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annotate gcc/testsuite/gfortran.dg/pr81303.f @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
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131
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1 ! { dg-do compile }
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2 ! { dg-options "-O3 -ffast-math -floop-interchange -fdump-tree-linterchange-details" }
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3
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4 subroutine mat_times_vec(y,x,a,axp,ayp,azp,axm,aym,azm,
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5 $ nb,nx,ny,nz)
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6 implicit none
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7 integer nb,nx,ny,nz,i,j,k,m,l,kit,im1,ip1,jm1,jp1,km1,kp1
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8
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9 real*8 y(nb,nx,ny,nz),x(nb,nx,ny,nz)
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10
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11 real*8 a(nb,nb,nx,ny,nz),
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12 1 axp(nb,nb,nx,ny,nz),ayp(nb,nb,nx,ny,nz),azp(nb,nb,nx,ny,nz),
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13 2 axm(nb,nb,nx,ny,nz),aym(nb,nb,nx,ny,nz),azm(nb,nb,nx,ny,nz)
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14
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15
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16 do k=1,nz
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17 km1=mod(k+nz-2,nz)+1
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18 kp1=mod(k,nz)+1
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19 do j=1,ny
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20 jm1=mod(j+ny-2,ny)+1
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21 jp1=mod(j,ny)+1
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22 do i=1,nx
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23 im1=mod(i+nx-2,nx)+1
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24 ip1=mod(i,nx)+1
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25 do l=1,nb
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26 y(l,i,j,k)=0.0d0
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27 do m=1,nb
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28 y(l,i,j,k)=y(l,i,j,k)+
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29 1 a(l,m,i,j,k)*x(m,i,j,k)+
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30 2 axp(l,m,i,j,k)*x(m,ip1,j,k)+
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31 3 ayp(l,m,i,j,k)*x(m,i,jp1,k)+
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32 4 azp(l,m,i,j,k)*x(m,i,j,kp1)+
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33 5 axm(l,m,i,j,k)*x(m,im1,j,k)+
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34 6 aym(l,m,i,j,k)*x(m,i,jm1,k)+
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35 7 azm(l,m,i,j,k)*x(m,i,j,km1)
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36 enddo
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37 enddo
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38 enddo
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39 enddo
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40 enddo
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41 return
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42 end
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43
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44 ! { dg-final { scan-tree-dump-times "is interchanged" 1 "linterchange" } }