Use the standard intrinsics for crc32c
authorChristopher Dykes <cdykes@fb.com>
Thu, 16 Jun 2016 19:42:33 +0000 (12:42 -0700)
committerFacebook Github Bot 1 <facebook-github-bot-1-bot@fb.com>
Thu, 16 Jun 2016 19:53:24 +0000 (12:53 -0700)
commitddd5d517e8dd65304f2fb9722e1258bdd9af5b2f
tree57dfe7ef85eb2a0393f441c0d67374b9582b252f
parent7570fc58eb757feb6c852275f9573ba0fcbdfdc5
Use the standard intrinsics for crc32c

Summary: This mass of conditions is completely pointless, because GCC has supported the standard intrinsics since at least 4.4.7, which is as far back as godbolt lets me test.

Reviewed By: yfeldblum

Differential Revision: D3373640

fbshipit-source-id: 619e971034db9249a9b312d18870bc7e4d579d50
folly/Checksum.cpp