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Re: FP math builtins disabled with --fpmath=sse?
- From: Paolo Bonzini <paolo dot bonzini at lu dot unisi dot ch>
- To: Benjamin Redelings <bredelin at ucla dot edu>
- Cc: GCC Development <gcc at gcc dot gnu dot org>
- Date: Tue, 25 Jan 2005 20:15:12 +0100
- Subject: Re: FP math builtins disabled with --fpmath=sse?
- References: <41F699C4.70906@ucla.edu>
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?
> 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.
Paolo