gcc/testsuite/gcc.dg/i386-cadd.c

   1 /* { dg-do compile { target i?86-*-* x86_64-*-* } } */
   2 /* { dg-options "-O2 -march=k8" } */
   3 /* { dg-final { scan-assembler "sbb" } } */
   4
   5 extern void abort (void);
   6
   7 /* Conditional increment is best done using sbb $-1, val.  */
   8 int t[]={0,0,0,0,1,1,1,1,1,1};
   9 q()
  10 {
  11   int sum=0;
  12   int i;
  13   for (i=0;i<10;i++)
  14     if (t[i])
  15        sum++;
  16   if (sum != 6)
  17     abort ();
  18 }
  19 main()
  20 {
  21   int i;
  22   for (i=0;i<10000000;i++)
  23     q();
  24 }