mem-ruby: Fix MultiGrainBloomFilter accessing
When accessing the page filter the page hash should be used
instead of the hash of the base filter.
Change-Id: I17b7c64f2a0d654c7d9a77a7bfb435385d81032c
Signed-off-by: Daniel R. Carvalho <odanrc@yahoo.com.br>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/18739
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
diff --git a/src/mem/ruby/filters/MultiGrainBloomFilter.cc b/src/mem/ruby/filters/MultiGrainBloomFilter.cc
index d91eb7f..150e0a5 100644
--- a/src/mem/ruby/filters/MultiGrainBloomFilter.cc
+++ b/src/mem/ruby/filters/MultiGrainBloomFilter.cc
@@ -54,21 +54,23 @@
void
MultiGrainBloomFilter::set(Addr addr)
{
- int i = hash(addr);
- assert(i < filter.size());
- assert(pageHash(addr) < pageFilter.size());
- filter[i] = 1;
- pageFilter[i] = 1;
+ const int index = hash(addr);
+ assert(index < filter.size());
+ filter[index] = 1;
+ const int page_index = pageHash(addr);
+ assert(page_index < pageFilter.size());
+ pageFilter[page_index] = 1;
}
int
MultiGrainBloomFilter::getCount(Addr addr) const
{
- int i = hash(addr);
- assert(i < filter.size());
- assert(pageHash(addr) < pageFilter.size());
- return filter[i] + pageFilter[i];
+ const int index = hash(addr);
+ const int page_index = pageHash(addr);
+ assert(index < filter.size());
+ assert(page_index < pageFilter.size());
+ return filter[index] + pageFilter[page_index];
}
int
