Add files via upload

2020-07-28 02:52:15 -06:00
parent 01261bc8b6
commit 493fd40dca
3 changed files with 33 additions and 4 deletions
@@ -183,4 +183,17 @@
 #  pragma warning(disable : 4324)        /* disable: C4324: padded structure */
 #endif

+/*Like DYNAMIC_BMI2 but for compile time determination of BMI2 support*/
+#ifndef STATIC_BMI2
+#  if defined(_MSC_VER) && (defined(_M_X64) || defined(_M_I86))  
+#    ifdef __AVX2__  //MSVC does not have a BMI2 specific flag, but every CPU that supports AVX2 also supports BMI2
+#       define STATIC_BMI2 1
+#    endif
+#  endif
+#endif
+
+#ifndef STATIC_BMI2
+    #define STATIC_BMI2 0
+#endif
+
 #endif /* ZSTD_COMPILER_H */