From: Javier Bueno <javier.bueno@metempsy.com>
Date: Sat, 17 Nov 2018 23:59:09 +0000 (+0100)
Subject: mem-cache: a missing cast was truncating addresses
X-Git-Tag: v19.0.0.0~1385
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=040fabe2bd1d3e34dc2855b2b443af503b967c6b;p=gem5.git

mem-cache: a missing cast was truncating addresses

High bits were truncated when computing the block address

Change-Id: Iab2a4c6063ece2d1d4c24ce5686045a6d6d35434
Reviewed-on: https://gem5-review.googlesource.com/c/14415
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br>
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
---

diff --git a/src/mem/cache/prefetch/base.cc b/src/mem/cache/prefetch/base.cc
index 3f5b67e6a..53260ae0d 100644
--- a/src/mem/cache/prefetch/base.cc
+++ b/src/mem/cache/prefetch/base.cc
@@ -140,7 +140,7 @@ BasePrefetcher::samePage(Addr a, Addr b) const
 Addr
 BasePrefetcher::blockAddress(Addr a) const
 {
-    return a & ~(blkSize-1);
+    return a & ~((Addr)blkSize-1);
 }
 
 Addr