Viewing file:  c11-atomic-exec-1.c (2.57 KB) -rw-r--r--
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/* Test for _Atomic in C11. Basic execution tests for atomic loads
and stores. */
/* { dg-do run } */
/* { dg-options "-std=c11 -pedantic-errors" } */
extern void abort (void);
extern void exit (int);
extern int memcmp (const void *, const void *, __SIZE_TYPE__);
#define CMPLX(X, Y) __builtin_complex ((X), (Y))
#define TEST_SIMPLE_ASSIGN(TYPE, VALUE) \
do \
{ \
static volatile _Atomic (TYPE) a, b = (TYPE) (VALUE); \
if (a != 0) \
abort (); \
if (b != ((TYPE) (VALUE))) \
abort (); \
if ((a = b) != ((TYPE) (VALUE))) \
abort (); \
if (a != ((TYPE) (VALUE))) \
abort (); \
} \
while (0)
#define TEST_SIMPLE_ASSIGN_ARITH(VALUE) \
do \
{ \
TEST_SIMPLE_ASSIGN (_Bool, (VALUE)); \
TEST_SIMPLE_ASSIGN (char, (VALUE)); \
TEST_SIMPLE_ASSIGN (signed char, (VALUE)); \
TEST_SIMPLE_ASSIGN (unsigned char, (VALUE)); \
TEST_SIMPLE_ASSIGN (signed short, (VALUE)); \
TEST_SIMPLE_ASSIGN (unsigned short, (VALUE)); \
TEST_SIMPLE_ASSIGN (signed int, (VALUE)); \
TEST_SIMPLE_ASSIGN (unsigned int, (VALUE)); \
TEST_SIMPLE_ASSIGN (signed long, (VALUE)); \
TEST_SIMPLE_ASSIGN (unsigned long, (VALUE)); \
TEST_SIMPLE_ASSIGN (signed long long, (VALUE)); \
TEST_SIMPLE_ASSIGN (unsigned long long, (VALUE)); \
TEST_SIMPLE_ASSIGN (float, (VALUE)); \
TEST_SIMPLE_ASSIGN (double, (VALUE)); \
TEST_SIMPLE_ASSIGN (long double, (VALUE)); \
TEST_SIMPLE_ASSIGN (_Complex float, (VALUE)); \
TEST_SIMPLE_ASSIGN (_Complex double, (VALUE)); \
TEST_SIMPLE_ASSIGN (_Complex long double, (VALUE)); \
} \
while (0)
static void
test_simple_assign (void)
{
TEST_SIMPLE_ASSIGN_ARITH (0);
TEST_SIMPLE_ASSIGN_ARITH (1);
TEST_SIMPLE_ASSIGN_ARITH (2);
TEST_SIMPLE_ASSIGN_ARITH (-1);
TEST_SIMPLE_ASSIGN_ARITH (1ULL << 63);
TEST_SIMPLE_ASSIGN_ARITH (1.5);
TEST_SIMPLE_ASSIGN_ARITH (CMPLX (2.5, 3.5));
static int i;
TEST_SIMPLE_ASSIGN (int *, 0);
TEST_SIMPLE_ASSIGN (int *, &i);
struct s { short a[1024]; };
struct s init, copy;
_Atomic struct s s1, s2;
for (int j = 0; j < 1024; j++)
init.a[j] = j;
copy = (s1 = init);
if (memcmp (&init, ©, sizeof init) != 0)
abort ();
copy = (s2 = s1);
if (memcmp (&init, ©, sizeof init) != 0)
abort ();
copy = s1;
if (memcmp (&init, ©, sizeof init) != 0)
abort ();
copy = s2;
if (memcmp (&init, ©, sizeof init) != 0)
abort ();
}
int
main (void)
{
test_simple_assign ();
exit (0);
}
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