Subversion Repositories openrisc_2011-10-31

C PR rtl-optimization/42294

C { dg-do compile { target powerpc*-*-* ia64-*-* x86_64-*-* } }

C { dg-options "-O2 -fselective-scheduling2 -fsel-sched-pipelining -funroll-all-loops" }

      SUBROUTINE ORIEN(IW,NATOT,NTOTORB,NATORB,P,T)

      IMPLICIT DOUBLE PRECISION(A-H,O-Z)

      DIMENSION NATORB(NATOT),P(NTOTORB*(NTOTORB+1)/2)

      DIMENSION T(NTOTORB,NTOTORB)

      DO 9000 IATOM=1,NATOT

         ILAST = NTOTORB

         IF (IATOM.NE.NATOT) ILAST=NATORB(IATOM+1)-1

         DO 8000 IAOI=NATORB(IATOM),ILAST

            DO 7000 IAOJ = IAOI+1,ILAST

               R2 = 0.0D+00

               R3 = 0.0D+00

               DO 6000 INOTA=1,NATOT

                  DO 5000 IK=NATORB(INOTA),NTOTORB

                     IMAI=MAX(IK,IAOI)

                     IMII=MIN(IK,IAOI)

                     IMAJ=MAX(IK,IAOJ)

                     IMIJ=MIN(IK,IAOJ)

                     IKI=(IMAI*(IMAI-1))/2 + IMII

                     IKJ=(IMAJ*(IMAJ-1))/2 + IMIJ

                     PIKI=P(IKI)

                     PIKJ=P(IKJ)

                     R2 = R2 + (PIKI**4)-6*(PIKI*PIKI*PIKJ*PIKJ)+(PIKJ)

 5000             CONTINUE

 6000          CONTINUE

               R2 = (R2/4.0D+00)

               Q = SQRT(R2*R2 + R3*R3)

               IF (Q.LT.1.0D-08) GO TO 7000

               A = COS(THETA)

               B = -SIN(THETA)

               CALL ROT1INT(NTOTORB,IAOI,IAOJ,A,B,P)

 7000       CONTINUE

 8000    CONTINUE

 9000 CONTINUE

      RETURN

      END