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LWP functions (XOP related) #1167

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Torinde opened this issue Mar 28, 2024 · 4 comments
Open

LWP functions (XOP related) #1167

Torinde opened this issue Mar 28, 2024 · 4 comments
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instruction-set-support Implementing new SIMD ISA extensions portably

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@Torinde
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Torinde commented Mar 28, 2024 •
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https://en.wikipedia.org/wiki/List_of_discontinued_x86_instructions#Lightweight_Profiling_instructions

lwpintrin.h

LWP at Microsoft intrinsics list: ammintrin.h

Lightweight Profiling Specification
@mr-c
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mr-c commented Mar 28, 2024

We will need a list of intrinsic/function names, not just the CPU instruction/opcodes

@mr-c mr-c added the instruction-set-support Implementing new SIMD ISA extensions portably label Mar 28, 2024
@Torinde
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Torinde commented Apr 4, 2024

Are the LLVM and Microsoft headers sufficient?

@mr-c
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mr-c commented Apr 4, 2024

I don't see how this would be implemented on non-x86 systems

@Torinde
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Torinde commented Apr 5, 2024

OK, then it should be dropped (and Issue closed)?

Or you think it can (and makes sense to) be implemented for x86 systems that don't natively support it?

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