gcc/testsuite/gcc.dg/pr44023.c

   1 /* PR debug/44023 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-fcompare-debug -O2" } */
   4 /* { dg-options "-fcompare-debug -O2 -mcpu=ev67" { target alpha*-*-* } } */
   5 /* { dg-require-effective-target int32plus } */
   6 /* { dg-xfail-if "" { powerpc-ibm-aix* } } */
   7
   8 void
   9 foo (unsigned f, long v, unsigned *w, unsigned a, unsigned b, unsigned e, unsigned c, unsigned d)
  10 {
  11   unsigned h = v / 4, x[16];
  12   while (f < h)
  13     {
  14       unsigned i;
  15       f++;
  16       a |= (a >> 30);
  17       d = (d << 30) | ((unsigned) d >> 30);
  18       c = (c << 30) | ((unsigned) c >> 30);
  19       b = 30 | ((unsigned) b >> 30);
  20       d += a = (a << 30) | ((unsigned) a >> 2);
  21       c += ((d << 5) | (d >> 27)) + ((e & (a ^ b))) + 0x5a827999 + x[12];
  22       a += (c & e);
  23       c = 30 | ((unsigned) c);
  24       i = x[5] ^ x[7] ^ x[8] ^ x[3];
  25       x[5] = (i << 1) | ((unsigned) i >> 31);
  26       i = x[6] ^ x[2] ^ x[14] ^ x[13];
  27       x[6] = (i << 1) | (i >> 31);
  28       b += (c | (c >> 5)) + (d ^ e) + 0x6ed9eba1 + (x[7] = (i << 1) | ((unsigned) i >> 31));
  29       x[8] = i | 1;
  30       e += (a | 5) + b + (i = x[9] ^ x[6], x[10] = (i << (unsigned) i));
  31       e = 30 | ((unsigned) e >> 30);
  32       i = x[12] ^ x[14] ^ x[12] ^ x[12], (x[12] = 1 | ((unsigned) i));
  33       i = x[13] ^ x[5] ^ x[10], (x[13] = (i << (unsigned) 1));
  34       i = x[2] ^ x[7] ^ x[12], (x[15] = i | ((unsigned) i >> 1));
  35       i = x[2] ^ x[0] ^ x[13], (x[0] = (i << 1) | 31);
  36       e = (e << 30) | 2;
  37       i = x[14] ^ x[2] ^ x[15], (x[2] = i | 1);
  38       x[3] = i | ((unsigned) i);
  39       i = x[14] ^ x[12] ^ x[4], (x[4] = 1 | ((unsigned) i >> 1));
  40       x[5] = i | 1;
  41       e = (e << 30) | 30;
  42       b += (5 | ((unsigned) e >> 5)) + 0x8f1bbcdc + (x[9] = (i | ((unsigned) i >> 1)));
  43       i = x[2] ^ (x [10] = ((i << 1) | (i >> 1)));
  44       x[13] = (i | ((unsigned) i >> 1));
  45       (i = x[14] ^ x[0] ^ x[14], (x[14] = ((i << 1) | 31)));
  46       a = *w += a;
  47     }
  48 }