gcc/testsuite/gfortran.dg/reassoc_7.f

   1 ! { dg-do compile }
   2 ! { dg-options "-O3 -ffast-math -fdump-tree-optimized" }
   3
   4       SUBROUTINE S55199(P,Dvdph)
   5       implicit none
   6       real(8) :: c1,c2,c3,P,Dvdph
   7       c1=0.1d0
   8       c2=0.2d0
   9       c3=0.3d0
  10       Dvdph = c1 + 2.*P*c2 + 3.*P**2*c3
  11       END
  12
  13 ! There should be two multiplies following un-distribution.
  14
  15 ! { dg-final { scan-tree-dump-times " \\\* " 2 "optimized" } }