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herumi / xbyak

a JIT assembler for x86(IA-32)/x64(AMD64, x86-64) MMX/SSE/SSE2/SSE3/SSSE3/SSE4/FPU/AVX/AVX2/AVX-512 by C++ header
BSD 3-Clause "New" or "Revised" License
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WAITPKG #143

Closed Wunkolo closed 2 years ago

Wunkolo commented 2 years ago

Creating this issue to track interest in the WAITPKG instructions, introduced since Tremont(also found in sapphire rapids and alderlake) The WAITPKG cpuid flag indicates the availability of three new instructions umonitor, umwait, tpause.

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herumi commented 2 years ago

Okay, I've added them at https://github.com/herumi/xbyak/tree/dev .

Wunkolo commented 2 years ago

Thank you very much!