From 199d299ce5291a5740a567f0f91784d9c754215a Mon Sep 17 00:00:00 2001
From: Mykola Hohsadze <koliagogsadze@gmail.com>
Date: Tue, 5 Sep 2023 15:13:27 +0300
Subject: [PATCH] Add ZEN4 Phoenix detection (#328)

---
 src/impl_x86__base_implementation.inl |  1 +
 test/cpuinfo_x86_test.cc              | 15 +++++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/src/impl_x86__base_implementation.inl b/src/impl_x86__base_implementation.inl
index a7faad3..e7705f3 100644
--- a/src/impl_x86__base_implementation.inl
+++ b/src/impl_x86__base_implementation.inl
@@ -834,6 +834,7 @@ X86Microarchitecture GetX86Microarchitecture(const X86Info* info) {
         return AMD_ZEN3;
       case CPUID(0x19, 0x10):
       case CPUID(0x19, 0x61):
+      case CPUID(0x19, 0x74):
         // https://en.wikichip.org/wiki/amd/microarchitectures/zen_4
         return AMD_ZEN4;
       default:
diff --git a/test/cpuinfo_x86_test.cc b/test/cpuinfo_x86_test.cc
index c9469a7..00f0251 100644
--- a/test/cpuinfo_x86_test.cc
+++ b/test/cpuinfo_x86_test.cc
@@ -909,6 +909,21 @@ TEST_F(CpuidX86Test, AMD_K19_ZEN4_RAPHAEL) {
   EXPECT_EQ(GetX86Microarchitecture(&info), X86Microarchitecture::AMD_ZEN4);
 }
 
+// http://users.atw.hu/instlatx64/AuthenticAMD/AuthenticAMD0A70F41_K19_Phoenix_03_CPUID.txt
+TEST_F(CpuidX86Test, AMD_K19_ZEN4_PHOENIX) {
+  cpu().SetLeaves({
+      {{0x00000000, 0}, Leaf{0x00000010, 0x68747541, 0x444D4163, 0x69746E65}},
+      {{0x00000001, 0}, Leaf{0x00A70F41, 0x00100800, 0x7EF8320B, 0x178BFBFF}},
+      {{0x80000000, 0}, Leaf{0x80000028, 0x68747541, 0x444D4163, 0x69746E65}},
+      {{0x80000001, 0}, Leaf{0x00A70F41, 0x50000000, 0x75C237FF, 0x2FD3FBFF}},
+  });
+  const auto info = GetX86Info();
+
+  EXPECT_STREQ(info.vendor, CPU_FEATURES_VENDOR_AUTHENTIC_AMD);
+  EXPECT_EQ(info.family, 0x19);
+  EXPECT_EQ(info.model, 0x74);
+}
+
 // http://users.atw.hu/instlatx64/HygonGenuine/HygonGenuine0900F11_Hygon_01_CPUID.txt
 TEST_F(CpuidX86Test, AMD_K18_ZEN_DHYANA_OCTAL_CORE_C86_3250) {
   cpu().SetLeaves({