| commit | 7f6cee962641ac5178a839f3f57144abf61b2ef7 | [log] [tgz] |
|---|---|---|
| author | Simon Pilgrim <llvm-dev@redking.me.uk> | Tue Nov 25 22:34:59 2014 +0000 |
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | Tue Nov 25 22:34:59 2014 +0000 |
| tree | 2a05f1993cd6bf0e03d5e0704d8f1dfa2317683e | |
| parent | 5bf7bcf6b36f94da769952f98b04f6f526622ea4 [diff] |
[X86][SSE] Improvements to byte shift shuffle matching Since (v)pslldq / (v)psrldq instructions resolve to a single input argument it is useful to match it much earlier than we currently do - this prevents more complicated shuffles (notably insertion into a zero vector) matching before it. Differential Revision: http://reviews.llvm.org/D6409 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222796 91177308-0d34-0410-b5e6-96231b3b80d8