Retro68/gcc/libgomp/testsuite/libgomp.c/udr-1.c
2014-09-21 19:33:12 +02:00

82 lines
1.7 KiB
C

/* { dg-do run } */
extern
#ifdef __cplusplus
"C"
#endif
void abort ();
struct S { int s; struct S *t; };
void
foo (struct S *out, struct S *in)
{
out->s += in->s;
}
void
bar (struct S *x)
{
if (x->s != 6) abort ();
x->s = 15;
}
void
baz (struct S *x, struct S *y)
{
x->s = 6;
x->t = x;
(void) y;
}
#pragma omp declare reduction (foo: struct S: foo (&omp_out, &omp_in)) \
initializer (omp_priv = { 8, &omp_priv })
#pragma omp declare reduction (foo: char, int, short: omp_out += omp_in - 4) \
initializer (omp_priv = 4)
#pragma omp declare reduction (+: struct S: foo (&omp_out, &omp_in)) \
initializer (baz (&omp_priv, &omp_orig))
void
test (struct S s, struct S t)
{
int q = 0;
#pragma omp parallel num_threads (4) reduction (+: s, q) reduction (foo: t)
{
if (s.s != 6 || s.t != &s || t.s != 8 || t.t != &t)
abort ();
s.s = 2;
t.s = 3;
q = 1;
}
if (s.s != 12 + 2 * q || t.s != 14 + 3 * q)
abort ();
}
int
main ()
{
struct S s, t;
s.s = 9; t.s = 10;
int h = 30, v = 2, q = 0;
#pragma omp declare reduction (foo: struct S: omp_out.s *= omp_in.s) \
initializer (omp_priv = omp_orig)
{
#pragma omp declare reduction (foo: struct S: omp_out.s += omp_in.s) \
initializer (omp_priv = omp_orig)
#pragma omp parallel num_threads (4) reduction (+: t, q) \
reduction (min: h) reduction (foo: s, v)
{
if (s.s != 9 || t.s != 6 || v != 4 || h != __INT_MAX__) abort ();
asm volatile ("" : "+m" (s.s), "+m" (t.s));
asm volatile ("" : "+r" (h), "+r" (v));
h = t.s; s.s++; t.s++; v++; q++;
}
}
if (h != 6 || s.s != 9 + q * 10 || t.s != 10 + q * 7 || v != 2 + q)
abort ();
s.s = 12;
t.s = 14;
test (s, t);
return 0;
}