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[cpu] tests with preprocessor

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Signed-off-by: r4sas <r4sas@i2pmail.org>
This commit is contained in:
R4SAS 2023-09-07 16:56:53 +00:00
parent c53ad2012c
commit 4a5e16b994
Signed by: r4sas
GPG Key ID: 66F6C87B98EBCFE2
1 changed files with 12 additions and 7 deletions
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19
libi2pd/CPU.cpp
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@ -30,21 +30,26 @@ namespace cpu
inline bool cpu_support_aes()
{
#if (defined(_M_AMD64) || defined(__x86_64__)) || (defined(_M_IX86) || defined(__i386__))
#if (defined(__GNUC__) && __GNUC__ > 4)
# if (defined(__GNUC__) && __GNUC__ > 4)
# warning("CPU: IN GCC!!!")
__builtin_cpu_init();
return __builtin_cpu_supports("aes");
#elif defined(__clang__)
#if __clang_major__ >= 6
# elif (defined(__clang__) && !defined(__GNUC__))
# warning("CPU: IN CLANG!!!")
# warning(__clang__)
# if (__clang_major__ >= 6)
__builtin_cpu_init();
#endif
# endif
return __builtin_cpu_supports("aes");
#elif (defined(_MSC_VER) || (defined(__GNUC__) && __GNUC__ < 5))
# elif (defined(_MSC_VER) || (defined(__GNUC__) && __GNUC__ < 5))
# warning("CPU: IN MSVC!!!")
int cpu_info[4];
__cpuid(cpu_info, 1);
return ((cpu_info[2] & bit_AES) != 0);
#else
# else
# warning("CPU: FALSE")
return false;
#endif
# endif
#else
return false;
#endif