Merging r281975:

------------------------------------------------------------------------
r281975 | simon.dardis | 2016-09-20 08:07:36 -0700 (Tue, 20 Sep 2016) | 9 lines

[mips] MSA intrinsics header file

This patch adds the msa.h header file containing the shorter names for the
MSA instrinsics, e.g. msa_sll_b for builtin_msa_sll_b.

Reviewers: vkalintiris, zoran.jovanovic

Differential Review: https://reviews.llvm.org/D24674

------------------------------------------------------------------------

git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_39@288108 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed