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Re: RFA: pervasive SSE codegen inefficiency

From: Richard Henderson <rth at redhat dot com>
To: Dale Johannesen <dalej at apple dot com>
Cc: Andrew Pinski <pinskia at physics dot uc dot edu>, gcc mailing list <gcc at gcc dot gnu dot org>
Date: Thu, 15 Sep 2005 11:20:28 -0700
Subject: Re: RFA: pervasive SSE codegen inefficiency
References: <842d40888007e4e33ece107d868e027d@apple.com> <3031744dcf225766df53f020f456fc0b@physics.uc.edu> <cbf6f8152ba388e72318a97707cf543a@apple.com>

On Thu, Sep 15, 2005 at 11:07:23AM -0700, Dale Johannesen wrote:
> Having a more uniform representation for operations on __m128i
> objects would simplify things all over the place, though.

For some definition of "simplify" that doesn't actually make 
things simpler when it comes to the autovectorizer.  Please
leave things in their "natural" operational mode and fix the
register allocator.

r~

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References:
- RFA: pervasive SSE codegen inefficiency
  - From: Dale Johannesen
- Re: RFA: pervasive SSE codegen inefficiency
  - From: Andrew Pinski
- Re: RFA: pervasive SSE codegen inefficiency
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