Cross Reference: /toolchain/binutils/binutils-2.27/gas/testsuite/gas/arm/armv8a-automatic-hlt.s

      1 	.thumb
      2 	.syntax unified
      3 	hlt
      4 	stlexd r0, r2, [r3]
      5 	sevl
      6 	hlt 0xf
      7