From mboxrd@z Thu Jan 1 00:00:00 1970 From: James E Wilson Date: Wed, 23 Nov 2005 22:08:24 +0000 Subject: Re: Fix asm constraint in put_user Message-Id: <1132783704.9295.21.camel@aretha.corp.specifix.com> List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org On Mon, 2005-11-21 at 13:26, Andreas Schwab wrote: > James E Wilson writes: > > You could use the "S" constraint here. This isn't used anywhere in > > gcc. This exists solely for use by asms that need a non-postinc MEM. > Alas, it does not work: > sound/oss/rme96xx.c:744: error: 'asm' operand requires impossible reload This is now FSF GCC PR 25008. http://gcc.gnu.org/bugzilla/show_bug.cgi?id%008 And lack of a proper constraint letter for a store destination is FSF GCC PR 24961 which you filed. http://gcc.gnu.org/bugzilla/show_bug.cgi?id$961