[Webkit-unassigned] [Bug 29122] Use PLATFORM(ARM_THUMB2) instead of PLATFORM_ARM_ARCH(7)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=29122


Gabor Loki <loki at inf.u-szeged.hu> changed:

           What    |Removed                     |Added
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  Attachment #39595|                            |review?
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  Attachment #39345|0                           |1
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--- Comment #8 from Gabor Loki <loki at inf.u-szeged.hu>  2009-09-15 05:03:48 PDT ---
Created an attachment (id=39595)
 --> (https://bugs.webkit.org/attachment.cgi?id=39595)
Defines two pseudo-platforms for ARM and Thumb-2 instruction set

This patch introduce WTF_PLATFORM_ARM_TRADITIONAL and WTF_PLATFORM_ARM_THUMB2
pseudo-platforms according to Gavin suggestion on irc.

The PLATFORM_ARM_ARCH(7) is replaced with PLATFORM(ARM_THUMB2) and the
PLATFORM(ARM) && !PLATFORM_ARM_ARCH(7) is replaced with
PLATFORM(ARM_TRADITIONAL). The common code is still under PLATFORM(ARM) #if
checks.

By default the WTF_PLATFORM_ARM_THUMB2 is set when 'thumb2' or '__thumb2__'
compiler directives are set. Otherwise if the target ARM architecture is v4 or
above, WTF_PLATFORM_ARM_TRADITIONAL is set.

This gives an opportunity to use JIT with ARM instruction set on ARMv7 as well.

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