From: David Howells <dhowells@redhat.com>
To: kernel mailz <kernelmailz@googlemail.com>
Cc: gcc-help@gcc.gnu.org, linuxppc-dev@ozlabs.org
Subject: Re: Inline Assembly queries
Date: Mon, 29 Jun 2009 16:57:16 +0100 [thread overview]
Message-ID: <30098.1246291036@redhat.com> (raw)
In-Reply-To: <abe8a1fd0906290849w1ba6bd33of60a9c2e110c10fd@mail.gmail.com>
kernel mailz <kernelmailz@googlemail.com> wrote:
> asm("sync");
Isn't gcc free to discard this as it has no dependencies, no indicated side
effects, and isn't required to be kept? I think this should probably be:
asm volatile("sync");
David
next prev parent reply other threads:[~2009-06-29 15:57 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-27 19:46 Inline Assembly queries kernel mailz
[not found] ` <abe8a1fd0906271249k479e5a87gfe1ee9c02798a234@mail.gmail.com>
[not found] ` <m3ab3t4623.fsf@google.com>
2009-06-28 4:57 ` kernel mailz
2009-06-29 15:49 ` kernel mailz
2009-06-29 19:27 ` Scott Wood
2009-06-30 5:27 ` kernel mailz
2009-06-30 10:41 ` Benjamin Herrenschmidt
2009-06-29 21:29 ` Ian Lance Taylor
2009-06-30 5:53 ` kernel mailz
2009-06-30 9:30 ` Andrew Haley
2009-06-30 9:52 ` Paul Mackerras
2009-06-29 15:57 ` David Howells [this message]
2009-06-29 21:27 ` Ian Lance Taylor
2009-06-30 10:43 ` Benjamin Herrenschmidt
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