mirror of git://gcc.gnu.org/git/gcc.git
73 lines
1.8 KiB
Fortran
73 lines
1.8 KiB
Fortran
! { dg-do run { target vect_simd_clones } }
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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 SIMD2_mod
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contains
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function add1(a,b,fact) result(c)
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!$omp declare simd(add1) uniform(fact)
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double precision :: a,b,fact, c
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c = a + b + fact
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end function
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function add2(a,b,i, fact) result(c)
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!$omp declare simd(add2) uniform(a,b,fact) linear(i:1)
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integer, value :: i
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double precision, dimension(:) :: a, b
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double precision :: fact, c
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c = a(i) + b(i) + fact
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end function
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subroutine work(a, b, n )
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implicit none
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double precision :: a(n),b(n), tmp
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integer :: n, i
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!$omp simd private(tmp)
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do i = 1,n
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tmp = add1(a(i), b(i), 1.0d0)
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a(i) = add2(a, b, i, 1.0d0) + tmp
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a(i) = a(i) + b(i) + 1.0d0
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end do
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end subroutine
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subroutine work_ref(a, b, n )
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implicit none
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double precision :: a(n),b(n), tmp
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integer :: n, i
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do i = 1,n
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tmp = add1(a(i), b(i), 1.0d0)
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a(i) = add2(a, b, i, 1.0d0) + tmp
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a(i) = a(i) + b(i) + 1.0d0
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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, n
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double precision, parameter :: EPS = 0.0000000000001
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double precision :: diff, a(*), b(*)
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do i = 1, n
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diff = a(i) - b(i)
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if (diff > EPS .or. -diff > EPS) call abort
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end do
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end subroutine
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end module
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program main
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use SIMD2_mod
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integer, parameter :: N=32
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integer :: i
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double precision :: a(N), b(N), a_ref(N)
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do i = 1,N
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a(i) = i-1
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a_ref(i) = a(i)
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b(i) = N-(i-1)
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end do
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call work(a, b, N )
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call work_ref(a_ref, b, N )
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call check(a, a_ref, N )
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end program
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