diff options
Diffstat (limited to 'src/cpu/o3/dep_graph.hh')
| -rw-r--r-- | src/cpu/o3/dep_graph.hh | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/src/cpu/o3/dep_graph.hh b/src/cpu/o3/dep_graph.hh index 804b3f9cd..41ab6e94f 100644 --- a/src/cpu/o3/dep_graph.hh +++ b/src/cpu/o3/dep_graph.hh @@ -1,4 +1,16 @@ /* + * Copyright (c) 2012 ARM Limited + * All rights reserved + * + * The license below extends only to copyright in the software and shall + * not be construed as granting a license to any other intellectual + * property including but not limited to intellectual property relating + * to a hardware implementation of the functionality of the software + * licensed hereunder. You may use the software subject to the license + * terms below provided that you ensure that this notice is replicated + * unmodified and in its entirety in all distributions of the software, + * modified or unmodified, in source code or in binary form. + * * Copyright (c) 2006 The Regents of The University of Michigan * All rights reserved. * @@ -93,8 +105,11 @@ class DependencyGraph /** Removes and returns the newest dependent of a specific register. */ DynInstPtr pop(PhysRegIndex idx); + /** Checks if the entire dependency graph is empty. */ + bool empty() const; + /** Checks if there are any dependents on a specific register. */ - bool empty(PhysRegIndex idx) { return !dependGraph[idx].next; } + bool empty(PhysRegIndex idx) const { return !dependGraph[idx].next; } /** Debugging function to dump out the dependency graph. */ @@ -241,6 +256,17 @@ DependencyGraph<DynInstPtr>::pop(PhysRegIndex idx) } template <class DynInstPtr> +bool +DependencyGraph<DynInstPtr>::empty() const +{ + for (int i = 0; i < numEntries; ++i) { + if (!empty(i)) + return false; + } + return true; +} + +template <class DynInstPtr> void DependencyGraph<DynInstPtr>::dump() { |