gcc/testsuite/gcc.target/powerpc/recip-1.c

   1 /* { dg-do compile { target { { powerpc*-*-* } && { ! powerpc*-apple-darwin* } } } } */
   2 /* { dg-require-effective-target powerpc_fprs } */
   3 /* { dg-options "-O2 -mrecip -ffast-math -mdejagnu-cpu=power6" } */
   4 /* { dg-final { scan-assembler-times "frsqrte" 2 } } */
   5 /* { dg-final { scan-assembler-times "fmul" 4 } } */
   6 /* { dg-final { scan-assembler-times "fnmsub" 3 } } */
   7 /* { dg-final { scan-assembler-times "fmadd" 4 } } */
   8
   9 double
  10 rsqrt_d (double a)
  11 {
  12   return 1.0 / __builtin_sqrt (a);
  13 }
  14
  15 float
  16 rsqrt_f (float a)
  17 {
  18   return 1.0f / __builtin_sqrtf (a);
  19 }