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

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taigacon 2018-04-24 06:41:50 +08:00 committed by Nick Terrell
parent 9de03cd748
commit 2c3ad05812
1 changed files with 2 additions and 2 deletions
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4
lib/common/compiler.h
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@ -77,9 +77,9 @@
* Enabled for clang & gcc >=4.8 on x86 when BMI2 isn't enabled by default. * Enabled for clang & gcc >=4.8 on x86 when BMI2 isn't enabled by default.
*/ */
#ifndef DYNAMIC_BMI2 #ifndef DYNAMIC_BMI2
#if (defined(__clang__) && __has_attribute(__target__)) \ #if ((defined(__clang__) && __has_attribute(__target__)) \
|| (defined(__GNUC__) \ || (defined(__GNUC__) \
&& (__GNUC__ >= 5 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8))) \ && (__GNUC__ >= 5 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)))) \
&& (defined(__x86_64__) || defined(_M_X86)) \ && (defined(__x86_64__) || defined(_M_X86)) \
&& !defined(__BMI2__) && !defined(__BMI2__)
# define DYNAMIC_BMI2 1 # define DYNAMIC_BMI2 1