_blsr_u64
Classification
Other, Bit Manipulation, CPUID Test: BMI1
Header File
Instruction
BLSR r64, r64
Synopsis
_blsr_u64(unsigned __int64 a);
Description
Copy all bits from unsigned 64-bit integer "a" to "dst", and reset (set to 0) the bit in "dst" that corresponds to the lowest set bit in "a".
Operation
dst := (a - 1) AND a