diff options
Diffstat (limited to 'lib/Headers/lzcntintrin.h')
| -rw-r--r-- | lib/Headers/lzcntintrin.h | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/lib/Headers/lzcntintrin.h b/lib/Headers/lzcntintrin.h index 35d6659..41e61e9 100644 --- a/lib/Headers/lzcntintrin.h +++ b/lib/Headers/lzcntintrin.h @@ -25,43 +25,44 @@ #error "Never use <lzcntintrin.h> directly; include <x86intrin.h> instead." #endif -#ifndef __LZCNT__ -# error "LZCNT instruction is not enabled" -#endif /* __LZCNT__ */ - #ifndef __LZCNTINTRIN_H #define __LZCNTINTRIN_H -static __inline__ unsigned short __attribute__((__always_inline__, __nodebug__)) +/* Define the default attributes for the functions in this file. */ +#define DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("lzcnt"))) + +static __inline__ unsigned short DEFAULT_FN_ATTRS __lzcnt16(unsigned short __X) { return __X ? __builtin_clzs(__X) : 16; } -static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__)) +static __inline__ unsigned int DEFAULT_FN_ATTRS __lzcnt32(unsigned int __X) { return __X ? __builtin_clz(__X) : 32; } -static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__)) +static __inline__ unsigned int DEFAULT_FN_ATTRS _lzcnt_u32(unsigned int __X) { return __X ? __builtin_clz(__X) : 32; } #ifdef __x86_64__ -static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__)) +static __inline__ unsigned long long DEFAULT_FN_ATTRS __lzcnt64(unsigned long long __X) { return __X ? __builtin_clzll(__X) : 64; } -static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__)) +static __inline__ unsigned long long DEFAULT_FN_ATTRS _lzcnt_u64(unsigned long long __X) { return __X ? __builtin_clzll(__X) : 64; } #endif +#undef DEFAULT_FN_ATTRS + #endif /* __LZCNTINTRIN_H */ |
