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Rev 298 |
Rev 338 |
/* { dg-require-effective-target vect_int } */
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/* { dg-require-effective-target vect_int } */
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#include <stdarg.h>
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#include <stdarg.h>
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#include "tree-vect.h"
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#include "tree-vect.h"
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#define N 64
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#define N 64
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unsigned short X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
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unsigned short X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
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unsigned short Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
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unsigned short Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
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unsigned int result[N];
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unsigned int result[N];
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/* short->int widening-mult */
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/* short->int widening-mult */
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__attribute__ ((noinline)) int
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__attribute__ ((noinline)) int
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foo1(int len) {
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foo1(int len) {
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int i;
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int i;
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/* Not vectorized because X[i] and Y[i] are casted to 'int'
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/* Not vectorized because X[i] and Y[i] are casted to 'int'
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so the widening multiplication pattern is not recognized. */
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so the widening multiplication pattern is not recognized. */
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for (i=0; i<len; i++) {
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for (i=0; i<len; i++) {
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result[i] = (unsigned int)(X[i] * Y[i]);
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result[i] = (unsigned int)(X[i] * Y[i]);
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}
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}
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}
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}
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int main (void)
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int main (void)
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{
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{
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int i;
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int i;
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check_vect ();
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check_vect ();
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for (i=0; i<N; i++) {
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for (i=0; i<N; i++) {
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X[i] = i;
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X[i] = i;
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Y[i] = 64-i;
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Y[i] = 64-i;
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__asm__ volatile ("");
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__asm__ volatile ("");
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}
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}
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foo1 (N);
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foo1 (N);
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for (i=0; i<N; i++) {
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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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if (result[i] != X[i] * Y[i])
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abort ();
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abort ();
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}
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}
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return 0;
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return 0;
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}
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}
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/*The induction loop is vectorized */
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/*The induction loop is vectorized */
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/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 2 "vect" { xfail *-*-* } } } */
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/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 2 "vect" { xfail *-*-* } } } */
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/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_pack_trunc } } } */
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/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_pack_trunc } } } */
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/* { dg-final { cleanup-tree-dump "vect" } } */
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/* { dg-final { cleanup-tree-dump "vect" } } */
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