From: Mitch Hayenga <mitch.hayenga@arm.com>
Date: Tue, 23 Dec 2014 14:31:19 +0000 (-0500)
Subject: mem: Change prefetcher to use random_mt
X-Git-Tag: stable_2015_04_15~40
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b2342c5d9aea0b732f6d5a5b6c9c3961940ed8e7;p=gem5.git

mem: Change prefetcher to use random_mt

Prefechers has used rand() to generate random numers previously.
---

diff --git a/src/mem/cache/prefetch/stride.cc b/src/mem/cache/prefetch/stride.cc
index 3ff7acda0..74c84b94f 100644
--- a/src/mem/cache/prefetch/stride.cc
+++ b/src/mem/cache/prefetch/stride.cc
@@ -46,6 +46,7 @@
  * Stride Prefetcher template instantiations.
  */
 
+#include "base/random.hh"
 #include "debug/HWPrefetch.hh"
 #include "mem/cache/prefetch/stride.hh"
 
@@ -176,7 +177,7 @@ StridePrefetcher::pcTableVictim(Addr pc, int master_id)
 {
     // Rand replacement for now
     int set = pcHash(pc);
-    int way = rand() % pcTableAssoc;
+    int way = random_mt.random<int>(0, pcTableAssoc - 1);
 
     DPRINTF(HWPrefetch, "Victimizing lookup table[%d][%d].\n", set, way);
     return &pcTable[master_id][set][way];