{"id":296710,"date":"2020-01-03T15:00:25","date_gmt":"2020-01-03T15:00:25","guid":{"rendered":"http:\/\/savepearlharbor.com\/?p=296710"},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T21:00:00","slug":"","status":"publish","type":"post","link":"https:\/\/savepearlharbor.com\/?p=296710","title":{"rendered":"Compile time \u043e\u0431\u0444\u0443\u0441\u043a\u0430\u0446\u0438\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f NAND\/NOR"},"content":{"rendered":"\n
\n

\u0412\u0432\u0435\u0434\u0435\u043d\u0438\u0435.<\/h2>\n

\u0412\u0441\u0435, \u043a\u0442\u043e \u0445\u043e\u0440\u043e\u0448\u043e \u0437\u043d\u0430\u043a\u043e\u043c \u0441 \u0441\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u043c \u0421++ \u0441\u043b\u044b\u0448\u0430\u043b, \u0447\u0442\u043e \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 \u0421++11 \u0432 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442 \u0431\u044b\u043b \u0432\u0432\u0435\u0434\u0435\u043d \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440 constexpr, \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u043c\u043e\u0436\u043d\u043e \u043f\u0440\u043e\u0432\u043e\u0434\u0438\u0442\u044c \u043b\u0438\u043c\u0438\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0435 compile-time \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u044f. \u0412 \u043f\u043e\u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0435 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u044b \u0431\u044b\u043b\u0438 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u044b if constexpr<\/a> \u0438 constexpr lambdas<\/a> \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0432 \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0441\u0442\u0435\u043f\u0435\u043d\u0438 \u0441\u043d\u0438\u043c\u0430\u044e\u0442 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u044f \u0438 \u043f\u043e\u043c\u043e\u0433\u0430\u044e\u0442 \u043f\u0438\u0441\u0430\u0442\u044c \u043a\u043e\u0434 \u0441 compile time \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u044f\u043c\u0438. \u0421\u0435\u0433\u043e\u0434\u043d\u044f \u043c\u044b \u043f\u043e\u0433\u043e\u0432\u043e\u0440\u0438\u043c \u043e\u0431 \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u043e\u0439 \u043a\u043e\u0434\u043e\u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u0438 \u0432 compile time.
<\/a> <\/p>\n

\u0412\u044b\u0431\u0438\u0440\u0430\u0435\u043c \u0431\u0430\u0437\u0443 \u0434\u043b\u044f compile-time \u0413\u041f\u0421\u0427<\/h2>\n

\u0414\u043b\u044f \u0442\u043e\u0433\u043e \u0447\u0442\u043e\u0431\u044b \u0432\u044b\u0431\u0438\u0440\u0430\u0442\u044c \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u044b\u0439 path \u0434\u043b\u044f \u043a\u043e\u0434\u0430 \u0432 compile time, \u043d\u0443\u0436\u0435\u043d constexpr \u0413\u041f\u0421\u0427<\/a> c \u0445\u043e\u0440\u043e\u0448\u0438\u043c\u0438 \u0432\u044b\u0445\u043e\u0434\u043d\u044b\u043c\u0438 \u0434\u0430\u043d\u043d\u044b\u043c\u0438, \u0434\u043b\u044f \u044d\u0442\u043e\u0433\u043e \u044f \u0432\u044b\u0431\u0440\u0430\u043b \u0433\u0435\u043d\u0435\u0440\u0430\u0442\u043e\u0440 xorshift<\/a>, \u043a\u0441\u0442\u0430\u0442\u0438 xorshift <\/a>\u043f\u0440\u043e\u0445\u043e\u0434\u0438\u0442 \u044d\u043c\u043f\u0438\u0440\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0442\u0435\u0441\u0442\u044b BigCrush (TestU01)<\/a>.<\/p>\n

xorshift256++<\/b><\/p>\n
\n
#include <stdint.h>  \/* This is xoshiro256++ 1.0, one of our all-purpose, rock-solid generators.    It has excellent (sub-ns) speed, a state (256 bits) that is large    enough for any parallel application, and it passes all tests we are    aware of.     For generating just floating-point numbers, xoshiro256+ is even faster.     The state must be seeded so that it is not everywhere zero. If you have    a 64-bit seed, we suggest to seed a splitmix64 generator and use its    output to fill s. *\/  static inline uint64_t rotl(const uint64_t x, int k) { \treturn (x << k) | (x >> (64 - k)); }   static uint64_t s[4];  uint64_t next(void) { \tconst uint64_t result = rotl(s[0] + s[3], 23) + s[0];  \tconst uint64_t t = s[1] << 17;  \ts[2] ^= s[0]; \ts[3] ^= s[1]; \ts[1] ^= s[2]; \ts[0] ^= s[3];  \ts[2] ^= t;  \ts[3] = rotl(s[3], 45);  \treturn result; }   \/* This is the jump function for the generator. It is equivalent    to 2^128 calls to next(); it can be used to generate 2^128    non-overlapping subsequences for parallel computations. *\/  void jump(void) { \tstatic const uint64_t JUMP[] = { 0x180ec6d33cfd0aba, 0xd5a61266f0c9392c, 0xa9582618e03fc9aa, 0x39abdc4529b1661c };  \tuint64_t s0 = 0; \tuint64_t s1 = 0; \tuint64_t s2 = 0; \tuint64_t s3 = 0; \tfor(int i = 0; i < sizeof JUMP \/ sizeof *JUMP; i++) \t\tfor(int b = 0; b < 64; b++) { \t\t\tif (JUMP[i] & UINT64_C(1) << b) { \t\t\t\ts0 ^= s[0]; \t\t\t\ts1 ^= s[1]; \t\t\t\ts2 ^= s[2]; \t\t\t\ts3 ^= s[3]; \t\t\t} \t\t\tnext();\t \t\t} \t\t \ts[0] = s0; \ts[1] = s1; \ts[2] = s2; \ts[3] = s3; }    \/* This is the long-jump function for the generator. It is equivalent to    2^192 calls to next(); it can be used to generate 2^64 starting points,    from each of which jump() will generate 2^64 non-overlapping    subsequences for parallel distributed computations. *\/  void long_jump(void) { \tstatic const uint64_t LONG_JUMP[] = { 0x76e15d3efefdcbbf, 0xc5004e441c522fb3, 0x77710069854ee241, 0x39109bb02acbe635 };  \tuint64_t s0 = 0; \tuint64_t s1 = 0; \tuint64_t s2 = 0; \tuint64_t s3 = 0; \tfor(int i = 0; i < sizeof LONG_JUMP \/ sizeof *LONG_JUMP; i++) \t\tfor(int b = 0; b < 64; b++) { \t\t\tif (LONG_JUMP[i] & UINT64_C(1) << b) { \t\t\t\ts0 ^= s[0]; \t\t\t\ts1 ^= s[1]; \t\t\t\ts2 ^= s[2]; \t\t\t\ts3 ^= s[3]; \t\t\t} \t\t\tnext();\t \t\t} \t\t \ts[0] = s0; \ts[1] = s1; \ts[2] = s2; \ts[3] = s3; } <\/code><\/pre>\n
  <\/div>\n<\/div>\n
  \u0418\u0437 \u044d\u0442\u043e\u0433\u043e \u043d\u0430\u043c \u043f\u043e\u043d\u0430\u0434\u043e\u0431\u044f\u0442\u0441\u044f \u0442\u043e\u043b\u044c\u043a\u043e \u0444\u0443\u043d\u043a\u0446\u0438\u0438 rotl \u0438 next, \u0447\u0442\u043e\u0431\u044b \u043d\u0435 \u0434\u0435\u043b\u0430\u0442\u044c \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u044f \u0441\u043b\u0438\u0448\u043a\u043e\u043c \u0434\u043e\u043b\u0433\u0438\u043c\u0438. \u041f\u0435\u0440\u0435\u0434\u0430\u044e \u043f\u043b\u0430\u043c\u0435\u043d\u043d\u044b\u0439 \u043f\u0440\u0438\u0432\u0435\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0430\u043c \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u0430 MSVC, \u0432\u0432\u0438\u0434\u0443 \u0431\u0430\u0433\u043e\u0432 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u0430 \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0438\u043b\u0438\u0441\u044c \u0432 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0435 \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u0438\u044f, \u043e\u0431 \u044d\u0442\u043e\u043c \u0431\u0443\u0434\u0435\u0442 \u0441\u043a\u0430\u0437\u0430\u043d\u043e \u043d\u0438\u0436\u0435.<\/p>\n
  \u041a\u0430\u043a \u0432\u0438\u0434\u043d\u043e \u0438\u0437 \u043a\u043e\u0434\u0430 \u0432\u044b\u0448\u0435, \u043d\u0430\u043c \u043d\u0443\u0436\u043d\u043e \u0447\u0435\u0442\u044b\u0440\u0435 64 \u0431\u0438\u0442\u043d\u044b\u0445 \u0441\u0442\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0445 \u0434\u043b\u044f \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u044f, \u0434\u043b\u044f \u0442\u043e\u0433\u043e \u0447\u0442\u043e\u0431\u044b \u0434\u0430\u043d\u043d\u044b\u0439 \u043a\u043e\u0434 \u0440\u0430\u0431\u043e\u0442\u0430\u043b \u0432 compile time, \u043d\u0443\u0436\u043d\u043e \u043e\u0442 \u043d\u0438\u0445 \u0438\u0437\u0431\u0430\u0432\u0438\u0442\u044c\u0441\u044f \u043f\u0435\u0440\u0435\u0434\u0430\u0432\u0430\u044f \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u043e\u0435 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u043e\u0432. \u041e\u0440\u0433\u0430\u043d\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u044d\u0442\u043e \u043c\u043e\u0436\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f constexpr hash fnv1 \u0438 \u043c\u0430\u043a\u0440\u043e\u0441 __COUNTER__ <\/a>, \u043f\u0435\u0440\u0435\u043f\u0438\u0448\u0435\u043c \u043a\u043e\u0434 \u0432 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0438 \u0441 \u044d\u0442\u0438\u043c \u0438 \u043f\u043e\u043b\u0443\u0447\u0438\u043c \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u0435:<\/p>\n
compile time \u0413\u041f\u0421\u0427<\/b><\/p>\n
\n
#include <cstdint> #define STRING(s) #s  \/\/ an enumeration can also be used here template <typename T, T value> constexpr T ensure_constexpr() {   return value; } #define CONSTEXPR(x) ensure_constexpr<decltype(x), x>()  constexpr uint64_t fnv1impl(uint64_t h, const char* s) {   return (*s == 0)              ? h              : fnv1impl((h * 1099511628211ull) ^ static_cast<uint64_t>(*s),                         s + 1); }  constexpr uint64_t fnv1(const char* s) {   return fnv1impl(14695981039346656037ull, s); }  template <uint64_t n> constexpr uint64_t get_seed(const uint64_t x,                             const uint64_t y = CONSTEXPR(fnv1(STRING(n)))) {   return x ^ y * n; }  #define SEED CONSTEXPR(get_seed<__COUNTER__ + 1>(fnv1(__TIME__)))  \/\/! Rotate left by constexpr uint64_t rotl(uint64_t x, int k) {   return (x << k) | (x >> (64 - k)); }  \/\/! XorShift 256 compile time random implementation template <uint64_t a, uint64_t b, uint64_t c, uint64_t d> constexpr uint64_t xorshift256_next() {   uint64_t s[4] = {a, b, c, d};   const uint64_t t = s[1] << 17;    s[2] ^= s[0];   s[3] ^= s[1];   s[1] ^= s[2];   s[0] ^= s[3];    s[2] ^= t;    s[3] = rotl(s[3], 45);    return rotl(s[0] + s[3], 23) + s[0]; }  #define RND                                                         \\   xorshift256_next<                                                 \\       CONSTEXPR(SEED + __COUNTER__), CONSTEXPR(SEED + __COUNTER__), \\       CONSTEXPR(SEED + __COUNTER__), CONSTEXPR(SEED + __COUNTER__)>() <\/code><\/pre>\n
  <\/div>\n<\/div>\n
  <\/p>\n
\u041f\u043e\u0434 \u043a\u0430\u043f\u043e\u0442\u043e\u043c<\/h2>\n
  \u0422\u0435\u043f\u0435\u0440\u044c \u043d\u0430\u043c \u043d\u0443\u0436\u043d\u043e \u0443\u0431\u0435\u0434\u0438\u0442\u044c\u0441\u044f, \u0447\u0442\u043e \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u044b \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u00ab\u0441\u0432\u043e\u0440\u0430\u0447\u0438\u0432\u0430\u044e\u0442\u00bb \u043a\u043e\u0434 \u0432 compile time.
  \u0421\u043e\u0431\u0438\u0440\u0430\u0435\u043c \u043a\u043e\u0434 \u043d\u0438\u0436\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f GCC 9.2.1 \u0432 \u0434\u0435\u0431\u0430\u0433\u0435 g++ _.cpp -S -masm=intel<\/p>\n
#include \"compile_random.h\" #include <iostream>  int main() {   std::cout << RND << std::endl;   std::cout << RND << std::endl; } <\/code><\/pre>\n
  <\/p>\n
\u0425\u043e\u0447\u0443 \u0432\u0438\u0434\u0435\u0442\u044c \u0441\u0442\u0440\u0430\u0448\u0438\u043b\u043a\u0438<\/b><\/p>\n
 .file \"_.cpp\"
   .intel_syntax noprefix
   .text
   .section .text._Z4rotlmi,\"axG\",@progbits,_Z4rotlmi,comdat
   .weak _Z4rotlmi
   .type _Z4rotlmi, @function
  _Z4rotlmi:
  .LFB4:
   .cfi_startproc
   push rbp
   .cfi_def_cfa_offset 16
   .cfi_offset 6, -16
   mov rbp, rsp
   .cfi_def_cfa_register 6
   mov QWORD PTR [rbp-8], rdi
   mov DWORD PTR [rbp-12], esi
   mov eax, DWORD PTR [rbp-12]
   mov rdx, QWORD PTR [rbp-8]
   mov ecx, eax
   rol rdx, cl
   mov rax, rdx
   pop rbp
   .cfi_def_cfa 7, 8
   ret
   .cfi_endproc
  .LFE4:
   .size _Z4rotlmi, .-_Z4rotlmi
   .section .rodata
   .type _ZStL19piecewise_construct, @object
   .size _ZStL19piecewise_construct, 1
  _ZStL19piecewise_construct:
   .zero 1
   .local _ZStL8__ioinit
   .comm _ZStL8__ioinit,1,1
   .text
   .globl main
   .type main, @function
  main:
  .LFB1528:
   .cfi_startproc
   push rbp
   .cfi_def_cfa_offset 16
   .cfi_offset 6, -16
   mov rbp, rsp
   .cfi_def_cfa_register 6
   call _Z16xorshift256_nextILm5485350875583313748ELm17102255921242957812ELm10344467890162128540ELm2938160962983216444EEmv<\/b>
   mov rsi, rax
   mov edi, OFFSET FLAT:_ZSt4cout
   call _ZNSolsEm
   mov esi, OFFSET FLAT:_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_
   mov rdi, rax
   call _ZNSolsEPFRSoS_E
   call _Z16xorshift256_nextILm14555066043003024868ELm7653162274090525828ELm823244081203417900ELm11935748167621739468EEmv<\/b>
   mov rsi, rax
   mov edi, OFFSET FLAT:_ZSt4cout
   call _ZNSolsEm
   mov esi, OFFSET FLAT:_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_
   mov rdi, rax
   call _ZNSolsEPFRSoS_E
   mov eax, 0
   pop rbp
   .cfi_def_cfa 7, 8
   ret
   .cfi_endproc
  .LFE1528:
   .size main, .-main
   .section .text._Z16xorshift256_nextILm5485350875583313748ELm17102255921242957812ELm10344467890162128540ELm2938160962983216444EEmv,\"axG\",@progbits,_Z16xorshift256_nextILm5485350875583313748ELm17102255921242957812ELm10344467890162128540ELm2938160962983216444EEmv,comdat
   .weak _Z16xorshift256_nextILm5485350875583313748ELm17102255921242957812ELm10344467890162128540ELm2938160962983216444EEmv
   .type _Z16xorshift256_nextILm5485350875583313748ELm17102255921242957812ELm10344467890162128540ELm2938160962983216444EEmv, @function
  _Z16xorshift256_nextILm5485350875583313748ELm17102255921242957812ELm10344467890162128540ELm2938160962983216444EEmv:
  .LFB1790:
   .cfi_startproc
   push rbp
   .cfi_def_cfa_offset 16
   .cfi_offset 6, -16
   mov rbp, rsp
   .cfi_def_cfa_register 6
   sub rsp, 48
   movabs rax, 5485350875583313748
   mov QWORD PTR [rbp-48], rax
   movabs rax, -1344488152466593804
   mov QWORD PTR [rbp-40], rax
   movabs rax, -8102276183547423076
   mov QWORD PTR [rbp-32], rax
   movabs rax, 2938160962983216444
   mov QWORD PTR [rbp-24], rax
   mov rax, QWORD PTR [rbp-40]
   sal rax, 17
   mov QWORD PTR [rbp-8], rax
   mov rdx, QWORD PTR [rbp-32]
   mov rax, QWORD PTR [rbp-48]
   xor rax, rdx
   mov QWORD PTR [rbp-32], rax
   mov rdx, QWORD PTR [rbp-24]
   mov rax, QWORD PTR [rbp-40]
   xor rax, rdx
   mov QWORD PTR [rbp-24], rax
   mov rdx, QWORD PTR [rbp-40]
   mov rax, QWORD PTR [rbp-32]
   xor rax, rdx
   mov QWORD PTR [rbp-40], rax
   mov rdx, QWORD PTR [rbp-48]
   mov rax, QWORD PTR [rbp-24]
   xor rax, rdx
   mov QWORD PTR [rbp-48], rax
   mov rax, QWORD PTR [rbp-32]
   xor rax, QWORD PTR [rbp-8]
   mov QWORD PTR [rbp-32], rax
   mov rax, QWORD PTR [rbp-24]
   mov esi, 45
   mov rdi, rax
   call _Z4rotlmi
   mov QWORD PTR [rbp-24], rax
   mov rdx, QWORD PTR [rbp-48]
   mov rax, QWORD PTR [rbp-24]
   add rax, rdx
   mov esi, 23
   mov rdi, rax
   call _Z4rotlmi
   mov rdx, QWORD PTR [rbp-48]
   add rax, rdx
   leave
   .cfi_def_cfa 7, 8
   ret
   .cfi_endproc
  .LFE1790:
   .size _Z16xorshift256_nextILm5485350875583313748ELm17102255921242957812ELm10344467890162128540ELm2938160962983216444EEmv, .-_Z16xorshift256_nextILm5485350875583313748ELm17102255921242957812ELm10344467890162128540ELm2938160962983216444EEmv
   .section .text._Z16xorshift256_nextILm14555066043003024868ELm7653162274090525828ELm823244081203417900ELm11935748167621739468EEmv,\"axG\",@progbits,_Z16xorshift256_nextILm14555066043003024868ELm7653162274090525828ELm823244081203417900ELm11935748167621739468EEmv,comdat
   .weak _Z16xorshift256_nextILm14555066043003024868ELm7653162274090525828ELm823244081203417900ELm11935748167621739468EEmv
   .type _Z16xorshift256_nextILm14555066043003024868ELm7653162274090525828ELm823244081203417900ELm11935748167621739468EEmv, @function
  _Z16xorshift256_nextILm14555066043003024868ELm7653162274090525828ELm823244081203417900ELm11935748167621739468EEmv:
  .LFB1794:
   .cfi_startproc
   push rbp
   .cfi_def_cfa_offset 16
   .cfi_offset 6, -16
   mov rbp, rsp
   .cfi_def_cfa_register 6
   sub rsp, 48
   movabs rax, -3891678030706526748
   mov QWORD PTR [rbp-48], rax
   movabs rax, 7653162274090525828
   mov QWORD PTR [rbp-40], rax
   movabs rax, 823244081203417900
   mov QWORD PTR [rbp-32], rax
   movabs rax, -6510995906087812148
   mov QWORD PTR [rbp-24], rax
   mov rax, QWORD PTR [rbp-40]
   sal rax, 17
   mov QWORD PTR [rbp-8], rax
   mov rdx, QWORD PTR [rbp-32]
   mov rax, QWORD PTR [rbp-48]
   xor rax, rdx
   mov QWORD PTR [rbp-32], rax
   mov rdx, QWORD PTR [rbp-24]
   mov rax, QWORD PTR [rbp-40]
   xor rax, rdx
   mov QWORD PTR [rbp-24], rax
   mov rdx, QWORD PTR [rbp-40]
   mov rax, QWORD PTR [rbp-32]
   xor rax, rdx
   mov QWORD PTR [rbp-40], rax
   mov rdx, QWORD PTR [rbp-48]
   mov rax, QWORD PTR [rbp-24]
   xor rax, rdx
   mov QWORD PTR [rbp-48], rax
   mov rax, QWORD PTR [rbp-32]
   xor rax, QWORD PTR [rbp-8]
   mov QWORD PTR [rbp-32], rax
   mov rax, QWORD PTR [rbp-24]
   mov esi, 45
   mov rdi, rax
   call _Z4rotlmi
   mov QWORD PTR [rbp-24], rax
   mov rdx, QWORD PTR [rbp-48]
   mov rax, QWORD PTR [rbp-24]
   add rax, rdx
   mov esi, 23
   mov rdi, rax
   call _Z4rotlmi
   mov rdx, QWORD PTR [rbp-48]
   add rax, rdx
   leave
   .cfi_def_cfa 7, 8
   ret
   .cfi_endproc
  .LFE1794:
   .size _Z16xorshift256_nextILm14555066043003024868ELm7653162274090525828ELm823244081203417900ELm11935748167621739468EEmv, .-_Z16xorshift256_nextILm14555066043003024868ELm7653162274090525828ELm823244081203417900ELm11935748167621739468EEmv
   .text
   .type _Z41__static_initialization_and_destruction_0ii, @function
  _Z41__static_initialization_and_destruction_0ii:
  .LFB2042:
   .cfi_startproc
   push rbp
   .cfi_def_cfa_offset 16
   .cfi_offset 6, -16
   mov rbp, rsp
   .cfi_def_cfa_register 6
   sub rsp, 16
   mov DWORD PTR [rbp-4], edi
   mov DWORD PTR [rbp-8], esi
   cmp DWORD PTR [rbp-4], 1
   jne .L11
   cmp DWORD PTR [rbp-8], 65535
   jne .L11
   mov edi, OFFSET FLAT:_ZStL8__ioinit
   call _ZNSt8ios_base4InitC1Ev
   mov edx, OFFSET FLAT:__dso_handle
   mov esi, OFFSET FLAT:_ZStL8__ioinit
   mov edi, OFFSET FLAT:_ZNSt8ios_base4InitD1Ev
   call __cxa_atexit
  .L11:
   nop
   leave
   .cfi_def_cfa 7, 8
   ret
   .cfi_endproc
  .LFE2042:
   .size _Z41__static_initialization_and_destruction_0ii, .-_Z41__static_initialization_and_destruction_0ii
   .type _GLOBAL__sub_I_main, @function
  _GLOBAL__sub_I_main:
  .LFB2043:
   .cfi_startproc
   push rbp
   .cfi_def_cfa_offset 16
   .cfi_offset 6, -16
   mov rbp, rsp
   .cfi_def_cfa_register 6
   mov esi, 65535
   mov edi, 1
   call _Z41__static_initialization_and_destruction_0ii
   pop rbp
   .cfi_def_cfa 7, 8
   ret
   .cfi_endproc
  .LFE2043:
   .size _GLOBAL__sub_I_main, .-_GLOBAL__sub_I_main
   .section .init_array,\"aw\"
   .align 8
   .quad _GLOBAL__sub_I_main
   .hidden __dso_handle
   .ident \"GCC: (GNU) 9.2.1 20190827 (Red Hat 9.2.1-1)\"
   .section .note.GNU-stack,\"\",@progbits
  <\/code>  <\/div>\n<\/div>\n
  \u041a\u0430\u043a \u0432\u0438\u0434\u043d\u043e \u0438\u0437 \u0430\u0441\u0441\u0435\u043c\u0431\u043b\u0435\u0440\u043d\u043e\u0433\u043e \u043a\u043e\u0434\u0430 \u0432\u044b\u0448\u0435, \u0444\u0443\u043d\u043a\u0446\u0438\u0438 rotl \u0438 xorshift256_next \u043f\u0440\u0438\u0441\u0443\u0442\u0441\u0442\u0432\u0443\u044e\u0442 \u0432 \u043a\u043e\u0434\u0435, \u043d\u043e \u043d\u0430 \u0441\u0430\u043c\u043e\u043c \u0434\u0435\u043b\u0435 \u044d\u0442\u043e \u043e\u0436\u0438\u0434\u0430\u0435\u043c\u043e\u0435 \u043f\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0435, \u0442\u0430\u043a \u043a\u0430\u043a \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0438 \u0431\u044b\u043b\u0438 \u043e\u0442\u043a\u043b\u044e\u0447\u0435\u043d\u044b.<\/p>\n
  \u041f\u0440\u043e\u0432\u0435\u0440\u0438\u043c \u0441 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u043d\u044b\u043c\u0438 \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u044f\u043c\u0438 g++ _.cpp -S -masm=intel -O2<\/p>\n
\u041c\u043d\u0435 \u0443\u0436\u0435 \u043d\u0435 \u0441\u0442\u0440\u0430\u0448\u043d\u043e, \u044f \u0432\u0438\u0434\u0435\u043b \u0432\u0441\u0451<\/b><\/p>\n
 .file \"_.cpp\"
   .intel_syntax noprefix
   .text
   .section .text.startup,\"ax\",@progbits
   .p2align 4
   .globl main
   .type main, @function
  main:
  .LFB1550:
   .cfi_startproc
   sub rsp, 8
   .cfi_def_cfa_offset 16
   mov edi, OFFSET FLAT:_ZSt4cout
   movabs rsi, 6340608927850167019<\/b>
   call _ZNSo9_M_insertImEERSoT_
   mov rdi, rax
   call _ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_
   mov edi, OFFSET FLAT:_ZSt4cout
   movabs rsi, -1433878323375531419<\/b>
   call _ZNSo9_M_insertImEERSoT_
   mov rdi, rax
   call _ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_
   xor eax, eax
   add rsp, 8
   .cfi_def_cfa_offset 8
   ret
   .cfi_endproc
  .LFE1550:
   .size main, .-main
   .p2align 4
   .type _GLOBAL__sub_I_main, @function
  _GLOBAL__sub_I_main:
  .LFB2064:
   .cfi_startproc
   sub rsp, 8
   .cfi_def_cfa_offset 16
   mov edi, OFFSET FLAT:_ZStL8__ioinit
   call _ZNSt8ios_base4InitC1Ev
   mov edx, OFFSET FLAT:__dso_handle
   mov esi, OFFSET FLAT:_ZStL8__ioinit
   mov edi, OFFSET FLAT:_ZNSt8ios_base4InitD1Ev
   add rsp, 8
   .cfi_def_cfa_offset 8
   jmp __cxa_atexit
   .cfi_endproc
  .LFE2064:
   .size _GLOBAL__sub_I_main, .-_GLOBAL__sub_I_main
   .section .init_array,\"aw\"
   .align 8
   .quad _GLOBAL__sub_I_main
   .local _ZStL8__ioinit
   .comm _ZStL8__ioinit,1,1
   .hidden __dso_handle
   .ident \"GCC: (GNU) 9.2.1 20190827 (Red Hat 9.2.1-1)\"
   .section .note.GNU-stack,\"\",@progbits
  <\/code>  <\/div>\n<\/div>\n
  \u0423\u0440\u0430! \u043f\u043e\u043b\u0443\u0447\u0430\u0435\u043c \u0442\u043e, \u0447\u0442\u043e \u043e\u0436\u0438\u0434\u0430\u043b\u0438, \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440 \u0440\u0430\u0437\u0432\u0435\u0440\u043d\u0443\u043b 2 \u0432\u044b\u0437\u043e\u0432\u0430 \u043c\u0430\u043a\u0440\u043e\u0441\u0430 RND \u0432 2 \u0438\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u0438 mov. \u041f\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u043e\u0432 clang \u0438 MSVC \u0432 RELEASE MODE \u0430\u043d\u0430\u043b\u043e\u0433\u0438\u0447\u043d\u043e\u0435. \u041c\u043e\u0436\u043d\u043e \u043f\u0435\u0440\u0435\u0445\u043e\u0434\u0438\u0442\u044c \u043a compile time \u043a\u043e\u0434\u043e\u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u0438.<\/p>\n
  \u0414\u043b\u044f \u043f\u043e\u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u0433\u043e \u043f\u043e\u043d\u0438\u043c\u0430\u043d\u0438\u044f, \u043d\u0443\u0436\u043d\u043e \u043e\u0437\u043d\u0430\u043a\u043e\u043c\u0438\u0442\u044c\u0441\u044f \u0441 \u0443\u043d\u0438\u0432\u0435\u0440\u0441\u0430\u043b\u044c\u043d\u044b\u043c\u0438 \u043b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u0438\u043c\u0438 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430\u043c\u0438
  NOR <\/a>(\u0421\u0442\u0440\u0435\u043b\u043a\u0430 \u043f\u0438\u0440\u0441\u0430) NAND <\/a>(\u0428\u0442\u0440\u0438\u0445 \u0428\u0435\u0444\u0444\u0435\u0440\u0430) \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043c\u043e\u0436\u043d\u043e \u043f\u043e\u0441\u0442\u0440\u043e\u0438\u0442\u044c \u0430\u0431\u0441\u043e\u043b\u044e\u0442\u043d\u043e \u0432\u0441\u044e \u043b\u043e\u0433\u0438\u043a\u0443. \u042f \u043d\u0435 \u0431\u0443\u0434\u0443 \u043f\u0440\u0438\u043b\u0430\u0433\u0430\u0442\u044c \u0432\u0435\u0441\u044c \u043a\u043e\u0434 \u0434\u043b\u044f \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 & | ^ ++ \u2014 , \u0440\u0430\u0437\u0431\u0435\u0440\u0451\u043c \u0442\u043e\u043b\u044c\u043a\u043e \u043e\u0434\u0438\u043d \u043f\u0440\u0438\u043c\u0435\u0440 \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u043e\u0439 \u0432\u044b\u0431\u043e\u0440\u043a\u0438 \u0448\u0430\u0431\u043b\u043e\u043d\u043d\u043e\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 NAND, \u0432 \u043e\u0441\u0442\u0430\u043b\u044c\u043d\u044b\u0445 \u044d\u043c\u0443\u043b\u0438\u0440\u0443\u0435\u043c\u044b\u0445 \u0438\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u044f\u0445 \u043f\u0440\u0438\u043d\u0446\u0438\u043f \u0432\u044b\u0431\u043e\u0440\u043a\u0438 \u0442\u0430\u043a\u043e\u0439 \u0436\u0435.<\/p>\n
  \u0414\u0430\u0432\u0430\u0439\u0442\u0435 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043c, \u0447\u0442\u043e \u0443 \u043d\u0430\u0441 \u0435\u0441\u0442\u044c 5 template \u0438\u043c\u043f\u043b\u0435\u043c\u0435\u043d\u0442\u0430\u0446\u0438\u0439 NAND \u0432\u044b\u0431\u043e\u0440\u043a\u0443 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043c\u044b \u0445\u043e\u0442\u0438\u043c \u0440\u0430\u043d\u0434\u043e\u043c\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u0442\u044c.<\/p>\n
\/\/! (Not a) Or (Not b) template <typename T> FORCEINLINE T Nand_1(volatile T a, volatile T b) {   return Or<T>(Not<T>(a), Not<T>(b)); } \/\/! Not(a And b) template <typename T> FORCEINLINE T Nand_2(volatile T a, volatile T b) {   return Not<T>(And<T>(a, b)); } \/\/! Not ((Not a) Nor (Not b)) template <typename T> FORCEINLINE T Nand_3(volatile T a, volatile T b) {   return Not<T>(Nor<T>(Not<T>(a), Not<T>(b))); } \/\/! (Not a) Or (Not b) template <typename T> FORCEINLINE T Nand_4(volatile T a, volatile T b) {   return Or<T>(Not<T>(a), Not<T>(b)); } \/\/! ((Not a) And b) Xor (Not b) template <typename T> FORCEINLINE T Nand_5(volatile T a, volatile T b) {   return Xor<T>(And<T>(Not<T>(a), b), Not<T>(b)); } <\/code><\/pre>\n
  \u0414\u043b\u044f \u044d\u0442\u043e\u0433\u043e \u043d\u0430\u043c \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u0435:<\/p>\n
template <typename T, const uint64_t n> FORCEINLINE volatile T NandR(volatile T a, volatile T b) {   switch (n % 5) {     case 0:       return Nand_1<T>(a, b);     case 1:       return Nand_2<T>(a, b);     case 2:       return Nand_3<T>(a, b);     case 3:       return Nand_4<T>(a, b);     case 4:       return Nand_5<T>(a, b);     default:       return Nand_1<T>(a, b);   } } <\/code><\/pre>\n
  \u0412\u044b\u0437\u044b\u0432\u0430\u0442\u044c\u0441\u044f \u0432 \u043a\u043e\u0434\u0435 \u044d\u0442\u043e \u043c\u043e\u0436\u0435\u0442 \u0432\u043e\u0442 \u0442\u0430\u043a:<\/p>\n
NandR<uint64_t, RND>(a,b) <\/code><\/pre>\n
  \u041a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440 \u043e\u0441\u0442\u0430\u0432\u0438\u0442 \u0442\u043e\u043b\u044c\u043a\u043e 1 \u0432\u044b\u0437\u043e\u0432 \u0444\u0443\u043d\u043a\u0446\u0438\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0431\u0443\u0434\u0435\u0442 \u0432\u044b\u0431\u0440\u0430\u043d \u0432 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0438 \u0441 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u043e\u043c \u043e\u0442 \u043c\u0430\u043a\u0440\u043e\u0441\u0430 RND, \u0442\u0430\u043a \u043a\u0430\u043a \u0447\u0438\u0441\u043b\u043e \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u043e \u043d\u0430 \u043c\u043e\u043c\u0435\u043d\u0442 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0446\u0438\u0438. RND \u2014 \u044d\u0442\u043e \u043c\u0430\u043a\u0440\u043e\u0441 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c xorshift + fnv1 + __COUNTER__ \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043e\u0431\u0441\u0443\u0436\u0434\u0430\u043b\u0441\u044f \u0432\u044b\u0448\u0435. \u0422\u0430\u043a \u0436\u0435 \u0434\u043b\u044f \u0443\u0434\u043e\u0431\u0441\u0442\u0432\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0431\u044b\u043b \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043f\u0440\u0438\u043c\u0438\u0442\u0438\u0432\u043d\u044b\u0439 \u0448\u0430\u0431\u043b\u043e\u043d\u043d\u044b\u0439 \u043a\u043b\u0430\u0441\u0441 CNNInt<> \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0432 \u0441\u0435\u0431\u0435 \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u0442 \u043f\u0435\u0440\u0435\u0433\u0440\u0443\u0437\u043a\u0438 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u044b\u0445 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u043e\u0432, \u0447\u0442\u043e\u0431\u044b \u0443\u043b\u0443\u0447\u0448\u0438\u0442\u044c \u0447\u0438\u0442\u0430\u0435\u043c\u043e\u0441\u0442\u044c \u043a\u043e\u0434\u0430.<\/p>\n
  \u0420\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u0433\u0435\u043d\u0435\u0440\u0438\u0440\u0443\u0435\u043c\u044b\u0439 \u0430\u0441\u0441\u0435\u043c\u0431\u043b\u0435\u0440\u043d\u044b\u0439 \u043a\u043e\u0434 \u0438 DIFF \u0434\u0432\u0443\u0445 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0446\u0438\u0439 \u0434\u043b\u044f \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u0438:<\/p>\n
uint64_t diff_me(uint64_t x) {   using u64 = uint64_t;   CNNInt<u64> r(std::chrono::system_clock::now().time_since_epoch().count());   CNNInt<u64> test(x);   test++;   test--;   test|=r;   test^=r;   test&=r;   test^=r;   test = ~test;   return test.value(); } <\/code><\/pre>\n
  \"image\"<\/p>\n
  \"image\"<\/p>\n
  \u0410\u043d\u0430\u043b\u0438\u0437 \u043f\u0440\u043e\u0432\u043e\u0434\u0438\u043b\u0441\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f \u0443\u0442\u0438\u043b\u0438\u0442\u0443 relyze, DIFF \u0434\u0432\u0443\u0445 \u0431\u0438\u043d\u0430\u0440\u043d\u0438\u043a\u043e\u0432 \u043f\u043e\u043a\u0430\u0437\u0430\u043b \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442:<\/p>\n
81.13%  diff_me  -  diff_me<\/code><\/pre>\n
  \u041f\u043e\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u043d\u0430 \u0444\u0443\u043d\u043a\u0446\u0438\u044e diff_me \u043f\u043e\u0434 \u0434\u0435\u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u0430\u043c\u0438:<\/p>\n
  1. Ghidra<\/a><\/p>\n
ulong diff_me(ulong param_1)  {   ulong uVar1;   ulong uVar2;   ulong uVar3;   ulong uVar4;      uVar1 = now();   uVar2 = ~uVar1;   uVar3 = ~(param_1 & ~param_1 & uVar1) & (param_1 | ~param_1 & uVar1);   uVar4 = ~uVar3;   uVar3 = (~(uVar3 & uVar2 | uVar4) | uVar3 & uVar2 & uVar4 | uVar2) & (uVar1 & uVar3 | uVar4) |           uVar2;   uVar4 = ~uVar3 & uVar2;   return (uVar1 & ~uVar3 | uVar3) & (~(uVar4 | uVar3) | uVar4 & uVar3 | uVar2); } <\/code><\/pre>\n
  \u0412 \u043f\u0440\u043e\u0435\u043a\u0442\u0435 \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043f\u0440\u0438\u043c\u0435\u0440\u0430 \u0435\u0441\u0442\u044c \u0435\u0449\u0435 \u043e\u0434\u043d\u0430 \u0444\u0443\u043d\u043a\u0446\u0438\u044f execute_code, \u0435\u0435 Ghidra \u0434\u0435\u043a\u043e\u043c\u043f\u0438\u043b\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043d\u0435 \u0441\u043c\u043e\u0433\u043b\u0430.<\/p>\n
  2. Hopper<\/a><\/p>\n
int _Z7diff_mem(long arg0) {     rax = std::chrono::_V2::system_clock::now();     rax = (rax & !((!(!(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax) & !rax | !(!(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax))) | !(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax) & !rax & !(!(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax)) | !rax) & (rax & !(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax) | !(!(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax))) | !rax) | !!((!(!(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax) & !rax | !(!(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax))) | !(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax) & !rax & !(!(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax)) | !rax) & (rax & !(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax) | !(!(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax))) | !rax)) & (!(!((!(!(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax) & !rax | !(!(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax))) | !(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax) & !rax & !(!(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax)) | !rax) & (rax & !(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax) | !(!(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax))) | !rax) & !rax | !!((!(!(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax) & !rax | !(!(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax))) | !(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax) & !rax & !(!(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax)) | !rax) & (rax & !(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax) | !(!(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax))) | !rax)) | !((!(!(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax) & !rax | !(!(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax))) | !(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax) & !rax & !(!(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax)) | !rax) & (rax & !(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax) | !(!(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax))) | !rax) & !rax & !!((!(!(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax) & !rax | !(!(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax))) | !(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax) & !rax & !(!(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax)) | !rax) & (rax & !(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax) | !(!(arg0 & !arg0 & rax) & (arg0 | !arg0 & rax))) | !rax) | !rax);     return rax; } <\/code><\/pre>\n
  3. RetDec <\/a><\/p>\n
\/\/ Address range: 0x401320 - 0x4013a3 \/\/ Demangled:     diff_me(unsigned long) int64_t _Z7diff_mem(int64_t a1) {     \/\/ 0x401320     g14 = a1;     int64_t v1 = g14; \/\/ 0x401321     int64_t v2 = function_401030(); \/\/ 0x401324 _ZNSt6chrono3_V212system_clock3nowEv();     g14 = 0;     return -1 - ((v2 & -1 - v1 | v1) & v2); } <\/code><\/pre>\n
  <\/p>\n
\u0411\u043e\u043d\u0443\u0441\u044b<\/h2>\n
  1. \u0420\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u0439 \u043f\u0440\u043e\u0435\u043a\u0442\u0430<\/a>.<\/p>\n
  2. \u0412\u0435\u0440\u043d\u0435\u043c\u0441\u044f \u043a MSVC \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u0443 (\u0442\u0443\u043b\u0447\u0435\u0439\u043d \u0432\u0435\u0440\u0441\u0438\u0438 16.4.2), \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0446\u0438\u044f \u043f\u0440\u0438\u043c\u0435\u0440\u0430 \u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u0441\u044a\u0435\u0434\u0430\u0435\u0442 \u043e\u0433\u0440\u043e\u043c\u043d\u043e\u0435 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u043f\u0430\u043c\u044f\u0442\u0438 \u0438 \u0437\u0430\u043d\u0438\u043c\u0430\u0435\u0442 \u0431\u043e\u043b\u044c\u0448\u043e\u0435 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0432\u0440\u0435\u043c\u0435\u043d\u0438, \u044f \u0437\u0430\u0440\u0435\u043f\u043e\u0440\u0442\u0438\u043b \u0431\u0430\u0433 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u043d\u043e\u0439 \u043a\u043e\u043c\u0430\u043d\u0434\u0435 MSVC<\/a>, \u0431\u0443\u0434\u0443 \u0440\u0430\u0434 \u0435\u0441\u043b\u0438 \u0432\u044b \u043f\u0440\u043e\u0433\u043e\u043b\u043e\u0441\u0443\u0435\u0442\u0435 \u0437\u0430 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0434\u0430\u043d\u043d\u043e\u0433\u043e \u0431\u0430\u0433\u0430.<\/p>\n
  \u041f\u043e\u0442\u0440\u0435\u0431\u043b\u0435\u043d\u0438\u0435 \u043f\u0430\u043c\u044f\u0442\u0438 \u043f\u0440\u0438 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0446\u0438\u0438 \u0442\u0435\u0441\u0442\u043e\u0432\u043e\u0433\u043e \u043f\u0440\u043e\u0435\u043a\u0442\u0430:<\/p>\n
  <\/p>\n
  \u0421\u0442\u043e\u0438\u0442 \u043e\u0442\u043c\u0435\u0442\u0438\u0442\u044c, \u0447\u0442\u043e \u0441\u0431\u043e\u0440\u043a\u0430 \u0442\u0435\u0441\u0442\u043e\u0432\u043e\u0433\u043e \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f Clang 9.0 \u0438 GCC 9.2.1 \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u0442 \u043f\u0440\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u043c\u043e\u043c\u0435\u043d\u0442\u0430\u043b\u044c\u043d\u043e \u0438 \u043d\u0435 \u043a\u0443\u0448\u0430\u0435\u0442 \u0442\u0430\u043a\u043e\u0435 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u043f\u0430\u043c\u044f\u0442\u0438 \ud83d\ude42<\/p><\/div>\n