/* { dg-require-effective-target vect_float } */
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/* { dg-require-effective-target vect_float } */
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#include <stdarg.h>
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#include <stdarg.h>
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#include "tree-vect.h"
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#include "tree-vect.h"
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#define N 256
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#define N 256
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__attribute__ ((noinline))
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__attribute__ ((noinline))
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void bar (float *pa, float *pb, float *pc)
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void bar (float *pa, float *pb, float *pc)
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{
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{
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int i;
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int i;
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/* check results: */
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/* check results: */
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for (i = 0; i < N; i++)
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for (i = 0; i < N; i++)
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{
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{
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if (pa[i] != (pb[i] * pc[i]))
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if (pa[i] != (pb[i] * pc[i]))
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abort ();
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abort ();
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}
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}
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return;
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return;
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}
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}
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/* Unaligned pointer read accesses, aligned pointer write access.
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/* Unaligned pointer read accesses, aligned pointer write access.
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The loop bound is known and divisible by the vectorization factor.
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The loop bound is known and divisible by the vectorization factor.
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Can't prove that the pointers don't alias.
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Can't prove that the pointers don't alias.
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vect-53.c is similar to this one with one difference:
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vect-53.c is similar to this one with one difference:
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the loop bound is unknown.
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the loop bound is unknown.
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vect-48.c is similar to this one with one difference:
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vect-48.c is similar to this one with one difference:
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aliasing is not a problem. */
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aliasing is not a problem. */
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__attribute__ ((noinline)) int
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__attribute__ ((noinline)) int
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main1 (float *pb, float *pc)
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main1 (float *pb, float *pc)
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{
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{
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float pa[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
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float pa[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
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int i;
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int i;
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for (i = 0; i < N; i++)
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for (i = 0; i < N; i++)
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{
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{
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pa[i] = pb[i] * pc[i];
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pa[i] = pb[i] * pc[i];
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}
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}
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bar (pa,pb,pc);
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bar (pa,pb,pc);
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return 0;
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return 0;
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}
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}
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int main (void)
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int main (void)
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{
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{
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int i;
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int i;
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float b[N+1] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60};
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float b[N+1] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60};
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float c[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
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float c[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
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check_vect ();
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check_vect ();
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main1 (b,c);
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main1 (b,c);
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main1 (&b[1],c);
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main1 (&b[1],c);
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return 0;
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return 0;
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}
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}
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/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
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/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
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/* { dg-final { cleanup-tree-dump "vect" } } */
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/* { dg-final { cleanup-tree-dump "vect" } } */
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