Add comments about how zip fusion

Authored by simonpj on Feb 18 2019, 3:03 AM.

Description

Add comments about how zip fusion

Alexandre Balde (rockbmb) points out that the fusion technology
for foldr2, zip, zipWith, etc is undocumented. This patch adds
comments to explain.

Details

Committed
Marge Bot <ben+marge-bot@smart-cactus.org>Feb 20 2019, 9:17 AM
Parents
rGHC2e96ce1fced5: Test bit-manipulating primops under respective arch flags like -msse4.2
Branches
Unknown
Tags
Unknown
Marge Bot <ben+marge-bot@smart-cactus.org> committed rGHC2209ea86cbdf: Add comments about how zip fusion (authored by simonpj).Feb 20 2019, 9:17 AM