------- Comment #5 from ebotcazou at gcc dot gnu dot org 2005-11-14 18:50
-------
Created an attachment (id=10236)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=10236&action=view)
Patch (against 3.4.x) for controlling the explosion of the 1st scheduling pass.
* params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
defaulting to 100.
* params.h (MAX_SCHED_READY_INSNS): New macro.
* haifa-sched.c: Include param.h.
(queue_to_ready): Re-queue insns past MAX_SCHED_READY_INSNS
for the next cycle during the first scheduling pass.
(schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
the ready list for 1 cycle during the first scheduling pass.
* doc/invoke.texi (--param): New parameter
max-sched-ready-insns.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24853
