gcc/testsuite/gcc.dg/builtins-61.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -ffast-math -fdump-tree-optimized" } */
   3
   4 double test1 (double x)
   5 {
   6   return __real __builtin_cexp(x * (__extension__ 1.0iF));
   7 }
   8
   9 double test2(double x)
  10 {
  11   return __imag __builtin_cexp((__extension__ 1.0iF) * x);
  12 }
  13
  14 double test3(double x)
  15 {
  16   _Complex c = __builtin_cexp(x * (__extension__ 1.0iF));
  17   return __imag c + __real c;
  18 }
  19
  20 double test4(double x, double y)
  21 {
  22   _Complex c = __builtin_cexp(x);
  23   x = __builtin_exp (x);
  24   return x - __real c;
  25 }
  26
  27 /* { dg-final { scan-tree-dump "cexpi" "optimized" } } */
  28 /* { dg-final { scan-tree-dump "sin" "optimized" } } */
  29 /* { dg-final { scan-tree-dump "cos" "optimized" } } */
  30 /* { dg-final { scan-tree-dump "return 0.0" "optimized" } } */
  31 /* { dg-final { cleanup-tree-dump "optimized" } } */