Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 7 Jan 1997 13:37:45 +1100
From:      Bruce Evans <bde@zeta.org.au>
To:        bde@zeta.org.au, terry@lambert.org
Cc:        cracauer@wavehh.hanse.de, freebsd-current@FreeBSD.org
Subject:   Re: i586-optimized copyin/out still broken
Message-ID:  <199701070237.NAA02917@godzilla.zeta.org.au>

next in thread | raw e-mail | index | archive | help
>> >I filled a PR (2142) about it, maybe it could be closed then.
>> 
>> That is much harder to fix.  It is caused by the floating point state
>> not being preserved across signal handlers.  There are few, if any,
>
>Is it possible to do a lazy save of the FPU state?

Harder 8-).  No other way is acceptable (always saving would slow down
all signal handlers significantly to support to 0.1% of signal handlers
that use floating point correctly).

Bruce



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199701070237.NAA02917>