What is the portable 128-bit floating point type?

[Yuri]

On 2019-05-25 13:04, Konstantin Belousov wrote:
> Neither i386 nor amd64 have hardware-supported 128 bit floating point
> type. long double is defined by both i386 and amd64 Unix ABI as 80 bits
> (10 bytes) representation as defined by IEEEE FP standard and supported
> by x87 FPU (not-SSE). The difference in size is due to the different
> natural alignment between 32 and 64 bit ISA.


So it looks like there is no true quad-precision float available.


Based on this conversation https://github.com/bluescarni/mppp/issues/186 
FreeBSD used to support __float128. Why was it removed?


Yuri