From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Wed, 29 Jun 2011 17:02:45 +0000 (-0400)
Subject: Update README info about gcc compability
X-Git-Tag: v0.6.4~16
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=83e8be5202702a7c9d00fa8ca9d654e2c285cb85;p=userspace-rcu.git

Update README info about gcc compability

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/README b/README
index 44a4bf5..1e76f2d 100644
--- a/README
+++ b/README
@@ -39,6 +39,8 @@ supported, with the following exceptions:
   therefore not compatible with liburcu on x86 32-bit (i386, i486, i586, i686).
   The problem has been reported to the gcc community:
     http://www.mail-archive.com/gcc-bugs@gcc.gnu.org/msg281255.html
+- gcc 3.3 cannot match the "xchg" instruction on 32-bit x86 build.
+  See: http://kerneltrap.org/node/7507
 - Alpha, ia64 and ARM architectures depend on 4.x gcc with atomic builtins
   support.