From: Zack Weinberg <zackw@panix.com>
To: Rich Felker <dalias@libc.org>
Cc: gcc@gcc.gnu.org, GNU C Library <libc-alpha@sourceware.org>,
musl@lists.openwall.com
Subject: Re: [musl] Compiler support for erasure of sensitive data
Date: Wed, 9 Sep 2015 12:47:10 -0400 [thread overview]
Message-ID: <CAKCAbMjpOAzS-vHfy27BxHikUeaRziZ1hhmWLX_F2Gt9ajgE7g@mail.gmail.com> (raw)
In-Reply-To: <20150909164228.GD17773@brightrain.aerifal.cx>
On Wed, Sep 9, 2015 at 12:42 PM, Rich Felker <dalias@libc.org> wrote:
> You're making this harder than it needs to be. The "m" constraint is
> the wrong thing to use here. Simply use:
>
> __asm__(""::"r"(ptr):"memory");
Please review my earlier conversation with Adhemerval on exactly this point.
zw
next prev parent reply other threads:[~2015-09-09 16:47 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-09 16:36 Zack Weinberg
2015-09-09 16:39 ` Fwd: " Zack Weinberg
2015-09-09 16:41 ` Zack Weinberg
2015-09-09 16:42 ` Rich Felker
2015-09-09 16:47 ` Zack Weinberg [this message]
2015-09-09 17:13 ` Rich Felker
2015-09-09 18:48 ` [musl] " Zack Weinberg
2015-09-09 20:05 ` Rich Felker
2015-09-09 16:52 ` Paul_Koning
2015-09-09 16:58 ` Zack Weinberg
2015-09-09 17:25 ` [musl] " Rich Felker
2015-09-09 17:54 ` David Edelsohn
2015-09-09 18:02 ` Paul_Koning
2015-09-09 18:11 ` David Edelsohn
2015-09-09 19:03 ` Zack Weinberg
2015-09-09 20:26 ` Szabolcs Nagy
2015-10-22 16:02 ` [musl] " Denys Vlasenko
2015-10-22 16:09 ` Denys Vlasenko
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