From ea0ef98e7fd89f8dd9280f441bf72359f37dc613 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 0cb778ce391722c22c56d7be8f968d7dc654d169..dd9d0971482c93e05f76c5a13b7df024dc37c3db 100644
--- a/lib/std/zig/system/x86.zig
+++ b/lib/std/zig/system/x86.zig
@@ -465,6 +465,7 @@ fn detectNativeFeatures(cpu: *Target.Cpu, os_tag: Target.Os.Tag) 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 {
@@ -494,6 +495,7 @@ fn detectNativeFeatures(cpu: *Target.Cpu, os_tag: Target.Os.Tag) void {
                 .nf,
                 .cf,
                 .zu,
+                .jmpabs,
             }) |feat| {
                 setFeature(cpu, feat, false);
             }
@@ -579,6 +581,7 @@ fn detectNativeFeatures(cpu: *Target.Cpu, os_tag: Target.Os.Tag) void {
             .nf,
             .cf,
             .zu,
+            .jmpabs,
         }) |feat| {
             setFeature(cpu, feat, false);
         }
-- 
2.54.0