Viewing file:  slp-24-big-array.c (1.87 KB) -rw-r--r--
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/* { dg-require-effective-target vect_int } */
#include <stdarg.h>
#include "tree-vect.h"
#define N 64
typedef struct {
unsigned char a;
unsigned char b;
unsigned char c;
unsigned char d;
} s;
unsigned char ub[N*2];
unsigned char uc[N];
unsigned char check_diff = 2;
void
main1 (unsigned char x, unsigned char max_result, unsigned char min_result, s *arr)
{
int i;
unsigned char udiff = 2;
unsigned char umax = x;
unsigned char umin = x;
unsigned char ua1[N*2];
s *pIn = arr;
s out[N];
for (i = 0; i < N; i++) {
udiff += (unsigned char) (ub[i] - uc[i]);
ua1[2*i+1] = ub[2*i+1];
ua1[2*i] = ub[2*i];
out[i].d = pIn->d - 1;
out[i].b = pIn->b - 4;
out[i].c = pIn->c - 8;
out[i].a = pIn->a - 3;
pIn++;
}
for (i = 0; i < N; i++) {
if (ua1[2*i] != ub[2*i]
|| ua1[2*i+1] != ub[2*i+1]
|| out[i].a != arr[i].a - 3
|| out[i].b != arr[i].b - 4
|| out[i].c != arr[i].c - 8
|| out[i].d != arr[i].d - 1)
abort ();
}
/* check results: */
if (udiff != check_diff)
abort ();
}
int main (void)
{
int i;
s arr[N];
check_diff = 2;
ub[0] = uc[0] = 1;
for (i = 1; i < N; i++) {
ub[i] = (i%5 == 0)?i*3:i;
uc[i] = i;
check_diff += (unsigned char) (ub[i] - uc[i]);
asm volatile ("" ::: "memory");
}
for (; i < 2*N; i++) {
ub[i] = 0;
asm volatile ("" ::: "memory");
}
for (i = 0; i < N; i++)
{
arr[i].a = i + 9;
arr[i].b = i * 2 + 10;
arr[i].c = 17;
arr[i].d = i+34;
asm volatile ("" ::: "memory");
}
check_vect ();
main1 (100, 100, 1, arr);
main1 (0, 15, 0, arr);
return 0;
}
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail { vect_no_align && ilp32 } } } } */
/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 2 "vect" { xfail { vect_no_align && ilp32 } } } } */
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