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;
}
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);
}