Bug 151823 - B3 stackmaps should support an internalClobbered register set
Summary: B3 stackmaps should support an internalClobbered register set
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: 2015-12-03 14:26 PST by Filip Pizlo
Modified: 2016-02-16 18:26 PST (History)
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Description Filip Pizlo 2015-12-03 14:26:26 PST 
Registers that are internally clobbered don't interfere with any early uses or late defs, but they do interfere with anything live across the instruction.

This could be used to implement GetByIdFlush and PutByIdFlush better.