* task->thread.sve_state, formatted appropriately for vector
* length task->thread.sve_vl or, if SVCR.SM is set,
* task->thread.sme_vl.
* task->thread.sve_state, formatted appropriately for vector
* length task->thread.sve_vl or, if SVCR.SM is set,
* task->thread.sme_vl.