Bug 172181 - We still write to the sizeRegister even when we don't have to
Summary: We still write to the sizeRegister even when we don't have to
Status: NEW
Alias: None
Product: WebKit
Classification: Unclassified
Component: JavaScriptCore (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Saam Barati
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2017-05-16 11:51 PDT by Saam Barati
Modified: 2017-05-16 11:51 PDT (History)
10 users (show)

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Description Saam Barati 2017-05-16 11:51:05 PDT 
e.g, when we're signaling.
Comment 1 Saam Barati 2017-05-16 11:51:39 PDT 
And code just assumes it can use the sizeRegister as scratch, so the patchpoint that does the call clobbers the size register. But we should do better here.