Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
@ RUN: llvm-mc < %s -triple armv6-elf -filetype=obj | llvm-objdump -d - | FileCheck %s .arch armv6 umaal: umaal r0, r1, r2, r3 @ CHECK-LABEL:umaal @ CHECK: e0410392 umaal r0, r1, r2, r3