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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [vect/] [vect-42.c] - Blame information for rev 298

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Line No. Rev Author Line
1 298 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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__attribute__ ((noinline))
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void bar (float *pa, float *pb, float *pc)
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{
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  int i;
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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;
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}
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/* Unaligned write access, aligned read accesses.
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   Since we are handling an unaligned store by peeling the loop,
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   the loads will become unaligned.
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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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__attribute__ ((noinline)) int
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main1 (float * __restrict__ pa, float *pb, float *pc)
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{
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  float b[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
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  float c[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
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  int i;
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  /* We also vectorize this loop.  */
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  for (i = 0; i < N; i++)
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    {
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      b[i] = pb[i];
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      c[i] = pc[i];
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    }
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  for (i = 0; i < N; i++)
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    {
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      pa[i] = b[i] * c[i];
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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 a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
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  float b[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
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  float c[N] = {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 (a,b,c);
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  bar (a,b,c);
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  return 0;
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}
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/* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" } } */
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/* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning" 3 "vect" { target vect_no_align } } } */
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/* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning" 1 "vect" { target { { ! vector_alignment_reachable } && { ! vect_hw_misalign } } } } } */
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/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 4 "vect" { xfail { vect_no_align || { ! vector_alignment_reachable } } } } } */
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/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { xfail { vect_no_align || { ! vector_alignment_reachable } } } } } */
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/* { dg-final { cleanup-tree-dump "vect" } } */

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