From 4644d2821357eb7e2eb53264c0084cf0f11ea538 Mon Sep 17 00:00:00 2001
From: Yibo Cai <yibo.cai@arm.com>
Date: Fri, 10 Apr 2026 09:58:07 +0800
Subject: [PATCH] [sgl-kernel/cpu] fix build error on non-x86 platform (#22245)

Co-authored-by: Ma Mingfei <mingfei.ma@intel.com>
---
 sgl-kernel/csrc/cpu/gemm_int4.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sgl-kernel/csrc/cpu/gemm_int4.cpp b/sgl-kernel/csrc/cpu/gemm_int4.cpp
index e541f1bfc..e2da063a0 100644
--- a/sgl-kernel/csrc/cpu/gemm_int4.cpp
+++ b/sgl-kernel/csrc/cpu/gemm_int4.cpp
@@ -19,11 +19,11 @@ struct ActDtype<false> {
   using type = uint8_t;
 };
 
+#if defined(CPU_CAPABILITY_AVX512)
 struct alignas(32) m256i_wrapper {
   __m256i data;
 };
 
-#if defined(CPU_CAPABILITY_AVX512)
 inline std::array<m256i_wrapper, 2> load_zps_4vnni(const int8_t* __restrict__ zps) {
   // broadcast 01234567 to
   // 01234567012345670123456701234567