Date: Fri, 11 Jan 2002 14:36:59 -0800 From: Terry Lambert <tlambert2@mindspring.com> To: Bakul Shah <bakul@bitblocks.com> Cc: Dan Eischen <eischen@vigrid.com>, arch@freebsd.org Subject: Re: Request for review: getcontext, setcontext, etc Message-ID: <3C3F690B.9A5959A1@mindspring.com> References: <200201112141.QAA25529@devonshire.cnchost.com>
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Bakul Shah wrote: [ ... ] > I am not prepared to speculate on the use of FP & SSE > registers at this point except for one thing: an FP exception > *must* be delivered to whichever thread caused it. Any bugs > in SIGFPE delivery is a separate discussion! [ ... ] Cool. We are all in agreement on this: the thread that caused it is the thread that executes an FPU instruction after an error in an instruction by some FPU using thread, whatever thread that is. 8-p The exception signalling lags the event that was the cause of the exception in x86 hardware, if this wasn't clear... -- Terry To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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