diff options
| author | Morph <39850852+Morph1984@users.noreply.github.com> | 2023-04-22 22:55:03 -0400 |
|---|---|---|
| committer | Morph <39850852+Morph1984@users.noreply.github.com> | 2023-06-07 21:44:42 -0400 |
| commit | dd12dd4c67dd4bc6e7a7d071b925afc38e687f8b (patch) | |
| tree | 82538e7a48fa6fb6a9a5d51aef925586195c21ed /src/common/x64/cpu_wait.cpp | |
| parent | 9c6fc44a5904bfb158a08407958954ac101a6aaf (diff) | |
x64: Deduplicate RDTSC usage
Diffstat (limited to 'src/common/x64/cpu_wait.cpp')
| -rw-r--r-- | src/common/x64/cpu_wait.cpp | 20 |
1 files changed, 1 insertions, 19 deletions
diff --git a/src/common/x64/cpu_wait.cpp b/src/common/x64/cpu_wait.cpp index cfeef6a3d..c53dd4945 100644 --- a/src/common/x64/cpu_wait.cpp +++ b/src/common/x64/cpu_wait.cpp @@ -9,19 +9,11 @@ #include "common/x64/cpu_detect.h" #include "common/x64/cpu_wait.h" +#include "common/x64/rdtsc.h" namespace Common::X64 { #ifdef _MSC_VER -__forceinline static u64 FencedRDTSC() { - _mm_lfence(); - _ReadWriteBarrier(); - const u64 result = __rdtsc(); - _mm_lfence(); - _ReadWriteBarrier(); - return result; -} - __forceinline static void TPAUSE() { // 100,000 cycles is a reasonable amount of time to wait to save on CPU resources. // For reference: @@ -32,16 +24,6 @@ __forceinline static void TPAUSE() { _tpause(0, FencedRDTSC() + PauseCycles); } #else -static u64 FencedRDTSC() { - u64 eax; - u64 edx; - asm volatile("lfence\n\t" - "rdtsc\n\t" - "lfence\n\t" - : "=a"(eax), "=d"(edx)); - return (edx << 32) | eax; -} - static void TPAUSE() { // 100,000 cycles is a reasonable amount of time to wait to save on CPU resources. // For reference: |