cpu: Work around gcc 4.9 issues with Num_OpClasses

This patch fixes a recent issue with gcc 4.9 (and possibly more) being
convinced that indices outside the array bounds are used when
initialising the FUPool members.

1 files changed, 2 insertions, 4 deletions

diff --git a/src/cpu/o3/fu_pool.cc b/src/cpu/o3/fu_pool.cc
index dab7dbed2..b99eeab69 100644
--- a/src/cpu/o3/fu_pool.cc
+++ b/src/cpu/o3/fu_pool.cc
@@ -87,10 +87,8 @@ FUPool::FUPool(const Params *p)
 
     funcUnits.clear();
 
-    for (int i = 0; i < Num_OpClasses; ++i) {
-        maxOpLatencies[i] = Cycles(0);
-        pipelined[i] = true;
-    }
+    maxOpLatencies.fill(Cycles(0));
+    pipelined.fill(true);
 
     //
     //  Iterate through the list of FUDescData structures