Retro68/gcc/libgomp/testsuite/libgomp.oacc-c-c++-common/subr.h
2015-08-28 17:33:40 +02:00

47 lines
583 B
C

#if ACC_DEVICE_TYPE_nvidia
#pragma acc routine nohost
static int clock (void)
{
int thetime;
asm __volatile__ ("mov.u32 %0, %%clock;" : "=r"(thetime));
return thetime;
}
#endif
void
delay (unsigned long *d_o, unsigned long delay)
{
int start, ticks;
start = clock ();
ticks = 0;
while (ticks < delay)
ticks = clock () - start;
return;
}
void
delay2 (unsigned long *d_o, unsigned long delay, unsigned long tid)
{
int start, ticks;
start = clock ();
ticks = 0;
while (ticks < delay)
ticks = clock () - start;
d_o[0] = tid;
return;
}