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authorFernando Sahmkow <fsahmkow27@gmail.com>2019-02-16 01:04:11 +0100
committerFernandoS27 <fsahmkow27@gmail.com>2019-02-16 03:57:16 +0100
commitecccfe033777d6ae7d29bcf0cfc30412f7d3be24 (patch)
treef6504e5f766a6f8675764124f7d231843de40583 /src/core/core_timing_util.cpp
parentImplement 128 bits Unsigned Integer Multiplication and Division. (diff)
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Diffstat (limited to '')
-rw-r--r--src/core/core_timing_util.cpp8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/core/core_timing_util.cpp b/src/core/core_timing_util.cpp
index 8fc92560a..aab4aa697 100644
--- a/src/core/core_timing_util.cpp
+++ b/src/core/core_timing_util.cpp
@@ -7,6 +7,7 @@
#include <cinttypes>
#include <limits>
#include "common/logging/log.h"
+#include "common/uint128.h"
namespace Core::Timing {
@@ -61,10 +62,9 @@ s64 nsToCycles(u64 ns) {
}
u64 CpuCyclesToClockCycles(u64 ticks) {
- u64 result = ticks;
- result *= CNTFREQ;
- result /= BASE_CLOCK_RATE;
- return static_cast<u64>(result);
+ u128 temporal = Common::Multiply64Into128(ticks, CNTFREQ);
+ std::pair<u64, u64> result = Common::Divide128On64(temporal, BASE_CLOCK_RATE);
+ return result.first;
}
} // namespace Core::Timing