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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

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