From c46a8e0d2c79e59e21ee207e849f8c4481cdd13d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alex=20R=C3=B8nne=20Petersen?= <alex@alexrp.com>
Date: Tue, 20 Jan 2026 23:15:44 +0100
Subject: [PATCH] std.zig.system.x86: detect Diamonds Rapids, Wildcat Lake, and
 Nova Lake

---
 lib/std/zig/system/x86.zig | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/lib/std/zig/system/x86.zig b/lib/std/zig/system/x86.zig
index 91529b8168..66d8034c4f 100644
--- a/lib/std/zig/system/x86.zig
+++ b/lib/std/zig/system/x86.zig
@@ -232,7 +232,7 @@ fn detectIntelProcessor(cpu: *Target.Cpu, family: u32, model: u32, brand_id: u32
                     cpu.model = &Target.x86.cpu.lunarlake;
                     return;
                 },
-                0xcc => {
+                0xcc, 0xd5 => {
                     cpu.model = &Target.x86.cpu.pantherlake;
                     return;
                 },
@@ -307,6 +307,20 @@ fn detectIntelProcessor(cpu: *Target.Cpu, family: u32, model: u32, brand_id: u32
             cpu.model = &Target.x86.cpu.pentium4;
             return;
         },
+        18 => switch (model) {
+            0x01, 0x03 => {
+                cpu.model = &Target.x86.cpu.novalake;
+                return;
+            },
+            else => return, // Unknown CPU Model
+        },
+        19 => switch (model) {
+            0x01 => {
+                cpu.model = &Target.x86.cpu.diamondrapids;
+                return;
+            },
+            else => return, // Unknown CPU Model
+        },
         else => return, // Unknown CPU Model
     }
 }