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, 4 insertions, 2 deletions

diff --git a/src/dev/sparc/iob.cc b/src/dev/sparc/iob.cc
index c8462b9be..55cb93f37 100644
--- a/src/dev/sparc/iob.cc
+++ b/src/dev/sparc/iob.cc
@@ -91,7 +91,8 @@ Iob::readIob(PacketPtr pkt)
 {
         Addr accessAddr = pkt->getAddr() - iobManAddr;
 
-        if (accessAddr >= IntManAddr && accessAddr < IntManAddr + IntManSize) {
+        assert(IntManAddr == 0);
+        if (accessAddr < IntManAddr + IntManSize) {
             int index = (accessAddr - IntManAddr) >> 3;
             uint64_t data = intMan[index].cpu << 8 | intMan[index].vector << 0;
             pkt->set(data);
@@ -186,7 +187,8 @@ Iob::writeIob(PacketPtr pkt)
         int index;
         uint64_t data;
 
-        if (accessAddr >= IntManAddr && accessAddr < IntManAddr + IntManSize) {
+        assert(IntManAddr == 0);
+        if (accessAddr < IntManAddr + IntManSize) {
             index = (accessAddr - IntManAddr) >> 3;
             data = pkt->get<uint64_t>();
             intMan[index].cpu = bits(data,12,8);