From d96200d60a429bce4aa959ab2f1571b50d5970c5 Mon Sep 17 00:00:00 2001
From: Elena Demikhovsky <elena.demikhovsky@intel.com>
Date: Mon, 2 Jan 2017 11:44:10 +0000
Subject: Fixed shuffle-reverse cost on AVX-512.

(This changed was approved in https://reviews.llvm.org/D28118, but Simon asked to submit it separately).

llvm-svn: 290812
---
 llvm/lib/Target/X86/X86TargetTransformInfo.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'llvm/lib/Target/X86/X86TargetTransformInfo.cpp')

diff --git a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
index 5c021302d8d..2b0e672d56f 100644
--- a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
+++ b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
@@ -614,6 +614,7 @@ int X86TTIImpl::getShuffleCost(TTI::ShuffleKind Kind, Type *Tp, int Index,
 
     static const CostTblEntry AVX512BWShuffleTbl[] = {
       { ISD::VECTOR_SHUFFLE, MVT::v32i16, 1 }, // vpermw
+      { ISD::VECTOR_SHUFFLE, MVT::v16i16, 1 }, // vpermw
       { ISD::VECTOR_SHUFFLE, MVT::v64i8,  6 }  // vextracti64x4 + 2*vperm2i128
                                                // + 2*pshufb + vinserti64x4
     };
-- 
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