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 3ff7acda0882a6ba0d20df72de910dfb92890f5a..74c84b94ff2f9d36cacc17d864013e715c993d5c 100644 (file)
--- 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];