From 490b41eaac105e640dfa93e06bf844b281fbf062 Mon Sep 17 00:00:00 2001
From: handsomeliu <handsomeliu@google.com>
Date: Wed, 7 Apr 2021 16:54:53 +0800
Subject: [PATCH] cpu: Increased the upper bound of cpu issue width

The upper bound was 8, but issue width increased to 12 since Cortex A77.
(https://en.wikichip.org/wiki/arm_holdings/microarchitectures/cortex-a77)
This CL increased the upper bound to 12.

Bug: 175759373
Test: gem5/main/config/example/se.py
Change-Id: I9d084b940628a2bcfa676d386d3d1a82ba9b03f2
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/44225
Reviewed-by: Gabe Black <gabe.black@gmail.com>
Maintainer: Gabe Black <gabe.black@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
---
 src/cpu/o3/impl.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/cpu/o3/impl.hh b/src/cpu/o3/impl.hh
index bc7e408518..b7099301df 100644
--- a/src/cpu/o3/impl.hh
+++ b/src/cpu/o3/impl.hh
@@ -72,7 +72,7 @@ struct O3CPUImpl
 
     enum
     {
-      MaxWidth = 8,
+      MaxWidth = 12,
       MaxThreads = 4
     };
 };