/* { 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 8
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#define N 8
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#define OFF 8
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#define OFF 8
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/* Check handling of accesses for which the "initial condition" -
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/* Check handling of accesses for which the "initial condition" -
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the expression that represents the first location accessed - is
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the expression that represents the first location accessed - is
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more involved than just an ssa_name. */
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more involved than just an ssa_name. */
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int ib[N+OFF] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0, 1, 3, 5, 7, 11, 13, 17, 0, 2, 6, 10, 14, 22, 26, 34};
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int ib[N+OFF] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0, 1, 3, 5, 7, 11, 13, 17, 0, 2, 6, 10, 14, 22, 26, 34};
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int off = 8;
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int off = 8;
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__attribute__ ((noinline))
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__attribute__ ((noinline))
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int main1 (int *ib)
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int main1 (int *ib)
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{
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{
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int i;
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int i;
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int ia[N];
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int ia[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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{
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{
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ia[i] = ib[i+off];
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ia[i] = ib[i+off];
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}
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}
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/* check results: */
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/* check results: */
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for (i = 0; i < N; i++)
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for (i = 0; i < N; i++)
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{
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{
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if (ia[i] != ib[i+off])
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if (ia[i] != ib[i+off])
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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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int main (void)
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int main (void)
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{
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{
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check_vect ();
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check_vect ();
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main1 (ib);
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main1 (ib);
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return 0;
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return 0;
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}
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}
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/* For targets that don't support misaligned loads we version for the load.
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/* For targets that don't support misaligned loads we version for the load.
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The store is aligned if alignment can be forced on the stack. Otherwise, we need to
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The store is aligned if alignment can be forced on the stack. Otherwise, we need to
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peel the loop in order to align the store. For targets that can't align variables
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peel the loop in order to align the store. For targets that can't align variables
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using peeling (don't guarantee natural alignment) versioning the loop is required
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using peeling (don't guarantee natural alignment) versioning the loop is required
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both for the load and the store. */
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both for the load and the store. */
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/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
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/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
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/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 1 "vect" { xfail { vect_no_align } } } } */
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/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 1 "vect" { xfail { vect_no_align } } } } */
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/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { target { {! vect_no_align} && { unaligned_stack && vector_alignment_reachable } } } } } */
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/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { target { {! vect_no_align} && { unaligned_stack && vector_alignment_reachable } } } } } */
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/* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning." 1 "vect" { target { { {! unaligned_stack} && vect_no_align } || {unaligned_stack && { {! vector_alignment_reachable} && {! vect_no_align} } } } } } } */
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/* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning." 1 "vect" { target { { {! unaligned_stack} && vect_no_align } || {unaligned_stack && { {! vector_alignment_reachable} && {! vect_no_align} } } } } } } */
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/* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning." 2 "vect" { target { { unaligned_stack && { vector_alignment_reachable && vect_no_align } } || {unaligned_stack && { {! vector_alignment_reachable} && vect_no_align } } } } } } */
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/* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning." 2 "vect" { target { { unaligned_stack && { vector_alignment_reachable && vect_no_align } } || {unaligned_stack && { {! vector_alignment_reachable} && vect_no_align } } } } } } */
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/* { dg-final { cleanup-tree-dump "vect" } } */
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/* { dg-final { cleanup-tree-dump "vect" } } */
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