Remove 1 instruction from popcount
authorTudor Bosman <tudorb@fb.com>
Wed, 8 Aug 2012 21:08:03 +0000 (14:08 -0700)
committerTudor Bosman <tudorb@fb.com>
Wed, 8 Aug 2012 22:40:42 +0000 (15:40 -0700)
commit71acc41b44cb2f8a20cbf37a17f32a4eb7f7fc25
treeedcec1ac10e17198f5ec09cf74cb853a64dadecf
parent7fd87e7e86bb78dc693da2111bf915761346d540
Remove 1 instruction from popcount

Summary:
by removing the unnecessary constraint that the input and output be in
the same register (copypasta from https://phabricator.fb.com/D542718)

Test Plan: folly/test

Reviewed By: soren@fb.com

FB internal diff: D543310
folly/Bits.cpp