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* Use the retguard macros from asm.h to protect the function.deraadt2020-10-161-1/+3
| | | | ok mortimer kettenis
* Provide an optimized implementation of ffs(3) in the kernel onnaddy2020-06-101-0/+15
arm64/powerpc/powerpc64, making use of the count leading zeros instruction. powerpc testing by cwen@; ok kettenis@ deraadt@