diff options
| author | Michael Liao <michael.liao@intel.com> | 2012-10-05 18:50:09 +0000 |
|---|---|---|
| committer | Michael Liao <michael.liao@intel.com> | 2012-10-05 18:50:09 +0000 |
| commit | 4d1499dbfb8b6ebf893ec51a3016d3409706d647 (patch) | |
| tree | 3f007fbf6037d9f1461b185fc46dc9ba1c427726 /lib | |
| parent | abd5fa28199bab926ae983afa511e5a195ac131a (diff) | |
Add intrinsic of MULX in BMI2 header
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165325 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Headers/bmi2intrin.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/lib/Headers/bmi2intrin.h b/lib/Headers/bmi2intrin.h index c60b0c4393..a05cfad3d0 100644 --- a/lib/Headers/bmi2intrin.h +++ b/lib/Headers/bmi2intrin.h @@ -70,6 +70,25 @@ _pext_u64(unsigned long long __X, unsigned long long __Y) return __builtin_ia32_pext_di(__X, __Y); } +static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__)) +_mulx_u64 (unsigned long long __X, unsigned long long __Y, + unsigned long long *__P) +{ + unsigned __int128 __res = (unsigned __int128) __X * __Y; + *__P = (unsigned long long) (__res >> 64); + return (unsigned long long) __res; +} + +#else /* !__x86_64__ */ + +static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__)) +_mulx_u32 (unsigned int __X, unsigned int __Y, unsigned int *__P) +{ + unsigned long long __res = (unsigned long long) __X * __Y; + *__P = (unsigned int) (__res >> 32); + return (unsigned int) __res; +} + #endif /* !__x86_64__ */ #endif /* __BMI2INTRIN_H */ |