Summary: | Bytecompiler should emit trivially fewer jumps in loops | ||||||||
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Product: | WebKit | Reporter: | Filip Pizlo <fpizlo> | ||||||
Component: | JavaScriptCore | Assignee: | Nobody <webkit-unassigned> | ||||||
Status: | RESOLVED FIXED | ||||||||
Severity: | Normal | CC: | dglazkov, ggaren, mjs, webkit.review.bot | ||||||
Priority: | P2 | ||||||||
Version: | 528+ (Nightly build) | ||||||||
Hardware: | All | ||||||||
OS: | All | ||||||||
Attachments: |
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Description
Filip Pizlo
2012-04-28 15:58:55 PDT
Created attachment 139375 [details]
the patch
As a comment unrelated to this patch, it would be nice to have a fallback for emitNodeInConditionContext that knows how to generate regular code plus the branch for nodes without a specialized emitNodeInConditionContext - it's lame to have to do the fallback at every call site. Comment on attachment 139375 [details] the patch Attachment 139375 [details] did not pass chromium-ews (chromium-xvfb): Output: http://queues.webkit.org/results/12556753 New failing tests: fast/filesystem/workers/file-writer-sync-truncate-extend.html Created attachment 139377 [details]
Archive of layout-test-results from ec2-cr-linux-03
The attached test failures were seen while running run-webkit-tests on the chromium-ews.
Bot: ec2-cr-linux-03 Port: <class 'webkitpy.common.config.ports.ChromiumXVFBPort'> Platform: Linux-2.6.35-28-virtual-x86_64-with-Ubuntu-10.10-maverick
Landed in http://trac.webkit.org/changeset/115587 I believe that ForInNode would also benefit from this optimization. Merged in http://trac.webkit.org/changeset/117706 |