AVX-512: Optimized SIMD truncate operations for AVX512F set.
Optimized <8 x i32> to <8 x i16>
<4 x i64> to < 4 x i32>
<16 x i16> to <16 x i8>
All these oprtrations use now AVX512F set (KNL). Before this change it was implemented with AVX2 set.


Differential Revision: http://reviews.llvm.org/D14108



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@251764 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed