From: Bernd Schmidt <bernds@redhat.com>
Date: Thu, 1 Mar 2001 14:25:30 +0000 (+0000)
Subject: Rotate bundles earlier in ia64_sched_reorder
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2d1b811d7e693d0a5d3593a0593394ce4aa6a2c1;p=gcc.git

Rotate bundles earlier in ia64_sched_reorder

From-SVN: r40157
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c72d69ed0fa..0247ae2b117 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -5,6 +5,7 @@
 	(gen_nop_type): New function.
 	(ia64_emit_nops): New function.
 	(ia64_reorg): Call it.
+	(ia64_sched_reorder): Move code that rotates bundles up a bit.
 
 	* reload1.c (eliminate_regs_in_insn): Restrict the special case
 	code not to try to optimize adds with anything but a REG destination.
diff --git a/gcc/config/ia64/ia64.c b/gcc/config/ia64/ia64.c
index 1b49a5cd60b..2b72959bdbb 100644
--- a/gcc/config/ia64/ia64.c
+++ b/gcc/config/ia64/ia64.c
@@ -5665,6 +5665,15 @@ ia64_sched_reorder (dump, sched_verbose, ready, pn_ready, reorder_type)
       dump_current_packet (dump);
     }
 
+  if (reorder_type == 0)
+    {
+      if (sched_data.cur == 6)
+	rotate_two_bundles (sched_verbose ? dump : NULL);
+      else if (sched_data.cur >= 3)
+	rotate_one_bundle (sched_verbose ? dump : NULL);
+      sched_data.first_slot = sched_data.cur;
+    }
+
   /* First, move all USEs, CLOBBERs and other crud out of the way.  */
   highest = ready[n_ready - 1];
   for (insnp = ready; insnp < e_ready; insnp++)
@@ -5738,15 +5747,6 @@ ia64_sched_reorder (dump, sched_verbose, ready, pn_ready, reorder_type)
 	}
     }
 
-  if (reorder_type == 0)
-    {
-      if (sched_data.cur == 6)
-	rotate_two_bundles (sched_verbose ? dump : NULL);
-      else if (sched_data.cur >= 3)
-	rotate_one_bundle (sched_verbose ? dump : NULL);
-      sched_data.first_slot = sched_data.cur;
-    }
-
   return itanium_reorder (sched_verbose ? dump : NULL,
 			  ready, e_ready, reorder_type == 1);
 }