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Fix performance trace inline asm in os_common.h #492

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Fix performance trace inline asm in os_common.h #492

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3 changes: 2 additions & 1 deletion matrix/matrix-android/matrix-sqlite-lint/src/lemon/os_common.h
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Original file line number Diff line number Diff line change
Expand Up @@ -66,7 +66,8 @@ static int last_page = 0;
#ifdef SQLITE_PERFORMANCE_TRACE
__inline__ unsigned long long int hwtime(void){
unsigned long long int x;
__asm__("rdtsc\n\t"
__asm__ __volatile__(
"rdtsc\n\t"
"mov %%edx, %%ecx\n\t"
:"=A" (x));
return x;
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