[PATCH] D101817: [MC][X86] Automatic alignment for Macro-Op Fusion

[Amir Ayupov via Phabricator via llvm-commits]

Amir created this revision.
Amir added reviewers: skan, MaskRay.
Herald added subscribers: pengfei, hiraditya.
Amir requested review of this revision.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.

Introduce an option x86-align-for-macrofusion to automatically align macro-fusion
pairs not to be delimited by a cache line boundary (necessary condition for 
macro-op fusion on modern Intel cores).


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D101817

Files:
  llvm/include/llvm/MC/MCFragment.h
  llvm/lib/MC/MCAssembler.cpp
  llvm/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp
  llvm/lib/Target/X86/MCTargetDesc/X86BaseInfo.h
  llvm/test/MC/X86/x86_64-auto-mf-align.s

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