[Development] Deprecation/removal model going into Qt 6

Thiago Macieira thiago.macieira at intel.com
Mon Jun 3 07:53:26 CEST 2019


On Sunday, 2 June 2019 16:39:24 PDT Kevin Kofler wrote:
> PS: Imagine the outcry and havoc if Intel decided to tell you, e.g.: "Sorry,
> x87 floating-point is obsolete and hard for us to maintain, we will drop it
> from our next generation of CPUs and force everybody to port their software
> to SSE2 or AVX512 for all floating-point operations." (I hope I'm not
> giving them ideas…) Yet, for some reason I cannot fathom, this exact
> behavior is considered acceptable from software library vendors (and
> compiler vendors too, g++ is a bad offender there, but that is off-topic
> here  ).

I don't think anyone is thinking of removing x87 support from mainline CPUs, 
since it's the thing that gives us "long double".

It was absent from the Quark microcontrollers, though, just like the original 
80386 and 80486SX did.

-- 
Thiago Macieira - thiago.macieira (AT) intel.com
  Software Architect - Intel System Software Products





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