1  /* { dg-do compile } */
       2  /* { dg-options "-fdump-rtl-cmpelim -dp" } */
       3  /* { dg-skip-if "code quality test" { *-*-* } { "-O0" } { "" } } */
       4  
       5  typedef signed int __attribute__ ((mode (SI))) int_t;
       6  typedef union
       7    {
       8      int_t i;
       9      struct
      10        {
      11  	int_t h : 7;
      12  	int_t i : 18;
      13  	int_t l : 7;
      14        } b;
      15    }
      16  bit_t;
      17  
      18  int
      19  lt_insvsi (bit_t x, int_t y)
      20  {
      21    int_t v;
      22  
      23    v = x.b.i;
      24    x.b.i = y;
      25    if (v < 0)
      26      return x.i;
      27    else
      28      return x.i + 2;
      29  }
      30  
      31  /* Expect assembly like:
      32  
      33  	movl 4(%ap),%r0			# 37	[c=16]  *movsi_2
      34  	extv $7,$18,%r0,%r1		# 38	[c=60]  *extv_non_const_2_ccn
      35  	insv 8(%ap),$7,$18,%r0		# 8	[c=16]  *insv_2
      36  	jlss .L1			# 40	[c=26]  *branch_ccn
      37  	addl2 $2,%r0			# 36	[c=32]  *addsi3
      38  .L1:
      39  
      40   */
      41  
      42  /* { dg-final { scan-rtl-dump-times "deleting insn with uid" 1 "cmpelim" } } */
      43  /* { dg-final { scan-assembler-not "\t(bit|cmpz?|tst). " } } */
      44  /* { dg-final { scan-assembler "extv\[^ \]*_ccn(/\[0-9\]+)?\n" } } */
      45  /* { dg-final { scan-assembler "extv.*insv.*branch" } } */
      46  /* { dg-final { scan-assembler "branch_ccn\n" } } */