ChakraCore/lib/Runtime/Library/SimdFloat32x4Lib.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 SIMDFloat32x4Lib::EntryFloat32x4(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();

        // Convert all args to float32
        float fSIMDX = JavascriptConversion::ToFloat(args.Info.Count >= 2 ? args[1] : undefinedVar, scriptContext);
        float fSIMDY = JavascriptConversion::ToFloat(args.Info.Count >= 3 ? args[2] : undefinedVar, scriptContext);
        float fSIMDZ = JavascriptConversion::ToFloat(args.Info.Count >= 4 ? args[3] : undefinedVar, scriptContext);
        float fSIMDW = JavascriptConversion::ToFloat(args.Info.Count >= 5 ? args[4] : undefinedVar, scriptContext);

        SIMDValue lanes = SIMDFloat32x4Operation::OpFloat32x4(fSIMDX, fSIMDY, fSIMDZ, fSIMDW);

        return JavascriptSIMDFloat32x4::New(&lanes, scriptContext);

    }

    Var SIMDFloat32x4Lib::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));

        if (args.Info.Count >= 2 && JavascriptSIMDFloat32x4::Is(args[1]))
        {
                return args[1];
        }
        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat32x4TypeMismatch, _u("float32x4"));
    }

    Var SIMDFloat32x4Lib::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();
        float value = JavascriptConversion::ToFloat(args.Info.Count >= 2 ? args[1] : undefinedVar, scriptContext);

        SIMDValue lanes = SIMDFloat32x4Operation::OpSplat(value);

        return JavascriptSIMDFloat32x4::New(&lanes, scriptContext);
    }

    Var SIMDFloat32x4Lib::EntryFromFloat64x2(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 *instance = JavascriptSIMDFloat64x2::FromVar(args[1]);
            SIMDValue result = SIMDFloat32x4Operation::OpFromFloat64x2(instance->GetValue());
            return JavascriptSIMDFloat32x4::New(&result, scriptContext);
        }
       JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat32x4TypeMismatch, _u("fromFloat64x2"));
    }

    Var SIMDFloat32x4Lib::EntryFromFloat64x2Bits(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 *instance = JavascriptSIMDFloat64x2::FromVar(args[1]);
            return SIMDUtils::SIMDConvertTypeFromBits<JavascriptSIMDFloat64x2, JavascriptSIMDFloat32x4>(*instance, *scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat32x4TypeMismatch, _u("fromFloat64x2Bits"));
    }

    Var SIMDFloat32x4Lib::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]);
            SIMDValue result = SIMDFloat32x4Operation::OpFromInt32x4(instance->GetValue());
            return JavascriptSIMDFloat32x4::New(&result, scriptContext);
        }

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

    Var SIMDFloat32x4Lib::EntryFromUint32x4(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 && JavascriptSIMDUint32x4::Is(args[1]))
        {
            JavascriptSIMDUint32x4 *instance = JavascriptSIMDUint32x4::FromVar(args[1]);
            SIMDValue result = SIMDFloat32x4Operation::OpFromUint32x4(instance->GetValue());
            return JavascriptSIMDFloat32x4::New(&result, scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat32x4TypeMismatch, _u("fromUint32x4"));
    }

    Var SIMDFloat32x4Lib::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]);
            return SIMDUtils::SIMDConvertTypeFromBits<JavascriptSIMDInt32x4, JavascriptSIMDFloat32x4>(*instance, *scriptContext);
        }

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

    Var SIMDFloat32x4Lib::EntryFromInt16x8Bits(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 && JavascriptSIMDInt16x8::Is(args[1]))
        {
            JavascriptSIMDInt16x8 *instance = JavascriptSIMDInt16x8::FromVar(args[1]);
            return SIMDUtils::SIMDConvertTypeFromBits<JavascriptSIMDInt16x8, JavascriptSIMDFloat32x4>(*instance, *scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat32x4TypeMismatch, _u("fromInt16x8Bits"));
    }

    Var SIMDFloat32x4Lib::EntryFromInt8x16Bits(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 && JavascriptSIMDInt8x16::Is(args[1]))
        {
            JavascriptSIMDInt8x16 *instance = JavascriptSIMDInt8x16::FromVar(args[1]);
            return SIMDUtils::SIMDConvertTypeFromBits<JavascriptSIMDInt8x16, JavascriptSIMDFloat32x4>(*instance, *scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat32x4TypeMismatch, _u("fromInt8x16Bits"));
    }

    Var SIMDFloat32x4Lib::EntryFromUint32x4Bits(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 && JavascriptSIMDUint32x4::Is(args[1]))
        {
            JavascriptSIMDUint32x4 *instance = JavascriptSIMDUint32x4::FromVar(args[1]);
            return SIMDUtils::SIMDConvertTypeFromBits<JavascriptSIMDUint32x4, JavascriptSIMDFloat32x4>(*instance, *scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat32x4TypeMismatch, _u("fromUint32x4Bits"));
    }

    Var SIMDFloat32x4Lib::EntryFromUint16x8Bits(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 && JavascriptSIMDUint16x8::Is(args[1]))
        {
            JavascriptSIMDUint16x8 *instance = JavascriptSIMDUint16x8::FromVar(args[1]);
            return SIMDUtils::SIMDConvertTypeFromBits<JavascriptSIMDUint16x8, JavascriptSIMDFloat32x4>(*instance, *scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat32x4TypeMismatch, _u("fromUint16x8Bits"));
    }

    Var SIMDFloat32x4Lib::EntryFromUint8x16Bits(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 && JavascriptSIMDUint8x16::Is(args[1]))
        {
            JavascriptSIMDUint8x16 *instance = JavascriptSIMDUint8x16::FromVar(args[1]);
            return SIMDUtils::SIMDConvertTypeFromBits<JavascriptSIMDUint8x16, JavascriptSIMDFloat32x4>(*instance, *scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat32x4TypeMismatch, _u("fromUint8x16Bits"));
    }

    //Lane Access
    Var SIMDFloat32x4Lib::EntryExtractLane(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));

        // first arg has to be of type float32x4, so cannot be missing.
        if (args.Info.Count >= 3 && JavascriptSIMDFloat32x4::Is(args[1]))
        {
            // if value arg is missing, then it is undefined.
            Var laneVar = args.Info.Count >= 3 ? args[2] : scriptContext->GetLibrary()->GetUndefined();
            float result = SIMDUtils::SIMD128ExtractLane<JavascriptSIMDFloat32x4, 4, float>(args[1], laneVar, scriptContext);

            return JavascriptNumber::ToVarWithCheck(result, scriptContext);
        }

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

    Var SIMDFloat32x4Lib::EntryReplaceLane(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));

        // first arg has to be of type float32x4, so cannot be missing.
        if (args.Info.Count >= 4 && JavascriptSIMDFloat32x4::Is(args[1]))
        {
            // if value arg is missing, then it is undefined.
            Var laneVar = args.Info.Count >= 4 ? args[2] : scriptContext->GetLibrary()->GetUndefined();
            Var argVal = args.Info.Count >= 4 ? args[3] : scriptContext->GetLibrary()->GetUndefined();
            float value = JavascriptConversion::ToFloat(argVal, scriptContext);

            SIMDValue result = SIMDUtils::SIMD128ReplaceLane<JavascriptSIMDFloat32x4, 4, float>(args[1], laneVar, value, scriptContext);

            return JavascriptSIMDFloat32x4::New(&result, scriptContext);
        }

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

    // UnaryOps
    Var SIMDFloat32x4Lib::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 && JavascriptSIMDFloat32x4::Is(args[1]))
        {
            JavascriptSIMDFloat32x4 *a = JavascriptSIMDFloat32x4::FromVar(args[1]);

            SIMDValue result = SIMDFloat32x4Operation::OpAbs(a->GetValue());
            return JavascriptSIMDFloat32x4::New(&result, scriptContext);
        }

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

    Var SIMDFloat32x4Lib::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 && JavascriptSIMDFloat32x4::Is(args[1]))
        {
            JavascriptSIMDFloat32x4 *a = JavascriptSIMDFloat32x4::FromVar(args[1]);

            SIMDValue result = SIMDFloat32x4Operation::OpNeg(a->GetValue());

            return JavascriptSIMDFloat32x4::New(&result, scriptContext);
        }

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

    Var SIMDFloat32x4Lib::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 && JavascriptSIMDFloat32x4::Is(args[1]))
        {
            JavascriptSIMDFloat32x4 *a = JavascriptSIMDFloat32x4::FromVar(args[1]);

            SIMDValue result = SIMDFloat32x4Operation::OpNot(a->GetValue());

            return JavascriptSIMDFloat32x4::New(&result, scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat32x4TypeMismatch, _u("not"));
    }

    Var SIMDFloat32x4Lib::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 && JavascriptSIMDFloat32x4::Is(args[1]))
        {
            JavascriptSIMDFloat32x4 *a = JavascriptSIMDFloat32x4::FromVar(args[1]);

            SIMDValue result = SIMDFloat32x4Operation::OpReciprocal(a->GetValue());

            return JavascriptSIMDFloat32x4::New(&result, scriptContext);
        }

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

    Var SIMDFloat32x4Lib::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 && JavascriptSIMDFloat32x4::Is(args[1]))
        {
            JavascriptSIMDFloat32x4 *a = JavascriptSIMDFloat32x4::FromVar(args[1]);
            SIMDValue result = SIMDFloat32x4Operation::OpReciprocalSqrt(a->GetValue());

            return JavascriptSIMDFloat32x4::New(&result, scriptContext);
        }

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

    Var SIMDFloat32x4Lib::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 && JavascriptSIMDFloat32x4::Is(args[1]))
        {
            JavascriptSIMDFloat32x4 *a = JavascriptSIMDFloat32x4::FromVar(args[1]);
            SIMDValue result = SIMDFloat32x4Operation::OpSqrt(a->GetValue());

            return JavascriptSIMDFloat32x4::New(&result, scriptContext);
        }
        else
            JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdFloat32x4TypeMismatch, _u("sqrt"));
    }

    Var SIMDFloat32x4Lib::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 && JavascriptSIMDFloat32x4::Is(args[1]) && JavascriptSIMDFloat32x4::Is(args[2]))
        {
            JavascriptSIMDFloat32x4 *a = JavascriptSIMDFloat32x4::FromVar(args[1]);
            JavascriptSIMDFloat32x4 *b = JavascriptSIMDFloat32x4::FromVar(args[2]);
            SIMDValue result, aValue, bValue;

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

            result = SIMDFloat32x4Operation::OpAdd(aValue, bValue);

            return JavascriptSIMDFloat32x4::New(&result, scriptContext);
        }

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

    Var SIMDFloat32x4Lib::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)
        {
            // strict type on both operands
            if (JavascriptSIMDFloat32x4::Is(args[1]) && JavascriptSIMDFloat32x4::Is(args[2]))
            {
                JavascriptSIMDFloat32x4 *a = JavascriptSIMDFloat32x4::FromVar(args[1]);
                JavascriptSIMDFloat32x4 *b = JavascriptSIMDFloat32x4::FromVar(args[2]);
                SIMDValue result, aValue, bValue;

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

                result = SIMDFloat32x4Operation::OpSub(aValue, bValue);

                return JavascriptSIMDFloat32x4::New(&result, scriptContext);
            }
        }

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

    Var SIMDFloat32x4Lib::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 && JavascriptSIMDFloat32x4::Is(args[1]) && JavascriptSIMDFloat32x4::Is(args[2]))
        {
            JavascriptSIMDFloat32x4 *a = JavascriptSIMDFloat32x4::FromVar(args[1]);
            JavascriptSIMDFloat32x4 *b = JavascriptSIMDFloat32x4::FromVar(args[2]);
            SIMDValue result, aValue, bValue;

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

            result = SIMDFloat32x4Operation::OpMul(aValue, bValue);

            return JavascriptSIMDFloat32x4::New(&result, scriptContext);
        }

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

    Var SIMDFloat32x4Lib::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 && JavascriptSIMDFloat32x4::Is(args[1]) && JavascriptSIMDFloat32x4::Is(args[2]))
        {
            JavascriptSIMDFloat32x4 *a = JavascriptSIMDFloat32x4::FromVar(args[1]);
            JavascriptSIMDFloat32x4 *b = JavascriptSIMDFloat32x4::FromVar(args[2]);
            SIMDValue result, aValue, bValue;

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

            result = SIMDFloat32x4Operation::OpDiv(aValue, bValue);

            return JavascriptSIMDFloat32x4::New(&result, scriptContext);
        }

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

    Var SIMDFloat32x4Lib::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 && JavascriptSIMDFloat32x4::Is(args[1]) && JavascriptSIMDFloat32x4::Is(args[2]))
        {
            JavascriptSIMDFloat32x4 *a = JavascriptSIMDFloat32x4::FromVar(args[1]);
            JavascriptSIMDFloat32x4 *b = JavascriptSIMDFloat32x4::FromVar(args[2]);
            SIMDValue result, aValue, bValue;

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

            result = SIMDFloat32x4Operation::OpAnd(aValue, bValue);

            return JavascriptSIMDFloat32x4::New(&result, scriptContext);
        }

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

    Var SIMDFloat32x4Lib::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 && JavascriptSIMDFloat32x4::Is(args[1]) && JavascriptSIMDFloat32x4::Is(args[2]))
        {
            JavascriptSIMDFloat32x4 *a = JavascriptSIMDFloat32x4::FromVar(args[1]);
            JavascriptSIMDFloat32x4 *b = JavascriptSIMDFloat32x4::FromVar(args[2]);
            SIMDValue result, aValue, bValue;

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

            result = SIMDFloat32x4Operation::OpOr(aValue, bValue);

            return JavascriptSIMDFloat32x4::New(&result, scriptContext);
        }

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

    Var SIMDFloat32x4Lib::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 && JavascriptSIMDFloat32x4::Is(args[1]) && JavascriptSIMDFloat32x4::Is(args[2]))
        {
            JavascriptSIMDFloat32x4 *a = JavascriptSIMDFloat32x4::FromVar(args[1]);
            JavascriptSIMDFloat32x4 *b = JavascriptSIMDFloat32x4::FromVar(args[2]);
            SIMDValue result, aValue, bValue;

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

            result = SIMDFloat32x4Operation::OpXor(aValue, bValue);

            return JavascriptSIMDFloat32x4::New(&result, scriptContext);
        }

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

    Var SIMDFloat32x4Lib::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 && JavascriptSIMDFloat32x4::Is(args[1]) && JavascriptSIMDFloat32x4::Is(args[2]))
        {
            JavascriptSIMDFloat32x4 *a = JavascriptSIMDFloat32x4::FromVar(args[1]);
            JavascriptSIMDFloat32x4 *b = JavascriptSIMDFloat32x4::FromVar(args[2]);
            SIMDValue result, aValue, bValue;

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

            result = SIMDFloat32x4Operation::OpMin(aValue, bValue);

            return JavascriptSIMDFloat32x4::New(&result, scriptContext);
        }

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

    Var SIMDFloat32x4Lib::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 && JavascriptSIMDFloat32x4::Is(args[1]) && JavascriptSIMDFloat32x4::Is(args[2]))
        {
            JavascriptSIMDFloat32x4 *a = JavascriptSIMDFloat32x4::FromVar(args[1]);
            JavascriptSIMDFloat32x4 *b = JavascriptSIMDFloat32x4::FromVar(args[2]);
            SIMDValue result, aValue, bValue;

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

            result = SIMDFloat32x4Operation::OpMax(aValue, bValue);

            return JavascriptSIMDFloat32x4::New(&result, scriptContext);
        }

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


    Var SIMDFloat32x4Lib::EntryMinNum(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 && JavascriptSIMDFloat32x4::Is(args[1]) && JavascriptSIMDFloat32x4::Is(args[2]))
        {
            JavascriptSIMDFloat32x4 *a = JavascriptSIMDFloat32x4::FromVar(args[1]);
            JavascriptSIMDFloat32x4 *b = JavascriptSIMDFloat32x4::FromVar(args[2]);
            SIMDValue result, aValue, bValue;

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

            result = SIMDFloat32x4Operation::OpMinNum(aValue, bValue);

            return JavascriptSIMDFloat32x4::New(&result, scriptContext);
        }

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

    Var SIMDFloat32x4Lib::EntryMaxNum(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 && JavascriptSIMDFloat32x4::Is(args[1]) && JavascriptSIMDFloat32x4::Is(args[2]))
        {
            JavascriptSIMDFloat32x4 *a = JavascriptSIMDFloat32x4::FromVar(args[1]);
            JavascriptSIMDFloat32x4 *b = JavascriptSIMDFloat32x4::FromVar(args[2]);
            SIMDValue result, aValue, bValue;

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

            result = SIMDFloat32x4Operation::OpMaxNum(aValue, bValue);

            return JavascriptSIMDFloat32x4::New(&result, scriptContext);
        }

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

    Var SIMDFloat32x4Lib::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 && JavascriptSIMDFloat32x4::Is(args[1]))
        {
            JavascriptSIMDFloat32x4 *a = JavascriptSIMDFloat32x4::FromVar(args[1]);
            SIMDValue result, aValue;

            aValue = a->GetValue();
            float scaleValue = JavascriptConversion::ToFloat(args[2], scriptContext);

            result = SIMDFloat32x4Operation::OpScale(aValue, scaleValue);

            return JavascriptSIMDFloat32x4::New(&result, scriptContext);
        }

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

    Var SIMDFloat32x4Lib::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 && JavascriptSIMDFloat32x4::Is(args[1]) && JavascriptSIMDFloat32x4::Is(args[2]))
        {
            JavascriptSIMDFloat32x4 *a = JavascriptSIMDFloat32x4::FromVar(args[1]);
            JavascriptSIMDFloat32x4 *b = JavascriptSIMDFloat32x4::FromVar(args[2]);
            SIMDValue result, aValue, bValue;

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

            result = SIMDFloat32x4Operation::OpLessThan(aValue, bValue);

            return JavascriptSIMDBool32x4::New(&result, scriptContext);
        }

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

    Var SIMDFloat32x4Lib::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 && JavascriptSIMDFloat32x4::Is(args[1]) && JavascriptSIMDFloat32x4::Is(args[2]))
        {
            JavascriptSIMDFloat32x4 *a = JavascriptSIMDFloat32x4::FromVar(args[1]);
            JavascriptSIMDFloat32x4 *b = JavascriptSIMDFloat32x4::FromVar(args[2]);
            SIMDValue result, aValue, bValue;

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

            result = SIMDFloat32x4Operation::OpLessThanOrEqual(aValue, bValue);

            return JavascriptSIMDBool32x4::New(&result, scriptContext);
        }

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

    Var SIMDFloat32x4Lib::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 && JavascriptSIMDFloat32x4::Is(args[1]) && JavascriptSIMDFloat32x4::Is(args[2]))
        {
            JavascriptSIMDFloat32x4 *a = JavascriptSIMDFloat32x4::FromVar(args[1]);
            JavascriptSIMDFloat32x4 *b = JavascriptSIMDFloat32x4::FromVar(args[2]);
            SIMDValue result, aValue, bValue;

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

            result = SIMDFloat32x4Operation::OpEqual(aValue, bValue);

            return JavascriptSIMDBool32x4::New(&result, scriptContext);
        }

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

    Var SIMDFloat32x4Lib::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 && JavascriptSIMDFloat32x4::Is(args[1]) && JavascriptSIMDFloat32x4::Is(args[2]))
        {
            JavascriptSIMDFloat32x4 *a = JavascriptSIMDFloat32x4::FromVar(args[1]);
            JavascriptSIMDFloat32x4 *b = JavascriptSIMDFloat32x4::FromVar(args[2]);
            SIMDValue result, aValue, bValue;

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

            result = SIMDFloat32x4Operation::OpNotEqual(aValue, bValue);

            return JavascriptSIMDBool32x4::New(&result, scriptContext);
        }

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

    Var SIMDFloat32x4Lib::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 && JavascriptSIMDFloat32x4::Is(args[1]) && JavascriptSIMDFloat32x4::Is(args[2]))
        {
            JavascriptSIMDFloat32x4 *a = JavascriptSIMDFloat32x4::FromVar(args[1]);
            JavascriptSIMDFloat32x4 *b = JavascriptSIMDFloat32x4::FromVar(args[2]);
            SIMDValue result, aValue, bValue;

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

            result = SIMDFloat32x4Operation::OpGreaterThan(aValue, bValue);

            return JavascriptSIMDBool32x4::New(&result, scriptContext);
        }

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

    Var SIMDFloat32x4Lib::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 && JavascriptSIMDFloat32x4::Is(args[1]) && JavascriptSIMDFloat32x4::Is(args[2]))
        {
            JavascriptSIMDFloat32x4 *a = JavascriptSIMDFloat32x4::FromVar(args[1]);
            JavascriptSIMDFloat32x4 *b = JavascriptSIMDFloat32x4::FromVar(args[2]);
            SIMDValue result, aValue, bValue;

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

            result = SIMDFloat32x4Operation::OpGreaterThanOrEqual(aValue, bValue);

            return JavascriptSIMDBool32x4::New(&result, scriptContext);
        }

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

    Var SIMDFloat32x4Lib::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.
        if (args.Info.Count >= 2 && JavascriptSIMDFloat32x4::Is(args[1]))
        {
            // type check on lane indices
            if (args.Info.Count < 6)
            {
                // missing lane args
                JavascriptError::ThrowTypeError(scriptContext, JSERR_NeedNumber, _u("Lane index"));
            }

            Var lane0 = args[2];
            Var lane1 = args[3];
            Var lane2 = args[4];
            Var lane3 = args[5];

            return SIMDUtils::SIMD128SlowShuffle<JavascriptSIMDFloat32x4>(args[1], args[1], lane0, lane1, lane2, lane3, 4, scriptContext);
        }

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

    Var SIMDFloat32x4Lib::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 && JavascriptSIMDFloat32x4::Is(args[1]) && JavascriptSIMDFloat32x4::Is(args[2]))
        {
            // type check on lane indices
            if (args.Info.Count < 7)
            {
                // missing lane args
                JavascriptError::ThrowTypeError(scriptContext, JSERR_NeedNumber, _u("Lane index"));
            }

            Var lane0 = args[3];
            Var lane1 = args[4];
            Var lane2 = args[5];
            Var lane3 = args[6];

            return SIMDUtils::SIMD128SlowShuffle<JavascriptSIMDFloat32x4>(args[1], args[2], lane0, lane1, lane2, lane3, 8, scriptContext);
        }

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

    Var SIMDFloat32x4Lib::EntryClamp(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 with Float32x4 type
        if (args.Info.Count >= 4 &&
            JavascriptSIMDFloat32x4::Is(args[1]) &&
            JavascriptSIMDFloat32x4::Is(args[2]) &&
            JavascriptSIMDFloat32x4::Is(args[3]))
        {
            JavascriptSIMDFloat32x4 *t = JavascriptSIMDFloat32x4::FromVar(args[1]);
            JavascriptSIMDFloat32x4 *lower = JavascriptSIMDFloat32x4::FromVar(args[2]);
            JavascriptSIMDFloat32x4 *upper = JavascriptSIMDFloat32x4::FromVar(args[3]);
            Assert(t && lower && upper);

            SIMDValue tValue, lowerValue, upperValue, resultValue;
            tValue     = t->GetValue();
            lowerValue = lower->GetValue();
            upperValue = upper->GetValue();

            resultValue = SIMDFloat32x4Operation::OpClamp(tValue, lowerValue, upperValue);

            return JavascriptSIMDFloat32x4::New(&resultValue, scriptContext);

        }

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

    Var SIMDFloat32x4Lib::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 &&
            JavascriptSIMDBool32x4::Is(args[1]) &&
            JavascriptSIMDFloat32x4::Is(args[2]) &&
            JavascriptSIMDFloat32x4::Is(args[3]))
        {
            JavascriptSIMDBool32x4 *fmask = JavascriptSIMDBool32x4::FromVar(args[1]);
            Assert(fmask);
            JavascriptSIMDFloat32x4 *tvalue = JavascriptSIMDFloat32x4::FromVar(args[2]);
            JavascriptSIMDFloat32x4 *fvalue = JavascriptSIMDFloat32x4::FromVar(args[3]);
            Assert(fmask && tvalue && fvalue);

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

            resultValue = SIMDFloat32x4Operation::OpSelect(maskValue, trueValue, falseValue);

            return JavascriptSIMDFloat32x4::New(&resultValue, scriptContext);
        }

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

    Var SIMDFloat32x4Lib::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<JavascriptSIMDFloat32x4>(args[1], args[2], 4 * FLOAT32_SIZE, scriptContext);
    }

    Var SIMDFloat32x4Lib::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<JavascriptSIMDFloat32x4>(args[1], args[2], 1 * FLOAT32_SIZE, scriptContext);
    }

    Var SIMDFloat32x4Lib::EntryLoad2(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<JavascriptSIMDFloat32x4>(args[1], args[2], 2 * FLOAT32_SIZE, scriptContext);
    }

    Var SIMDFloat32x4Lib::EntryLoad3(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<JavascriptSIMDFloat32x4>(args[1], args[2], 3 * FLOAT32_SIZE, scriptContext);
    }

    Var SIMDFloat32x4Lib::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 && JavascriptSIMDFloat32x4::Is(args[3]))
        {
            SIMDUtils::SIMD128TypedArrayStore<JavascriptSIMDFloat32x4>(args[1], args[2], args[3], 4 * FLOAT32_SIZE, scriptContext);
            return JavascriptSIMDFloat32x4::FromVar(args[3]);
        }
        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdInvalidArgType, _u("SIMD.Float32x4.store"));
    }

    Var SIMDFloat32x4Lib::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 && JavascriptSIMDFloat32x4::Is(args[3]))
        {
            SIMDUtils::SIMD128TypedArrayStore<JavascriptSIMDFloat32x4>(args[1], args[2], args[3], 1 * FLOAT32_SIZE, scriptContext);
            return JavascriptSIMDFloat32x4::FromVar(args[3]);
        }
        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdInvalidArgType, _u("SIMD.Float32x4.store"));
    }

    Var SIMDFloat32x4Lib::EntryStore2(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 && JavascriptSIMDFloat32x4::Is(args[3]))
        {
            SIMDUtils::SIMD128TypedArrayStore<JavascriptSIMDFloat32x4>(args[1], args[2], args[3], 2 * FLOAT32_SIZE, scriptContext);
            return JavascriptSIMDFloat32x4::FromVar(args[3]);
        }
        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdInvalidArgType, _u("SIMD.Float32x4.store"));
    }

    Var SIMDFloat32x4Lib::EntryStore3(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 && JavascriptSIMDFloat32x4::Is(args[3]))
        {
            SIMDUtils::SIMD128TypedArrayStore<JavascriptSIMDFloat32x4>(args[1], args[2], args[3], 3 * FLOAT32_SIZE, scriptContext);
            return JavascriptSIMDFloat32x4::FromVar(args[3]);
        }
        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdInvalidArgType, _u("SIMD.Float32x4.store"));
    }
}