C++ (Cpp) use_register_for_decl 예제들

예제 #1

파일: frame-header-opt.c 프로젝트: chinabin/gcc-tiny

static bool
needs_frame_header_p (function *fn)
{
  tree t;

  if (fn->decl == NULL)
    return true;

  if (fn->stdarg)
    return true;

  for (t = DECL_ARGUMENTS (fn->decl); t; t = TREE_CHAIN (t))
    {
      if (!use_register_for_decl (t))
	return true;

      /* Some 64-bit types may get copied to general registers using the frame
	 header, see mips_output_64bit_xfer.  Checking for SImode only may be
         overly restrictive but it is guaranteed to be safe. */
      if (DECL_MODE (t) != SImode)
	return true;
    }

  return false;
}

예제 #2

파일: cfgexpand.c 프로젝트: seguljac/higpu

static void
expand_one_var (tree var, bool toplevel)
{
  if (TREE_CODE (var) != VAR_DECL)
    lang_hooks.expand_decl (var);
  else if (DECL_EXTERNAL (var))
    ;
  else if (DECL_VALUE_EXPR (var))
    ;
  else if (TREE_STATIC (var))
    expand_one_static_var (var);
  else if (DECL_RTL_SET_P (var))
    ;
  else if (TREE_TYPE (var) == error_mark_node)
    expand_one_error_var (var);
  else if (DECL_HARD_REGISTER (var))
    expand_one_hard_reg_var (var);
  else if (use_register_for_decl (var))
    expand_one_register_var (var);
  else if (defer_stack_allocation (var, toplevel))
    add_stack_var (var);
  else
    expand_one_stack_var (var);
}