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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [vect/] [vect-48.c] - Blame information for rev 816

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Line No. Rev Author Line
1 149 jeremybenn
/* { dg-require-effective-target vect_float } */
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#include <stdarg.h>
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#include "tree-vect.h"
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#define N 256
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/* Unaligned pointer read accesses, aligned write access.
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   The loop bound is known and divisible by the vectorization factor.
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   No aliasing problems.
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   vect-56.c is similar to this one with one difference:
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        the alignment of the read accesses is known.
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   vect-52.c is similar to this one with one difference:
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        the loop bound is unknown.
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   vect-49.c is similar to this one with one difference:
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        aliasing is a problem.  */
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int
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main1 (float *pb, float *pc)
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{
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  float pa[N] __attribute__ ((__aligned__(16)));
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  int i;
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  for (i = 0; i < N; i++)
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    {
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      pa[i] = pb[i] * pc[i];
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    }
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  /* check results:  */
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  for (i = 0; i < N; i++)
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    {
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      if (pa[i] != (pb[i] * pc[i]))
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        abort ();
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    }
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  return 0;
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}
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int main (void)
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{
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  int i;
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  float b[N+1] __attribute__ ((__aligned__(16))) = {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__(16))) = {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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  main1 (b,c);
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  main1 (&b[1],c);
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  return 0;
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}
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/* For targets that don't support misaligned loads we version for the two loads.
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   (The store is aligned).  */
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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 "Vectorizing an unaligned access" 2 "vect" { xfail vect_no_align } } } */
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/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 0 "vect" } } */
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/* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning." 2 "vect" { target vect_no_align } } } */
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/* { dg-final { cleanup-tree-dump "vect" } } */

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