Comment by muricula 5 years ago Basically lzcnt or leading zero count on x86: https://www.felixcloutier.com/x86/lzcnt 2 comments muricula Reply ac42 5 years ago > It should be noted that on processors that do not support LZCNT, the instruction byte encoding is executed as BSR.This. Boggles. bombcar 5 years ago https://stackoverflow.com/a/43443701 - interesting - it seems to be a side effect of changing meaning of an instruction.
ac42 5 years ago > It should be noted that on processors that do not support LZCNT, the instruction byte encoding is executed as BSR.This. Boggles. bombcar 5 years ago https://stackoverflow.com/a/43443701 - interesting - it seems to be a side effect of changing meaning of an instruction.
bombcar 5 years ago https://stackoverflow.com/a/43443701 - interesting - it seems to be a side effect of changing meaning of an instruction.
> It should be noted that on processors that do not support LZCNT, the instruction byte encoding is executed as BSR.
This. Boggles.
https://stackoverflow.com/a/43443701 - interesting - it seems to be a side effect of changing meaning of an instruction.