雖然這篇__Builtin_bswap64鄉民發文沒有被收入到精華區：在__Builtin_bswap64這個話題中，我們另外找到其它相關的精選爆讚文章
[爆卦]__Builtin_bswap64是什麼？優點缺點精華區懶人包
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#1C++ __builtin_bswap64函數代碼示例- 純淨天空
本文整理匯總了C++中__builtin_bswap64函數的典型用法代碼示例。如果您正苦於以下問題：C++ __builtin_bswap64函數的具體用法？C++ __builtin_bswap64怎麽用？
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#2How can I reorder the bytes of an integer? [duplicate] - Stack ...
Built-in Function: uint64_t __builtin_bswap64 (uint64_t x) Similar to __builtin_bswap32, except the argument and return types are 64 bit.
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#3Other Builtins (Using the GNU Compiler Collection (GCC))
All these functions have corresponding versions prefixed with __builtin_ , which may be used ... Built-in Function: uint64_t __builtin_bswap64 (uint64_t x).
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#4利用gcc的预定义宏和内置函数(Built-in Functions)实现大小端 ...
Similar to __builtin_bswap16, except the argument and return types are 32 bit. — Built-in Function: uint64_t __builtin_bswap64 (uint64_t x)
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#5_byteswap_uint64, _byteswap_ulong, _byteswap_ushort ...
crt_byteswap.c #include <stdlib.h> int main() { unsigned __int64 u64 = 0x0102030405060708; unsigned long ul = 0x01020304; printf("byteswap ...
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#6byteswap.h source code [include/bits/byteswap.h] - Woboq ...
111, return __builtin_bswap64 (__bsx);. 112, }. 113, # elif __WORDSIZE == 64. 114, # define __bswap_64 (x) \. 115, (__extension__ \. 116, ({ __uint64_t __v, ...
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#7波波逸思的部落格:: 隨意窩Xuite日誌
而windows visutal C++有直接提供__rdtscp function來使用, ... static inline uint64_t __rdtscp(unsigned int *aux) ... int64_t __builtin_bswap64 (int64_t x).
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#8No compiler built-in swap64 and swap32 for clang · Issue #227
2019年7月4日 — Cyan4973 commented on Jul 9, 2019. Could it work to just add clang as compatible with __builtin_bswap64() ?
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#9C++ (Cpp) __builtin_bswap32 Examples - HotExamples
... sizeof(y)); memcpy(&z, Data + Size - sizeof(z), sizeof(z)); x = __builtin_bswap64(x); y = __builtin_bswap32(y); z = __builtin_bswap32(z); const bool ...
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#10如何让GCC为没有内建函数的大端商店生成bswap指令？ - 问答
uint64_t __builtin_bswap64 (uint64_t x) 从GNU C 4.3开始，GNU C就有了。 这显然是让gcc / clang生成不吸引代码的最可靠的方法。
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#11Supported GCC non-vector built-in functions - IBM
... __builtin_atanhl; __builtin_atanl; __builtin_bcmp; __builtin_bcopy; __builtin_bswap16; __builtin_bswap32; __builtin_bswap64; __builtin_bzero ...
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#12Clang Language Extensions — Clang 15.0.0git documentation
Prior to Clang 10, __has_builtin could not be used to detect most builtin ... __builtin_bswap16; __builtin_bswap32; __builtin_bswap64; __builtin_clrsb ...
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#13大端、小端转换（笔记） - 知乎专栏
... < 56)) __extension__ static __inline __uint64_t __bswap_64 (__uint64_t __bsx) { #if __GNUC_PREREQ (4, 3) return __builtin_bswap64 (__bsx); ...
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#14boost/endian/detail/intrinsic.hpp - 1.61.0
#ifndef BOOST_ENDIAN_NO_INTRINSICS #ifndef __has_builtin // Optional of course ... __builtin_bswap64(x) // Linux systems provide the byteswap.h header, ...
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#15endian.h source code [ClickHouse/contrib/capnproto/c++/src ...
62, #define CAPNP_WIRE_BYTE_ORDER __ORDER_BIG_ENDIAN__ ... 160, uint64_t swapped = __builtin_bswap64(value);. 161, T result;. 162, memcpy(&result, &swapped, ...
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#16Add gcc __builtin_bswap*() support for unaligned references
[RFC,06/10] tools: Add gcc __builtin_bswap*() support for unaligned references ... *_p) +{ + return __builtin_bswap64(get_unaligned_le64(_p)); +} + +static ...
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#17lib/librte_eal/common/include/generic/rte_byteorder.h Source ...
58 #if defined __BYTE_ORDER__ ... 61 #elif __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ ... 213 #define rte_bswap64(x) __builtin_bswap64(x).
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#18behaviotree_cpp_v3: base.h Source File - ROS Documentation
363 #define FLATBUFFERS_BYTESWAP64 __builtin_bswap64. 364 #endif. 365 if (sizeof(T) == 1) { // Compile-time if-then's. 366 return t;.
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#19关于C#：如何重新排序整数的字节？ | 码农家园
Built-in Function: uint64_t __builtin_bswap64 (uint64_t x) Similar to __builtin_bswap32, except the argument and return types are 64 bit.
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#20v8: include/v8config.h Source File - v8docs
46 #elif defined(__GNUC__) && defined(__GNUC_MINOR__). 47 # define V8_GNUC_PREREQ(major, ... 182 // V8_HAS_BUILTIN_BSWAP64 - __builtin_bswap64() supported.
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#214c0803d16504079f58c85f88f37...
Cast __builtin_swap64 to uint64_t. strace 4.19 causes clang to emit a ... It seems like __builtin_bswap64 should be ULiULi on 64-bit architectures, ...
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#221531244 - Use __builtin_bswap64 in crypto_primitives.h
FREEBL_HTONLL dones't use builtin function when using gcc/clang on non-x86_64. If __builtin_bswap64 is available, we should use it.
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#23Unaligned accesses in C/C++: what, why and solutions to do it ...
One disadvantage is that it relies on a non-standard builtin (__builtin_bswap64). GCC and Clang support it, and MSVC has equivalents: ...
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#24C/C++中的未对齐现象、原因及解决办法 - 先知社区
这种方法的优点是我们仍然不会破坏任何对齐规则，可以使用自然的CPU字节序来加载整数（删除 __builtin_bswap64 语句），并且编写起来不大可能出错。
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#25objc-private.h - Apple Open Source
#include "message.h" */ #define __APPLE_API_PRIVATE #include "objc-gdb.h" ... #if __LP64__ uint32_t ptr_hash(uint64_t key) { key -= __builtin_bswap64(key); ...
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#26Question : copy byte-reversed uint64_t to uint8_t array
*(uint64_t *)upub+33 = __builtin_bswap64(some64bitvalue);. but I end up with the error: lvalue required as left operand of assignment.
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#27Understanding GCC Builtins to Develop Better Tools - arXiv
__builtin_bswap64 other (bitwise operation). 347 / 18.8%. __sync_fetch_and_add sync. 332 / 18.0%. __builtin_ctz other (bitwise operation).
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#28如何在C++ 中的big-endian 和little-endian 值之间进行转换？
您还可以使用汇编内部函数，例如x86 上的bswap 指令。 __builtin_bswap64 在海湾合作委员会和国际刑事法院。从VS7.0 开始，VS 中也有类似的东西。
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#29Beware the builtins - Hardwarebug
__builtin_bswap64 : Byte-swap a 64-bit word. __builtin_clz: Count leading ... The code for __builtin_ctz is reasonable for ARMv6 and earlier:
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#30src/mongo/platform/endian.h Source File - MongoDB C++ ...
79 #if __has_builtin(__builtin_bswap64). 80 #define MONGO_UINT64_SWAB(v) __builtin_bswap64(v). 81 #endif. 82 #elif defined(__GNUC__) && (__GNUC__ >= 4).
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#31如何在C++中的big-endian和little-endian值之间进行转换？
unsigned __int64 _byteswap_uint64(unsigned __int64 value); ... int32_t __builtin_bswap32 (int32_t x) int64_t __builtin_bswap64 (int64_t x).
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#32How to configure K60 to big-endian? - NXP Community
Similar to __builtin_bswap16, except the argument and return types are 32 bit. uint64_t __builtin_bswap64 (uint64 t x) [Built-in Function].
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#33LLVM: SwapByteOrder.h Source File - Formal Verification at ...
... defined(__llvm__) || \ 00060 (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)) && !defined(__ICC) 00061 return __builtin_bswap64(value); 00062 ...
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#34【C】將位元組反轉的uint64_t複製到uint8_t陣列 - 程式人生
因為memcopy不把bswap64的內建結果作為源引數（或者是它？），我試過這個： *(uint64_t *)upub+33 = __builtin_bswap64 ...
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#35endian_inl_utils.h - Android Code Search
return __builtin_bswap64(x);. #elif defined(__x86_64__). uint64_t swapped_bytes;. __asm__ volatile("bswapq %0" : "=r"(swapped_bytes) : "0"(x));.
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#36core/base/inc/Byteswap.h Source File - ROOT
83 * -- Brian Bockelman, August 2018. 84 */. 85#ifdef R__USEASMSWAP. 86# define Rbswap_64(x) __builtin_bswap64(x). 87#endif. 88. 89#endif /* Byteswap.h */.
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#37CoCalc -- lfsr.c
N = __builtin_bswap64(N); //move back 32 to the front. 33. return (p+__builtin_parity(N))%2; //overall parity. 34. } 35. 36. int read_lfsr(LFSR* L).
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#38libmicrohttpd: w32/common/MHD_config.h | Fossies
18 #ifdef __clang__ 19 #define HAVE_C_VARARRAYS 1 20 #endif 21 22 ... to 1 if you have __builtin_bswap64() builtin function */ 33 #define ...
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#39src/include/port/pg_bswap.h Source File
76 /* implementation of uint64 pg_bswap64(uint64) */. 77 #if defined(HAVE__BUILTIN_BSWAP64). 78. 79 #define pg_bswap64(x) __builtin_bswap64(x).
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#40LFCS: The LLVMLinux project - LWN.net
Even if you called this with a constant input, the compiler sure can't optimize it now. The right answer isn't even __builtin_bswap64, it's to ...
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#41GCC 的builtin 函数整理 - ytxytx的纸篓
int __builtin_ffsll(long long x); ... int __builtin_clzll(unsigned long long x); ... uint64_t __builtin_bswap64(uint64_t x);
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#42Select Your Style - Forum - Public Medium | E & ICT IITK
int64_t __builtin_bswap64 (int64_t x). (no need to include something). Afaik bits.h declares the same function in a non gcc-centric way as ...
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#43d74d705a071ec42b9889da1cf1...
... which is 10x slower on mancouch than the GCC compiler intrinsic __builtin_bswap64: Run on (24 X 2400 MHz CPU s) 2019-11-06 12:20:30 ...
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#44如何在C++中的大端值和小端值之間轉換？ - IT閱讀
您還可以使用程式集內在函式，例如x86上的bswap指令。 GCC和ICC中的 __builtin_bswap64 。從VS7.0開始，VS中的情況與此類似。
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#45CentOS5编译安装sysstat - 墨天轮
... __builtin_bswap32(unsigned short a) { return (a>>24)|(a>>8)|(a<<8)|(a<<24); } static inline unsigned short __builtin_bswap64(unsigned ...
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#46__builtin_bswap64 not available on ccs Studio - gitmemory
__builtin_bswap64 not available on ccs Studio #17. the functrion dosent exists on ccs stduio. Make software development more efficient, Also welcome to join ...
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#47bits.cpp Source File
20 #define __has_builtin(x) 0 // Compatibility with non-clang compilers ... __has_builtin(__builtin_bswap32) && __has_builtin(__builtin_bswap64)) \.
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#48src/lib/utils/bswap.h Source File - Botan
28 return __builtin_bswap16(val);. 29#else. 30 return static_cast<uint16_t>((val ... 40 return __builtin_bswap32(val); ... 69 return __builtin_bswap64(val);.
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#49Embed assembler to manipulate 64-bit registers in portable C++
unsigned __int64 _byteswap_uint64(unsigned __int64); // Visual C++ int64_t __builtin_bswap64 (int64_t x). // GCC. Don't resort to assembly every time ...
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#50include/uapi/linux/swab.h - Linux source code (v5.16.1) - Elixir ...
... #ifdef __HAVE_BUILTIN_BSWAP64__ #define __swab64(x) (__u64)__builtin_bswap64((__u64)(x)) #else #define __swab64(x) \ (__builtin_constant_p((__u64)(x)) ?
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#51Macros to swap the order of bytes in integer values. Copyright ...
#define __bswap_constant_16(x) \ ((unsigned short int)((((x) >> 8) & 0xffu) ... __inline __uint64_t __bswap_64 (__uint64_t __bsx) { return __builtin_bswap64 ...
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#52[lvm-devel] master - configure: check for __builtin_clz()
... +# __builtin_bswap16 +# __builtin_bswap32 +# __builtin_bswap64 +# __builtin_choose_expr +# __builtin___clear_cache +# __builtin_clrsb +# ...
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#53如何在C ++中的大端值和小端值之间转换？ - QA Stack
uint32_t __builtin_bswap32 (uint32_t x) uint64_t __builtin_bswap64 (uint64_t x). （无需添加任何内容）。Afaik bits.h也以非gcc为中心的方式声明了相同的功能。
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#54Htonl() vs __builtin_bswap32() - Pretag - Pretagteam
Step 3 continued with unsigned __int64 _byteswap_uin. ... uint32_t __builtin_bswap32(uint32_t x) uint64_t __builtin_bswap64(uint64_t x).
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#55[PATCH] Add replacement endian.h and byteswap.h to libgnu
... +#define bswap_32(x) __builtin_bswap32(x) +#define bswap_64(x) __builtin_bswap64(x) + +#endif diff --git a/libgnu/endian.in.
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#56749831 – dev-libs/nettle-3.6-r2[doc] fails src_configure without ...
checking whether byte ordering is bigendian... yes checking for __builtin_bswap64... yes checking for __attribute__... yes checking for ...
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#57builtin/endian.h - chrome-ec - Gitiles - coreboot
return __builtin_bswap32(in);. } static inline uint64_t be64toh(uint64_t in). {. return __builtin_bswap64(in);. } #define htobe16 be16toh.
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#58How do I convert between big-endian and little ... - Stackify
unsigned __int64 _byteswap_uint64(unsigned __int64 value); ... uint32_t __builtin_bswap32 (uint32_t x) uint64_t __builtin_bswap64 (uint64_t x).
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#59Other Built-in Functions Provided by GCC - Fedora
All these functions have corresponding versions prefixed with __builtin_, ... Built-in Functionuint64_t__builtin_bswap64(uint64_tx)Similar to ...
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#60LCOV - GT 6 gram5 Test Coverage - /Applications/Xcode.app ...
... 68 : __DARWIN_OS_INLINE 69 : __uint64_t 70 : _OSSwapInt64( 71 : __uint64_t _data 72 : ) 73 : { 74 : return __builtin_bswap64(_data); 75 ...
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#613月| Terark 创始人雷鹏
inline unsigned long byte_swap(unsigned long x) { return __builtin_bswap64(x); }. inline long byte_swap(long x) { return ...
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#62OSDev.org • View topic - x86 vs ARM (android) integer ...
bswap64 on x86 is defined to __bswap_64 and on arm its __builtin_bswap64. bswap32 on x86 is defined to __bswap_32 and on arm its ...
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#63Systems/C Compiler
Support GCC's __builtin_bswap16() , __builtin_bswap32() and __builtin_bswap64() builtins. Generated code will use hardware instructions when allowed by the ...
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#64reverse_bytes.cpp Source File - MRPT
19 #define __has_builtin(x) 0 // Compatibility with non-clang compilers. 20 #endif. 21 #if ( \ ... 23 __has_builtin(__builtin_bswap64)) || \.
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#651457 G++ 4.5.0: __builtin_bswap32 errors with templates
GCC. Passing __builtin_bswap32 or __builtin_bswap64 (or assumedly any builtin function) as an argument to a template will cause that ...
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#66"undefined reference to `__builtin_bswap64'" on mips64el ...
... uint64_t y = __builtin_bswap64(x); ; return 0; } $ gcc -c test.c $ gcc test.c /tmp//ccw1b7KO.o: In function `main': test.c:(.text+0x2c): ...
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#67x86: use compiler intrinsics for bswap - src - FreeBSD source ...
-#define __bswap16_gen(x) (__uint16_t)((x) << 8 | (x) >> 8). -#define __bswap32_gen(x) \ ... +#define __bswap64(x) __builtin_bswap64(x).
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#68New in 10.3.2: C++17 for Win64 – target all Windows with the ...
__builtin_constant_p (EXPRESSION) ? (EXPRESSION) : -1, ... if (__builtin_expect(x, 0)) {. common();. } ... i += __builtin_bswap64(ll);.
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#69如何在C ++中的big-endian和little-endian之间进行转换？
unsigned __int64 _byteswap_uint64(unsigned __int64 value); ... int32_t __builtin_bswap32 (int32_t x) int64_t __builtin_bswap64 (int64_t x).
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#70[PATCH v2 bpf-next 1/2] libbpf: make bpf_endian co-exist with ...
... -2,8 +2,35 @@ #ifndef __BPF_ENDIAN__ #define __BPF_ENDIAN__ -#include ... define __bpf_be64_to_cpu(x) __builtin_bswap64(x) # define ...
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#71series - Patchwork - OzLabs
__builtin_bswap64 (y); #else return x != y; #endif } int test3ll(long long x) { #if __SIZEOF_LONG_LONG__ == 8 return __builtin_bswap64(x) == 12345; ...
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#72GCC提供的几个內建函数- 胖子一刚 - 博客园
GCC, __builtin_ffs[l,ll,imax], Built-in functions, unsigned int, ... Built-in Function: int64_t __builtin_bswap64 ( int64_t x ).
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#73Mark some built-in functions as constexpr - Visual Studio ...
GCC and Clang provides constexpr __builtin_bswap16, __builtin_bswap32, __builtin_bswap64 (analogues for _byteswap_ushort, _byteswap_ulong, _byteswap_uint64).
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#74GCC特性笔记 - 极客分享
#if defined __GNUC__ && defined __GNUC_MINOR__ ... unsigned long long __builtin_bswap64(unsigned long long) 交换8字节，用于大小端转换。
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#75uint64_t value creating from 8 bytes - Programming Questions
uint64_t number = 1; number = __builtin_bswap64(number);. Byte swapping magic! :slight_smile: SHTIRLITZ April 15, 2018, 1:24pm #6. Koepel:
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#76Need help with compiling NVIDIA_GPU_Computing_SDK
#define __arch_swab32(x) __builtin_bswap32(x) #define __arch_swab64(x) __builtin_bswap64(x) #define __arch_swab16(x) (__builtin_bswap32(x) > ...
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#77Timeline - SQLite
An example showing how to improve performance of sqlite3VdbeSerialPut() using the GCC intrinsic function __builtin_bswap64().
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#78icc：包括omp.h要求byteswap.h - 堆栈内存溢出
/usr/include/bits/byteswap.h(47): error: identifier "__builtin_bswap32" is undefined ... 不幸的是，ICC 11.0不支持 __builtin_bswap32 和 __builtin_bswap64 。
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#79Pro Android Apps Performance Optimization
... __builtin_prefetch __builtin_ffs __builtin_clz __builtin_ctz __builtin_clrsb __builtin_popcount __builtin_parity __builtin_bswap32 __builtin_bswap64 ...
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#80Compiler User Guide: __rev intrinsic - Keil
The __rev intrinsic is available irrespective of the target processor or architecture you are compiling for. However, if the REV instruction is not available on ...
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#81bswap(3) - Linux manual page - man7.org
BSWAP(3) Linux Programmer's Manual BSWAP(3). NAME top. bswap_16, bswap_32, bswap_64 - reverse order of bytes. SYNOPSIS top.