1  /* { dg-do run } */
       2  /* { dg-options "-mmicromips" } */
       3  
       4  int __attribute__ ((noinline))
       5  frob (int i)
       6  {
       7    switch (i)
       8      {
       9      case -5:
      10        return -2;
      11      case -3:
      12        return -1;
      13      case 0:
      14        return 0;
      15      case 3:
      16        return 1;
      17      case 5:
      18        break;
      19      default:
      20        __builtin_unreachable ();
      21      }
      22    return i;
      23  }
      24  
      25  int
      26  main (int argc, char **argv)
      27  {
      28    asm ("" : "+r" (argc));
      29    argc = frob ((argc & 10) - 5);
      30    asm ("" : "+r" (argc));
      31    return !argc;
      32  }
      33  
      34  /* This will result in assembly like:
      35  
      36  	.text
      37  	.align	2
      38  	.globl	frob
      39  	.set	nomips16
      40  	.set	micromips
      41  	.ent	frob
      42  	.type	frob, @function
      43  frob:
      44  	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
      45  	.mask	0x00000000,0
      46  	.fmask	0x00000000,0
      47  	.set	noreorder
      48  	.set	nomacro
      49  	addiu	$3,$4,5
      50  	sltu	$2,$3,11
      51  	beqzc	$2,$L2
      52  	lui	$2,%hi($L4)
      53  	addiu	$2,$2,%lo($L4)
      54  	lwxs	$3,$3($2)
      55  	jrc	$3
      56  	.rdata
      57  	.align	2
      58  	.align	2
      59  $L4:
      60  	.word	$L3
      61  	.word	$L2
      62  	.word	$L9
      63  	.word	$L2
      64  	.word	$L2
      65  	.word	$L8
      66  	.word	$L2
      67  	.word	$L2
      68  	.word	$L7
      69  	.word	$L2
      70  	.word	$L8
      71  	.text
      72  $L8:
      73  	jr	$31
      74  	move	$2,$4
      75  
      76  $L9:
      77  	jr	$31
      78  	li	$2,-1			# 0xffffffffffffffff
      79  
      80  $L3:
      81  	jr	$31
      82  	li	$2,-2			# 0xfffffffffffffffe
      83  
      84  $L7:
      85  	jr	$31
      86  	li	$2,1			# 0x1
      87  
      88  $L2:
      89  	.insn
      90  	.set	macro
      91  	.set	reorder
      92  	.end	frob
      93  	.size	frob, .-frob
      94  
      95    for `frob' and we want to make sure it links correctly owing to the
      96    `.insn' pseudo-op which needs to be there at `$L2' as there's no
      97    code following and the label is a microMIPS branch target (even though
      98    the branch is never taken.  See also insn-casesi.c.  */