gcc/testsuite/gcc.target/i386/pr26778.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target ia32 } */
   3 /* { dg-options "-O2 -march=pentium3" } */
   4
   5 typedef union {
   6   long long l;
   7   double d;
   8 } db_number;
   9
  10 double test(double x[3]) {
  11   double th = x[1] + x[2];
  12   if (x[2] != th - x[1]) {
  13     db_number thdb;
  14     thdb.d = th;
  15     thdb.l++;
  16     th = thdb.d;
  17   }
  18   return x[0] + th;
  19 }
  20
  21 /* { dg-final { scan-assembler-not "mov.ps" } } */