From 6e6422ab22f867a49b1c59b3b2589cf6647dddee Mon Sep 17 00:00:00 2001
From: Nathan Binkert <binkertn@umich.edu>
Date: Sun, 20 Nov 2005 17:55:11 -0500
Subject: For SimpleCPU profiling code, only update the exec context's
 profileNode if we got a new one

cpu/simple/cpu.cc:
    Only update the exec context's profileNode if we got a new one

--HG--
extra : convert_revision : a16a7410070b0d811032dc4b86b1368df913b2be
---
 cpu/simple/cpu.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/cpu/simple/cpu.cc b/cpu/simple/cpu.cc
index 862fe5b2c..d352d8c03 100644
--- a/cpu/simple/cpu.cc
+++ b/cpu/simple/cpu.cc
@@ -764,7 +764,9 @@ SimpleCPU::tick()
         if (xc->profile) {
             bool usermode = (xc->regs.ipr[AlphaISA::IPR_DTB_CM] & 0x18) != 0;
             xc->profilePC = usermode ? 1 : xc->regs.pc;
-            xc->profileNode = xc->profile->consume(xc, inst);
+            ProfileNode *node = xc->profile->consume(xc, inst);
+            if (node)
+                xc->profileNode = node;
         }
 #endif
 
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