[PATCH] [AArch64] Add register constraints to avoid generating STLXR and STXR with unpredictable behavior.

[Kevin Qin]

Hi,

This patch is to fix http://llvm.org/bugs/show_bug.cgi?id=18881. Please review, thanks.

http://llvm-reviews.chandlerc.com/D2844

Files:
  lib/Target/AArch64/AArch64InstrInfo.td
  test/CodeGen/AArch64/atomic-ops.ll
-------------- next part --------------
A non-text attachment was scrubbed...
Name: D2844.1.patch
Type: text/x-patch
Size: 17687 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20140220/cca3ad7d/attachment.bin>