From: Stefan Pintilie <stefanp@ca.ibm.com>
Date: Tue, 3 Oct 2017 20:27:30 +0000 (+0000)
Subject: [PowerPC] Revert P9 scheduling model to incomplete
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=62322d8c8e0016ff4c7c26c4c25ca21e66d31e7a;p=llvm

[PowerPC] Revert P9 scheduling model to incomplete

Partially revert a previous change from commit: https://llvm.org/svn/llvm-project/llvm/trunk@314026
The previous change caused regressions on Power 9.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@314835 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/PowerPC/PPCScheduleP9.td b/lib/Target/PowerPC/PPCScheduleP9.td
index 6830488deb2..f88b5732207 100644
--- a/lib/Target/PowerPC/PPCScheduleP9.td
+++ b/lib/Target/PowerPC/PPCScheduleP9.td
@@ -22,7 +22,7 @@ def P9Model : SchedMachineModel {
   // Try to make sure we have at least 10 dispatch groups in a loop.
   let LoopMicroOpBufferSize = 60;
 
-  let CompleteModel = 1;
+  let CompleteModel = 0;
 
   let UnsupportedFeatures = [HasQPX];