[Webkit-unassigned] [Bug 67826] JavaScriptCore does not have speculative->baseline OSR

Sat Sep 10 13:10:17 PDT 2011

https://bugs.webkit.org/show_bug.cgi?id=67826

Filip Pizlo <fpizlo at apple.com> changed:

           What    |Removed                     |Added
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 Attachment #106943|0                           |1
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--- Comment #10 from Filip Pizlo <fpizlo at apple.com>  2011-09-10 13:10:17 PST ---
Created an attachment (id=106979)
 --> (https://bugs.webkit.org/attachment.cgi?id=106979&action=review)
the patch - fix build, fix web

This fixes build errors in release builds.  It also fixed websites that were broken (bing, gmail).  The fix for the latter involved dumping registers to scratch storage, if the destination in the register file for those registers overlapped virtual registers used by the DFG.  This is probably a rare case, so the cost of dumping to scratch storage in that case is unlikely to be high.

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