypeError(scriptContext, JSERR_NeedNumber, _u("Lane index"));
            }
            Var lane0 = args[2];
            Var lane1 = args[3];

            return SIMDUtils::SIMD128SlowShuffle<JavascriptSIMDFloat64x2, 2>(args[1], args[1], lane0, lane1, NULL, NULL, 2, scriptContext);
        }
        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat64x2TypeMismatch, _u("swizzle"));
    }

    Var SIMDFloat64x2Lib::EntryShuffle(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        // If any of the args are missing, then it is Undefined type which causes TypeError exception.
        // strict type on both operands
        if (args.Info.Count >= 3 && JavascriptSIMDFloat64x2::Is(args[1]) && JavascriptSIMDFloat64x2::Is(args[2]))
        {
            // type check on lane indices
            if (args.Info.Count < 5)
            {
                // missing lane args
                JavascriptError::ThrowTypeError(scriptContext, JSERR_NeedNumber, _u("Lane index"));
            }
            Var lane0 = args[3];
            Var lane1 = args[4];

            return SIMDUtils::SIMD128SlowShuffle<JavascriptSIMDFloat64x2, 2>(args[1], args[2], lane0, lane1, NULL, NULL, 4, scriptContext);
        }
        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat64x2TypeMismatch, _u("shuffle"));
    }

    Var SIMDFloat64x2Lib::EntrySelect(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        // we expect at least 3 explicit args (Int32x4, Float32x4, Float32x4)
        if (args.Info.Count >= 4 &&
            JavascriptSIMDInt32x4::Is(args[1]) &&
            JavascriptSIMDFloat64x2::Is(args[2]) &&
            JavascriptSIMDFloat64x2::Is(args[3]))
        {

            JavascriptSIMDInt32x4 *mask = JavascriptSIMDInt32x4::FromVar(args[1]);
            Assert(mask);

            JavascriptSIMDFloat64x2 *fmask = (JavascriptSIMDFloat64x2*)SIMDUtils::SIMDConvertTypeFromBits<JavascriptSIMDInt32x4, JavascriptSIMDFloat64x2>(*mask, *scriptContext);
            JavascriptSIMDFloat64x2 *tvalue = JavascriptSIMDFloat64x2::FromVar(args[2]);
            JavascriptSIMDFloat64x2 *fvalue = JavascriptSIMDFloat64x2::FromVar(args[3]);
            Assert(fmask && tvalue && fvalue);

            SIMDValue maskValue, trueValue, falseValue, resultValue;

            maskValue = fmask->GetValue();
            trueValue = tvalue->GetValue();
            falseValue = fvalue->GetValue();

            resultValue = SIMDFloat64x2Operation::OpSelect(maskValue, trueValue, falseValue);

            return JavascriptSIMDFloat64x2::New(&resultValue, scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat32x4TypeMismatch, _u("select"));
    }


    Var SIMDFloat64x2Lib::EntryLoad(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        return SIMDUtils::SIMD128TypedArrayLoad<JavascriptSIMDFloat64x2>(args[1], args[2], 2 * FLOAT64_SIZE, scriptContext);
    }

    Var SIMDFloat64x2Lib::EntryLoad1(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        return SIMDUtils::SIMD128TypedArrayLoad<JavascriptSIMDFloat64x2>(args[1], args[2], 1 * FLOAT64_SIZE, scriptContext);
    }

    Var SIMDFloat64x2Lib::EntryStore(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        if (args.Info.Count >= 4 && JavascriptSIMDFloat64x2::Is(args[3]))
        {
            SIMDUtils::SIMD128TypedArrayStore<JavascriptSIMDFloat64x2>(args[1], args[2], args[3], 2 * FLOAT64_SIZE, scriptContext);
            return NULL;
        }
        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdInvalidArgType, _u("SIMD.Float64x2.store"));

    }

    Var SIMDFloat64x2Lib::EntryStore1(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        if (args.Info.Count >= 4 && JavascriptSIMDFloat64x2::Is(args[3]))
        {
            SIMDUtils::SIMD128TypedArrayStore<JavascriptSIMDFloat64x2>(args[1], args[2], args[3], 1 * FLOAT64_SIZE, scriptContext);
            return NULL;
        }
        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdInvalidArgType, _u("SIMD.Float64x2.store"));

    }

}