[PATCH] D51124: [PPC64] Fix DQ-form instruction handeling and emit error for misalignment on a *_DS relocations

Wed Aug 22 13:16:34 PDT 2018

sfertile created this revision.
sfertile added reviewers: syzaara, ruiu, rdhindsa.
Herald added subscribers: kbarton, arichardson, nemanjai, emaste.
Herald added a reviewer: espindola.

Patch fixes the handling of  *_DS relocations used on DQ-form instructions where we were overwriting some of the extended opcode bits. Also adds an alignment check so that the user will receive a diagnostic error if the value we are writing isn't properly aligned.

Repository:
  rLLD LLVM Linker

https://reviews.llvm.org/D51124

Files:
  ELF/Arch/PPC64.cpp
  test/ELF/ppc64-dq.s
  test/ELF/ppc64-error-missaligned-dq.s
  test/ELF/ppc64-error-missaligned-ds.s

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