| commit | 01abd06976c0dd14955321df002ab139aaa85645 | |
| author | Mark Williams <mwilliams@fb.com> | |
| Fri, 8 Nov 2019 21:56:31 +0000 (8 13:56 -0800) | ||
| committer | Facebook Github Bot <facebook-github-bot@users.noreply.github.com> | |
| Fri, 8 Nov 2019 21:59:00 +0000 (8 13:59 -0800) | ||
| tree | e2f52b20609aa88472b6dd6efbb95c49b1a16450 | treesnapshot (tar.gz zip) |
| parent | 74465e68aeac7e7f3a89d8ef26e467ca0f99d9d4 | commitdiff |
Make vasm-graph-color deterministic
Summary:
Various things need to be done in a deterministic order. Without this,
we can end up with different spills, resulting in different block
layouts (eg phi's become trivial in one but not another), and ultimately
very different code size and layout.
Reviewed By: ricklavoie
Differential Revision: D18388370
fbshipit-source-id: d3a55738993dae222e871fb9234e8d449c436e98
Summary:
Various things need to be done in a deterministic order. Without this,
we can end up with different spills, resulting in different block
layouts (eg phi's become trivial in one but not another), and ultimately
very different code size and layout.
Reviewed By: ricklavoie
Differential Revision: D18388370
fbshipit-source-id: d3a55738993dae222e871fb9234e8d449c436e98
| hphp/runtime/vm/jit/vasm-graph-color.cpp | diffblobblamehistory | |
| hphp/runtime/vm/jit/vasm-util.cpp | diffblobblamehistory |