Commit Graph

9 Commits

Author SHA1 Message Date
Simon Pilgrim 0acc32a3b3 [X86][AVX512] Added support for VPMOVZX shuffle decoding.
llvm-svn: 260007
2016-02-06 19:51:21 +00:00
Simon Pilgrim 83e04913e5 [X86][AVX512] Fixed prefix ordering for lzcnt tests.
Let AVX512 targets share the same CHECKs.

llvm-svn: 260000
2016-02-06 18:07:19 +00:00
Elena Demikhovsky db738d9cc3 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

llvm-svn: 251764
2015-11-01 11:45:47 +00:00
Igor Breger cbb9550537 AVX512: Lowering i8/i16 vector CTLZ using the dword LZCNT vector instruction
Differential Revision: http://reviews.llvm.org/D13632

llvm-svn: 250649
2015-10-18 09:56:39 +00:00
Simon Pilgrim a1ceba8ab4 [X86] Updated vector lzcnt tests. Added missing vec512 tests.
llvm-svn: 246927
2015-09-05 11:56:30 +00:00
Igor Breger 0dcd8bcf24 AVX512: Implemented encoding and intrinsics for vplzcntq, vplzcntd, vpconflictq, vpconflictd
Added tests for intrinsics and encoding.

Differential Revision: http://reviews.llvm.org/D11931

llvm-svn: 246750
2015-09-03 09:05:31 +00:00
Simon Pilgrim 23a29dafda [X86][SSE] Tidied up vector CTLZ/CTTZ. NFCI.
llvm-svn: 242645
2015-07-19 17:09:43 +00:00
Simon Pilgrim 4af289d0f2 [X86][SSE] Added lzcnt vector tests.
llvm-svn: 239333
2015-06-08 19:58:43 +00:00
Simon Pilgrim 4791f6d89b [DAGCombiner] Added CTLZ vector constant folding support.
llvm-svn: 239305
2015-06-08 16:19:00 +00:00