49 lines
978 B
C
49 lines
978 B
C
/* { 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 128
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unsigned char udata_ch[N];
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#define SUM N*(N-1)
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volatile int y = 0;
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__attribute__ ((noinline)) int
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foo ()
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{
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int i;
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unsigned int intsum = 0;
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for (i = 0; i < N; i++)
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{
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udata_ch[i] = i*2;
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/* Avoid vectorization. */
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if (y)
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abort ();
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}
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/* widenning sum: sum chars into int. */
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for (i = 0; i < N; i++)
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{
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intsum += udata_ch[i];
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}
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/* check results: */
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if (intsum != SUM)
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abort ();
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return 0;
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}
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int
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main (void)
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{
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check_vect ();
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return foo ();
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}
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/* { dg-final { scan-tree-dump-times "vect_recog_widen_sum_pattern: detected" 1 "vect" } } */
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/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target { vect_widen_sum_qi_to_si || vect_unpack } } } } */
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/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 0 "vect" { target { { ! vect_widen_sum_qi_to_si } && { ! vect_unpack } } } } } */
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