ddidderr/zstd-rs
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge pull request #1032 from facebook/bmi2

Browse Source 
Enable DYNAMIC_BMI2 for clang
This commit is contained in:
Yann Collet
2018-03-05 13:03:24 -08:00
committed by GitHub
parent 403741130d d02b44cf55
commit 99afe72576
1 changed files with 5 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/common/compiler.h
+5 -2
View File
@@ -74,8 +74,11 @@
* 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(__GNUC__) && (__GNUC__ >= 5 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)) \ #if defined(__clang__) \
&& (defined(__x86_64__) || defined(_M_X86)) && !defined(__BMI2__) || (defined(__GNUC__) \
&& (__GNUC__ >= 5 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8))) \
&& (defined(__x86_64__) || defined(_M_X86)) \
&& !defined(__BMI2__)
# define DYNAMIC_BMI2 1 # define DYNAMIC_BMI2 1
#else #else
# define DYNAMIC_BMI2 0 # define DYNAMIC_BMI2 0