r190722 - in /trunk/gcc: ChangeLog config/tileg...

[walt@gcc.gnu.org]

Author: walt
Date: Mon Aug 27 17:27:04 2012
New Revision: 190722

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=190722
Log:
Properly set the latency of atomic ops to the approximate latency of a
remote memory operation.
	* config/tilegx/sync.md (atomic_compare_and_swap_bare<mode>,
	atomic_exchange_bare<mode>,
	atomic_fetch_<fetchop_name>_bare<mode>): Set type to X1_remote.
	* config/tilegx/tilegx-generic.md (X1_remote): New
	insn_reservation.
	* config/tilegx/tilegx.md (type): Add X1_remove.
	(insn_cmpexch<four_if_si>, insn_exch<four_if_si>,
	insn_fetchadd<four_if_si>, insn_fetchaddgez<four_if_si>,
	insn_fetchand<four_if_si>, insn_fetchor<four_if_si>): Set type to
	X1_remote.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/tilegx/sync.md
    trunk/gcc/config/tilegx/tilegx-generic.md
    trunk/gcc/config/tilegx/tilegx.md