Bug 151063 - Air should have a phase for hoisting stores to relieve register pressure
Summary: Air should have a phase for hoisting stores to relieve register pressure
Status: NEW
Alias: None
Product: WebKit
Classification: Unclassified
Component: JavaScriptCore (show other bugs)
Version: WebKit Nightly Build
Hardware: All All
: P2 Normal
Assignee: Nobody
URL:
Keywords:
Depends on:
Blocks: 154319
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Reported: 2015-11-09 17:00 PST by Filip Pizlo
Modified: 2016-02-16 18:24 PST (History)
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Description Filip Pizlo 2015-11-09 17:00:06 PST
If we see a store, we should be able to hoist up to just after the previous interfering effect - like the previous memory effect or the last instruction to Def a value we Use.

I thought of this when doing this manually in CCall lowering.