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[X86] Support -march=sapphirerapids

Authored by FreddyYe on Aug 24 2020, 9:27 PM.

Description

[X86] Support -march=sapphirerapids

Support -march=sapphirerapids for x86.
Compare with Icelake Server, it includes 14 more new features. They are
amxtile, amxint8, amxbf16, avx512bf16, avx512vp2intersect, cldemote,
enqcmd, movdir64b, movdiri, ptwrite, serialize, shstk, tsxldtrk, waitpkg.

Reviewed By: craig.topper

Differential Revision: https://reviews.llvm.org/D86503

Details

Committed
FreddyYeAug 24 2020, 11:21 PM
Reviewer
craig.topper
Differential Revision
D86503: [X86] Support -march=sapphirerapids
Parents
rG7f426c65b06f: [SyntaxTree] Use annotations on ClassTemplate_MemberClassDefinition test
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