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_ffssi (int_t x)
       9  {
      10    return __builtin_ffs (x);
      11  }
      12  
      13  /* Expect assembly like:
      14  
      15  	movl 4(%ap),%r1			# 28	[c=16]  *movsi_2
      16  	ffs $0,$32,%r1,%r0		# 41	[c=4]  *ctzsi2_ccz
      17  	jneq .L2			# 31	[c=26]  *branch_ccz
      18  	mnegl $1,%r0			# 27	[c=8]  *negsi2
      19  .L2:
      20  	incl %r0			# 26	[c=32]  *addsi3
      21  
      22   */
      23  
      24  /* { dg-final { scan-rtl-dump-times "Splitting with gen_peephole2" 1 "peephole2" } } */
      25  /* { dg-final { scan-assembler-not "\t(bit|cmpz?|tst). " } } */
      26  /* { dg-final { scan-assembler "ctzsi\[^ \]*_ccz(/\[0-9\]+)?\n" } } */
      27  /* { dg-final { scan-assembler "branch_ccz\n" } } */