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40 lines
669 B
C
40 lines
669 B
C
#include <assert.h>
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#include <limits.h>
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#define T unsigned int
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#define BITSIZE CHAR_BIT * sizeof (T)
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#define C1 123u
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#pragma omp declare target
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T
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rotate (T value, T shift)
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{
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T r = (value << shift) | (value >> (BITSIZE - shift));
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return (r >> shift) | (r << (BITSIZE - shift));
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}
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#pragma omp end declare target
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int
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main (int argc)
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{
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T v1, v2, v3, v4, v5;
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#pragma omp target map(to: v1, v2, v3, v4, v5)
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{
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v1 = rotate (C1, 10);
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v2 = rotate (C1, 2);
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v3 = rotate (C1, 5);
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v4 = rotate (C1, 16);
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v5 = rotate (C1, 32);
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}
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assert (v1 == C1);
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assert (v2 == C1);
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assert (v3 == C1);
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assert (v4 == C1);
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assert (v5 == C1);
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return 0;
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}
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