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lib/libc/amd64: add archlevel-based simd dispatch framework

Description

lib/libc/amd64: add archlevel-based simd dispatch framework

Add a framework for selecting from one of multiple implementations
of a function based on amd64 architecture level (cf. amd64 SysV
ABI supplement).

Sponsored by: The FreeBSD Foundation
Approved by: kib
Reviewed by: jrtc27
Differential Revision: https://reviews.freebsd.org/D40693

Details

Provenance
fuzAuthored on Aug 3 2023, 10:47 PM
Reviewer
jrtc27
Differential Revision
D40693: lib/libc/amd64: add archlevel-based simd dispatch framework
Parents
rGf1b5488f7bba: e1000: Enable TSO for lem(4) and em(4)
Branches
Unknown
Tags
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