From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Thu, 24 Jun 2021 11:47:45 +0000 (+0100)
Subject: add comment about perfcounters
X-Git-Tag: xlen-bcd~398
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=363140bf6b6a8de6decc9a624570ec60687bfcb0;p=openpower-isa.git

add comment about perfcounters
---

diff --git a/src/openpower/decoder/power_decoder2.py b/src/openpower/decoder/power_decoder2.py
index 2b09a35c..81279ca5 100644
--- a/src/openpower/decoder/power_decoder2.py
+++ b/src/openpower/decoder/power_decoder2.py
@@ -1423,7 +1423,8 @@ class PowerDecode2(PowerDecodeSubset):
             comb += e_out.read_fast3.data.eq(FastRegsEnum.SVSRR0)  # SVSRR0
             comb += e_out.read_fast3.ok.eq(1)
 
-        # annoying simulator bug
+        # annoying simulator bug.
+        # asmcode may end up getting used for perfcounters?
         asmcode = self.op_get("asmcode")
         if hasattr(e_out, "asmcode") and asmcode is not None:
             comb += e_out.asmcode.eq(asmcode)