misc: Remove redundant compiler-specific defines

This patch moves away from using M5_ATTR_OVERRIDE and the m5::hashmap
(and similar) abstractions, as these are no longer needed with gcc 4.7
and clang 3.1 as minimum compiler versions.

1 files changed, 3 insertions, 2 deletions

diff --git a/src/mem/cache/prefetch/stride.hh b/src/mem/cache/prefetch/stride.hh
index 2798c823f..af17252d8 100644
--- a/src/mem/cache/prefetch/stride.hh
+++ b/src/mem/cache/prefetch/stride.hh
@@ -48,7 +48,8 @@
 #ifndef __MEM_CACHE_PREFETCH_STRIDE_HH__
 #define __MEM_CACHE_PREFETCH_STRIDE_HH__
 
-#include "base/hashmap.hh"
+#include <unordered_map>
+
 #include "mem/cache/prefetch/queued.hh"
 #include "params/StridePrefetcher.hh"
 
@@ -99,7 +100,7 @@ class StridePrefetcher : public QueuedPrefetcher
         const int pcTableAssoc;
         const int pcTableSets;
         const std::string _name;
-        m5::hash_map<int, StrideEntry**> entries;
+        std::unordered_map<int, StrideEntry**> entries;
 
         StrideEntry** allocateNewContext(int context);
     };