diff options
Diffstat (limited to 'renderscript/clang-include/lzcntintrin.h')
-rw-r--r-- | renderscript/clang-include/lzcntintrin.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/renderscript/clang-include/lzcntintrin.h b/renderscript/clang-include/lzcntintrin.h new file mode 100644 index 0000000..4c00e42 --- /dev/null +++ b/renderscript/clang-include/lzcntintrin.h @@ -0,0 +1,68 @@ +/*===---- lzcntintrin.h - LZCNT intrinsics ---------------------------------=== + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + * + *===-----------------------------------------------------------------------=== + */ + +#if !defined __X86INTRIN_H && !defined __IMMINTRIN_H +#error "Never use <lzcntintrin.h> directly; include <x86intrin.h> instead." +#endif + +#ifndef __LZCNTINTRIN_H +#define __LZCNTINTRIN_H + +/* 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 __DEFAULT_FN_ATTRS +__lzcnt32(unsigned int __X) +{ + return __X ? __builtin_clz(__X) : 32; +} + +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 __DEFAULT_FN_ATTRS +__lzcnt64(unsigned long long __X) +{ + return __X ? __builtin_clzll(__X) : 64; +} + +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 */ |