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From 7ef16220caaa82f7a90047c8c9b5ff2eeb15b9ce Mon Sep 17 00:00:00 2001
From: Tim Orling <tim.orling@konsulko.com>
Date: Thu, 29 Jan 2026 10:22:31 -0800
Subject: [PATCH 2/2] Guard x86 feature detection macro in pystrref/object.rs
The std::is_x86_feature_detected! macro only works on x86/x86_64
targets. This patch wraps the feature detection and AVX-512 code path
with cfg guards to allow compilation on non-x86 architectures.
On non-x86 targets, the code will fall through to the generic
implementation instead of attempting AVX-512 optimizations.
Upstream-Status: Inappropriate [Rejected by upstream https://github.com/ijl/orjson/pull/609]
Signed-off-by: Tim Orling <tim.orling@konsulko.com>
---
src/ffi/pystrref/object.rs | 1 +
1 file changed, 1 insertion(+)
diff --git a/src/ffi/pystrref/object.rs b/src/ffi/pystrref/object.rs
index 9ef12eb..7c2c046 100644
--- a/src/ffi/pystrref/object.rs
+++ b/src/ffi/pystrref/object.rs
@@ -29,6 +29,7 @@ static mut STR_CREATE_FN: StrDeserializer = super::scalar::str_impl_kind_scalar;
pub fn set_str_create_fn() {
unsafe {
+ #[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
#[cfg(all(CPython, feature = "avx512"))]
if std::is_x86_feature_detected!("avx512vl") {
STR_CREATE_FN = super::avx512::create_str_impl_avx512vl;
--
2.39.5
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