Viewing file:  vect-all-big-array.c (4.79 KB) -rw-r--r--
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/* { dg-require-effective-target vect_int } */
/* { dg-require-effective-target vect_float } */
/* { dg-add-options bind_pic_locally } */
#include <stdarg.h>
#include "tree-vect.h"
#define N 128
int iadd_results[N];
float fadd_results[N];
float fmul_results[N];
float fresults1[N];
float fresults2[N];
/****************************************************/
__attribute__ ((noinline))
void icheck_results (int *a, int *results)
{
int i;
for (i = 0; i < N; i++)
{
if (a[i] != results[i])
abort ();
}
}
__attribute__ ((noinline))
void fcheck_results (float *a, float *results)
{
int i;
for (i = 0; i < N; i++)
{
if (a[i] != results[i])
abort ();
}
}
__attribute__ ((noinline)) void
fbar_mul (float *a)
{
fcheck_results (a, fmul_results);
}
__attribute__ ((noinline)) void
fbar_add (float *a)
{
fcheck_results (a, fadd_results);
}
__attribute__ ((noinline)) void
ibar_add (int *a)
{
icheck_results (a, iadd_results);
}
__attribute__ ((noinline)) void
fbar1 (float *a)
{
fcheck_results (a, fresults1);
}
__attribute__ ((noinline)) void
fbar2 (float *a)
{
fcheck_results (a, fresults2);
}
float a[N];
float e[N];
float b[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
float c[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
float d[N] = {0,2,4,6,8,10,12,14,16,18,20,22,24,26,28,30};
int ic[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
int ib[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
int ia[N];
char cb[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
char ca[N];
short sa[N];
/* All of the loops below are currently vectorizable, except
initialization ones. */
__attribute__ ((noinline)) int
main1 ()
{
int i,j;
/* Initialization. */
for (i = 0; i < N; i++)
{
b[i] = i*3;
c[i] = i;
d[i] = i*2;
ic[i] = i*3;
ib[i] = i*3;
cb[i] = i*3;
fadd_results[i] = b[i] + c[i] + d[i];
iadd_results[i] = ib[i] + ic[i];
fmul_results[i] = b[i] * c[i];
fresults1[i] = 0;
fresults2[i] = 0;
asm volatile ("" ::: "memory");
}
/* Test 1: copy chars. */
for (i = 0; i < N; i++)
{
ca[i] = cb[i];
}
/* check results: */
for (i = 0; i < N; i++)
{
if (ca[i] != cb[i])
abort ();
}
/* Test 2: fp mult. */
for (i = 0; i < N; i++)
{
a[i] = b[i] * c[i];
}
fbar_mul (a);
/* Test 3: mixed types (int, fp), same nunits in vector. */
for (i = 0; i < N; i++)
{
a[i] = b[i] + c[i] + d[i];
e[i] = b[i] + c[i] + d[i];
ia[i] = ib[i] + ic[i];
}
ibar_add (ia);
fbar_add (a);
fbar_add (e);
/* Initialization. */
for (i = 0; i < N; i++)
{
fresults1[i] = a[i];
fresults2[i] = e[i];
asm volatile ("" ::: "memory");
}
for (i = 0; i < N/2; i++)
{
fresults1[i] = b[i+N/2] * c[i+N/2] - b[i] * c[i];
fresults2[i+N/2] = b[i] * c[i+N/2] + b[i+N/2] * c[i];
asm volatile ("" ::: "memory");
}
/* Test 4: access with offset. */
for (i = 0; i < N/2; i++)
{
a[i] = b[i+N/2] * c[i+N/2] - b[i] * c[i];
e[i+N/2] = b[i] * c[i+N/2] + b[i+N/2] * c[i];
}
fbar1 (a);
fbar2 (e);
/* Test 5: access with offset. */
for (i = 1; i <=N-4; i++)
{
a[i+3] = b[i-1];
}
/* check results: */
for (i = 1; i <=N-4; i++)
{
if (a[i+3] != b[i-1])
abort ();
}
/* Test 6 - loop induction with stride != 1. */
i = 0;
j = 0;
while (i < 5*N)
{
a[j] = c[j];
i += 5;
j++;
}
/* check results: */
for (i = 0; i <N; i++)
{
if (a[i] != c[i])
abort ();
}
/* Test 7 - reverse access. */
for (i = N; i > 0; i--)
{
a[N-i] = d[N-i];
}
/* check results: */
for (i = 0; i <N; i++)
{
if (a[i] != d[i])
abort ();
}
/* Tests 8,9,10 - constants. */
for (i = 0; i < N; i++)
{
a[i] = 5.0;
}
/* check results: */
for (i = 0; i < N; i++)
{
if (a[i] != 5.0)
abort ();
}
for (i = 0; i < N; i++)
{
sa[i] = 5;
}
/* check results: */
for (i = 0; i < N; i++)
{
if (sa[i] != 5)
abort ();
}
for (i = 0; i < N; i++)
{
ia[i] = ib[i] + 5;
}
/* check results: */
for (i = 0; i < N; i++)
{
if (ia[i] != ib[i] + 5)
abort ();
}
return 0;
}
int main (void)
{
check_vect ();
return main1 ();
}
/* { dg-final { scan-tree-dump-times "vectorized 10 loops" 1 "vect" } } */
/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" { target { { vect_aligned_arrays } && {! vect_sizes_32B_16B} } } } } */
/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 1 "vect" { target { {! vect_aligned_arrays } && {vect_sizes_32B_16B} } } } } */
/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 0 "vect" } } */
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