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[Bug target/23360] [4.1 regression] -ffast-math startup broken on i686 (maybe Athlon-xp)
- From: "hjl at lucon dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 12 Aug 2005 20:09:43 -0000
- Subject: [Bug target/23360] [4.1 regression] -ffast-math startup broken on i686 (maybe Athlon-xp)
- References: <20050812184154.23360.tkoenig@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From hjl at lucon dot org 2005-08-12 20:09 -------
As of Tue Aug 9 23:07:05 UTC 2005, it works on my ia32 and EM64T machines. It
could be a regression since then, or a hardware bug.
Your machine has sse while __builtin_ia32_ldmxcsr (mxcsr) segfaults. Please
report
(gdb) p/x $pc
(gdb) info reg
(gdb) disass
when it segfaults.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23360