FP math builtins disabled with --fpmath=sse?
Benjamin Redelings
bredelin@ucla.edu
Tue Jan 25 19:45:00 GMT 2005
Paolo Bonzini wrote:
>> Uros Bizjak said that FP math builtins were disabled with
>> --fpmath=sse, because they were not advantageous on x86_64.
>
>
> Have you tried -mfpmath=sse,387?
Oh, I though this was broken/deprecated.
>
> > However, if this is true, I will not be able to use SSE in my code
> > because I use a lot of log()/exp() calls. What are the prospects
> that > math builtins could be re-enabled for *ia32*?
>
> Your time numbers can only help to this end.
I will certainly send some, once I get my code to stop segfaulting under
4.0!
-BenRI
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