gcc/testsuite/gcc.target/i386/cadd.c

   1 /* { dg-do compile } */
   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 void
  10 q()
  11 {
  12   int sum=0;
  13   int i;
  14   for (i=0;i<10;i++)
  15     if (t[i])
  16        sum++;
  17   if (sum != 6)
  18     abort ();
  19 }
  20 int
  21 main()
  22 {
  23   int i;
  24   for (i=0;i<10000000;i++)
  25     q();
  26 }