r181528 - in /trunk/gcc/ada: ChangeLog gcc-inte...

[ebotcazou@gcc.gnu.org]

Author: ebotcazou
Date: Sun Nov 20 10:29:22 2011
New Revision: 181528

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=181528
Log:
	* gcc-interface/trans.c (struct language_function): Add GNAT_RET.
	(f_gnat_ret): New macro.
	(struct nrv_data): Add GNAT_RET.
	(finalize_nrv_unc_r): New helper function.
	(finalize_nrv): Add GNAT_RET parameter.  Copy it into DATA.  If the
	function returns unconstrained, use finalize_nrv_unc_r as callback.
	(return_value_ok_for_nrv_p): Test the alignment of RET_OBJ only if
	RET_OBJ is non-null.
	(Subprogram_Body_to_gnu): Pass GNAT_RET to finalize_nrv.
	(gnat_to_gnu) <N_Return_Statement>: In the return-unconstrained case,
	if optimization is enabled, record candidates for the Named Return
	Value optimization.

Modified:
    trunk/gcc/ada/ChangeLog
    trunk/gcc/ada/gcc-interface/trans.c