[difftest] fixed the issue in the VrfScoreboard where count=0 caused …

…a conflict with writing rd Signed-off-by: Clo91eaf <Clo91eaf@qq.com>
chipsalliance · Dec 27, 2024 · a13a6e0 · a13a6e0
1 parent 1f94f07
commit a13a6e0
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Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/difftest/offline_t1emu/src/json_events.rs b/difftest/offline_t1emu/src/json_events.rs
@@ -333,8 +333,8 @@ impl JsonEventRunner for SpikeRunner {
         se.vrf_access_record.retired_writes,
         se.describe_insn()
       );
-    } else {
-      panic!("[{cycle}] VrfScoreboard: cannot find se with instruction issue_idx={issue_idx}");
+    } else if count != 0 {
+      panic!("[{cycle}] VrfScoreboard: cannot find se with instruction issue_idx={issue_idx}, count={count}");
     }
 
     if let Some(issue_idx) = should_retire {

diff --git a/difftest/offline_t1rocketemu/src/json_events.rs b/difftest/offline_t1rocketemu/src/json_events.rs
@@ -504,8 +504,8 @@ impl JsonEventRunner for SpikeRunner {
         se.vrf_access_record.retired_writes,
         se.describe_insn()
       );
-    } else {
-      panic!("[{cycle}] VrfScoreboard: cannot find se with instruction issue_idx={issue_idx}");
+    } else if count != 0 {
+      panic!("[{cycle}] VrfScoreboard: cannot find se with instruction issue_idx={issue_idx}, count={count}");
     }
 
     if let Some(issue_idx) = should_retire {