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amd64 pmap.c: minor codegen optimization in flag access

Description

amd64 pmap.c: minor codegen optimization in flag access

Following previous revision, apply the same minor optimization to
hand-rolled atomic_fcmpset_128 in pmap.c.

Reviewed by: kib, markj
Sponsored by: Dell EMC Isilon
Differential Revision: https://reviews.freebsd.org/D23870

Details

Committed
rlibbyFeb 28 2020, 6:32 PM
Reviewer
kib
Differential Revision
D23870: amd64 pmap.c: minor codegen optimization in flag access
Parents
rS358439: amd64 atomic.h: minor codegen optimization in flag access
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