From 341dbf266258dcbdb1e5e9f09c244b8ac271faaf Mon Sep 17 00:00:00 2001
From: Andreas Hansson <andreas.hansson@arm.com>
Date: Sat, 27 Sep 2014 09:08:36 -0400
Subject: arch: Use const StaticInstPtr references where possible

This patch optimises the passing of StaticInstPtr by avoiding copying
the reference-counting pointer. This avoids first incrementing and
then decrementing the reference-counting pointer.
---
 src/arch/generic/debugfaults.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/arch/generic/debugfaults.hh')

diff --git a/src/arch/generic/debugfaults.hh b/src/arch/generic/debugfaults.hh
index fcfdfb9e1..aeb2261a7 100644
--- a/src/arch/generic/debugfaults.hh
+++ b/src/arch/generic/debugfaults.hh
@@ -86,8 +86,8 @@ class M5DebugFault : public FaultBase
     }
 
     void
-    invoke(ThreadContext *tc,
-            StaticInstPtr inst = StaticInst::nullStaticInstPtr)
+    invoke(ThreadContext *tc, const StaticInstPtr &inst =
+           StaticInst::nullStaticInstPtr)
     {
         switch (func) {
           case PanicFunc:
-- 
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