Define SK_CPU_X86 on x86 machines.

Define SK_CPU_X86 on x86 machines.

Use this to only register flattening for SkSSE2ProcCoeffXfermode::CreateProc when it's linked.

BUG=skia:

TBR=reed@google.com
NOTRY=true
NOTREECHECKS=true

Committed: http://code.google.com/p/skia/source/detail?r=14108

[mtklein, 2014-04-09 16:47:48]

On 2014/04/09 16:36:45, mtklein wrote:

Going to jam this in to fix the build.

[mtklein, 2014-04-09 16:47:53]

The CQ bit was checked by mtklein@google.com

[commit-bot: I haz the power, 2014-04-09 16:47:58]

CQ is trying da patch. Follow status at
https://skia-tree-status.appspot.com/cq/mtklein@chromium.org/231223002/1

[commit-bot: I haz the power, 2014-04-09 16:48:05]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2014-04-09 16:48:07]

Presubmit check for 231223002-1 failed and returned exit status 1.

Running presubmit commit checks ...

** Presubmit ERRORS **
Since the CL is editing public API, you must have an LGTM from one of:
('reed@chromium.org', 'reed@google.com', 'bsalomon@chromium.org',
'bsalomon@google.com')

[bsalomon, 2014-04-09 16:50:05]

lgtm

[mtklein, 2014-04-09 16:50:37]

The CQ bit was checked by mtklein@google.com

[commit-bot: I haz the power, 2014-04-09 16:50:43]

CQ is trying da patch. Follow status at
https://skia-tree-status.appspot.com/cq/mtklein@chromium.org/231223002/1

[commit-bot: I haz the power, 2014-04-09 16:51:04]

Change committed as 14108