gcc/testsuite/gfortran.dg/pr42294.f

   1 C PR rtl-optimization/42294
   2 C { dg-do compile { target powerpc*-*-* ia64-*-* i?86-*-* x86_64-*-* } }
   3 C { dg-options "-O2 -fselective-scheduling2 -fsel-sched-pipelining -funroll-all-loops" }
   4
   5       SUBROUTINE ORIEN(IW,NATOT,NTOTORB,NATORB,P,T)
   6       IMPLICIT DOUBLE PRECISION(A-H,O-Z)
   7       DIMENSION NATORB(NATOT),P(NTOTORB*(NTOTORB+1)/2)
   8       DIMENSION T(NTOTORB,NTOTORB)
   9       DO 9000 IATOM=1,NATOT
  10          ILAST = NTOTORB
  11          IF (IATOM.NE.NATOT) ILAST=NATORB(IATOM+1)-1
  12          DO 8000 IAOI=NATORB(IATOM),ILAST
  13             DO 7000 IAOJ = IAOI+1,ILAST
  14                R2 = 0.0D+00
  15                R3 = 0.0D+00
  16                DO 6000 INOTA=1,NATOT
  17                   DO 5000 IK=NATORB(INOTA),NTOTORB
  18                      IMAI=MAX(IK,IAOI)
  19                      IMII=MIN(IK,IAOI)
  20                      IMAJ=MAX(IK,IAOJ)
  21                      IMIJ=MIN(IK,IAOJ)
  22                      IKI=(IMAI*(IMAI-1))/2 + IMII
  23                      IKJ=(IMAJ*(IMAJ-1))/2 + IMIJ
  24                      PIKI=P(IKI)
  25                      PIKJ=P(IKJ)
  26                      R2 = R2 + (PIKI**4)-6*(PIKI*PIKI*PIKJ*PIKJ)+(PIKJ)
  27  5000             CONTINUE
  28  6000          CONTINUE
  29                R2 = (R2/4.0D+00)
  30                Q = SQRT(R2*R2 + R3*R3)
  31                IF (Q.LT.1.0D-08) GO TO 7000
  32                A = COS(THETA)
  33                B = -SIN(THETA)
  34                CALL ROT1INT(NTOTORB,IAOI,IAOJ,A,B,P)
  35  7000       CONTINUE
  36  8000    CONTINUE
  37  9000 CONTINUE
  38       RETURN
  39       END
  40
  41