gcc/testsuite/gcc.target/powerpc/ppc-fma-6.c

   1 /* { dg-do compile { target { powerpc*-*-* } } } */
   2 /* { dg-skip-if "" { powerpc*-*-darwin* } { "*" } { "" } } */
   3 /* { dg-require-effective-target ilp32 } */
   4 /* { dg-options "-O2 -mcpu=power5 -std=c99 -msoft-float" } */
   5 /* { dg-final { scan-assembler-not "fmadd" } } */
   6 /* { dg-final { scan-assembler-not "xsfmadd" } } */
   7
   8 /* Test whether -msoft-float turns off the macros math.h uses for
   9    FP_FAST_FMA{,F,L}.  */
  10 #ifdef __FP_FAST_FMA
  11 #error "__FP_FAST_FMA should not be defined"
  12 #endif
  13
  14 #ifdef __FP_FAST_FMAF
  15 #error "__FP_FAST_FMAF should not be defined"
  16 #endif
  17
  18 double
  19 builtin_fma (double b, double c, double d)
  20 {
  21   return __builtin_fma (b, c, d);                       /* bl fma  */
  22 }
  23
  24 float
  25 builtin_fmaf (float b, float c, float d)
  26 {
  27   return __builtin_fmaf (b, c, -d);                     /* bl fmaf */
  28 }