gcc/testsuite/gcc.target/powerpc/pr46728-7.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -ffast-math -fno-inline -fno-unroll-loops -lm -mpowerpc-gpopt -fno-ident" } */
   3
   4 #include <math.h>
   5
   6 extern void abort (void);
   7
   8 #define NVALS 6
   9
  10 static double
  11 convert_it_1 (double x)
  12 {
  13   return pow (x, 1.5);
  14 }
  15
  16 static double
  17 convert_it_2 (double x)
  18 {
  19   return pow (x, 2.5);
  20 }
  21
  22 static double
  23 convert_it_3 (double x)
  24 {
  25   return pow (x, -0.5);
  26 }
  27
  28 static double
  29 convert_it_4 (double x)
  30 {
  31   return pow (x, 10.5);
  32 }
  33
  34 int
  35 main (int argc, char *argv[])
  36 {
  37   double values[NVALS] = { 3.0, 1.95, 2.227, 4.0, 256.0, .0008797 };
  38   unsigned i;
  39
  40   for (i = 0; i < NVALS; i++)
  41     {
  42       if (convert_it_1 (values[i]) != sqrt (values[i]) * __builtin_powi (values[i], 1))
  43         abort ();
  44       if (convert_it_2 (values[i]) != sqrt (values[i]) * __builtin_powi (values[i], 2))
  45         abort ();
  46       if (convert_it_3 (values[i]) != sqrt (values[i]) * __builtin_powi (values[i], -1))
  47         abort ();
  48       if (convert_it_4 (values[i]) != sqrt (values[i]) * __builtin_powi (values[i], 10))
  49         abort ();
  50     }
  51
  52   return 0;
  53 }
  54
  55
  56 /* { dg-final { scan-assembler-times "sqrt" 5 { target powerpc*-*-* } } } */
  57 /* { dg-final { scan-assembler-not "bl\[\\. \]+pow" { target powerpc*-*-* } } } */