gcc/testsuite/gfortran.dg/20181025-1.f

   1 ! { dg-do compile }
   2 ! { dg-options "-Ofast" }
   3 ! { dg-additional-options "-mavx2" { target { x86_64-*-* i?86-*-* } } }
   4       SUBROUTINE FOO(EF3,CA,ZA,NATA,IC4,NFRGPT)
   5       IMPLICIT DOUBLE PRECISION (A-H,O-Z)
   6       PARAMETER (MXATM=500)
   7       COMMON DE(3,MXATM)
   8       DIMENSION CA(3,NATA)
   9       DIMENSION ZA(NATA)
  10       DIMENSION EF3(3,NFRGPT)
  11       DO II = 1,NATA
  12          XII = XJ - CA(1,II)
  13          YII = YJ - CA(2,II)
  14          ZII = ZJ - CA(3,II)
  15          RJII = SQRT(XII*XII + YII*YII + ZII*ZII)
  16          R3 = RJII*RJII*RJII
  17          IF (IC4.EQ.0) THEN
  18             DE(1,II) = DE(1,II) - S2*ZA(II)*XII/R3
  19             DE(2,II) = DE(2,II) - S2*ZA(II)*YII/R3
  20             DE(3,II) = DE(3,II) - S2*ZA(II)*ZII/R3
  21          ELSE
  22             EF3(1,IC4+II) = EF3(1,IC4+II) - S2*ZA(II)*XII/R3
  23             EF3(2,IC4+II) = EF3(2,IC4+II) - S2*ZA(II)*YII/R3
  24             EF3(3,IC4+II) = EF3(3,IC4+II) - S2*ZA(II)*ZII/R3
  25          END IF
  26       END DO
  27       RETURN
  28       END