From b876860c6214d03279e79e0babb7eb4e3e286cbd Mon Sep 17 00:00:00 2001
From: Eric Curtin <ecurtin@redhat.com>
Date: Wed, 30 Jul 2025 14:22:00 +0100
Subject: [PATCH] [Hardware][CPU] Build fix for ARM without BF16 (#21848)

Signed-off-by: Eric Curtin <ecurtin@redhat.com>
---
 csrc/cpu/quant.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/csrc/cpu/quant.cpp b/csrc/cpu/quant.cpp
index c1f7c64ea2f49..6e120b8d20a7e 100644
--- a/csrc/cpu/quant.cpp
+++ b/csrc/cpu/quant.cpp
@@ -16,12 +16,14 @@ struct KernelVecType<float> {
   using cvt_vec_type = vec_op::FP32Vec16;
 };
 
+#if !defined(__aarch64__) || defined(ARM_BF16_SUPPORT)
 template <>
 struct KernelVecType<c10::BFloat16> {
   using load_vec_type = vec_op::BF16Vec16;
   using azp_adj_load_vec_type = vec_op::INT32Vec16;
   using cvt_vec_type = vec_op::FP32Vec16;
 };
+#endif
 
 template <>
 struct KernelVecType<c10::Half> {