SIMD ISAReturn TypeNameArgumentsInstruction Group
Heliumint8x16_t[__arm_]vqsubq_m[_s8](int8x16_t inactive, int8x16_t a, int8x16_t b, mve_pred16_t p)Vector arithmetic / Subtract / Saturating subtract
Description
Subtract the value of the elements in the second source vector register from either the respective elements in the first source vector register or a general-purpose register. The result is saturated before being written to the destination vector register.
Results
Qd result
This intrinsic compiles to the following instructions:

VMSR P0,Rp

VPST

VQSUBT.S8 Qd,Qn,Qm

Argument Preparation
inactive register: Qda register: Qnb register: Qmp register: Rp
Architectures
MVE