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**