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| author | Erik Kundiman <erik@megapahit.org> | 2025-06-19 17:41:15 +0800 |
|---|---|---|
| committer | Erik Kundiman <erik@megapahit.org> | 2025-06-19 17:41:15 +0800 |
| commit | 1e2c621af65cd1bde8ad122be4d4a6d4bb578f25 (patch) | |
| tree | ea8da471d97f03cbd4a5607484e1f908f52a302c | |
| parent | 1b3041f3d8e09257a5fb90786adbe48bc0304a79 (diff) | |
Alternative to rdtsc, for Windows arm64
Just copying from this:
https://forum.juce.com/t/windows-arm64-support/47572/6
This commit is for getting rid of the compile error for now,
we don't know yet if this will work correctly or not.
| -rw-r--r-- | indra/llcommon/llfasttimer.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/indra/llcommon/llfasttimer.h b/indra/llcommon/llfasttimer.h index a69a03e419..8499655bfa 100644 --- a/indra/llcommon/llfasttimer.h +++ b/indra/llcommon/llfasttimer.h @@ -99,7 +99,11 @@ public: #if LL_FASTTIMER_USE_RDTSC static U32 getCPUClockCount32() { +#if _M_ARM64 + unsigned __int64 val = _ReadStatusReg(ARM64_PMCCNTR_EL0); +#else unsigned __int64 val = __rdtsc(); +#endif val = val >> 8; return static_cast<U32>(val); } @@ -107,7 +111,11 @@ public: // return full timer value, *not* shifted by 8 bits static U64 getCPUClockCount64() { +#if _M_ARM64 + return static_cast<U64>( _ReadStatusReg(ARM64_PMCCNTR_EL0) ); +#else return static_cast<U64>( __rdtsc() ); +#endif } #else |