Uses clz and bsr instructions for bit counting on ARM64 platforms as well.

git-svn-id: svn://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1413 632fc199-4ca6-4c93-a231-07263d6284db
2014-11-18 15:53:34 +00:00
parent e3ce6852a6
commit f7067a9e73
2 changed files with 4 additions and 1 deletions
--- a/jchuff.c
+++ b/jchuff.c
@@ -37,7 +37,7 @@
 */

 /* NOTE: Both GCC and Clang define __GNUC__ */
-#if defined __GNUC__ && defined __arm__
+#if defined __GNUC__ && (defined __arm__ || defined __aarch64__)
 #if !defined __thumb__ || defined __thumb2__
 #define USE_CLZ_INTRINSIC
 #endif