From 0c205a13ee4e98f0d52ff7e08377d332ed22a576 Mon Sep 17 00:00:00 2001
From: wangkaifan <wangkaifan@ict.ac.cn>
Date: Sat, 23 Jan 2021 17:03:59 +0800
Subject: [PATCH] difftest: add macro to demand store-diff or not

---
 src/test/csrc/emu.cpp | 2 ++
 src/test/csrc/emu.h   | 1 +
 2 files changed, 3 insertions(+)

diff --git a/src/test/csrc/emu.cpp b/src/test/csrc/emu.cpp
index 9b922ed63..ec7f5f9bf 100644
--- a/src/test/csrc/emu.cpp
+++ b/src/test/csrc/emu.cpp
@@ -363,6 +363,7 @@ uint64_t Emulator::execute(uint64_t max_cycle, uint64_t max_instr) {
       max_instr -= diff.commit;
     }
 
+#ifdef DIFFTEST_STORE_COMMIT
     if (dut_ptr->io_difftest_storeCommit) {
       read_store_info(diff.store_addr, diff.store_data, diff.store_mask);
 
@@ -381,6 +382,7 @@ uint64_t Emulator::execute(uint64_t max_cycle, uint64_t max_instr) {
         }
       }
     }
+#endif
 
     uint32_t t = uptime();
     if (t - lasttime_poll > 100) {
diff --git a/src/test/csrc/emu.h b/src/test/csrc/emu.h
index 8f2fed108..7a40d617d 100644
--- a/src/test/csrc/emu.h
+++ b/src/test/csrc/emu.h
@@ -7,6 +7,7 @@
 #include <verilated_vcd_c.h>	// Trace file format header
 
 #define SNAPSHOT_INTERVAL 60 // unit: second
+// #define DIFFTEST_STORE_COMMIT
 
 struct EmuArgs {
   uint32_t seed;
-- 
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