113     inline uintptr_t clz(unsigned int x) { return static_cast<uintptr_t>(__builtin_clz(x)); }  in clz()  argument
114     inline uintptr_t clz(unsigned long int x) { return static_cast<uintptr_t>(__builtin_clzl(x)); }  in clz()  argument
115 …inline uintptr_t clz(unsigned long long int x) { return static_cast<uintptr_t>(__builtin_clzll(x))…  in clz()  argument
134 static inline uintptr_t machine_log2(uintptr_t x) {  in machine_log2()  argument
137     return (number_of_bits<decltype(x)>() - 1) ^ gnu_builtins::clz(x);  in machine_log2()
139     return msvc_intrinsics::bit_scan_reverse(x);  in machine_log2()
141     uintptr_t j, i = x;  in machine_log2()
146     __asm__ __volatile__ ("cntlzd %0,%0" : "+r"(x));  in machine_log2()
147     return 63 - static_cast<intptr_t>(x);  in machine_log2()
149     __asm__ __volatile__ ("cntlzw %0,%0" : "+r"(x));  in machine_log2()
150     return 31 - static_cast<intptr_t>(x);  in machine_log2()
155     x |= (x >> 1);  in machine_log2()
156     x |= (x >> 2);  in machine_log2()
157     x |= (x >> 4);  in machine_log2()
158     x |= (x >> 8);  in machine_log2()
159     x |= (x >> 16);  in machine_log2()
160     x |= (x >> 32);  in machine_log2()
162     __asm__ ("popc %1, %0" : "=r"(count) : "r"(x) );  in machine_log2()
167     if( sizeof(x) > 4 && (uintptr_t tmp = x >> 32) ) { x = tmp; result += 32; }  in machine_log2()
168     if( uintptr_t tmp = x >> 16 ) { x = tmp; result += 16; }  in machine_log2()
169     if( uintptr_t tmp = x >> 8 )  { x = tmp; result += 8; }  in machine_log2()
170     if( uintptr_t tmp = x >> 4 )  { x = tmp; result += 4; }  in machine_log2()
171     if( uintptr_t tmp = x >> 2 )  { x = tmp; result += 2; }  in machine_log2()
173     return (x & 2) ? result + 1 : result;  in machine_log2()
182     inline uint8_t  builtin_bitreverse(uint8_t  x) { return __builtin_bitreverse8 (x); }  in builtin_bitreverse()  argument
183     inline uint16_t builtin_bitreverse(uint16_t x) { return __builtin_bitreverse16(x); }  in builtin_bitreverse()  argument
184     inline uint32_t builtin_bitreverse(uint32_t x) { return __builtin_bitreverse32(x); }  in builtin_bitreverse()  argument
185     inline uint64_t builtin_bitreverse(uint64_t x) { return __builtin_bitreverse64(x); }  in builtin_bitreverse()  argument