From 8de9b877e7853c725c1a9cc4dc5e18c39debf41d Mon Sep 17 00:00:00 2001
From: Ayal Zaks <zaks@il.ibm.com>
Date: Tue, 31 Mar 2009 06:19:06 +0000
Subject: [PATCH] SMS - Pass the actual schedulable rows to compute_split_row
From-SVN: r145333
---
gcc/ChangeLog | 5 +++++
gcc/modulo-sched.c | 7 +++++--
2 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6c323f6d8229..81886235bd6e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2009-03-31 Ayal Zaks <zaks@il.ibm.com>
+
+ * modulo-sched.c (sms_schedule_by_order): Pass the actual
+ schedulable rows to compute_split_row.
+
2009-03-31 Ben Elliston <bje@au.ibm.com>
PR target/31635
diff --git a/gcc/modulo-sched.c b/gcc/modulo-sched.c
index 7134bfc0d00c..bd49f9f9b6a2 100644
--- a/gcc/modulo-sched.c
+++ b/gcc/modulo-sched.c
@@ -1832,11 +1832,14 @@ sms_schedule_by_order (ddg_ptr g, int mii, int maxii, int *nodes_order)
}
num_splits++;
+ /* The scheduling window is exclusive of 'end'
+ whereas compute_split_window() expects an inclusive,
+ ordered range. */
if (step == 1)
- split_row = compute_split_row (sched_nodes, start, end,
+ split_row = compute_split_row (sched_nodes, start, end - 1,
ps->ii, u_node);
else
- split_row = compute_split_row (sched_nodes, end, start,
+ split_row = compute_split_row (sched_nodes, end + 1, start,
ps->ii, u_node);
ps_insert_empty_row (ps, split_row, sched_nodes);
--
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