Override and inline wasm-implementations of frequently used libc functions with lua-implementations

[swadicalrag]

Override and inline wasm-implementations of frequently used libc functions with lua-implementations

[SwadicalRag]

These ones should be inlined to assist the LuaJIT tracer

__FUNCS__.sinf = math.sin
__FUNCS__.asinf = math.asin
__FUNCS__.cosf = math.cos
__FUNCS__.acosf = math.acos
__FUNCS__.atanf = math.atan
__FUNCS__.atan2f = math.atan2
__FUNCS__.sqrtf = math.sqrt
__FUNCS__.powf = math.pow
__FUNCS__.fmodf = math.fmod
__FUNCS__.floor = math.floor
__FUNCS__.fabsf = math.abs
__FUNCS__.frexp = function(x,pExp) local mul,exp = math_frexp(x) __MEMORY_WRITE_32__(module.memory,pExp,exp) return mul end

[SwadicalRag]

    function __FUNCS__.memset(dest, byte, len)
        local fastLen = bit.band(len,-4) -- bit.bnot(3)
        local fwByte = bit.bor(
            byte,
            bit.lshift(byte,4),
            bit.lshift(byte,8),
            bit.lshift(byte,12)
        )
        for i=0,fastLen-1,4 do
            __MEMORY_WRITE_32__(mem_0,dest+i,fwByte)
        end
        
        for i=(len-fastLen),len-1,1 do
            __MEMORY_WRITE_8__(mem_0,dest+i,byte)
        end

        return dest
    end