-Ofast/-ffast-math and SPEC 511.pov miscompilation with gcc 13.0

Richard Biener richard.guenther@gmail.com
Fri Feb 3 18:59:56 GMT 2023



> Am 03.02.2023 um 19:47 schrieb Vineet Gupta <vineetg@rivosinc.com>:
> 
> 
>> On 2/2/23 23:36, Richard Biener wrote:
>> There's a CLOSED INVALID bug in bugzilla
>> about the povray failure as well.
> 
> Thx for the pointer ! For the record it is
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107021
> 
> > The question is what to do with 511.povray_r as we want to support SPECs with -Ofast.
> 
> I'm curious about Martin's comment above.
> So SPEC -Ofast is just not supported anymore unless -fno-finite-math-only

Well, that’s the fact right now.  It’s unfortunate but the povray case is difficult to single out.

Richard 

> -Vineet
> 


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