1  /* Test whether using target specific options, we can generate the reciprocal
       2     square root instruction.  */
       3  /* { dg-do compile } */
       4  /* { dg-options "-O2 -march=k8 -mno-recip -mfpmath=sse -ffast-math" } */
       5  
       6  float do_recip  (float a) __attribute__((__target__("recip")));
       7  float do_normal (float a);
       8  
       9  float do_recip  (float a) { return 1.0f / __builtin_sqrtf (a); }
      10  float do_normal (float a) { return 1.0f / __builtin_sqrtf (a); }
      11  
      12  /* { dg-final { scan-assembler "sqrtss" } } */
      13  /* { dg-final { scan-assembler "rsqrtss" } } */