gcc/testsuite/gcc.target/powerpc/ppc-fma-5.c

   1 /* { dg-do run { target { powerpc*-*-* } } } */
   2 /* { dg-skip-if "" { powerpc*-*-darwin* } { "*" } { "" } } */
   3 /* { dg-require-effective-target powerpc_fprs } */
   4 /* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power5" } } */
   5 /* { dg-options "-O2 -mcpu=power5 -std=c99" } */
   6
   7 #ifndef __FP_FAST_FMA
   8 #error "__FP_FAST_FMA should be defined"
   9 #endif
  10
  11 #ifndef __FP_FAST_FMAF
  12 #error "__FP_FAST_FMAF should be defined"
  13 #endif
  14
  15 double d_a = 2.0,  d_b = 3.0,  d_c = 4.0;
  16 float  f_a = 2.0f, f_b = 3.0f, f_c = 4.0f;
  17
  18 int
  19 main (void)
  20 {
  21   if (__builtin_fma (d_a, d_b, d_c) != (2.0 * 3.0) + 4.0)
  22     __builtin_abort ();
  23
  24   if (__builtin_fmaf (f_a, f_b, f_c) != (2.0f * 3.0f) + 4.0f)
  25     __builtin_abort ();
  26
  27   return 0;
  28 }