mirror of git://gcc.gnu.org/git/gcc.git
63 lines
829 B
C
63 lines
829 B
C
/* { dg-do run } */
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/* { dg-additional-options "-march=pentium" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */
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#ifdef __i386__
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#include "cpuid.h"
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#endif
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extern void abort (void);
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double d;
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struct
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{
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int i;
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double e;
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int j;
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} x;
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void
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f1 (void)
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{
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#pragma omp atomic
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d += 7.5;
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#pragma omp atomic
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d *= 2.5;
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#pragma omp atomic
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d /= 0.25;
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}
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void
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f2 (void)
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{
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#pragma omp atomic
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x.e += 7.5;
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#pragma omp atomic
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x.e *= 2.5;
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#pragma omp atomic
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x.e /= 0.25;
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}
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int
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main (void)
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{
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#ifdef __i386__
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unsigned int eax, ebx, ecx, edx;
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if (!__get_cpuid (1, &eax, &ebx, &ecx, &edx))
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return 0;
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if (!(edx & bit_CMPXCHG8B))
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return 0;
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#endif
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d = 1.0;
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f1 ();
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if (d != 85.0)
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abort ();
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x.e = 1.0;
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f2 ();
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if (x.i != 0 || x.e != 85.0 || x.j != 0)
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abort ();
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return 0;
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}
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