Retro68/gcc/libgomp/testsuite/libgomp.c-c++-common/task-reduction-2.c
Wolfgang Thaller 6fbf4226da gcc-9.1
2019-06-20 20:10:10 +02:00

91 lines
1.9 KiB
C

#ifdef __cplusplus
extern "C"
#endif
void abort (void);
struct S { long int s, t; };
void
bar (struct S *p, struct S *o)
{
p->s = 1;
if (o->t != 5)
abort ();
p->t = 9;
}
static inline void
baz (struct S *o, struct S *i)
{
if (o->t != 5 || i->t != 9)
abort ();
o->s *= i->s;
}
#pragma omp declare reduction (+: struct S : omp_out.s += omp_in.s) initializer (omp_priv = { 0, 3 })
#pragma omp declare reduction (*: struct S : baz (&omp_out, &omp_in)) initializer (bar (&omp_priv, &omp_orig))
struct S a = { 0, 7 };
struct S b = { 1, 5 };
void
foo (void)
{
int i;
for (i = 0; i < 2; i++)
#pragma omp task in_reduction (*: b) in_reduction (+: a)
{
a.s += 7;
b.s *= 2;
if ((a.t != 7 && a.t != 3) || (b.t != 5 && b.t != 9))
abort ();
}
}
int
main ()
{
struct S c = { 0, 7 };
#pragma omp parallel
#pragma omp single
{
struct S d = { 1, 5 };
#pragma omp taskgroup task_reduction (+: a, c) task_reduction (*: b, d)
{
int i;
for (i = 0; i < 4; i++)
#pragma omp task in_reduction (*: b, d) in_reduction (+: a, c)
{
int j;
a.s += 7;
b.s *= 2;
for (j = 0; j < 2; j++)
#pragma omp task in_reduction (+: a) in_reduction (*: b) \
in_reduction (+: c) in_reduction (*: d)
{
a.s += 7;
b.s *= 2;
c.s += 9;
d.s *= 3;
foo ();
if ((a.t != 7 && a.t != 3) || (b.t != 5 && b.t != 9)
|| (c.t != 7 && c.t != 3) || (d.t != 5 && d.t != 9))
abort ();
}
c.s += 9;
d.s *= 3;
if ((a.t != 7 && a.t != 3) || (b.t != 5 && b.t != 9)
|| (c.t != 7 && c.t != 3) || (d.t != 5 && d.t != 9))
abort ();
}
}
#define THREEP4 (3L * 3L * 3L * 3L)
if (d.s != (THREEP4 * THREEP4 * THREEP4) || d.t != 5)
abort ();
}
if (a.s != 28 * 7 || a.t != 7 || b.s != (1L << 28) || b.t != 5
|| c.s != 12 * 9 || c.t != 7)
abort ();
return 0;
}