gcc/testsuite/gcc.target/powerpc/bfp/scalar-cmp-exp-lt-3.c

   1 /* { dg-do run { target { powerpc*-*-* } } } */
   2 /* { dg-require-effective-target p9vector_hw } */
   3 /* { dg-options "-mdejagnu-cpu=power9" } */
   4
   5 /* This test should succeed on 32-bit and 64-bit configurations.  */
   6 #include <altivec.h>
   7 #include <stdlib.h>
   8
   9 int
  10 compare_exponents_lt (double *exponent1_p, double *exponent2_p)
  11 {
  12   double exponent1 = *exponent1_p;
  13   double exponent2 = *exponent2_p;
  14
  15   return scalar_cmp_exp_lt (exponent1, exponent2);
  16 }
  17
  18 int
  19 main ()
  20 {
  21   double x = (double) (0x1100LL << 50);
  22   double y = (double) (0x1101LL << 50);
  23   double z = (double) (0x1101LL << 37);
  24
  25   if (compare_exponents_lt (&x, &y))
  26     abort ();
  27   if (!compare_exponents_lt (&z, &x))
  28     abort ();
  29   return 0;
  30 }