C++ (Cpp) valid_mem_ref_p Exemples

Exemple #1

static tree
create_mem_ref_raw (tree type, tree alias_ptr_type, struct mem_address *addr)
{
  if (!valid_mem_ref_p (TYPE_MODE (type), TYPE_ADDR_SPACE (type), addr))
    return NULL_TREE;

  if (addr->step && integer_onep (addr->step))
    addr->step = NULL_TREE;

  if (addr->offset && integer_zerop (addr->offset))
    addr->offset = NULL_TREE;

  /* If possible use a plain MEM_REF instead of a TARGET_MEM_REF.  */
  if (alias_ptr_type
      && !addr->index
      && !addr->step
      && (!addr->base || POINTER_TYPE_P (TREE_TYPE (addr->base))))
    {
      tree base, offset;
      gcc_assert (!addr->symbol ^ !addr->base);
      if (addr->symbol)
	base = build_fold_addr_expr (addr->symbol);
      else
	base = addr->base;
      if (addr->offset)
	offset = fold_convert (alias_ptr_type, addr->offset);
      else
	offset = build_int_cst (alias_ptr_type, 0);
      return fold_build2 (MEM_REF, type, base, offset);
    }

  return build6 (TARGET_MEM_REF, type,
		 addr->symbol, addr->base, addr->index,
		 addr->step, addr->offset, NULL);
}

Exemple #2

Fichier : tree-ssa-address.c Projet : AsherBond/MondocosmOS-Dependencies

static tree
create_mem_ref_raw (tree type, tree alias_ptr_type, struct mem_address *addr,
		    bool verify)
{
  tree base, index2;

  if (verify
      && !valid_mem_ref_p (TYPE_MODE (type), TYPE_ADDR_SPACE (type), addr))
    return NULL_TREE;

  if (addr->step && integer_onep (addr->step))
    addr->step = NULL_TREE;

  if (addr->offset)
    addr->offset = fold_convert (alias_ptr_type, addr->offset);
  else
    addr->offset = build_int_cst (alias_ptr_type, 0);

  if (addr->symbol)
    {
      base = addr->symbol;
      index2 = addr->base;
    }
  else if (addr->base
	   && POINTER_TYPE_P (TREE_TYPE (addr->base)))
    {
      base = addr->base;
      index2 = NULL_TREE;
    }
  else
    {
      base = build_int_cst (ptr_type_node, 0);
      index2 = addr->base;
    }

  /* If possible use a plain MEM_REF instead of a TARGET_MEM_REF.
     ???  As IVOPTs does not follow restrictions to where the base
     pointer may point to create a MEM_REF only if we know that
     base is valid.  */
  if ((TREE_CODE (base) == ADDR_EXPR || TREE_CODE (base) == INTEGER_CST)
      && (!index2 || integer_zerop (index2))
      && (!addr->index || integer_zerop (addr->index)))
    return fold_build2 (MEM_REF, type, base, addr->offset);

  return build5 (TARGET_MEM_REF, type,
		 base, addr->offset, addr->index, addr->step, index2);
}

Exemple #3

Fichier : tree-ssa-address.c Projet : kallolpar/gcc

static tree
create_mem_ref_raw (tree type, tree alias_ptr_type, struct mem_address *addr,
		    bool verify)
{
  tree base, index2;

  if (verify
      && !valid_mem_ref_p (TYPE_MODE (type), TYPE_ADDR_SPACE (type), addr))
    return NULL_TREE;

  if (addr->step && integer_onep (addr->step))
    addr->step = NULL_TREE;

  if (addr->offset)
    addr->offset = fold_convert (alias_ptr_type, addr->offset);
  else
    addr->offset = build_int_cst (alias_ptr_type, 0);

  if (addr->symbol)
    {
      base = addr->symbol;
      index2 = addr->base;
    }
  else if (addr->base
	   && POINTER_TYPE_P (TREE_TYPE (addr->base)))
    {
      base = addr->base;
      index2 = NULL_TREE;
    }
  else
    {
      base = build_int_cst (ptr_type_node, 0);
      index2 = addr->base;
    }

  /* If possible use a plain MEM_REF instead of a TARGET_MEM_REF.  */
  if (alias_ptr_type
      && (!index2 || integer_zerop (index2))
      && (!addr->index || integer_zerop (addr->index)))
    return fold_build2 (MEM_REF, type, base, addr->offset);

  return build5 (TARGET_MEM_REF, type,
		 base, addr->offset, addr->index, addr->step, index2);
}