gcc/testsuite/gcc.target/i386/signbit-3.c

   1 /* PR optimization/8746 */
   2 /* { dg-do run } */
   3 /* { dg-require-effective-target ia32 } */
   4 /* { dg-options "-O1 -mtune=i586" } */
   5
   6 extern void abort (void);
   7
   8 volatile int j;
   9
  10 void f0() { j=0; }
  11 void f1() { j=1; }
  12
  13 int foo(int x)
  14 {
  15   if ((short int)(x&0x8000) > (short int)0)
  16   {
  17     f0();
  18     return 0;
  19   }
  20   else
  21   {
  22     f1();
  23     return 1;
  24   }
  25 }
  26
  27 int main(void)
  28 {
  29   if (foo(0x8000) != 1)
  30     abort();
  31
  32    return 0;
  33 }