| 133,4 → 133,34 |
|---|
| return ret; |
| } |
| |
| #if defined(CONFIG_ARCH_SUPPORTS_INT128) && defined(__SIZEOF_INT128__) |
| |
| #ifndef mul_u64_u32_shr |
| static inline u64 mul_u64_u32_shr(u64 a, u32 mul, unsigned int shift) |
| { |
| return (u64)(((unsigned __int128)a * mul) >> shift); |
| } |
| #endif /* mul_u64_u32_shr */ |
| |
| #else |
| |
| #ifndef mul_u64_u32_shr |
| static inline u64 mul_u64_u32_shr(u64 a, u32 mul, unsigned int shift) |
| { |
| u32 ah, al; |
| u64 ret; |
| |
| al = a; |
| ah = a >> 32; |
| |
| ret = ((u64)al * mul) >> shift; |
| if (ah) |
| ret += ((u64)ah * mul) << (32 - shift); |
| |
| return ret; |
| } |
| #endif /* mul_u64_u32_shr */ |
| |
| #endif |
| |
| #endif /* _LINUX_MATH64_H */ |