[X86][AVX512VBMI] add encoding and intrinsics for Multishift

Differential Revision: http://reviews.llvm.org/D16399

llvm-svn: 259363
diff --git a/llvm/lib/Target/X86/X86IntrinsicsInfo.h b/llvm/lib/Target/X86/X86IntrinsicsInfo.h
index be108da..7b35da1 100644
--- a/llvm/lib/Target/X86/X86IntrinsicsInfo.h
+++ b/llvm/lib/Target/X86/X86IntrinsicsInfo.h
@@ -1342,6 +1342,12 @@
   X86_INTRINSIC_DATA(avx512_mask_pmull_w_128, INTR_TYPE_2OP_MASK, ISD::MUL, 0),
   X86_INTRINSIC_DATA(avx512_mask_pmull_w_256, INTR_TYPE_2OP_MASK, ISD::MUL, 0),
   X86_INTRINSIC_DATA(avx512_mask_pmull_w_512, INTR_TYPE_2OP_MASK, ISD::MUL, 0),
+  X86_INTRINSIC_DATA(avx512_mask_pmultishift_qb_128, INTR_TYPE_2OP_MASK,
+                     X86ISD::MULTISHIFT, 0),
+  X86_INTRINSIC_DATA(avx512_mask_pmultishift_qb_256, INTR_TYPE_2OP_MASK,
+                     X86ISD::MULTISHIFT, 0),
+  X86_INTRINSIC_DATA(avx512_mask_pmultishift_qb_512, INTR_TYPE_2OP_MASK, 
+                     X86ISD::MULTISHIFT, 0),
   X86_INTRINSIC_DATA(avx512_mask_pmulu_dq_128, INTR_TYPE_2OP_MASK,
                      X86ISD::PMULUDQ, 0),
   X86_INTRINSIC_DATA(avx512_mask_pmulu_dq_256, INTR_TYPE_2OP_MASK,