gcc/testsuite/gcc.target/powerpc/pr46728-4.c

   1 /* { dg-do compile } */
   2 /* { dg-skip-if "No __builtin_cbrt" { powerpc*-*-darwin* } } */
   3 /* { dg-options "-O2 -ffast-math -fno-inline -fno-unroll-loops -lm -mpowerpc-gpopt -fno-ident" } */
   4
   5 #include <math.h>
   6
   7 extern void abort (void);
   8
   9 #define NVALS 6
  10
  11 static double
  12 convert_it (double x)
  13 {
  14   return pow (x, 1.0 / 3.0);
  15 }
  16
  17 int
  18 main (int argc, char *argv[])
  19 {
  20   double values[NVALS] = { 3.0, 1.95, 2.227, 729.0, 64.0, .0008797 };
  21   unsigned i;
  22
  23   for (i = 0; i < NVALS; i++)
  24     if (convert_it (values[i]) != cbrt (values[i]))
  25       abort ();
  26
  27   return 0;
  28 }
  29
  30
  31 /* { dg-final { scan-assembler-times "cbrt" 2 { target powerpc*-*-* } } } */
  32 /* { dg-final { scan-assembler-not "bl\[\\. \]+pow" { target powerpc*-*-* } } } */