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eliminate high-latency IDIV CPU instruction #9

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eliminate high-latency IDIV CPU instruction #9

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4 changes: 1 addition & 3 deletions libs/exanic/time.c
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Original file line number Diff line number Diff line change
Expand Up @@ -71,9 +71,7 @@ void exanic_cycles_to_timespec(exanic_t *exanic, exanic_cycles_t cycles,

int64_t exanic_cycles_to_ns(exanic_t *exanic, exanic_cycles_t cycles)
{
struct timespec ts;
exanic_cycles_to_timespec(exanic, cycles, &ts);
return ts.tv_sec * NANOS_PER_SEC + ts.tv_nsec;
return cycles * NANOS_PER_SEC / exanic->tick_hz;
}

int64_t exanic_cycles_to_ps(exanic_t *exanic, exanic_cycles_t cycles,
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