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| author | hjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-09-21 15:57:04 +0000 |
|---|---|---|
| committer | hjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-09-21 15:57:04 +0000 |
| commit | 6e0cdf5440bd29255f3d200618011552aef83e42 (patch) | |
| tree | 65bbc87af8014e7e630a85e38a43a998d31b039a /gcc/config | |
| parent | 9b5bb817601313b990bd1076e9db72019367cd42 (diff) | |
| download | gcc-6e0cdf5440bd29255f3d200618011552aef83e42.tar.gz | |
Add MULX intrinsics.
gcc/
2011-09-21 Kirill Yukhin <kirill.yukhin@intel.com>
* config/i386/bmi2intrin.h (_mulx_u64): New.
(_mulx_u32): Ditto.
gcc/testsuite/
2011-09-21 Kirill Yukhin <kirill.yukhin@intel.com>
* gcc.target/i386/bmi2-mulx32-2.c: New test.
* gcc.target/i386/bmi2-mulx32-2a.c: Ditto.
* gcc.target/i386/bmi2-mulx64-2.c: Ditto.
* gcc.target/i386/bmi2-mulx64-2a.c: Ditto.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@179050 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config')
| -rw-r--r-- | gcc/config/i386/bmi2intrin.h | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/gcc/config/i386/bmi2intrin.h b/gcc/config/i386/bmi2intrin.h index a72c9a985ee..4c13a70adab 100644 --- a/gcc/config/i386/bmi2intrin.h +++ b/gcc/config/i386/bmi2intrin.h @@ -76,6 +76,27 @@ _pext_u64 (unsigned long long __X, unsigned long long __Y) return __builtin_ia32_pext_di (__X, __Y); } -#endif /* __x86_64__ */ +extern __inline unsigned long long +__attribute__((__gnu_inline__, __always_inline__, __artificial__)) +_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__ */ + +extern __inline unsigned int +__attribute__((__gnu_inline__, __always_inline__, __artificial__)) +_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_INCLUDED */ |