commit 2c3ad058121f0ffa567805a09993c94669f07f3a
author taigacon <taigacon@gmail.com> Tue Apr 24 06:41:50 2018 +0800
committer Nick Terrell <nickrterrell@gmail.com> Mon Apr 23 15:41:50 2018 -0700
tree 77bcc0e4225aabb704e15be4117a7d9def81ef3d
parent 9de03cd748b9dc1b11528aec580e434f28983bb1

Fix the problem that enables DYNAMIC_BMI2 macro by mistake on ARM architecture with Clang (#1110)

lib/common/compiler.h

diff --git a/lib/common/compiler.h b/lib/common/compiler.h
index e90a3bc..b588e11 100644
--- a/lib/common/compiler.h
+++ b/lib/common/compiler.h
@@ -77,9 +77,9 @@
  * Enabled for clang & gcc >=4.8 on x86 when BMI2 isn't enabled by default.
  */
 #ifndef DYNAMIC_BMI2
-  #if (defined(__clang__) && __has_attribute(__target__)) \
+  #if ((defined(__clang__) && __has_attribute(__target__)) \
       || (defined(__GNUC__) \
-          && (__GNUC__ >= 5 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8))) \
+          && (__GNUC__ >= 5 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)))) \
       && (defined(__x86_64__) || defined(_M_X86)) \
       && !defined(__BMI2__)
   #  define DYNAMIC_BMI2 1