https://github.com/Netflix/vmaf/issues/1481

--- src/feature/integer_adm.c.orig	2026-04-02 18:41:56 UTC
+++ src/feature/integer_adm.c
@@ -2646,7 +2646,9 @@ static int init(VmafFeatureExtractor *fex, enum VmafPi
         s->i4_adm_csf = i4_adm_csf_avx2;
         s->i4_adm_cm = i4_adm_cm_avx2;
         s->adm_decouple = adm_decouple_avx2;
+#if ARCH_X86_64
         s->adm_decouple_s123 = adm_decouple_s123_avx2;
+#endif
     }
 #if HAVE_AVX512
     if (flags & VMAF_X86_CPU_FLAG_AVX512) {
@@ -2660,7 +2662,9 @@ static int init(VmafFeatureExtractor *fex, enum VmafPi
         s->i4_adm_csf = i4_adm_csf_avx512;
         s->i4_adm_cm = i4_adm_cm_avx512;
         s->adm_decouple = adm_decouple_avx512;
+#if ARCH_X86_64
         s->adm_decouple_s123 = adm_decouple_s123_avx512;
+#endif
     }
 #endif
 #elif ARCH_AARCH64
--- src/feature/x86/adm_avx2.c.orig	2026-04-02 18:41:56 UTC
+++ src/feature/x86/adm_avx2.c
@@ -16,6 +16,7 @@
  *
  */
 
+#include "config.h"
 #include "feature/integer_adm.h"
 #include <immintrin.h>
 
@@ -1352,6 +1353,7 @@ static inline __m256i sra_epi64(__m256i a, __m256i mas
     return _mm256_or_si256(rl_shift, signmask);
 }
 
+#if ARCH_X86_64
 // No lzcnt in avx2
 void adm_decouple_s123_avx2(AdmBuffer *buf, int w, int h, int stride,
                               double adm_enhn_gain_limit, int32_t* adm_div_lookup)
@@ -1879,6 +1881,7 @@ void adm_decouple_s123_avx2(AdmBuffer *buf, int w, int
         }
     }
 }
+#endif
 
 /*
  * lambda = 0 (finest scale), 1, 2, 3 (coarsest scale);
--- src/feature/x86/adm_avx512.c.orig	2026-04-02 18:41:56 UTC
+++ src/feature/x86/adm_avx512.c
@@ -16,6 +16,7 @@
  *
  */
 
+#include "config.h"
 #include "feature/integer_adm.h"
 #include "adm_avx512.h"
 #include <immintrin.h>
@@ -1115,6 +1116,7 @@ angle_flag = ((((float)ot_dp / 4096.0) >= 0.0f) && \
                     cos_1deg_sq * ((float)o_mag_sq / 4096.0) * ((float)t_mag_sq / 4096.0))); \
 } \
 
+#if ARCH_X86_64
 void adm_decouple_s123_avx512(AdmBuffer *buf, int w, int h, int stride,
                               double adm_enhn_gain_limit, int32_t* adm_div_lookup)
 {
@@ -1534,6 +1536,7 @@ void adm_decouple_s123_avx512(AdmBuffer *buf, int w, i
         }
     }
 }
+#endif