gcc/testsuite/gfortran.dg/pr52621.f90

   1 ! { dg-do compile }
   2 ! { dg-options "-O2 -fprefetch-loop-arrays -w" }
   3
   4       SUBROUTINE GHDSYM(IZ,IS,LMMAX,S,LMS,Y,L2M,DRL,NLAY2,K0,DCUT)!,
   5 !
   6       COMPLEX Y(L2M,L2M),H(33),S(LMS)
   7       COMPLEX RU,CI,CZ,K0,FF,Z,Z1,Z2,Z3,ST
   8 !
   9       DO 140 KK=1,4
  10             DO 130 L=1,L2M
  11                L1=L*L-L
  12                DO 120 M=1,L
  13                   IPM=L1+M
  14                   IMM=L1-M+2
  15                   S(IPM)=S(IPM)+Z3*Y(L,M)
  16                   IF (M.NE.1) S(IMM)=S(IMM)+Z3*Y(M-1,L)*CSGN
  17 120            CONTINUE
  18 130         CONTINUE
  19 140   CONTINUE
  20       END