134 lines
3 KiB
Fortran
134 lines
3 KiB
Fortran
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! { dg-do run }
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! { dg-options "-fcray-pointer" }
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use iso_c_binding, only : c_ptr, c_ptrdiff_t, c_loc
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interface
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subroutine foo (x, y, z, w)
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use iso_c_binding, only : c_ptr
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real, pointer :: x(:), y(:), w(:)
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type(c_ptr) :: z
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end subroutine
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subroutine bar (x, y, z, w)
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use iso_c_binding, only : c_ptr
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real, pointer :: x(:), y(:), w(:)
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type(c_ptr) :: z
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end subroutine
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subroutine baz (x, c)
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real, pointer :: x(:)
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real, allocatable :: c(:)
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end subroutine
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end interface
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type dt
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real, allocatable :: a(:)
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end type
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type (dt) :: b(64)
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real, target :: a(4096+63)
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real, pointer :: p(:), q(:), r(:), s(:)
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real, allocatable :: c(:)
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integer(c_ptrdiff_t) :: o
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integer :: i
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o = 64 - mod (loc (a), 64)
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if (o == 64) o = 0
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o = o / sizeof(0.0)
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p => a(o + 1:o + 1024)
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q => a(o + 1025:o + 2048)
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r => a(o + 2049:o + 3072)
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s => a(o + 3073:o + 4096)
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do i = 1, 1024
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p(i) = i
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q(i) = i
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r(i) = i
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s(i) = i
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end do
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call foo (p, q, c_loc (r(1)), s)
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do i = 1, 1024
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if (p(i) /= i * i + 3 * i + 2) stop 1
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p(i) = i
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end do
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call bar (p, q, c_loc (r(1)), s)
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do i = 1, 1024
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if (p(i) /= i * i + 3 * i + 2) stop 2
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end do
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! Attempt to create 64-byte aligned allocatable
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do i = 1, 64
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allocate (c(1023 + i))
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if (iand (int(loc(c(1)),8), 63_8) == 0) exit
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deallocate (c)
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allocate (b(i)%a(1023 + i))
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allocate (c(1023 + i))
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if (iand (int(loc(c(1)),8), 63_8) == 0) exit
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deallocate (c)
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end do
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if (allocated (c)) then
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do i = 1, 1024
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c(i) = 2 * i
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end do
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call baz (p, c)
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do i = 1, 1024
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if (p(i) /= i * i + 5 * i + 2) stop 3
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end do
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end if
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end
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subroutine foo (x, y, z, w)
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use iso_c_binding, only : c_ptr, c_f_pointer
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real, pointer :: x(:), y(:), w(:), p(:)
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type(c_ptr) :: z
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integer :: i
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real :: pt(1024)
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pointer (ip, pt)
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ip = loc (w)
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!$omp simd aligned (x, y : 64)
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do i = 1, 1024
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x(i) = x(i) * y(i) + 2.0
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end do
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!$omp simd aligned (x, z : 64) private (p)
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do i = 1, 1024
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call c_f_pointer (z, p, shape=[1024])
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x(i) = x(i) + p(i)
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end do
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!$omp simd aligned (x, ip : 64)
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do i = 1, 1024
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x(i) = x(i) + 2 * pt(i)
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end do
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!$omp end simd
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end subroutine
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subroutine bar (x, y, z, w)
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use iso_c_binding, only : c_ptr, c_f_pointer
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real, pointer :: x(:), y(:), w(:), a(:), b(:)
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type(c_ptr) :: z, c
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integer :: i
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real :: pt(1024)
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pointer (ip, pt)
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ip = loc (w)
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a => x
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b => y
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c = z
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!$omp simd aligned (a, b : 64)
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do i = 1, 1024
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a(i) = a(i) * b(i) + 2.0
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end do
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!$omp simd aligned (a, c : 64)
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do i = 1, 1024
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block
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real, pointer :: p(:)
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call c_f_pointer (c, p, shape=[1024])
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a(i) = a(i) + p(i)
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end block
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end do
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!$omp simd aligned (a, ip : 64)
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do i = 1, 1024
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a(i) = a(i) + 2 * pt(i)
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end do
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!$omp end simd
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end subroutine
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subroutine baz (x, c)
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real, pointer :: x(:)
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real, allocatable :: c(:)
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integer :: i
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!$omp simd aligned (x, c : 64)
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do i = 1, 1024
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x(i) = x(i) + c(i)
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end do
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!$omp end simd
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end subroutine baz
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