[Webkit-unassigned] [Bug 75812] JSC should be a triple-tier VM

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=75812


Filip Pizlo <fpizlo at apple.com> changed:

           What    |Removed                     |Added
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 Attachment #124432|0                           |1
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 Attachment #124478|                            |review?
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--- Comment #73 from Filip Pizlo <fpizlo at apple.com>  2012-01-29 17:37:38 PST ---
Created an attachment (id=124478)
 --> (https://bugs.webkit.org/attachment.cgi?id=124478&action=review)
the patch

Includes beginnings of proper ARMv7 support in the offlineasm backend. This is done by doing a series of micropasses that break down the larger operations (like say "addi 5000, 4[foo, bar, 8]") into smaller ones ("move 4, tmp1; addp foo, tmp1; loadi [tmp1, bar, 8], tmp2; move 5000, tmp3; addi tmp3, tmp2; storei tmp2, [tmp1, bar, 8]").

Also includes a build fix in tools/; I'll land that build fix separately and exclude it from this patch in the next rebase.

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