Reverted commit D3265572
authorPhilip Pronin <philipp@fb.com>
Mon, 9 May 2016 07:06:57 +0000 (00:06 -0700)
committerFacebook Github Bot 3 <facebook-github-bot-3-bot@fb.com>
Mon, 9 May 2016 07:20:24 +0000 (00:20 -0700)
commit0759dee48fca5973414d86505c8cd2ea82ec3a39
tree2d4ec9a6d8dbbde18fd785605c91c0a3bc22b19d
parent90678e67d54d87835b6ee9d58696497e43809908
Reverted commit D3265572

Summary:
I would switch these to just use the intrinsic functions, but GCC 4.8 doesn't support them.
MSVC supports the intrinsics, which is the primary reason for the switch.

Reviewed By: yfeldblum

Differential Revision: D3265572

fb-gh-sync-id: 3268f90d5234bdf77b3579504efd3dcd43f38aff
fbshipit-source-id: 3268f90d5234bdf77b3579504efd3dcd43f38aff
folly/Portability.h
folly/experimental/Instructions.h
folly/experimental/Select64.h