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>
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>> >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
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