Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/atomic/stdatomic-store-2.c @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 04ced10e8804 |
children |
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/* Test atomic_store routines for existence and proper execution on 2-byte values with each valid memory model. */ /* { dg-do run } */ /* { dg-options "-std=c11 -pedantic-errors" } */ #include <stdatomic.h> extern void abort (void); _Atomic short v; short count; int main () { v = 0; count = 0; atomic_init (&v, count + 1); if (v != ++count) abort (); atomic_store_explicit (&v, count + 1, memory_order_relaxed); if (v != ++count) abort (); atomic_store_explicit (&v, count + 1, memory_order_release); if (v != ++count) abort (); atomic_store_explicit (&v, count + 1, memory_order_seq_cst); if (v != ++count) abort (); count++; atomic_store (&v, count); if (v != count) abort (); return 0; }