From: Nathan Binkert <binkertn@umich.edu>
Date: Sun, 20 Nov 2005 22:55:11 +0000 (-0500)
Subject: For SimpleCPU profiling code, only update the exec context's
X-Git-Tag: m5_2.0_beta1~299
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=6e6422ab22f867a49b1c59b3b2589cf6647dddee;p=gem5.git

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
---

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