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Unverified Commit 1a219e98 authored by XinWang10's avatar XinWang10 Committed by GitHub
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[X86] Support EVEX compression from MOVBErr to BSWAP (#79775)

APX promoted MOVBE instructions were supported in #77431. The reg2reg
variants of MOVBE are newly introduced by APX and can be optimized to
BSWAP instruction when the 2 register operands are same.

This patch adds manual entries for MOVBErr instructions when we do ndd
to non-ndd compression #77731.
RFC:
https://discourse.llvm.org/t/rfc-design-for-apx-feature-egpr-and-ndd-support/73031/4
parent 2800448f
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