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[X86][BtVer2] Fix latency and throughput of atomic INC/DEC/NEG/NOT.

Authored by andreadb on Aug 20 2019, 7:31 AM.

Description

[X86][BtVer2] Fix latency and throughput of atomic INC/DEC/NEG/NOT.

Latency and throughput of LOCK INC/DEC/NEG/NOT is always 19cy.
Number of uOPs is still 1.

Differential Revision: https://reviews.llvm.org/D66469

llvm-svn: 369388

Details

Committed
andreadbAug 20 2019, 7:31 AM
Differential Revision
D66469: [X86][BtVer2] Fix latency and throughput of atomic INC/DEC/NEG/NOT.
Parents
rG0e8e4b09d2ff: [clangd] Fix one testcase in XRefsTests.
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