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/alpha/stacktrace.hh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'src/arch/alpha/stacktrace.hh')

diff --git a/src/arch/alpha/stacktrace.hh b/src/arch/alpha/stacktrace.hh
index 669c65781..59174c568 100644
--- a/src/arch/alpha/stacktrace.hh
+++ b/src/arch/alpha/stacktrace.hh
@@ -76,7 +76,7 @@ class StackTrace
 
   public:
     StackTrace();
-    StackTrace(ThreadContext *tc, StaticInstPtr inst);
+    StackTrace(ThreadContext *tc, const StaticInstPtr &inst);
     ~StackTrace();
 
     void
@@ -87,7 +87,7 @@ class StackTrace
     }
 
     bool valid() const { return tc != NULL; }
-    bool trace(ThreadContext *tc, StaticInstPtr inst);
+    bool trace(ThreadContext *tc, const StaticInstPtr &inst);
 
   public:
     const std::vector<Addr> &getstack() const { return stack; }
@@ -111,7 +111,7 @@ class StackTrace
 };
 
 inline bool
-StackTrace::trace(ThreadContext *tc, StaticInstPtr inst)
+StackTrace::trace(ThreadContext *tc, const StaticInstPtr &inst)
 {
     if (!inst->isCall() && !inst->isReturn())
         return false;
-- 
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