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Hane 2023-07-12 22:37:20 +02:00
commit 4c4f6f7830
1 changed files with 4 additions and 3 deletions
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src/main.cpp
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@ -16,7 +16,7 @@ Intel(R) 64 and IA-32 Architectures Software Developer's Manual Volume 3 (3A, 3B
*/ */
//#ifdef WIN64
#ifndef DEBUG #ifndef DEBUG
#define DEBUG #define DEBUG
@ -40,9 +40,10 @@ bool checkInvariantTSC(){
uint64_t rdtsc() { uint64_t rdtsc() {
uint64_t raxlo,rdxho; uint64_t raxlo,rdxho;
asm volatile ( ".intel_syntax noprefix\t\n" asm volatile ( ".intel_syntax noprefix\t\n"
"cpuid\n" \ "lfence\n" \
"rdtsc\n" \
//"rdtscp\n" : "=a" (raxlo), "=d" (rdxho), "=c" (aux) : : ); //"rdtscp\n" : "=a" (raxlo), "=d" (rdxho), "=c" (aux) : : );
"rdtscp\n" : "=a" (raxlo), "=d" (rdxho)); "lfence\n" : "=a" (raxlo), "=d" (rdxho));
return (rdxho << 32) + raxlo; //| return (rdxho << 32) + raxlo; //|
} }