gcc/testsuite/gcc.target/sh/sh4a-fsrra.c

   1 /* Verify that we generate single-precision square root reciprocal
   2    approximate (fsrra) in fast math mode on SH4A with FPU.  */
   3 /* { dg-do compile { target "sh*-*-*" } } */
   4 /* { dg-options "-O -ffast-math" } */
   5 /* { dg-skip-if "" { "sh*-*-*" } { "*" } { "-m4a" "-m4a-single" "-m4a-single-only" } }  */
   6 /* { dg-final { scan-assembler "fsrra" } } */
   7
   8 #include <math.h>
   9
  10 float test(float f) { return 1 / sqrtf(f); }
  11