| commit | a7ad84851b018602487779d97195bad0536f9a7a | [log] [tgz] |
|---|---|---|
| author | Arnold Schwaighofer <aschwaighofer@apple.com> | Mon Feb 04 02:52:05 2013 +0000 |
| committer | Arnold Schwaighofer <aschwaighofer@apple.com> | Mon Feb 04 02:52:05 2013 +0000 |
| tree | 3c0839201b04eeff17851e5ff8baab233f86f7d1 | |
| parent | 4b5dbaa96a6e51e925ac017468538754aad8e5cc [diff] |
ARM cost model: Penalize insertelement into D subregisters Swift has a renaming dependency if we load into D subregisters. We don't have a way of distinguishing between insertelement operations of values from loads and other values. Therefore, we are pessimistic for now (The performance problem showed up in example 14 of gcc-loops). radar://13096933 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174300 91177308-0d34-0410-b5e6-96231b3b80d8