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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2014-11-25 22:34:59 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2014-11-25 22:34:59 +0000 |
| commit | 7f6cee962641ac5178a839f3f57144abf61b2ef7 (patch) | |
| tree | 2a05f1993cd6bf0e03d5e0704d8f1dfa2317683e /lib/Target/X86/X86InstrFPStack.td | |
| 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
Diffstat (limited to 'lib/Target/X86/X86InstrFPStack.td')
0 files changed, 0 insertions, 0 deletions