Rename __builtin_cntlz to __builtin_clz.

IA32: add __builtin_clz, __builtin_ctz.


git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2619 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e

1 files changed, 6 insertions, 0 deletions

diff --git a/Changelog b/Changelog
index 18545bd..55a67fa 100644
--- a/Changelog
+++ b/Changelog
@@ -34,6 +34,12 @@
 
 - Language features: support C99 compound literals.
 
+- Built-in function '__builtin_cntlz' (count leading zeros)
+  renamed '__builtin_clz' for GCC / Clang compatibility.
+
+- IA32: added built-in functions __builtin_clz and __builtin_ctz
+  (count leading / trailing zeros).
+
 
 Release 2.3pl2, 2014-05-15
 ==========================