Cross Reference: /toolchain/binutils/binutils-2.27/gas/testsuite/gas/arm/arm3-bad.s

      1 	.text
      2 	.align 0
      3 l:
      4 	swp	r0, r1, [r0]
      5 	swp	r1, r0, [r0]
      6 	nop
      7 	nop
      8