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Diffstat (limited to 'gcc/testsuite/gfortran.dg/graphite/interchange-1.f')
| -rw-r--r-- | gcc/testsuite/gfortran.dg/graphite/interchange-1.f | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/graphite/interchange-1.f b/gcc/testsuite/gfortran.dg/graphite/interchange-1.f new file mode 100644 index 000000000..334fbd824 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/graphite/interchange-1.f @@ -0,0 +1,45 @@ + subroutine foo(f1,f2,f3,f4,f5,f6,f7,f8,f9,f0,g1,g2,g3) + implicit none + integer f4,f3,f2,f1 + integer g4,g5,g6,g7,g8,g9 + integer i1,i2,i3,i4,i5 + + real*8 g1(5,f3,f2,f1),g2(5,5,f3,f2,f1),g3(5,f3,f2,f1) + real*8 f0(5,5,f3,f2,f1),f9(5,5,f3,f2,f1),f8(5,5,f3,f2,f1) + real*8 f7(5,5,f3,f2,f1),f6(5,5,f3,f2,f1),f5(5,5,f3,f2,f1) + + do i3=1,f1 + g8=mod(i3+f1-2,f1)+1 + g9=mod(i3,f1)+1 + do i4=1,f2 + g6=mod(i4+f2-2,f2)+1 + g7=mod(i4,f2)+1 + do i5=1,f3 + g4=mod(i5+f3-2,f3)+1 + g5=mod(i5,f3)+1 + do i1=1,5 + g3(i1,i5,i4,i3)=0.0d0 + do i2=1,5 + g3(i1,i5,i4,i3)=g3(i1,i5,i4,i3)+ + 1 g2(i1,i2,i5,i4,i3)*g1(i2,i5,i4,i3)+ + 2 f0(i1,i2,i5,i4,i3)*g1(i2,g5,i4,i3)+ + 3 f9(i1,i2,i5,i4,i3)*g1(i2,i5,g7,i3)+ + 4 f8(i1,i2,i5,i4,i3)*g1(i2,i5,i4,g9)+ + 5 f7(i1,i2,i5,i4,i3)*g1(i2,g4,i4,i3)+ + 6 f6(i1,i2,i5,i4,i3)*g1(i2,i5,g6,i3)+ + 7 f5(i1,i2,i5,i4,i3)*g1(i2,i5,i4,g8) + enddo + enddo + enddo + enddo + enddo + return + end + + +! We should be able to interchange this as the number of iterations is +! known to be 4 in the inner two loops. See interchange-2.f for the +! kernel from bwaves. + +! { dg-final { scan-tree-dump-times "will be interchanged" 1 "graphite" { xfail *-*-* } } } +! { dg-final { cleanup-tree-dump "graphite" } } |