diff options
Diffstat (limited to 'src/common/tuklib_integer.h')
-rw-r--r-- | src/common/tuklib_integer.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/common/tuklib_integer.h b/src/common/tuklib_integer.h index 21256955..aee1ad0d 100644 --- a/src/common/tuklib_integer.h +++ b/src/common/tuklib_integer.h @@ -52,6 +52,12 @@ // and such functions. #if defined(__INTEL_COMPILER) && (__INTEL_COMPILER >= 1500) # include <immintrin.h> +// Only include <intrin.h> when it is needed. GCC and Clang can both +// use __builtin's, so we only need Windows instrincs when using MSVC. +// GCC and Clang can set _MSC_VER on Windows, so we need to exclude these +// cases explicitly. +#elif defined(_MSC_VER) && !TUKLIB_GNUC_REQ(3, 4) && !defined(__clang__) +# include <intrin.h> #endif |