mirror of git://gcc.gnu.org/git/gcc.git
31 lines
573 B
C
31 lines
573 B
C
/* { dg-additional-options "-w" } */
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#include <assert.h>
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/* Test of reduction on loop directive (gangs and workers, non-private
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reduction variable). */
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int
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main (int argc, char *argv[])
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{
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int i, arr[1024], res = 0, hres = 0;
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for (i = 0; i < 1024; i++)
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arr[i] = i;
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#pragma acc parallel num_gangs(32) num_workers(32) vector_length(32) \
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copy(res)
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{
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#pragma acc loop gang worker reduction(+:res)
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for (i = 0; i < 1024; i++)
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res += arr[i];
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}
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for (i = 0; i < 1024; i++)
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hres += arr[i];
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assert (res == hres);
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return 0;
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}
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