commit 781b627f8cc112258e97f19cdc79ead15ce1e771
author Jukka Rissanen <jukka.rissanen@linux.intel.com> Wed Jun 10 11:27:25 2015 +0300
committer Anas Nashif <anas.nashif@intel.com> Fri Feb 05 20:14:16 2016 -0500
tree fe9091a34b93e3cbc84a00900d06f362983dd824
parent 6d27b0a33c6d48b075dd4a1363749fe9d591ed59

Add __may_alias macro to GCC toolchain

This is needed when one wants to avoid gcc
"dereferencing type-punned pointer" warnings.

Change-Id: I7bfd68fabb07deb64908cb0eaa833bdc5c8a4e08
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>

include/toolchain/gcc.h

diff --git a/include/toolchain/gcc.h b/include/toolchain/gcc.h
index e9b167f..0c0c0ef 100644
--- a/include/toolchain/gcc.h
+++ b/include/toolchain/gcc.h
@@ -109,6 +109,7 @@
 
 #define __packed        __attribute__((__packed__))
 #define __aligned(x)    __attribute__((aligned(x)))
+#define __may_alias     __attribute__((__may_alias__))
 
 #define ARG_UNUSED(x) (void)(x)