gcc/testsuite/gcc.dg/pr93454.c

   1 /* PR tree-optimization/93454 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -g" } */
   4
   5 #if __SIZEOF_INT__ == 4 && __CHAR_BIT__ == 8
   6 #define A(n) n, n + 0x01010101, n + 0x02020202, n + 0x03030303
   7 #define B(n) A (n), A (n + 0x04040404), A (n + 0x08080808), A (n + 0x0c0c0c0c)
   8 #define C(n) B (n), B (n + 0x10101010), B (n + 0x20202020), B (n + 0x30303030)
   9 #define D(n) C (n), C (n + 0x40404040), C (n + 0x80808080U), C (n + 0xc0c0c0c0U)
  10 const unsigned int a[64] = { C (0) };
  11 const unsigned int b[256] = { D (0) };
  12 const unsigned int c[32] = { B (0), B (0x10101010) };
  13 const unsigned int d[16] = { B (0) };
  14 const unsigned int e[8] = { A (0), A (0x04040404) };
  15
  16 void
  17 foo (void)
  18 {
  19   const unsigned char *s = ((const unsigned char *) a) + 1;
  20   const unsigned char *t = ((const unsigned char *) b) + 1;
  21   const unsigned char *u = ((const unsigned char *) c) + 1;
  22   const unsigned char *v = ((const unsigned char *) d) + 1;
  23   const unsigned char *w = ((const unsigned char *) e) + 1;
  24 }
  25 #endif