gen_bitlen

/* gen_bitlen(TState&, tree_desc*) */

void gen_bitlen(TState *param_1,tree_desc *param_2)

{
  ushort *puVar1;
  ushort uVar2;
  short sVar3;
  int iVar4;
  int iVar5;
  int iVar6;
  int iVar7;
  int iVar8;
  int iVar9;
  int iVar10;
  int iVar11;
  TState *pTVar12;
  uint uVar13;
  int local_28;
  int local_24;
  int local_14;
  
  iVar4 = *(int *)param_2;
  iVar10 = *(int *)(param_2 + 8);
  iVar5 = *(int *)(param_2 + 0xc);
  iVar6 = *(int *)(param_2 + 0x18);
  local_14 = *(int *)(param_2 + 0x14);
  iVar7 = *(int *)(param_2 + 4);
  iVar8 = 0;
  do {
    *(undefined2 *)(param_1 + iVar8 * 2 + 0xfe4) = 0;
    iVar8 = iVar8 + 1;
  } while (iVar8 != 0x10);
  *(undefined2 *)(iVar4 + 2 + *(int *)(param_1 + *(int *)(param_1 + 0x18fc) * 4 + 0x1004) * 4) = 0;
  if (*(int *)(param_1 + 0x18fc) + 1 < 0x23d) {
    pTVar12 = param_1 + *(int *)(param_1 + 0x18fc) * 4 + 0x1008;
    local_28 = 0;
    do {
      iVar8 = *(int *)pTVar12;
      puVar1 = (ushort *)(iVar4 + iVar8 * 4);
      iVar9 = *(ushort *)(iVar4 + 2 + (uint)puVar1[1] * 4) + 1;
      if (local_14 < iVar9) {
        local_28 = local_28 + 1;
        iVar9 = local_14;
      }
      puVar1[1] = (ushort)iVar9;
      if (iVar8 <= iVar6) {
        *(short *)(param_1 + iVar9 * 2 + 0xfe4) = *(short *)(param_1 + iVar9 * 2 + 0xfe4) + 1;
        iVar11 = 0;
        if (iVar5 <= iVar8) {
          iVar11 = *(int *)(iVar10 + (iVar8 - iVar5) * 4);
        }
        uVar2 = *puVar1;
        *(uint *)(param_1 + 0x1af3c) = *(int *)(param_1 + 0x1af3c) + (iVar9 + iVar11) * (uint)uVar2;
        if (iVar7 != 0) {
          *(uint *)(param_1 + 0x1af40) =
               *(int *)(param_1 + 0x1af40) +
               (iVar11 + (uint)*(ushort *)(iVar7 + 2 + iVar8 * 4)) * (uint)uVar2;
        }
      }
      pTVar12 = pTVar12 + 4;
    } while (pTVar12 != param_1 + 0x18f8);
    if (local_28 != 0) {
      Trace("\nbit length overflow\n");
      local_24 = local_14 + -1;
      do {
        sVar3 = *(short *)(param_1 + (local_14 + 0x7ef) * 2 + 4);
        iVar10 = local_24;
        while (sVar3 == 0) {
          iVar10 = iVar10 + -1;
          sVar3 = *(short *)(param_1 + iVar10 * 2 + 0xfe4);
        }
        *(short *)(param_1 + iVar10 * 2 + 0xfe6) = *(short *)(param_1 + iVar10 * 2 + 0xfe6) + 2;
        local_28 = local_28 + -2;
        *(short *)(param_1 + iVar10 * 2 + 0xfe4) = sVar3 + -1;
        sVar3 = *(short *)(param_1 + local_14 * 2 + 0xfe4);
        *(ushort *)(param_1 + local_14 * 2 + 0xfe4) = sVar3 - 1U;
      } while (0 < local_28);
      uVar13 = (uint)(ushort)(sVar3 - 1U);
      if (local_14 != 0) {
        iVar10 = 0x23d;
        while( true ) {
          while (uVar13 != 0) {
            iVar10 = iVar10 + -1;
            iVar5 = *(int *)(param_1 + iVar10 * 4 + 0x1004);
            if (iVar5 <= iVar6) {
              puVar1 = (ushort *)(iVar4 + iVar5 * 4);
              if (puVar1[1] != (ushort)local_14) {
                Trace("code %d bits %d->%d\n",iVar5,(uint)puVar1[1],local_14);
                *(uint *)(param_1 + 0x1af3c) =
                     *(int *)(param_1 + 0x1af3c) + (local_14 - (uint)puVar1[1]) * (uint)*puVar1;
                puVar1[1] = (ushort)local_14;
              }
              uVar13 = uVar13 - 1;
            }
          }
          local_14 = local_24;
          if (local_24 == 0) break;
          uVar13 = (uint)*(ushort *)(param_1 + local_24 * 2 + 0xfe4);
          local_24 = local_24 + -1;
        }
      }
    }
  }
  return;
}