Date: Fri, 17 May 2002 11:20:40 -0400 (EDT) From: Andrew Gallatin <gallatin@cs.duke.edu> To: John Baldwin <jhb@FreeBSD.org> Cc: obrien@FreeBSD.org, alpha@FreeBSD.org, Jeff Roberson <jroberson@chesapeake.net>, Doug Rabson <dfr@nlsystems.com>, Alan Cox <alc@cs.rice.edu> Subject: Re: gcc3 & alpha kernels Message-ID: <15589.8136.958487.689590@grasshopper.cs.duke.edu> In-Reply-To: <XFMail.20020516230644.jhb@FreeBSD.org> References: <15587.55941.487432.408302@grasshopper.cs.duke.edu> <XFMail.20020516230644.jhb@FreeBSD.org>
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John Baldwin writes: > > Does it work fine if you back out my hack to alpha/include/atomic.h where > I commented out the zapnot in atomic_cmpset_32()? Nope. It still hangs on boot with the zapnot in place. Am I confused, or is it just plain wrong to blindly zap the high bits? Won't that always make the comparison fail for large unsigned values that GCC didn't mess up on? (eg, *p = 0xffffffff). Drew To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message
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