From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Tue, 5 Jul 2022 17:21:55 +0000 (+0100)
Subject: add "*%" and "*" vector-numbering convention
X-Git-Tag: sv_maxu_works-initial~298
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7bcec293f2761bed16e9f1fddf4469c7398cb32b;p=openpower-isa.git

add "*%" and "*" vector-numbering convention
https://bugs.libre-soc.org/show_bug.cgi?id=884#c0
---

diff --git a/src/openpower/sv/trans/svp64.py b/src/openpower/sv/trans/svp64.py
index 9efcf1c9..7a53ea05 100644
--- a/src/openpower/sv/trans/svp64.py
+++ b/src/openpower/sv/trans/svp64.py
@@ -470,6 +470,11 @@ def decode_reg(field):
     # decode the field number. "5.v" or "3.s" or "9"
     # and now also "*0", and "*%0".  note: *NOT* to add "*%rNNN" etc.
     # https://bugs.libre-soc.org/show_bug.cgi?id=884#c0
+    if field.startswith("*%"):
+        return "vector", int(field[2:])  # actual register number
+    if field.startswith("*"):
+        return "vector", int(field[1:])  # actual register number
+    # try old convention (to be retired)
     field = field.split(".")
     regmode = 'scalar'  # default
     if len(field) == 2: