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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.dg/] [vect/] [costmodel/] [ppc/] [costmodel-vect-outer-fir.c] - Blame information for rev 801

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Line No. Rev Author Line
1 689 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 40
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#define M 128
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float in[N+M];
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float coeff[M];
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float out[N];
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float fir_out[N];
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/* Vectorized. Fixed misaligment in the inner-loop.  */
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__attribute__ ((noinline)) void foo (){
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 int i,j,k;
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 float diff;
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 for (i = 0; i < N; i++) {
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  out[i] = 0;
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 }
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 for (k = 0; k < 4; k++) {
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  for (i = 0; i < N; i++) {
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    diff = 0;
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    for (j = k; j < M; j+=4) {
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      diff += in[j+i]*coeff[j];
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    }
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    out[i] += diff;
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  }
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 }
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}
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/* Vectorized. Changing misalignment in the inner-loop.  */
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__attribute__ ((noinline)) void fir (){
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  int i,j,k;
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  float diff;
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  for (i = 0; i < N; i++) {
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    diff = 0;
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    for (j = 0; j < M; j++) {
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      diff += in[j+i]*coeff[j];
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    }
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    fir_out[i] = diff;
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  }
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}
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int main (void)
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{
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  check_vect ();
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  int i, j;
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  float diff;
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  for (i = 0; i < M; i++)
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    coeff[i] = i;
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  for (i = 0; i < N+M; i++)
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    in[i] = i;
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  foo ();
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  fir ();
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  for (i = 0; i < N; i++) {
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    if (out[i] != fir_out[i])
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      abort ();
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  }
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  return 0;
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}
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/* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 2 "vect" { xfail vect_no_align } } } */
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/* { dg-final { cleanup-tree-dump "vect" } } */

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