56b5041c02
PR c/69389 * gimplify.c (goa_stabilize_expr): Handle BIT_INSERT_EXPR and BIT_FIELD_REF. * c-omp.c (c_finish_omp_atomic): Handle atomics on bitfields. * testsuite/libgomp.c/pr69389.c: New test. * testsuite/libgomp.c++/pr69389.C: New test. From-SVN: r250929
125 lines
1.7 KiB
C
125 lines
1.7 KiB
C
/* PR c/69389 */
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struct S { unsigned int a : 10; unsigned int b : 4; unsigned int c : 18; } s = { 210, 11, 1235 };
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unsigned int
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f1 (void)
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{
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unsigned int v;
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#pragma omp atomic read
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v = s.b;
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return v;
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}
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void
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f2 (unsigned int v)
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{
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#pragma omp atomic write
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s.b = v;
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}
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void
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f3 (void)
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{
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#pragma omp atomic
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s.b |= 1;
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}
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int
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f4 (void)
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{
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int v;
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#pragma omp atomic capture
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v = s.b += 8;
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return v;
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}
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int
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f5 (void)
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{
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int v;
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#pragma omp atomic capture
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{
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v = s.b;
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s.b -= 4;
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}
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return v;
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}
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void
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f6 (void)
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{
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#pragma omp atomic
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s.b = s.b & 7;
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}
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void
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f7 (void)
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{
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#pragma omp atomic
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s.b = ~7 & s.b;
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}
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int
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f8 (void)
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{
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int v;
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#pragma omp atomic capture
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v = s.b = 8 + s.b;
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return v;
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}
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int
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f9 (void)
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{
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int v;
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#pragma omp atomic capture
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{
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v = s.b;
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s.b = s.b - 4;
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}
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return v;
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}
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int
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main ()
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{
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if (f1 () != 11)
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__builtin_abort ();
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f2 (4);
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if (s.a != 210 || s.b != 4 || s.c != 1235)
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__builtin_abort ();
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s.a = 813;
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s.c = 31532;
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if (f1 () != 4)
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__builtin_abort ();
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f3 ();
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if (f1 () != 5)
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__builtin_abort ();
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if (s.a != 813 || s.b != 5 || s.c != 31532)
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__builtin_abort ();
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if (f4 () != 13)
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__builtin_abort ();
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if (f1 () != 13)
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__builtin_abort ();
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f2 (14);
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if (s.a != 813 || s.b != 14 || s.c != 31532)
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__builtin_abort ();
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if (f5 () != 14)
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__builtin_abort ();
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if (f1 () != 10 || s.a != 813 || s.b != 10 || s.c != 31532)
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__builtin_abort ();
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f6 ();
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if (f1 () != 2)
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__builtin_abort ();
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f2 (15);
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f7 ();
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if (f1 () != 8)
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__builtin_abort ();
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if (f8 () != 0 || s.a != 813 || s.b != 0 || s.c != 31532)
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__builtin_abort ();
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if (f9 () != 0 || s.a != 813 || s.b != 12 || s.c != 31532)
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__builtin_abort ();
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return 0;
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}
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