From daade6c854bb6d881d6a4fc7bb796213de6f9bdf Mon Sep 17 00:00:00 2001 From: ebotcazou Date: Wed, 14 Feb 2007 20:51:12 +0000 Subject: PR rtl-optimization/28772 * Makefile.in (haifa-sched.o): Add dependency on $(PARAMS_H). Backport from mainline: 2006-04-13 Eric Botcazou * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter, defaulting to 100. * params.h (MAX_SCHED_READY_INSNS): New macro. * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle past MAX_SCHED_READY_INSNS 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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_1-branch@121964 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/doc/invoke.texi | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'gcc/doc') diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 910f438d68c..3f95a3e5a97 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -6082,6 +6082,12 @@ feedback is available and may be set to higher values than @option{reorder-block-duplicate} since information about the hot spots is more accurate. +@item max-sched-ready-insns +The maximum number of instructions ready to be issued the scheduler should +consider at any given time during the first scheduling pass. Increasing +values mean more thorough searches, making the compilation time increase +with probably little benefit. The default value is 100. + @item max-sched-region-blocks The maximum number of blocks in a region to be considered for interblock scheduling. The default value is 10. -- cgit v1.2.1