From: "H. Peter Anvin" <hpa@zytor.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Linus Torvalds <torvalds@osdl.org>,
Jamie Lokier <jamie@shareable.org>,
Nikita Danilov <Nikita@Namesys.COM>,
linux-kernel@vger.kernel.org
Subject: Re: const versus __attribute__((const))
Date: Tue, 09 Dec 2003 07:42:47 -0800 [thread overview]
Message-ID: <3FD5ED77.6070505@zytor.com> (raw)
In-Reply-To: <200312091256.47414.arnd@arndb.de>
Arnd Bergmann wrote:
>
> For reference, both gcc-3.3 and gcc-3.4 (snapshot) give produce the same assembly
> as gcc-3.2 for your code, but give this warning:
>
> test.c:6: warning: use of memory input without lvalue in asm operand 1 is deprecated
> test.c:7: warning: use of memory input without lvalue in asm operand 1 is deprecated
>
In some ways, this is rather unfortunate, too. What it really means is
that the gcc "m" constraint is overloaded; it would have been better if
they would have created a new modifier (say "*") for "must be lvalue."
-hpa
next prev parent reply other threads:[~2003-12-09 15:45 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-12-08 15:46 const versus __attribute__((const)) Arnd Bergmann
2003-12-08 17:50 ` H. Peter Anvin
2003-12-08 18:27 ` Nikita Danilov
2003-12-08 18:31 ` H. Peter Anvin
2003-12-09 2:59 ` Jamie Lokier
2003-12-09 3:21 ` H. Peter Anvin
2003-12-09 3:49 ` Jamie Lokier
2003-12-09 5:37 ` H. Peter Anvin
2003-12-09 7:26 ` Linus Torvalds
2003-12-09 7:40 ` H. Peter Anvin
2003-12-09 11:56 ` Arnd Bergmann
2003-12-09 15:42 ` H. Peter Anvin [this message]
2003-12-09 16:44 ` Linus Torvalds
2003-12-09 16:51 ` H. Peter Anvin
2003-12-09 19:15 ` Jamie Lokier
2003-12-09 7:19 ` Linus Torvalds
-- strict thread matches above, loose matches on Subject: below --
2003-12-08 1:19 H. Peter Anvin
2003-12-08 12:32 ` Nikita Danilov
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