File: gen-vect-28.c

package info (click to toggle)
gcc-arm-none-eabi 15%3A14.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,099,328 kB
  • sloc: cpp: 3,627,108; ansic: 2,571,498; ada: 834,230; f90: 235,082; makefile: 79,231; asm: 74,984; xml: 51,692; exp: 39,736; sh: 33,298; objc: 15,629; python: 15,069; fortran: 14,429; pascal: 7,003; awk: 5,070; perl: 3,106; ml: 285; lisp: 253; lex: 204; haskell: 135
file content (43 lines) | stat: -rw-r--r-- 1,098 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
 
/* { dg-do run { target vect_cmdline_needed } } */
/* { dg-options "-O2 -fno-tree-loop-distribute-patterns -ftree-vectorize -fdump-tree-vect-details -fvect-cost-model=dynamic" } */
/* { dg-additional-options "-mno-sse" { target { i?86-*-* x86_64-*-* } } } */

#include <stdlib.h>

#define N 128
#define OFF 3

/* unaligned store.  */

int main_1 (int off)
{
  int i;
  char ia[N+OFF];

  for (i = 0; i < N; i++)
    {
      ia[i+off] = 5;
    }

  /* check results:  */
  for (i = 0; i < N; i++)
    {
      if (ia[i+off] != 5)
        abort ();
    }

  return 0;
}

static volatile int off = 1;

int main (void)
{
  return main_1 (off);
}


/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target { ! { avr-*-* pru-*-* } } } } } */
/* IBM Z does not require special alignment for vectorization.  */
/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" { target { ! { avr-*-* pru-*-* s390*-*-* } } } } } */
/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { target { ! { avr-*-* pru-*-* s390*-*-* } } } } } */