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[Bug target/19161] No emms or femms emitted between MMX and FP instructions
- From: "uros at kss-loka dot si" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 25 Jun 2005 07:40:03 -0000
- Subject: [Bug target/19161] No emms or femms emitted between MMX and FP instructions
- References: <20041226201629.19161.rth@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From uros at kss-loka dot si 2005-06-25 07:40 -------
(In reply to comment #8)
> > This is a known problem, with a hack to mode-switching.c at
> > http://gcc.gnu.org/ml/gcc-patches/2005-06/msg01434.html.
> >
> > Please, could you try to apply the mode-switching.c part of the patch
> > and see if it fix an ice for you.
>
> with this hack bootstrap still ices.
>
> ../../gcc/unwind.inc: In function '_Unwind_ForcedUnwind':
> ../../gcc/unwind.inc:215: internal compiler error: in create_pre_exit,
> at mode-switching.c:362
It was a hack anyway :---(
Thanks for the report, I'll try to find a proper fix in the next week.
(BTW: It fails for x86-64, because this target enables mmx by default.)
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19161