C++ (Cpp) double_int_minus_one_p Beispiele

Beispiel #1

Datei: tree-affine.c Projekt: IntegerCompany/linaro-android-gcc

static tree
add_elt_to_tree (tree expr, tree type, tree elt, double_int scale,
		 aff_tree *comb)
{
  enum tree_code code;
  tree type1 = type;
  if (POINTER_TYPE_P (type))
    type1 = sizetype;

  scale = double_int_ext_for_comb (scale, comb);
  elt = fold_convert (type1, elt);

  if (double_int_one_p (scale))
    {
      if (!expr)
	return fold_convert (type, elt);

      if (POINTER_TYPE_P (type))
        return fold_build2 (POINTER_PLUS_EXPR, type, expr, elt);
      return fold_build2 (PLUS_EXPR, type, expr, elt);
    }

  if (double_int_minus_one_p (scale))
    {
      if (!expr)
	return fold_convert (type, fold_build1 (NEGATE_EXPR, type1, elt));

      if (POINTER_TYPE_P (type))
	{
	  elt = fold_build1 (NEGATE_EXPR, type1, elt);
	  return fold_build2 (POINTER_PLUS_EXPR, type, expr, elt);
	}
      return fold_build2 (MINUS_EXPR, type, expr, elt);
    }

  if (!expr)
    return fold_convert (type,
			 fold_build2 (MULT_EXPR, type1, elt,
				      double_int_to_tree (type1, scale)));

  if (double_int_negative_p (scale))
    {
      code = MINUS_EXPR;
      scale = double_int_neg (scale);
    }
  else
    code = PLUS_EXPR;

  elt = fold_build2 (MULT_EXPR, type1, elt,
		     double_int_to_tree (type1, scale));
  if (POINTER_TYPE_P (type))
    {
      if (code == MINUS_EXPR)
        elt = fold_build1 (NEGATE_EXPR, type1, elt);
      return fold_build2 (POINTER_PLUS_EXPR, type, expr, elt);
    }
  return fold_build2 (code, type, expr, elt);
}

Beispiel #2

Datei: tree-affine.c Projekt: fabio-d/xc16plusplus-source

static tree
add_elt_to_tree (tree expr, tree type, tree elt, double_int scale,
		 aff_tree *comb)
{
  enum tree_code code;
  tree type1 = type;
  if (POINTER_TYPE_P (type))
#ifdef TARGET_POINTER_SIZETYPE
    {
       /* sizetype is not good enough for pointers in ADDRESS_SPACES 
          on dsPIC; some pointers are larger than 'sizetype' (CAW) */
       type1 = TARGET_POINTER_SIZETYPE(type);
    }
#else
    type1 = sizetype;
#endif

  scale = double_int_ext_for_comb (scale, comb);
  elt = fold_convert (type1, elt);

  if (double_int_one_p (scale))
    {
      if (!expr)
	return fold_convert (type, elt);

      if (POINTER_TYPE_P (type))
        return fold_build2 (POINTER_PLUS_EXPR, type, expr, elt);
      return fold_build2 (PLUS_EXPR, type, expr, elt);
    }

  if (double_int_minus_one_p (scale))
    {
      if (!expr)
	return fold_convert (type, fold_build1 (NEGATE_EXPR, type1, elt));

      if (POINTER_TYPE_P (type))
	{
	  elt = fold_build1 (NEGATE_EXPR, type1, elt);
	  return fold_build2 (POINTER_PLUS_EXPR, type, expr, elt);
	}
      return fold_build2 (MINUS_EXPR, type, expr, elt);
    }

  if (!expr)
    return fold_convert (type,
			 fold_build2 (MULT_EXPR, type1, elt,
				      double_int_to_tree (type1, scale)));

  if (double_int_negative_p (scale))
    {
      code = MINUS_EXPR;
      scale = double_int_neg (scale);
    }
  else
    code = PLUS_EXPR;

  elt = fold_build2 (MULT_EXPR, type1, elt,
		     double_int_to_tree (type1, scale));
  if (POINTER_TYPE_P (type))
    {
      if (code == MINUS_EXPR)
        elt = fold_build1 (NEGATE_EXPR, type1, elt);
      return fold_build2 (POINTER_PLUS_EXPR, type, expr, elt);
    }
  return fold_build2 (code, type, expr, elt);
}