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Re: SSE types and structures

From: Aldy Hernandez <aldyh at redhat dot com>
To: Jan Hubicka <jh at suse dot cz>
Cc: Richard Henderson <rth at redhat dot com>, Bernd Schmidt <bernds at redhat dot com>, gcc at gcc dot gnu dot org, gcc-bugs at gcc dot gnu dot org, jakub at redhat dot com, gcc-patches at gcc dot gnu dot org
Date: Wed, 19 Jun 2002 11:59:05 +1000
Subject: Re: SSE types and structures
References: <20020618144554.GI19604@atrey.karlin.mff.cuni.cz> <Pine.LNX.4.44.0206181550380.8067-100000@host140.cambridge.redhat.com> <20020618150359.GN19604@atrey.karlin.mff.cuni.cz> <20020618091450.B15152@redhat.com> <20020618162243.GT19604@atrey.karlin.mff.cuni.cz>

> > > __v8qi q;
> > >   q = (__v8qi) (long long) i;
> > [...]
> > > q.c:9: error: can't convert between vector values of different size
> > 
> > This must be a bug in Aldy's generic vector code.
> 
> I am just looking into this.  The problem seems to be that chained casts
> are simplified into single cast.  During this folding, the convert is
> called again, now with incorrect values.

hmm, this may not be my code.  i just committed the generic simd stuff
yesterday.  jan, when did you first see this?  how old was the tree?

aldy

Follow-Ups:
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  - From: Jan Hubicka

References:
- Re: SSE types and structures
  - From: Jan Hubicka
- Re: SSE types and structures
  - From: Bernd Schmidt
- Re: SSE types and structures
  - From: Jan Hubicka
- Re: SSE types and structures
  - From: Richard Henderson
- Re: SSE types and structures
  - From: Jan Hubicka

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