diff options
Diffstat (limited to 'src/cpu/o3/lsq_unit_impl.hh')
| -rw-r--r-- | src/cpu/o3/lsq_unit_impl.hh | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/src/cpu/o3/lsq_unit_impl.hh b/src/cpu/o3/lsq_unit_impl.hh index 547800b4c..e6bb560af 100644 --- a/src/cpu/o3/lsq_unit_impl.hh +++ b/src/cpu/o3/lsq_unit_impl.hh @@ -1,6 +1,7 @@ /* * Copyright (c) 2010-2013 ARM Limited + * Copyright (c) 2013 Advanced Micro Devices, Inc. * All rights reserved * * The license below extends only to copyright in the software and shall @@ -414,21 +415,26 @@ LSQUnit<Impl>::getMemDepViolator() template <class Impl> unsigned -LSQUnit<Impl>::numFreeEntries() +LSQUnit<Impl>::numFreeLoadEntries() { - unsigned free_lq_entries = LQEntries - loads; - unsigned free_sq_entries = SQEntries - stores; - - // Both the LQ and SQ entries have an extra dummy entry to differentiate - // empty/full conditions. Subtract 1 from the free entries. - if (free_lq_entries < free_sq_entries) { - return free_lq_entries - 1; - } else { - return free_sq_entries - 1; - } + //LQ has an extra dummy entry to differentiate + //empty/full conditions. Subtract 1 from the free entries. + DPRINTF(LSQUnit, "LQ size: %d, #loads occupied: %d\n", LQEntries, loads); + return LQEntries - loads - 1; } template <class Impl> +unsigned +LSQUnit<Impl>::numFreeStoreEntries() +{ + //SQ has an extra dummy entry to differentiate + //empty/full conditions. Subtract 1 from the free entries. + DPRINTF(LSQUnit, "SQ size: %d, #stores occupied: %d\n", SQEntries, stores); + return SQEntries - stores - 1; + + } + +template <class Impl> void LSQUnit<Impl>::checkSnoop(PacketPtr pkt) { |