This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[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: 21 Jul 2005 08:47:00 -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 2005-07-21 08:46 -------
(In reply to comment #6)
> with this patch I get an ice on amd64 bootstrap:
> In file included from ../../gcc/unwind-dw2.c:256:
> ../../gcc/config/i386/linux-unwind.h:
> In function 'x86_64_fallback_frame_state':
> ../../gcc/config/i386/linux-unwind.h:55: warning: dereferencing type-punned
> pointer will break strict-aliasing rules
> ../../gcc/unwind.inc: In function '_Unwind_ForcedUnwind':
> ../../gcc/unwind.inc:215: internal compiler error: in create_pre_exit,
> at mode-switching.c:350
>
Pawel, could you check the patch at http://gcc.gnu.org/ml/gcc-patches/2005-
07/msg01128.html if it fixes bootstrap problems on AMD64? Patch works for me
with BOOT_CFLAGS="-02 -msse2" on pentium4, and this is as far as I can test...
--
What |Removed |Added
----------------------------------------------------------------------------
URL| |http://gcc.gnu.org/ml/gcc-
| |patches/2005-
| |07/msg01128.html
Keywords| |patch
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19161