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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.dg/] [vect/] [vect-widen-mult-u8.c] - Blame information for rev 801

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Line No. Rev Author Line
1 689 jeremybenn
/* { dg-require-effective-target vect_int } */
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#include <stdarg.h>
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#include "tree-vect.h"
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#define N 64
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unsigned char X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
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unsigned char Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
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unsigned short result[N];
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/* unsigned char-> unsigned short widening-mult.  */
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__attribute__ ((noinline)) int
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foo1(int len) {
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  int i;
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  for (i=0; i<len; i++) {
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    result[i] = X[i] * Y[i];
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  }
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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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  check_vect ();
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  for (i=0; i<N; i++) {
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    X[i] = i;
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    Y[i] = 64-i;
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    __asm__ volatile ("");
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  }
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  foo1 (N);
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  for (i=0; i<N; i++) {
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    if (result[i] != X[i] * Y[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 "vectorized 1 loops" 1 "vect" { target { vect_widen_mult_qi_to_hi || vect_unpack } } } } */
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/* { dg-final { scan-tree-dump-times "vect_recog_widen_mult_pattern: detected" 1 "vect" { target vect_widen_mult_qi_to_hi_pattern } } } */
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/* { dg-final { scan-tree-dump-times "pattern recognized" 1 "vect" { target vect_widen_mult_qi_to_hi_pattern } } } */
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/* { dg-final { cleanup-tree-dump "vect" } } */
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