Viewing file:  slp-perm-5.c (2.88 KB) -rw-r--r--
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/* { dg-require-effective-target vect_int } */
#include <stdarg.h>
#include "tree-vect.h"
#define M00 100
#define M10 216
#define M20 23
#define M01 1322
#define M11 13
#define M21 27271
#define M02 74
#define M12 191
#define M22 500
#define K00 405
#define K10 112
#define K01 4322
#define K11 135
#if VECTOR_BITS > 128
#define N (VECTOR_BITS * 3 / 32 + 4)
#else
#define N 16
#endif
void foo (int *__restrict__ pInput, int *__restrict__ pOutput,
int *__restrict__ pInput2, int *__restrict__ pOutput2)
{
int i, a, b, c, d, e;
for (i = 0; i < N / 3; i++)
{
a = *pInput++;
b = *pInput++;
c = *pInput++;
d = *pInput2++;
e = *pInput2++;
*pOutput++ = M00 * a + M01 * b + M02 * c;
*pOutput++ = M10 * a + M11 * b + M12 * c;
*pOutput++ = M20 * a + M21 * b + M22 * c;
*pOutput2++ = K00 * d + K01 * e;
*pOutput2++ = K10 * d + K11 * e;
}
}
int main (int argc, const char* argv[])
{
int input[N], output[N], i;
int input2[N], output2[N];
check_vect ();
check_vect ();
for (i = 0; i < N; i++)
{
input[i] = i%256;
input2[i] = i%256;
output[i] = 0;
output2[i] = 0;
__asm__ volatile ("");
}
#if N == 16
int check_results[N] = { 1470, 395, 28271, 5958, 1655, 111653, 10446, 2915,
195035, 14934, 4175, 278417, 19422, 5435, 361799,
0 };
int check_results2[N] = { 4322, 135, 13776, 629, 23230, 1123, 32684, 1617,
42138, 2111, 0, 0, 0, 0, 0, 0 };
#else
volatile int check_results[N] = {};
volatile int check_results2[N] = {};
for (int i = 0; i < N / 3; i++)
{
int a = input[i * 3];
int b = input[i * 3 + 1];
int c = input[i * 3 + 2];
int d = input2[i * 2];
int e = input2[i * 2 + 1];
check_results[i * 3] = M00 * a + M01 * b + M02 * c;
check_results[i * 3 + 1] = M10 * a + M11 * b + M12 * c;
check_results[i * 3 + 2] = M20 * a + M21 * b + M22 * c;
check_results2[i * 2] = K00 * d + K01 * e;
check_results2[i * 2 + 1] = K10 * d + K11 * e;
asm volatile ("" ::: "memory");
}
#endif
foo (input, output, input2, output2);
for (i = 0; i < N; i++)
if (output[i] != check_results[i] || output2[i] != check_results2[i])
abort ();
return 0;
}
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_perm } } } */
/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 2 "vect" { target { vect_perm3_int && { ! vect_load_lanes } } } } } */
/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 0 "vect" { target vect_load_lanes } } } */
/* { dg-final { scan-tree-dump "Built SLP cancelled: can use load/store-lanes" "vect" { target { vect_perm3_int && vect_load_lanes } } } } */
/* { dg-final { scan-tree-dump "LOAD_LANES" "vect" { target vect_load_lanes } } } */
/* { dg-final { scan-tree-dump "STORE_LANES" "vect" { target vect_load_lanes } } } */
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