mirror of
https://github.com/jart/cosmopolitan.git
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fa20edc44d
- Remove most __ASSEMBLER__ __LINKER__ ifdefs - Rename libc/intrin/bits.h to libc/serialize.h - Block pthread cancelation in fchmodat() polyfill - Remove `clang-format off` statements in third_party
44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
#if defined(__x86_64__) && !(__ASSEMBLER__ + __LINKER__ + 0)
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#ifndef _X86GPRINTRIN_H_INCLUDED
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# error "Never use <lzcntintrin.h> directly; include <x86gprintrin.h> instead."
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#endif
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#ifndef _LZCNTINTRIN_H_INCLUDED
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#define _LZCNTINTRIN_H_INCLUDED
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#ifndef __LZCNT__
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#pragma GCC push_options
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#pragma GCC target("lzcnt")
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#define __DISABLE_LZCNT__
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#endif
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extern __inline unsigned short __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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__lzcnt16 (unsigned short __X)
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{
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return __builtin_ia32_lzcnt_u16 (__X);
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}
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extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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__lzcnt32 (unsigned int __X)
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{
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return __builtin_ia32_lzcnt_u32 (__X);
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}
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extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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_lzcnt_u32 (unsigned int __X)
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{
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return __builtin_ia32_lzcnt_u32 (__X);
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}
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#ifdef __x86_64__
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extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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__lzcnt64 (unsigned long long __X)
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{
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return __builtin_ia32_lzcnt_u64 (__X);
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}
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extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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_lzcnt_u64 (unsigned long long __X)
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{
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return __builtin_ia32_lzcnt_u64 (__X);
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}
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#endif
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#ifdef __DISABLE_LZCNT__
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#undef __DISABLE_LZCNT__
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#pragma GCC pop_options
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#endif
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#endif
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#endif
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