Esempio n. 1
0
static void
write_ts_decl_minimal_tree_pointers (struct output_block *ob, tree expr,
				     bool ref_p)
{
  stream_write_tree (ob, DECL_NAME (expr), ref_p);
  stream_write_tree (ob, DECL_CONTEXT (expr), ref_p);
  lto_output_location (ob, DECL_SOURCE_LOCATION (expr));
}
Esempio n. 2
0
static void
write_ts_exp_tree_pointers (struct output_block *ob, tree expr, bool ref_p)
{
  int i;

  streamer_write_hwi (ob, TREE_OPERAND_LENGTH (expr));
  for (i = 0; i < TREE_OPERAND_LENGTH (expr); i++)
    stream_write_tree (ob, TREE_OPERAND (expr, i), ref_p);
  lto_output_location (ob, EXPR_LOCATION (expr));
  stream_write_tree (ob, TREE_BLOCK (expr), ref_p);
}
Esempio n. 3
0
static void
output_phi (struct output_block *ob, gimple phi)
{
  unsigned i, len = gimple_phi_num_args (phi);

  streamer_write_record_start (ob, lto_gimple_code_to_tag (GIMPLE_PHI));
  streamer_write_uhwi (ob, SSA_NAME_VERSION (PHI_RESULT (phi)));

  for (i = 0; i < len; i++)
    {
      stream_write_tree (ob, gimple_phi_arg_def (phi, i), true);
      streamer_write_uhwi (ob, gimple_phi_arg_edge (phi, i)->src->index);
      lto_output_location (ob, gimple_phi_arg_location (phi, i));
    }
}
Esempio n. 4
0
static void
output_gimple_stmt (struct output_block *ob, gimple stmt)
{
  unsigned i;
  enum gimple_code code;
  enum LTO_tags tag;
  struct bitpack_d bp;

  /* Emit identifying tag.  */
  code = gimple_code (stmt);
  tag = lto_gimple_code_to_tag (code);
  streamer_write_record_start (ob, tag);

  /* Emit the tuple header.  */
  bp = bitpack_create (ob->main_stream);
  bp_pack_var_len_unsigned (&bp, gimple_num_ops (stmt));
  bp_pack_value (&bp, gimple_no_warning_p (stmt), 1);
  if (is_gimple_assign (stmt))
    bp_pack_value (&bp, gimple_assign_nontemporal_move_p (stmt), 1);
  bp_pack_value (&bp, gimple_has_volatile_ops (stmt), 1);
  bp_pack_var_len_unsigned (&bp, stmt->gsbase.subcode);
  streamer_write_bitpack (&bp);

  /* Emit location information for the statement.  */
  lto_output_location (ob, LOCATION_LOCUS (gimple_location (stmt)));

  /* Emit the lexical block holding STMT.  */
  stream_write_tree (ob, gimple_block (stmt), true);

  /* Emit the operands.  */
  switch (gimple_code (stmt))
    {
    case GIMPLE_RESX:
      streamer_write_hwi (ob, gimple_resx_region (stmt));
      break;

    case GIMPLE_EH_MUST_NOT_THROW:
      stream_write_tree (ob, gimple_eh_must_not_throw_fndecl (stmt), true);
      break;

    case GIMPLE_EH_DISPATCH:
      streamer_write_hwi (ob, gimple_eh_dispatch_region (stmt));
      break;

    case GIMPLE_ASM:
      streamer_write_uhwi (ob, gimple_asm_ninputs (stmt));
      streamer_write_uhwi (ob, gimple_asm_noutputs (stmt));
      streamer_write_uhwi (ob, gimple_asm_nclobbers (stmt));
      streamer_write_uhwi (ob, gimple_asm_nlabels (stmt));
      streamer_write_string (ob, ob->main_stream, gimple_asm_string (stmt),
			     true);
      /* Fallthru  */

    case GIMPLE_ASSIGN:
    case GIMPLE_CALL:
    case GIMPLE_RETURN:
    case GIMPLE_SWITCH:
    case GIMPLE_LABEL:
    case GIMPLE_COND:
    case GIMPLE_GOTO:
    case GIMPLE_DEBUG:
      for (i = 0; i < gimple_num_ops (stmt); i++)
	{
	  tree op = gimple_op (stmt, i);
	  /* Wrap all uses of non-automatic variables inside MEM_REFs
	     so that we do not have to deal with type mismatches on
	     merged symbols during IL read in.  The first operand
	     of GIMPLE_DEBUG must be a decl, not MEM_REF, though.  */
	  if (op && (i || !is_gimple_debug (stmt)))
	    {
	      tree *basep = &op;
	      while (handled_component_p (*basep))
		basep = &TREE_OPERAND (*basep, 0);
	      if (TREE_CODE (*basep) == VAR_DECL
		  && !auto_var_in_fn_p (*basep, current_function_decl)
		  && !DECL_REGISTER (*basep))
		{
		  bool volatilep = TREE_THIS_VOLATILE (*basep);
		  *basep = build2 (MEM_REF, TREE_TYPE (*basep),
				   build_fold_addr_expr (*basep),
				   build_int_cst (build_pointer_type
						  (TREE_TYPE (*basep)), 0));
		  TREE_THIS_VOLATILE (*basep) = volatilep;
		}
	    }
	  stream_write_tree (ob, op, true);
	}
      if (is_gimple_call (stmt))
	{
	  if (gimple_call_internal_p (stmt))
	    streamer_write_enum (ob->main_stream, internal_fn,
				 IFN_LAST, gimple_call_internal_fn (stmt));
	  else
	    stream_write_tree (ob, gimple_call_fntype (stmt), true);
	}
      break;

    case GIMPLE_NOP:
    case GIMPLE_PREDICT:
      break;

    case GIMPLE_TRANSACTION:
      gcc_assert (gimple_transaction_body (stmt) == NULL);
      stream_write_tree (ob, gimple_transaction_label (stmt), true);
      break;

    default:
      gcc_unreachable ();
    }
}