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authorXavier Leroy <xavierleroy@users.noreply.github.com>2017-02-01 12:59:55 +0100
committerGitHub <noreply@github.com>2017-02-01 12:59:55 +0100
commit31f86965bf172fb32f9cca99a292ebdf6cea57b9 (patch)
treeef78d97a02e2dad0e39ccd345288adf3545bb05e /runtime/include
parent71fa5147139f85cb0d14ded74b04b39dd52f776b (diff)
parented55884ea9749f93ffd67f0734da0907fe338102 (diff)
downloadcompcert-kvx-31f86965bf172fb32f9cca99a292ebdf6cea57b9.tar.gz
compcert-kvx-31f86965bf172fb32f9cca99a292ebdf6cea57b9.zip
Merge pull request #159 from AbsInt/builtin_offsetof
Implement offsetof via builtin
Diffstat (limited to 'runtime/include')
-rw-r--r--runtime/include/stddef.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/runtime/include/stddef.h b/runtime/include/stddef.h
index 5bdff564..958720a1 100644
--- a/runtime/include/stddef.h
+++ b/runtime/include/stddef.h
@@ -114,7 +114,7 @@ typedef signed int wchar_t;
#endif
#if defined(_STDDEF_H) && !defined(offsetof)
-#define offsetof(ty,member) ((size_t) &((ty*) NULL)->member)
+#define offsetof(ty,member) (__builtin_offsetof(ty,.member))
#endif
#endif