Lines Matching refs:rdtsc
42 /* RDTSC from Scott Duplichan */
43 ulong64 rdtsc (void)
48 asm ( " rdtsc ":"=A"(a));
52 asm __volatile__ ("rdtsc\nmovl %%eax,(%0)\nmovl %%edx,4(%0)\n"::"r"(&a):"%eax","%edx");
80 __asm rdtsc
97 timer = rdtsc();
102 return rdtsc() - timer;
