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Re: FP math builtins disabled with --fpmath=sse?

From: Benjamin Redelings <bredelin at ucla dot edu>
To: gcc at gcc dot gnu dot org
Date: Tue, 25 Jan 2005 11:18:44 -0800
Subject: Re: FP math builtins disabled with --fpmath=sse?
References: <41F699C4.70906@ucla.edu> <41F69AC0.3050505@lu.unisi.ch>

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

References:
- FP math builtins disabled with --fpmath=sse?
  - From: Benjamin Redelings
- Re: FP math builtins disabled with --fpmath=sse?
  - From: Paolo Bonzini

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