[PATCH] D48638: [Sparc] Add support for the cycle counter available in GR740

[Daniel Cederman via Phabricator via llvm-commits]

dcederman updated this revision to Diff 160357.
dcederman added a comment.

Reserved register ASR23 to avoid error stating that register ASR23 is "an undefined physical register". Not sure if this is the correct solution, so putting this up for review again.


https://reviews.llvm.org/D48638

Files:
  lib/Target/Sparc/LeonFeatures.td
  lib/Target/Sparc/Sparc.td
  lib/Target/Sparc/SparcISelLowering.cpp
  lib/Target/Sparc/SparcRegisterInfo.cpp
  lib/Target/Sparc/SparcSubtarget.cpp
  lib/Target/Sparc/SparcSubtarget.h
  test/CodeGen/SPARC/readcycle.ll

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