scons: Enable -Wextra by default

Make best use of the compiler, and enable -Wextra as well as
-Wall. There are a few issues that had to be resolved, but they are
all trivial.

1 files changed, 5 insertions, 5 deletions

diff --git a/src/mem/ruby/structures/RubyMemoryControl.cc b/src/mem/ruby/structures/RubyMemoryControl.cc
index 5feb9348b..77f1c239f 100644
--- a/src/mem/ruby/structures/RubyMemoryControl.cc
+++ b/src/mem/ruby/structures/RubyMemoryControl.cc
@@ -342,7 +342,7 @@ RubyMemoryControl::enqueueToDirectory(MemoryNode *req, Cycles latency)
 
 // getBank returns an integer that is unique for each
 // bank across this memory controller.
-const int
+int
 RubyMemoryControl::getBank(const Addr addr) const
 {
     int dimm = (addr >> m_dimm_bit_0) & (m_dimms_per_channel - 1);
@@ -353,7 +353,7 @@ RubyMemoryControl::getBank(const Addr addr) const
         + bank;
 }
 
-const int
+int
 RubyMemoryControl::getRank(const Addr addr) const
 {
     int bank = getBank(addr);
@@ -364,7 +364,7 @@ RubyMemoryControl::getRank(const Addr addr) const
 
 // getRank returns an integer that is unique for each rank
 // and independent of individual bank.
-const int
+int
 RubyMemoryControl::getRank(int bank) const
 {
     int rank = (bank / m_banks_per_rank);
@@ -373,7 +373,7 @@ RubyMemoryControl::getRank(int bank) const
 }
 
 // Not used!
-const int
+int
 RubyMemoryControl::getChannel(const Addr addr) const
 {
     assert(false);
@@ -381,7 +381,7 @@ RubyMemoryControl::getChannel(const Addr addr) const
 }
 
 // Not used!
-const int
+int
 RubyMemoryControl::getRow(const Addr addr) const
 {
     assert(false);