mirror of git://gcc.gnu.org/git/gcc.git
44 lines
764 B
C
44 lines
764 B
C
/* Test atomic_store routines for existence and proper execution on
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8-byte values with each valid memory model. */
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/* { dg-do run } */
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/* { dg-options "-std=c11 -pedantic-errors" } */
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#include <stdatomic.h>
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extern void abort (void);
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_Atomic long long v;
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long long count;
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int
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main ()
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{
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v = 0;
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count = 0;
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atomic_init (&v, count + 1);
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if (v != ++count)
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abort ();
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atomic_store_explicit (&v, count + 1, memory_order_relaxed);
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if (v != ++count)
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abort ();
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atomic_store_explicit (&v, count + 1, memory_order_release);
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if (v != ++count)
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abort ();
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atomic_store_explicit (&v, count + 1, memory_order_seq_cst);
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if (v != ++count)
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abort ();
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count++;
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atomic_store (&v, count);
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if (v != count)
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abort ();
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return 0;
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}
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