https://bugs.gentoo.org/964049
https://github.com/OpenMathLib/OpenBLAS/issues/5635
https://github.com/OpenMathLib/OpenBLAS/pull/5636

From 0ae18524cd536c82f456e0505734a68920f5612d Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Thu, 5 Feb 2026 20:18:46 +0100
Subject: [PATCH] Add Arrow Lake H/U

---
 cpuid_x86.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/cpuid_x86.c b/cpuid_x86.c
index 13fc3605d0..2e2bb23b08 100644
--- a/cpuid_x86.c
+++ b/cpuid_x86.c
@@ -1563,6 +1563,7 @@ int get_cpuname(void){
         break;
       case 11: //family 6 exmodel 11
         switch (model) {
+		  case 5: // Arrow Lake H/U
           case 7: // Raptor Lake
           case 10:
           case 15:
@@ -1588,6 +1589,7 @@ int get_cpuname(void){
             break;
 	  case 15:
 	  case 6: // Arrow Lake
+	  case 5:
 	    if(support_avx512())
               return CPUTYPE_SAPPHIRERAPIDS;
             if(support_avx2())
@@ -2418,6 +2420,7 @@ int get_coretype(void){
 
       case 11:
 	switch (model) {
+	  case 5: // Arrow Lake H/U
 	  case 7: // Raptor Lake
           case 10:
           case 15:
@@ -2434,6 +2437,7 @@ int get_coretype(void){
 	}
       case 12:
 	switch (model) {
+	  case 5:
 	  case 6: // Arrow Lake
 	  if(support_amx_bf16())
 	    return CORE_SAPPHIRERAPIDS;