LLVM ERROR: 32 bit adjustments not yet implemented

[tkoenig1]

This is 20020604-1.c:

/* { dg-do assemble } */
/* { dg-require-effective-target ptr32plus } */
/* { dg-xfail-if "The array too big" { "h8300-*-*" } { "-mno-h" "-mn" } { "" } } */
/* { dg-require-stack-size "2048*4*4" } */

/* PR c/6957
   This testcase ICEd at -O2 on IA-32, because
   (insn 141 139 142 (set (subreg:SF (reg:QI 72) 0)
       (plus:SF (reg:SF 73)
           (reg:SF 76))) 525 {*fop_sf_comm_nosse} (insn_list 134 (nil))
       (expr_list:REG_DEAD (reg:SF 73) (nil)))
   couldn't be reloaded. */

void
foo (unsigned int n, int x, int y, unsigned char *z)
{
  int a, b;
  float c[2048][4];

  switch (x)
    {
    case 0x1906:
      a = b = -1;
      break;
    case 0x190A:
      a = b = -1;
      break;
    case 0x8049:
      a = b = -1;
      break;
    case 0x1907:
      a = 1;
      b = 2;
      break;
    default:
      return;
    }

  if (a >= 0)
    {
      unsigned char *d = z;
      unsigned int i;
      for (i = 0; i < n; i++)
    {
      do
        {
          union
          {
        float r;
        unsigned int i;
          }
          e;
          e.r = c[i][1];
          d[a] =
        ((e.i >= 0x3f7f0000) ? ((int) e.i <
                        0) ? (unsigned char) 0
         : (unsigned char) 255 : (e.r =
                      e.r * (255.0F / 256.0F) +
                      32768.0F, (unsigned char) e.i));
        }
      while (0);
      d += y;
    }
    }

  if (b >= 0)
    {
      unsigned char *d = z;
      unsigned int i;
      for (i = 0; i < n; i++)
    {
      do
        {
          union
          {
        float r;
        unsigned int i;
          }
          e;
          e.r = c[i][2];
          d[b] =
        ((e.i >= 0x3f7f0000) ? ((int) e.i <
                        0) ? (unsigned char) 0
         : (unsigned char) 255 : (e.r =
                      e.r * (255.0F / 256.0F) +
                      32768.0F, (unsigned char) e.i));
        }
      while (0);
      d += y;
    }
    }
}

Error message is:

LLVM ERROR: 32 bit adjustments not yet implemented

[bagel99]

This is due to the size of the array on the stack. Will fix soon.

[bagel99]

Test again with commit 6385ec062ccdd3350dcf89f4f2a3653449fb075c

[tkoenig1]

The error is gone, closing.