SIMD ISAReturn TypeNameArgumentsInstruction Group
Heliumint8x16_t[__arm_]vrhaddq_m[_s8](int8x16_t inactive, int8x16_t a, int8x16_t b, mve_pred16_t p)Vector arithmetic / Add / Addition
Description
Add the value of the elements in the first source vector register to the respective elements in the second source vector register. The result is halved and rounded before being written to the destination vector register.
Results
Qd result
This intrinsic compiles to the following instructions:

VMSR P0,Rp

VPST

VRHADDT.S8 Qd,Qn,Qm

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