diff options
| -rw-r--r-- | intern/cycles/util/util_simd.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/intern/cycles/util/util_simd.h b/intern/cycles/util/util_simd.h index 7c15199d4e1..a1c35b7174d 100644 --- a/intern/cycles/util/util_simd.h +++ b/intern/cycles/util/util_simd.h @@ -58,8 +58,12 @@ __forceinline operator int ( ) const { return std::numeric_limits< /* Intrinsics Functions */ #if defined(__BMI__) && defined(__GNUC__) -#define _tzcnt_u32 __tzcnt_u32 -#define _tzcnt_u64 __tzcnt_u64 +# ifndef _tzcnt_u32 +# define _tzcnt_u32 __tzcnt_u32 +# endif +# ifndef _tzcnt_u64 +# define _tzcnt_u64 __tzcnt_u64 +# endif #endif #if defined(__LZCNT__) |