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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [vect/] [no-vfa-vect-57.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 <string.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/2; i++)
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    {
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      if (pa[i] != (pb[i+1] * pc[i+1]))
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        abort ();
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    }
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  return;
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}
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__attribute__ ((noinline))
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void foo (float *pb, float *pc)
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{
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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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  memcpy (pb, b, sizeof (b));
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  memcpy (pc, c, sizeof (c));
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}
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/* Unaligned pointer read accesses with known alignment,
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   and an unaligned write access with unknown alignment.
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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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   vect-61.c is similar to this one with one difference:
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        the loop bound is unknown.
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   vect-56.c is similar to this one with two differences:
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        aliasing is a problem, and the write access is aligned.  */
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__attribute__ ((noinline)) int
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main1 (float *pa)
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{
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  int i;
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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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  float *pb = b;
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  float *pc = c;
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  foo (pb, pc);
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  for (i = 0; i < N/2; i++)
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    {
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      pa[i] = pb[i+1] * pc[i+1];
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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] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
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  check_vect ();
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  main1 (a);
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  return 0;
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}
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/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail vect_no_align } } } */
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/* { dg-final { cleanup-tree-dump "vect" } } */

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