initial support ZEN 4

README.rst

@@ -100,7 +100,7 @@ The usage of OSACA can be listed as:
   shows the program’s version number.
 --arch ARCH
   needs to be replaced with the target architecture abbreviation.
-  Possible options are ``SNB``, ``IVB``, ``HSW``, ``BDW``, ``SKX``, ``CSX``, ``ICL`` (Client), ``ICX`` (Server), ``SPR`` for the latest Intel micro architectures starting from Intel Sandy Bridge and ``ZEN1``, ``ZEN2``, and ``ZEN3`` for AMD Zen architectures.
+  Possible options are ``SNB``, ``IVB``, ``HSW``, ``BDW``, ``SKX``, ``CSX``, ``ICL`` (Client), ``ICX`` (Server), ``SPR`` for the latest Intel micro architectures starting from Intel Sandy Bridge and ``ZEN[1-4]`` for AMD Zen architectures.
   Furthermore, ``TX2`` for Marvell`s ARM-based ThunderX2 , ``N1`` for ARM's Neoverse, ``A72`` for ARM Cortex-A72, ``TSV110`` for the HiSilicon TaiShan v110, ``A64FX`` for Fujitsu's HPC ARM architecture, ``M1`` for the Apple M1-Firestorm performance core, and ``V2`` for the Neoverse V2 (used in NVIDIA's Grace CPU) are available.
   If no micro-architecture is given, OSACA assumes a default architecture for x86/AArch64.
 --fixed
@@ -169,6 +169,8 @@ Supported microarchitectures
 +----------+-----------------+------------+
 | AMD      | Milan / Zen 3   | ``ZEN3``   |
 +----------+-----------------+------------+
+| AMD      | Genoa / Zen 4   | ``ZEN4``   |
++----------+-----------------+------------+
 
 **ARM AArch64 CPUs**
 

osaca/osaca.py

@@ -34,6 +34,7 @@ SUPPORTED_ARCHS = [
     "ZEN1",
     "ZEN2",
     "ZEN3",
+    "ZEN4",
     "TX2",
     "N1",
     "A64FX",
@@ -104,8 +105,8 @@ def create_parser(parser=None):
         "--arch",
         type=str,
         help="Define architecture (SNB, IVB, HSW, BDW, SKX, CSX, ICL, ICX, SPR, ZEN1, ZEN2, ZEN3, "
-        "TX2, N1, A64FX, TSV110, A72, M1, V2). If no architecture is given, OSACA assumes a default uarch for "
-        "x86/AArch64.",
+        "ZEN4, TX2, N1, A64FX, TSV110, A72, M1, V2). If no architecture is given, OSACA assumes a "
+        "default uarch for x86/AArch64.",
     )
     parser.add_argument(
         "--fixed",

osaca/semantics/hw_model.py

@@ -444,6 +444,7 @@ class MachineModel(object):
             "zen+": "x86",
             "zen2": "x86",
             "zen3": "x86",
+            "zen4": "x86",
             "con": "x86",  # Intel Conroe
             "wol": "x86",  # Intel Wolfdale
             "snb": "x86",