gcc/testsuite/gcc.target/i386/pr69052.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target pie } */
   3 /* { dg-options "-O2 -fPIE -pie" } */
   4
   5 int look_nbits[256], loop_sym[256];
   6 const int ind[] = {
   7   0,  1,  8, 16,  9,  2,  3, 10, 17, 24, 32, 25, 18, 11,  4,  5,
   8  12, 19, 26, 33, 40, 48, 41, 34, 27, 20, 13,  6,  7, 14, 21, 28,
   9  35, 42, 49, 56, 57, 50, 43, 36, 29, 22, 15, 23, 30, 37, 44, 51,
  10  58, 59, 52, 45, 38, 31, 39, 46, 53, 60, 61, 54, 47, 55, 62, 63
  11 };
  12 int out[256];
  13 extern void bar (int *, int *);
  14 void foo (int *l1, int *l2, int *v, int *v1, int *m1, int i)
  15 {
  16   int L = i + 1, b = 20;
  17   int result, k;
  18
  19   for (k = 1; k < 64; k++)
  20     {
  21       int look = (((L >> (b - 8))) & ((1 << 8) - 1));
  22       int nb = l1[look];
  23       int code;
  24       int r;
  25
  26       if (nb)
  27         {
  28           b -= nb;
  29           result = l2[look];
  30         }
  31       else
  32         {
  33           nb = 9;
  34           code = (((L >> (b -= nb))) & ((1 << nb) - 1));
  35           result = v[(code + v1[nb])];
  36         }
  37       r = result >> 4;
  38       result &= 15;
  39       if (result)
  40         {
  41           k += r;
  42           r = (((L >> (b -= result))) & ((1 << result) - 1));
  43           if (r < (1 << (result - 1)))
  44             result = r + (((-1) << result) + 1);
  45           else
  46             result = r;
  47
  48           out[ind[k]] = result;
  49         }
  50       bar (&L, &b);
  51     }
  52 }
  53
  54 /* { dg-final { scan-assembler-not "leal\[ \t\]ind@GOTOFF\\(%\[^,\]*\\), %" { target ia32 } } } */