From 498d0e63e587f7e852483a192ecd37e7af57f8d7 Mon Sep 17 00:00:00 2001
From: Alexandru Dutu <alexandru.dutu@amd.com>
Date: Fri, 16 Sep 2016 12:30:05 -0400
Subject: [PATCH] gpu-compute: Adding vector register file debug messages This
 patch introduces DPRINTFs for reading and writing to and from the vector
 register file.

---
 src/gpu-compute/SConscript              | 4 +++-
 src/gpu-compute/vector_register_file.hh | 3 +++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/gpu-compute/SConscript b/src/gpu-compute/SConscript
index 2de96df24..88c1cf036 100644
--- a/src/gpu-compute/SConscript
+++ b/src/gpu-compute/SConscript
@@ -89,6 +89,7 @@ DebugFlag('GPUPrefetch')
 DebugFlag('GPUReg')
 DebugFlag('GPUSync')
 DebugFlag('GPUTLB')
+DebugFlag('GPUVRF')
 DebugFlag('HSALoader')
 DebugFlag('HSAIL')
 DebugFlag('HSAILObject')
@@ -96,4 +97,5 @@ DebugFlag('Predictor')
 DebugFlag('WavefrontStack')
 
 CompoundFlag('GPUALL', ['GPUCoalescer', 'GPUDisp', 'GPUExec', 'GPUFetch',
-                        'GPUMem', 'GPUPort', 'GPUSync', 'GPUTLB', 'HSAIL'])
+                        'GPUMem', 'GPUPort', 'GPUSync', 'GPUTLB', 'HSAIL',
+                        'GPUVRF'])
diff --git a/src/gpu-compute/vector_register_file.hh b/src/gpu-compute/vector_register_file.hh
index 1cb011a1e..360b2fb3c 100644
--- a/src/gpu-compute/vector_register_file.hh
+++ b/src/gpu-compute/vector_register_file.hh
@@ -40,6 +40,7 @@
 
 #include "base/statistics.hh"
 #include "base/types.hh"
+#include "debug/GPUVRF.hh"
 #include "gpu-compute/vector_register_state.hh"
 #include "sim/sim_object.hh"
 
@@ -71,6 +72,7 @@ class VectorRegisterFile : public SimObject
     read(int regIdx, int threadId=0)
     {
         T p0 = vgprState->read<T>(regIdx, threadId);
+        DPRINTF(GPUVRF, "reading vreg[%d][%d] = %u\n", regIdx, threadId, (uint64_t)p0);
 
         return p0;
     }
@@ -80,6 +82,7 @@ class VectorRegisterFile : public SimObject
     void
     write(int regIdx, T value, int threadId=0)
     {
+        DPRINTF(GPUVRF, "writing vreg[%d][%d] = %u\n", regIdx, threadId, (uint64_t)value);
         vgprState->write<T>(regIdx, value, threadId);
     }