CVSROOT: /cvs
Module name: src
Changes by: na...@cvs.openbsd.org 2020/06/26 14:16:22
Modified files:
regress/lib/libc: Makefile
lib/libc/arch/aarch64/string: Makefile.inc
lib/libc/arch/powerpc/string: Makefile.inc
lib/libc/arch/powerpc64/string: Makefile.inc
Added files:
lib/libc/arch/aarch64/string: ffs.S
lib/libc/arch/powerpc/string: ffs.S
lib/libc/arch/powerpc64/string: ffs.S
regress/lib/libc/ffs: Makefile ffs_test.c
Log message:
Provide an optimized implementation of ffs(3) in libc on
aarch64/powerpc/powerpc64, making use of the count leading
zeros instruction. Also add a brief regression test.
ok deraadt@ kettenis@
