File: pr82954.c

package info (click to toggle)
gcc-arm-none-eabi 15%3A12.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 959,712 kB
  • sloc: cpp: 3,275,382; ansic: 2,061,766; ada: 840,956; f90: 208,513; makefile: 76,132; asm: 73,433; xml: 50,448; exp: 34,146; sh: 32,436; objc: 15,637; fortran: 14,012; python: 11,991; pascal: 6,787; awk: 4,779; perl: 3,054; yacc: 338; ml: 285; lex: 201; haskell: 122
file content (22 lines) | stat: -rw-r--r-- 435 bytes parent folder | download | duplicates (6) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
/* PR tree-optimization/82954 */

__attribute__((noipa)) void
foo (int *__restrict p, int *__restrict q)
{
  p[0] = p[0] ^ 1;
  p[1] = p[1] ^ 2;
  p[2] = p[2] ^ q[2];
  p[3] = p[3] ^ q[3];
}

int
main ()
{
  int p[4] = { 16, 32, 64, 128 };
  int q[4] = { 8, 4, 2, 1 };
  asm volatile ("" : : "g" (p), "g" (q) : "memory");
  foo (p, q);
  if (p[0] != 17 || p[1] != 34 || p[2] != 66 || p[3] != 129)
    __builtin_abort ();
  return 0;
}