gcc/testsuite/gcc.target/powerpc/ppc-pow.c

   1 /* { dg-do compile { target { { powerpc*-*-* } && { ! powerpc*-apple-darwin* } } } } */
   2 /* { dg-options "-O2 -ffast-math -mcpu=power6" } */
   3 /* { dg-final { scan-assembler-times "fsqrt" 3 } } */
   4 /* { dg-final { scan-assembler-times "fmul" 1 } } */
   5 /* { dg-final { scan-assembler-times "bl? pow" 1 } } */
   6 /* { dg-final { scan-assembler-times "bl? sqrt" 1 } } */
   7
   8 double
   9 do_pow_0_75_default (double a)
  10 {
  11   return __builtin_pow (a, 0.75);       /* should generate 2 fsqrts */
  12 }
  13
  14 double
  15 do_pow_0_5_default (double a)
  16 {
  17   return __builtin_pow (a, 0.5);        /* should generate fsqrt */
  18 }
  19
  20 #pragma GCC target "no-powerpc-gpopt,no-powerpc-gfxopt"
  21
  22 double
  23 do_pow_0_75_nosqrt (double a)
  24 {
  25   return __builtin_pow (a, 0.75);       /* should call pow */
  26 }
  27
  28 double
  29 do_pow_0_5_nosqrt (double a)
  30 {
  31   return __builtin_pow (a, 0.5);        /* should call sqrt */
  32 }
  33
  34 #pragma GCC reset_options