Bug 162796 - Air::fixObviousSpills() should be able to optimize constant materialization followed by offset address
Summary: Air::fixObviousSpills() should be able to optimize constant materialization f...
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: 162764
Blocks:
  Show dependency tree / graph
 
Reported: 2016-09-30 11:28 PDT by Filip Pizlo
Modified: 2016-09-30 11:29 PDT (History)
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Description Filip Pizlo 2016-09-30 11:28:53 PDT 
We may sometimes end up with code like this:

    Move $0x123412341234, %rax
    Move 0x1234(%rax), blah

We should just materialize the right constant in these cases.