This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
Re: [Bug target/14941] i386.md strangeness in sse2_movsd
- From: Jan Hubicka <hubicka at ucw dot cz>
- To: coyote at coyotegulch dot com <gcc-bugzilla at gcc dot gnu dot org>
- Cc: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 21 Sep 2004 17:11:19 +0200
- Subject: Re: [Bug target/14941] i386.md strangeness in sse2_movsd
- References: <20040413142230.14941.davide.rossetti@roma1.infn.it> <20040921125543.3552.qmail@sourceware.org>
>
> ------- 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
> ----------------------------------------------------------------------------
> CC| |coyote at coyotegulch dot
> | |com
>
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14941