[Webkit-unassigned] [Bug 31050] [Multipatch] JSVALUE32_64 support on ARM

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Nov 4 01:24:49 PST 2009


https://bugs.webkit.org/show_bug.cgi?id=31050


Gavin Barraclough <barraclough at apple.com> changed:

           What    |Removed                     |Added
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  Attachment #42365|review?                     |review-
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--- Comment #2 from Gavin Barraclough <barraclough at apple.com>  2009-11-04 01:24:49 PDT ---
(From update of attachment 42365)
As per our conversation on IRC, It will help this change to clean up some of
the existing code in svn first, so let's hold this off for:

https://bugs.webkit.org/show_bug.cgi?id=31104

to land first.  I'm going to r- this patch, since these changes will conflict,
please resubmit after 31104 is in & you've updated.

ECMA says that math is IEEE754 compliant, and IEEE754 specifies that
comparisons between unordered operands (i.e. when either operand is NaN)
evaluates to false.  The MacroAssembler interface in ToT is a mess in its
handling of unordered operands, I've addressed this in the patch on bug 31104
by making the required handling of unordered operands explicit in the
DoubleCondition.

r-, will review a new patch post 31104.

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