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[Bug target/14941] i386.md strangeness in sse2_movsd
- From: "hubicka at ucw dot cz" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 21 Sep 2004 15:11:26 -0000
- Subject: [Bug target/14941] i386.md strangeness in sse2_movsd
- References: <20040413142230.14941.davide.rossetti@roma1.infn.it>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From hubicka at ucw dot cz 2004-09-21 15:11 -------
Subject: Re: i386.md strangeness in sse2_movsd
>
> ------- Additional Comments From coyote at coyotegulch dot com 2004-09-21 12:55 -------
> Has anyone determined if this should be changed or not?
Yep, the movsd implementation seems to be wrong. (the documentation is
at least supported by my implementation in simplify-rtx even tought I
would expect the semantics to be reversed)
Did you checked the other uses of vec_merge in i386.md for further
inconsistencies?
Honza
>
> --
> What |Removed |Added
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> CC| |coyote at coyotegulch dot
> | |com
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> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14941
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14941