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Fixing issue with ARM64EC and MSVC (#1514) 

Co-authored-by: dominic <510002+dmah42@users.noreply.github.com>
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JbR 2023-02-06 16:58:14 +01:00 committed by GitHub
parent 53df805dc8
commit 4c9cee34f2
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1 changed files with 3 additions and 2 deletions
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src/cycleclock.h
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@ -36,7 +36,8 @@
// declarations of some other intrinsics, breaking compilation.
// Therefore, we simply declare __rdtsc ourselves. See also
// http://connect.microsoft.com/VisualStudio/feedback/details/262047
#if defined(COMPILER_MSVC) && !defined(_M_IX86) && !defined(_M_ARM64)
#if defined(COMPILER_MSVC) && !defined(_M_IX86) && !defined(_M_ARM64) && \
!defined(_M_ARM64EC)
extern "C" uint64_t __rdtsc();
#pragma intrinsic(__rdtsc)
#endif
@ -114,7 +115,7 @@ inline BENCHMARK_ALWAYS_INLINE int64_t Now() {
// when I know it will work. Otherwise, I'll use __rdtsc and hope
// the code is being compiled with a non-ancient compiler.
_asm rdtsc
#elif defined(COMPILER_MSVC) && defined(_M_ARM64)
#elif defined(COMPILER_MSVC) && (defined(_M_ARM64) || defined(_M_ARM64EC))
// See // https://docs.microsoft.com/en-us/cpp/intrinsics/arm64-intrinsics
// and https://reviews.llvm.org/D53115
int64_t virtual_timer_value;