Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
# RUN: llvm-mc --disassemble %s -triple=mips64-unknown-linux -mcpu=mips64r2 -mattr=+msa | FileCheck %s 0x7b 0x03 0x4e 0xde # CHECK: fill.d $w27, $9