gcc/testsuite/gfortran.dg/power_6.f90

   1 ! { dg-do compile }
   2 ! { dg-options "-O1 -fdump-tree-optimized" }
   3 !
   4 ! PR middle-end/57073
   5 ! See also PR 57073
   6 !
   7 real function f(k)
   8   integer, value :: k
   9   f = (-1.0)**k
  10 end
  11
  12 ! { dg-final { scan-tree-dump-not "__builtin_powif"  "optimized" } }
  13 ! { dg-final { scan-tree-dump "powi_cond_\[0-9\] = k_\[0-9\]\\(D\\) & 1;"  "optimized" } }
  14 ! { dg-final { scan-tree-dump "powi_\[0-9\] = powi_cond_\[0-9\] \\? -1.0e\\+0 : 1.0e\\+0;"  "optimized" } }
  15 ! { dg-final { cleanup-tree-dump "optimized" } }