Some assembly for scalar operations #161

pull sipa wants to merge 1 commits into bitcoin-core:master from sipa:scalarasm changing 1 files +482 −4

sipa commented at 4:04 PM on December 12, 2014: contributor

Gives a 12% signing performance improvement.
sipa force-pushed on Dec 13, 2014
sipa force-pushed on Dec 14, 2014
sipa commented at 1:36 AM on December 14, 2014: contributor

Updated: now includes assembly for multiply, square and reduce.
sipa force-pushed on Dec 16, 2014
sipa force-pushed on Dec 22, 2014
sipa force-pushed on Dec 22, 2014
sipa commented at 6:11 PM on December 29, 2014: contributor

@gmaxwell Care to review?
sipa force-pushed on Feb 3, 2015
sipa commented at 3:48 AM on February 3, 2015: contributor

Rebased.
x86_64 assembly optimization for scalar_4x64 ffccfd2d00
sipa force-pushed on Feb 6, 2015
sipa commented at 7:33 PM on February 6, 2015: contributor

@gmaxwell Used symbolic constants in the assembly now.
gmaxwell commented at 1:35 AM on February 7, 2015: contributor

ACK.
sipa merged this on Feb 7, 2015
sipa closed this on Feb 7, 2015
sipa referenced this in commit 2d4cd53087 on Feb 7, 2015
real-or-random cross-referenced this on Feb 25, 2020 from issue Allow overriding default flags by jonasnick

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