From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-279365-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 13171 invoked by alias); 30 Mar 2009 20:27:51 -0000
Received: (qmail 13149 invoked by uid 48); 30 Mar 2009 20:27:41 -0000
Date: Mon, 30 Mar 2009 20:27:00 -0000
Message-ID: <20090330202741.13148.qmail@sourceware.org>
X-Bugzilla-Reason: CC
References: <bug-39590-3511@http.gcc.gnu.org/bugzilla/>
Subject: [Bug inline-asm/39590] inline asm %z on amd64 says "ll" instead of "q"
In-Reply-To: <bug-39590-3511@http.gcc.gnu.org/bugzilla/>
Reply-To: gcc-bugzilla@gcc.gnu.org
To: gcc-bugs@gcc.gnu.org
From: "felix-gcc at fefe dot de" <gcc-bugzilla@gcc.gnu.org>
Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Id: <gcc-bugs.gcc.gnu.org>
List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-help@gcc.gnu.org>
Sender: gcc-bugs-owner@gcc.gnu.org
X-SW-Source: 2009-03/txt/msg02272.txt.bz2



------- Comment #4 from felix-gcc at fefe dot de  2009-03-30 20:27 -------
#include <stddef.h>

#define atomic_add(mem,val) asm volatile ("lock; add%z0 %1, %0": "+m" (mem):
"ir" (val))

int main() {
  size_t foo;
  atomic_add(foo,23);
}


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39590