[Webkit-unassigned] [Bug 21611] Unnecessary operations, duplicated codes in the CodeGenerator

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=21611


jasy at inf.u-szeged.hu changed:

           What    |Removed                     |Added
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  Attachment #24360|                            |review?
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------- Comment #1 from jasy at inf.u-szeged.hu  2008-10-15 07:30 PDT -------
Created an attachment (id=24360)
 --> (https://bugs.webkit.org/attachment.cgi?id=24360&action=view)
proposed patch

The patch has a measurable but not significant impact on the performance. 
Two new methods are introduced, which modify the value of the last instruction.
In this way we do not have to remove the last instruction and after add a new
one to the instruction chain if we only want to modify the last instruction.
The patch contains other smaller code refactorings, which eliminates some
duplicated codes.


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