From 61319f97a003d653512bba1c6714e8f3924be2d1 Mon Sep 17 00:00:00 2001
From: Matthew Thompson <matthew.thompson@nasa.gov>
Date: Wed, 4 Jan 2023 09:33:18 -0500
Subject: [PATCH] Add AMD Milan Support

---
 CHANGELOG.md                     | 6 ++++++
 compiler/flags/GNU_Fortran.cmake | 6 +++++-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index f5a9709..65b7bb7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
+## [3.25.0] - 2023-01-04
+
+### Added
+
+- Added detection of AMD Milan chips for GNU flags
+
 ## [3.24.0] - 2023-01-03
 
 ### Changed
diff --git a/compiler/flags/GNU_Fortran.cmake b/compiler/flags/GNU_Fortran.cmake
index 9140d49..d362ebd 100644
--- a/compiler/flags/GNU_Fortran.cmake
+++ b/compiler/flags/GNU_Fortran.cmake
@@ -127,7 +127,11 @@ elseif (${proc_description} MATCHES "Apple M")
     set (PREFER_AVX128 "-mprefer-avx128")
     set (NO_FMA "-mno-fma")
   endif ()
-elseif (${proc_description} MATCHES "EPYC")
+elseif (${proc_description} MATCHES "EPYC 7..3")
+  set (GNU_TARGET_ARCH "znver3")
+  set (GNU_NATIVE_ARCH "native")
+  set (NO_FMA "-mno-fma")
+elseif (${proc_description} MATCHES "EPYC 7..2")
   set (GNU_TARGET_ARCH "znver2")
   set (GNU_NATIVE_ARCH "native")
   set (NO_FMA "-mno-fma")