File: pr80170.c

package info (click to toggle)
gcc-riscv64-unknown-elf 8.3.0.2019.08%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 680,956 kB
  • sloc: ansic: 3,237,715; cpp: 896,882; ada: 772,854; f90: 144,254; asm: 68,788; makefile: 67,456; sh: 29,743; exp: 28,045; objc: 15,273; fortran: 11,885; python: 7,369; pascal: 5,375; awk: 3,725; perl: 2,872; yacc: 316; xml: 311; ml: 285; lex: 198; haskell: 122
file content (43 lines) | stat: -rw-r--r-- 717 bytes parent folder | download | duplicates (4)
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 } */
/* { dg-options "-fgimple -O2 -ftree-slp-vectorize" } */
/* { dg-require-effective-target ptr32plus } */

struct  A
{
  void * a;
  void * b;
};

struct __attribute__((aligned(16))) B
{
  void * pad;
  void * misaligned;
  void * pad2;

  struct A a;
};

__attribute__((noclone, noinline))
void __GIMPLE (startwith("slp"))
NullB (void * misalignedPtr)
{
  struct B * b;

  bb_2:
#if __SIZEOF_LONG__ == 8
  b_2 = misalignedPtr_1(D) + 18446744073709551608ul;
#else
  b_2 = misalignedPtr_1(D) + 4294967292ul;
#endif
  __MEM <struct B> (b_2).a.a = _Literal (void *) 0;
  __MEM <struct B> (b_2).a.b = _Literal (void *) 0;
  return;

}

int main()
{
  struct B b;
  NullB (&b.misaligned);
  return 0;
}