Bug 23197 - Delay creating the PCVector until an exception is thrown
Summary: Delay creating the PCVector until an exception is thrown
Status: RESOLVED FIXED
Alias: None
Product: WebKit
Classification: Unclassified
Component: JavaScriptCore (show other bugs)
Version: 528+ (Nightly build)
Hardware: Mac OS X 10.5
: P2 Normal
Assignee: Nobody
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2009-01-08 14:38 PST by Sam Weinig
Modified: 2009-01-08 14:53 PST (History)
0 users

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Description Sam Weinig 2009-01-08 14:38:12 PST
Delaying the creation of the PCVector until an exception is thrown will save about 2MB on membuster head.  This will require re-JITing to build the offset mappings.
Comment 1 Sam Weinig 2009-01-08 14:38:44 PST
Related to <rdar://problem/6469060>
Comment 2 Sam Weinig 2009-01-08 14:53:29 PST
Patch reviewed by Oliver Hunt and landed in r39720.