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Use 32-bit registers for rdtscp output.

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This commit is contained in:
Bartosz Taudul 2017-10-29 13:15:43 +01:00
parent 34123de977
commit 68f5a17bca
1 changed files with 2 additions and 2 deletions
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4
client/TracyProfiler.hpp
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@ -54,9 +54,9 @@ public:
const auto t = int64_t( __rdtscp( &cpu ) );
return t;
#elif defined __i386 || defined _M_IX86 || defined __x86_64__ || defined _M_X64
uint64_t eax, edx;
uint32_t eax, edx;
asm volatile ( "rdtscp" : "=a" (eax), "=d" (edx), "=c" (cpu) :: );
return ( edx << 32 ) + eax;
return ( uint64_t( edx ) << 32 ) + uint64_t( eax );
#endif
}
#endif