SIMD ISAReturn TypeNameArgumentsInstruction Group
Heliumint8x16_t[__arm_]vclsq_x[_s8](int8x16_t a, mve_pred16_t p)Bit manipulation / Count leading sign bits
Description
Count the leading sign bits of each element in a vector register.
Results
Qd result
This intrinsic compiles to the following instructions:

VMSR P0,Rp

VPST

VCLST.S8 Qd,Qm

Argument Preparation
a register: Qmp register: Rp
Architectures
MVE