gcc/testsuite/gcc.target/aarch64/sve/recip_2.c

/* { dg-options "-Ofast -mlow-precision-div" } */

#define DEF_LOOP(TYPE)						\
  void								\
  test_##TYPE (TYPE *restrict x, TYPE *restrict y, int n)	\
  {								\
    for (int i = 0; i < n; ++i)					\
      x[i] /= y[i];						\
  }

#define TEST_ALL(T)	\
  T (_Float16)		\
  T (float)		\
  T (double)

TEST_ALL (DEF_LOOP)

/* { dg-final { scan-assembler-not {\tfrecpe\tz[0-9]+\.h} } } */
/* { dg-final { scan-assembler-not {\tfrecps\tz[0-9]+\.h} } } */

/* { dg-final { scan-assembler-times {\tfmul\tz[0-9]+\.s} 2 } } */
/* { dg-final { scan-assembler-times {\tfrecpe\tz[0-9]+\.s} 1 } } */
/* { dg-final { scan-assembler-times {\tfrecps\tz[0-9]+\.s} 1 } } */

/* { dg-final { scan-assembler-times {\tfmul\tz[0-9]+\.d} 3 } } */
/* { dg-final { scan-assembler-times {\tfrecpe\tz[0-9]+\.d} 1 } } */
/* { dg-final { scan-assembler-times {\tfrecps\tz[0-9]+\.d} 2 } } */