From 4b90a8e967d1a0492cce9a6a877fdae915daff60 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alex=20R=C3=B8nne=20Petersen?= <alex@alexrp.com>
Date: Mon, 3 Aug 2026 21:28:51 +0200
Subject: [PATCH] std.zig.system.x86: add jmpabs detection

---
 lib/std/zig/system/x86.zig | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/std/zig/system/x86.zig b/lib/std/zig/system/x86.zig
index 56e9a375738d9c47805e62b8e102d1e907f49d13..79bfa076fb9f86ecea538a87f8b9b7740e29559f 100644
--- a/lib/std/zig/system/x86.zig
+++ b/lib/std/zig/system/x86.zig
@@ -464,6 +464,7 @@ fn detectNativeFeatures(cpu: *Target.Cpu) void {
             setFeature(cpu, .nf, bit(leaf.edx, 21) and has_apx_save);
             setFeature(cpu, .cf, bit(leaf.edx, 21) and has_apx_save);
             setFeature(cpu, .zu, bit(leaf.edx, 21) and has_apx_save);
+            setFeature(cpu, .jmpabs, bit(leaf.edx, 21) and has_apx_save);
 
             break :has_avx10 bit(leaf.edx, 19);
         } else {
@@ -493,6 +494,7 @@ fn detectNativeFeatures(cpu: *Target.Cpu) void {
                 .nf,
                 .cf,
                 .zu,
+                .jmpabs,
             }) |feat| {
                 setFeature(cpu, feat, false);
             }
@@ -578,6 +580,7 @@ fn detectNativeFeatures(cpu: *Target.Cpu) void {
             .nf,
             .cf,
             .zu,
+            .jmpabs,
         }) |feat| {
             setFeature(cpu, feat, false);
         }
-- 
2.54.0