gcc/testsuite/gcc.target/aarch64/frecpe_2.c

   1 /* { dg-options "-Ofast -mlow-precision-div" } */
   2 /* { dg-do compile } */
   3
   4 float
   5 f1 (float x, float y)
   6 {
   7   return y / x;
   8 }
   9
  10 /* { dg-final { scan-assembler {\tfrecpe\t(s[0-9]+), s0\n\tfrecps\t(s[0-9]+), \1, s0\n\tfmul\t\1, \1, s1\n\tfmul\ts0, \1, \2\n} } } */
  11
  12 double
  13 f2 (double x, double y)
  14 {
  15   return y / x;
  16 }
  17
  18 /* { dg-final { scan-assembler {\tfrecpe\t(d[0-9]+), d0\n\tfrecps\t(d[0-9]+), \1, d0\n\tfmul\t\1, \1, \2\n\tfrecps\t\2, \1, d0\n\tfmul\t\1, \1, d1\n\tfmul\td0, \1, \2\n} } } */