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Intel announces major update to core x86 instruction set
(www.intel.com)
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this post was submitted on 27 Jul 2023
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Programming
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@keenkoon I wonder if it would make sense to store a regular compiled code and the extensions into one binary. And only load the extensions if the binary is executed on such an architecture, otherwise be compatible to older architecture.
This is the only way really to move forward with ISA extensions.
Though, I think for this update we don't need to be too concerned. Since it changes the code in such an extensive way, compiler writers will be strongly incentivised to produce this duplicate path themselves. Instead of letting the burden of dispatching fall on the programmer like with AVX and friends