Bryan Chan 82733bd860 [SystemZ] Support LRVH and STRVH opcodes
Summary: On Linux, /usr/include/bits/byteswap-16.h defines __byteswap_16(x) as an inlined LRVH (Load Reversed Half-word) instruction. The SystemZ back-end did not support this opcode and the inlined assembly would cause a fatal error.

Reviewers: bryanpkc, uweigand

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D18732

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@269688 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-16 20:32:22 +00:00
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