diff --git a/graphics/blender/files/patch-source_blender_blenlib_intern_math__half.cc b/graphics/blender/files/patch-source_blender_blenlib_intern_math__half.cc
new file mode 100644
index 000000000000..ace897f9d110
--- /dev/null
+++ b/graphics/blender/files/patch-source_blender_blenlib_intern_math__half.cc
@@ -0,0 +1,11 @@
+--- source/blender/blenlib/intern/math_half.cc.orig	2026-05-16 23:53:32 UTC
++++ source/blender/blenlib/intern/math_half.cc
+@@ -271,7 +271,7 @@ void blender::math::float_to_half_array(const float *s
+   }
+ }
+ 
+-#ifndef __SSE4_1__
++#if !defined(__SSE4_1__) && (defined(__x86_64__) || defined(_M_X64))
+ static inline __m128i srai_epi8_sse2(__m128i x, int imm)
+ {
+     // Sign-extend bytes to 16-bit