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path: root/cpu/beta_cpu/2bit_local_pred.cc
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Diffstat (limited to 'cpu/beta_cpu/2bit_local_pred.cc')
-rw-r--r--cpu/beta_cpu/2bit_local_pred.cc35
1 files changed, 4 insertions, 31 deletions
diff --git a/cpu/beta_cpu/2bit_local_pred.cc b/cpu/beta_cpu/2bit_local_pred.cc
index ef7f23d49..e5bf9647f 100644
--- a/cpu/beta_cpu/2bit_local_pred.cc
+++ b/cpu/beta_cpu/2bit_local_pred.cc
@@ -1,36 +1,6 @@
#include "base/trace.hh"
#include "cpu/beta_cpu/2bit_local_pred.hh"
-DefaultBP::SatCounter::SatCounter(unsigned bits)
- : maxVal((1 << bits) - 1), counter(0)
-{
-}
-
-DefaultBP::SatCounter::SatCounter(unsigned bits, unsigned initial_val)
- : maxVal((1 << bits) - 1), counter(initial_val)
-{
- // Check to make sure initial value doesn't exceed the max counter value.
- if (initial_val > maxVal) {
- panic("BP: Initial counter value exceeds max size.");
- }
-}
-
-void
-DefaultBP::SatCounter::increment()
-{
- if(counter < maxVal) {
- ++counter;
- }
-}
-
-void
-DefaultBP::SatCounter::decrement()
-{
- if(counter > 0) {
- --counter;
- }
-}
-
DefaultBP::DefaultBP(unsigned _localPredictorSize,
unsigned _localCtrBits,
unsigned _instShiftAmt)
@@ -46,7 +16,10 @@ DefaultBP::DefaultBP(unsigned _localPredictorSize,
DPRINTF(Fetch, "Branch predictor: index mask: %#x\n", indexMask);
// Setup the array of counters for the local predictor.
- localCtrs = new SatCounter[localPredictorSize](localCtrBits);
+ localCtrs = new SatCounter[localPredictorSize];
+
+ for (int i = 0; i < localPredictorSize; ++i)
+ localCtrs[i].setBits(_localCtrBits);
DPRINTF(Fetch, "Branch predictor: local predictor size: %i\n",
localPredictorSize);