Imported gcc-4.4.3

[msp430-gcc.git] / libgomp / testsuite / libgomp.fortran / omp_parse2.f90

diff --git a/libgomp/testsuite/libgomp.fortran/omp_parse2.f90 b/libgomp/testsuite/libgomp.fortran/omp_parse2.f90
new file mode 100644 (file)
index 0000000..da54a98
--- /dev/null
+++ b/libgomp/testsuite/libgomp.fortran/omp_parse2.f90
@@ -0,0 +1,102 @@
+! { dg-do run }
+use omp_lib
+  call test_master
+  call test_critical
+  call test_barrier
+  call test_atomic
+
+contains
+  subroutine test_master
+    logical :: i, j
+    i = .false.
+    j = .false.
+!$omp parallel num_threads (4)
+!$omp master
+    i = .true.
+    j = omp_get_thread_num () .eq. 0
+!$omp endmaster
+!$omp end parallel
+    if (.not. (i .or. j)) call abort
+  end subroutine test_master
+
+  subroutine test_critical_1 (i, j)
+    integer :: i, j
+!$omp critical(critical_foo) 
+    i = i + 1
+!$omp end critical (critical_foo)
+!$omp critical
+    j = j + 1
+!$omp end critical
+    end subroutine test_critical_1
+
+  subroutine test_critical
+    integer :: i, j, n
+    n = -1
+    i = 0
+    j = 0
+!$omp parallel num_threads (4)
+    if (omp_get_thread_num () .eq. 0) n = omp_get_num_threads ()
+    call test_critical_1 (i, j)
+    call test_critical_1 (i, j)
+!$omp critical
+    j = j + 1
+!$omp end critical
+!$omp critical (critical_foo)
+    i = i + 1
+!$omp endcritical (critical_foo)
+!$omp end parallel
+    if (n .lt. 1 .or. i .ne. n * 3 .or. j .ne. n * 3) call abort
+  end subroutine test_critical
+
+  subroutine test_barrier
+    integer :: i
+    logical :: j
+    i = 23
+    j = .false.
+!$omp parallel num_threads (4)
+    if (omp_get_thread_num () .eq. 0) i = 5
+!$omp flush (i)
+!$omp barrier
+    if (i .ne. 5) then
+!$omp atomic
+      j = j .or. .true.
+    end if
+!$omp end parallel
+    if (i .ne. 5 .or. j) call abort
+  end subroutine test_barrier
+
+  subroutine test_atomic
+    integer :: a, b, c, d, e, f, g
+    a = 0
+    b = 1
+    c = 0
+    d = 1024
+    e = 1024
+    f = -1
+    g = -1
+!$omp parallel num_threads (8)
+!$omp atomic
+    a = a + 2 + 4
+!$omp atomic
+    b = 3 * b
+!$omp atomic
+    c = 8 - c
+!$omp atomic
+    d = d / 2
+!$omp atomic
+    e = min (e, omp_get_thread_num ())
+!$omp atomic
+    f = max (omp_get_thread_num (), f)
+    if (omp_get_thread_num () .eq. 0) g = omp_get_num_threads ()
+!$omp end parallel
+    if (g .le. 0 .or. g .gt. 8) call abort
+    if (a .ne. 6 * g .or. b .ne. 3 ** g) call abort
+    if (iand (g, 1) .eq. 1) then
+      if (c .ne. 8) call abort
+    else if (c .ne. 0) then
+      call abort
+    end if
+    if (d .ne. 1024 / (2 ** g)) call abort
+    if (e .ne. 0 .or. f .ne. g - 1) call abort
+  end subroutine test_atomic
+end