From 5972cba5674132abc2d4dcb5d77b1b3ebc4c952a Mon Sep 17 00:00:00 2001
From: Ved Shanbhogue <ved@rivosinc.com>
Date: Sun, 7 Jan 2024 12:20:31 -0600
Subject: [PATCH] Add unratified B extension

---
 CHANGELOG.md              | 3 +++
 riscv_config/__init__.py  | 2 +-
 riscv_config/constants.py | 2 +-
 setup.cfg                 | 2 +-
 4 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 76569e0..2408324 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,9 @@
 
 This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [3.16.3] - 2024-01-07
+  - Add B extension
+
 ## [3.16.0] - 2024-01-03
   - use the "hartX" naming for the merged dict
   - improve logging statements
diff --git a/riscv_config/__init__.py b/riscv_config/__init__.py
index dfbbd6a..73f4db6 100644
--- a/riscv_config/__init__.py
+++ b/riscv_config/__init__.py
@@ -1,4 +1,4 @@
 from pkgutil import extend_path
 __path__ = extend_path(__path__, __name__)
-__version__ = '3.16.0'
+__version__ = '3.16.3'
 
diff --git a/riscv_config/constants.py b/riscv_config/constants.py
index ab410aa..e570b85 100644
--- a/riscv_config/constants.py
+++ b/riscv_config/constants.py
@@ -38,4 +38,4 @@
 sub_extensions = Z_extensions + S_extensions
 
 isa_regex = \
-        re.compile("^RV(32|64|128)[IE][ACDFGHJLMNPQSTUV]*(("+'|'.join(sub_extensions)+")(_("+'|'.join(sub_extensions)+"))*){,1}(X[a-z0-9]*)*(_X[a-z0-9]*)*$")
+        re.compile("^RV(32|64|128)[IE][ABCDFGHJLMNPQSTUV]*(("+'|'.join(sub_extensions)+")(_("+'|'.join(sub_extensions)+"))*){,1}(X[a-z0-9]*)*(_X[a-z0-9]*)*$")
diff --git a/setup.cfg b/setup.cfg
index 24483d1..18514d0 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 3.16.0
+current_version = 3.16.3
 commit = True
 tag = True