[PATCH] D18038: [mips] Remove unnecessary sign extension in atomics

[Simon Dardis via llvm-commits]

sdardis created this revision.
sdardis added a reviewer: vkalintiris.
sdardis added subscribers: dsanders, llvm-commits.

emitAtomic*PartWord unconditionally sign extends its result causing failures
with __c11_atomic_compare_exchange_strong & co due to an unsigned value
being compared to a sign extended value.


http://reviews.llvm.org/D18038

Files:
  lib/Target/Mips/MipsISelLowering.cpp
  test/CodeGen/Mips/atomic.ll

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