mirror of git://gcc.gnu.org/git/gcc.git
77 lines
1.5 KiB
Fortran
77 lines
1.5 KiB
Fortran
! { dg-do run }
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! { dg-additional-options "-msse2" { target sse2_runtime } }
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! { dg-additional-options "-mavx" { target avx_runtime } }
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module SIMD5_mod
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contains
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subroutine work( a, b, c, n )
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implicit none
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integer :: i,j,n
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double precision :: a(n,n), b(n,n), c(n,n), tmp
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!$omp do simd collapse(2) private(tmp)
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do j = 1,n
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do i = 1,n
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tmp = a(i,j) + b(i,j)
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c(i,j) = tmp
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end do
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end do
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end subroutine work
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subroutine work_ref( a, b, c, n )
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implicit none
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integer :: i,j,n
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double precision :: a(n,n), b(n,n), c(n,n), tmp
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do j = 1,n
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do i = 1,n
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tmp = a(i,j) + b(i,j)
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c(i,j) = tmp
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end do
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end do
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end subroutine work_ref
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subroutine init (a, b, n)
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integer :: i,j,n,s
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double precision :: a(n,n), b(n,n)
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s = -1
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do j = 1,n
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do i = 1,n
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a(i,j) = i*j*s
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b(i,j) = i+j
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s = -s
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end do
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end do
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end subroutine
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subroutine check (a, b, n)
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integer :: i, j, n
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double precision, parameter :: EPS = 0.0000000000000001
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double precision :: diff, a(n,n), b(n,n)
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do j = 1, n
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do i = 1, n
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diff = a(i,j) - b(i,j)
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if (diff > EPS .or. -diff > EPS) call abort
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end do
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end do
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end subroutine
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end module
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program SIMD5
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use SIMD5_mod
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double precision, dimension(32, 32) :: a, b, c, c_ref
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call init(a, b, 32)
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call work(a, b, c, 32)
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call work_ref(a, b, c_ref, 32)
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call check(c, c_ref, 32)
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end program
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