gcc/testsuite/selftests/mem.rtl

(function "test_mem"
  (insn-chain
    (block 2
      ;; Various nonsensical values, to exercise the parser:
      (cinsn 1 (set (mem:SI (reg:SI <10>) [42 i+17 S8 A128 AS5]) (reg:SI <1>)))
      (cinsn 2 (set (mem:SI (reg:SI <11>) [43 i+18 S9 AS6]) (reg:SI <2>)))
    ) ;; block 6
  ) ;; insn-chain
) ;; function