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Merge pull request #10173 from Alcaro/patch-1

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Avoid overflow when calculating multiplying performance counter
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hizzlekizzle 2020-02-28 18:30:13 -06:00 committed by GitHub
commit ad03277e3c
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libretro-common/features/features_cpu.c
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@ -225,7 +225,7 @@ retro_time_t cpu_features_get_time_usec(void)
if (!QueryPerformanceCounter(&count))
return 0;
return count.QuadPart * 1000000 / freq.QuadPart;
return (count.QuadPart / freq.QuadPart * 1000000) + (count.QuadPart % freq.QuadPart * 1000000 / freq.QuadPart);
#elif defined(__CELLOS_LV2__)
return sys_time_get_system_time();
#elif defined(GEKKO)