1  /* { dg-do compile } */
       2  /* { dg-options "-fdump-rtl-peephole2 -dp" } */
       3  /* { dg-skip-if "code quality test" { *-*-* } { "-O0" "-O1" } { "" } } */
       4  
       5  typedef int __attribute__ ((mode (SI))) int_t;
       6  
       7  int_t
       8  eq_ctzsi (int_t x)
       9  {
      10    int_t v;
      11  
      12    v = __builtin_ctz (x);
      13    if (x == 0)
      14      return v;
      15    else
      16      return v + 2;
      17  }
      18  
      19  /* Expect assembly like:
      20  
      21  	movl 4(%ap),%r1			# 32	[c=16]  *movsi_2
      22  	ffs $0,$32,%r1,%r0		# 45	[c=4]  *ctzsi2_ccz
      23  	jeql .L1			# 35	[c=26]  *branch_ccz
      24  	addl2 $2,%r0			# 31	[c=32]  *addsi3
      25  .L1:
      26  
      27   */
      28  
      29  /* { dg-final { scan-rtl-dump-times "Splitting with gen_peephole2" 1 "peephole2" } } */
      30  /* { dg-final { scan-assembler-not "\t(bit|cmpz?|tst). " } } */
      31  /* { dg-final { scan-assembler "ctzsi\[^ \]*_ccz(/\[0-9\]+)?\n" } } */
      32  /* { dg-final { scan-assembler "branch_ccz\n" } } */