From 83e8be5202702a7c9d00fa8ca9d654e2c285cb85 Mon Sep 17 00:00:00 2001 From: Mathieu Desnoyers Date: Wed, 29 Jun 2011 13:02:45 -0400 Subject: [PATCH] Update README info about gcc compability Signed-off-by: Mathieu Desnoyers --- README | 2 ++ 1 file changed, 2 insertions(+) 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. -- 2.34.1