diff options
Diffstat (limited to 'src/mesa/main/imports.h')
| -rw-r--r-- | src/mesa/main/imports.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/mesa/main/imports.h b/src/mesa/main/imports.h index d28f4ad125..1c263aabca 100644 --- a/src/mesa/main/imports.h +++ b/src/mesa/main/imports.h @@ -404,7 +404,8 @@ _mesa_is_pow_two(int x) static INLINE int32_t _mesa_next_pow_two_32(uint32_t x) { -#ifdef __GNUC__ +#if defined(__GNUC__) && \ + ((__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || __GNUC__ >= 4) uint32_t y = (x != 1); return (1 + y) << ((__builtin_clz(x - y) ^ 31) ); #else @@ -422,7 +423,8 @@ _mesa_next_pow_two_32(uint32_t x) static INLINE int64_t _mesa_next_pow_two_64(uint64_t x) { -#ifdef __GNUC__ +#if defined(__GNUC__) && \ + ((__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || __GNUC__ >= 4) uint64_t y = (x != 1); if (sizeof(x) == sizeof(long)) return (1 + y) << ((__builtin_clzl(x - y) ^ 63)); |