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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [vect/] [vect-44.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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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 pointer accesses, with unknown alignment.
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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-50.c is similar to this one with one difference:
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        the loop bound is unknown.
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   vect-45.c is similar to this one with one difference:
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        can't prove that pointers don't alias.  */
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int
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main1 (float * __restrict__ pa, float * __restrict__ pb, float * __restrict__ pc)
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{
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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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  bar (pa,pb,pc);
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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+4] __attribute__ ((__aligned__(16)));
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  float b[N+4] __attribute__ ((__aligned__(16))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69};
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  float c[N+4] __attribute__ ((__aligned__(16))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23};
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  check_vect ();
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  main1 (a,b,c);
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  main1 (&a[1],b,c);
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  main1 (a,&b[1],c);
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  main1 (&a[1],&b[1],&c[1]);
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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
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   all three accesses (peeling to align the store will not force the
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   two loads to be 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" 1 "vect" { xfail vect_no_align } } } */
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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 { cleanup-tree-dump "vect" } } */

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