base atomicops: Drop SSE2 detection, we always require SSE2 starting in m35.

base atomicops: Drop SSE2 detection, we always require SSE2 starting in m35.

BUG=348761, 94925
NOTRY=true

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=271506

[Mark Mentovai, 2014-05-19 22:24:34]

LGTM

https://codereview.chromium.org/291993003/diff/1/base/atomicops_internals_x86...
File base/atomicops_internals_x86_gcc.h (right):

https://codereview.chromium.org/291993003/diff/1/base/atomicops_internals_x86...
base/atomicops_internals_x86_gcc.h:94: // 64-bit implementations of memory
barrier can be simpler, because it
This comment should go away.

[Nico, 2014-05-19 22:29:10]

Thanks!

https://codereview.chromium.org/291993003/diff/1/base/atomicops_internals_x86...
File base/atomicops_internals_x86_gcc.h (right):

https://codereview.chromium.org/291993003/diff/1/base/atomicops_internals_x86...
base/atomicops_internals_x86_gcc.h:94: // 64-bit implementations of memory
barrier can be simpler, because it
On 2014/05/19 22:24:35, Mark Mentovai wrote:
> This comment should go away.

Done.

[Nico, 2014-05-19 22:29:34]

The CQ bit was checked by thakis@chromium.org

[commit-bot: I haz the power, 2014-05-19 22:30:41]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/thakis@chromium.org/291993003/20001

[commit-bot: I haz the power, 2014-05-19 22:37:24]

Change committed as 271506