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https://github.com/autc04/Retro68.git
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152 lines
2.8 KiB
Fortran
152 lines
2.8 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 SIMD6_mod
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contains
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function foo(p) result(r)
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!$omp declare simd(foo) notinbranch
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integer :: p, r
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p = p + 10
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r = p
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end function foo
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function myaddint(a, b, n) result(r)
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implicit none
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integer :: a(*), b(*), n, r
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integer :: i
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!$omp simd
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do i=1, n
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a(i) = foo(b(i)) ! foo is not called under a condition
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end do
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r = a(n)
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end function myaddint
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function myaddint_ref(a, b, n) result(r)
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implicit none
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integer :: a(*), b(*), n, r
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integer :: i
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do i=1, n
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a(i) = foo(b(i))
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end do
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r = a(n)
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end function myaddint_ref
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function goo(p) result(r)
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!$omp declare simd(goo) inbranch
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real :: p, r
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p = p + 18.5
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r = p
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end function goo
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function myaddfloat(x, y, n) result(r)
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implicit none
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real :: x(*), y(*), r
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integer :: n
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integer :: i
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!$omp simd
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do i=1, n
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if (x(i) > y(i)) then
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x(i) = goo(y(i))
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! goo is called under the condition (or within a branch)
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else
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x(i) = y(i)
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endif
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end do
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r = x(n)
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end function myaddfloat
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function myaddfloat_ref(x, y, n) result(r)
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implicit none
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real :: x(*), y(*), r
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integer :: n
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integer :: i
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do i=1, n
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if (x(i) > y(i)) then
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x(i) = goo(y(i))
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else
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x(i) = y(i)
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endif
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end do
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r = x(n)
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end function myaddfloat_ref
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subroutine init (b, y, n)
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integer :: b(128)
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real :: y(128)
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s = -1
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do i = 1, n
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b(i) = i*i*s
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y(i) = i*i*s
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s = -s
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end do
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end subroutine
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subroutine init2 (b, y, n)
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integer :: b(128)
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real :: y(128)
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do i = 1, n
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b(i) = i
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y(i) = i
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end do
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end subroutine
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subroutine checkfloat (a, b, n)
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integer :: i, n
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real, parameter :: EPS = 0.000001
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real :: 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) STOP 1
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end do
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end subroutine
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subroutine checkint (a, b, n)
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integer :: i, n, a(*), b(*)
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do i = 1, n
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if (a(i) .ne. b(i)) STOP 2
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end do
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end subroutine
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subroutine test ()
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integer :: a(128), a_ref(128), b(128), ri, ri_ref
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real :: x(128), x_ref(128), y(128), rf, rf_ref
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call init2(a, x, 128)
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call init2(a_ref, x_ref, 128)
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call init(b, y, 128)
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ri = myaddint (a, b, 128)
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rf = myaddfloat (x, y, 128)
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call init(b, y, 128)
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ri_ref = myaddint_ref (a_ref, b, 128)
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rf_ref = myaddfloat_ref (x_ref, y, 128)
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call checkint (a, a_ref, 128)
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call checkfloat (x, x_ref, 128)
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end subroutine
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end module
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program SIMD6
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use SIMD6_mod, only: test
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call test ()
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end program
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