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Re: Status of SSE builtins

From: Joern Rennecke <joern dot rennecke at superh dot com>
To: Jan Hubicka <jh at suse dot cz>
Cc: gcc at gcc dot gnu dot org, rth at cygnus dot com, bernds at redhat dot com, aj at suse dot de
Date: Wed, 30 Oct 2002 22:36:02 +0000
Subject: Re: Status of SSE builtins
Organization: SuperH UK Ltd.
References: <3DC04D9A.2D379818@superh.com> <20021030214140.GA22590@kam.mff.cuni.cz> <3DC05B5A.225F354F@superh.com> <20021030222749.GC3485@kam.mff.cuni.cz>

Jan Hubicka wrote:
> Not yet, however I think this is just part of the problem, as reload
> will offload the register to memory, read it back and clobber the upper
> part.  I will check

You'll have to define reload patterns that copy the SSE register into the
GP register first, than load the value into the desired subreg of the GPR,
then write back to the SSE register.

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  - From: Joern Rennecke
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  - From: Jan Hubicka
- Re: Status of SSE builtins
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