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Re: [3.4-BIB] Optimize cvtsd2ss for Athlon/K8

From: Jan Hubicka <jh at suse dot cz>
To: Richard Henderson <rth at redhat dot com>, Jan Hubicka <jh at suse dot cz>,gcc-patches at gcc dot gnu dot org
Date: Wed, 27 Nov 2002 10:25:09 +0100
Subject: Re: [3.4-BIB] Optimize cvtsd2ss for Athlon/K8
References: <20021126220223.GE31468@kam.mff.cuni.cz> <20021126221858.GB30040@redhat.com>

> On Tue, Nov 26, 2002 at 11:02:23PM +0100, Jan Hubicka wrote:
> > !    /* Athlon optimizes partial-register FPS special case, thus avoiding the
> > !       need for extra instructions beforehand  */
> > !    && (!TARGET_SSE_PARTIAL_REGS || TARGET_ATHLON_K8)"
> 
> Seems like it'd be a good idea to pull this into yet
> another target macro.
You mean something like
TARGET_SSE_CVTSD2SS_SPECIAL_CASE and replace all TARGET_ATHLON_K8 with
that?
Perhaps I can create TARGET_SSE_PARTIAL_REGS_FOR_CVTSD2SS
but then TARGET_SSE_PARTIAL_REGS will have weird definition...

Honza
> 
> 
> r~

References:
- [3.4-BIB] Optimize cvtsd2ss for Athlon/K8
  - From: Jan Hubicka
- Re: [3.4-BIB] Optimize cvtsd2ss for Athlon/K8
  - From: Richard Henderson

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