Fixed error with PairwiseAdd128/PairwiseSub128 on SSE2 target

cambridgeconsultants · Jan 31, 2025 · 61804b1 · 61804b1
1 parent ed95fe6
commit 61804b1
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/hwy/ops/x86_128-inl.h b/hwy/ops/x86_128-inl.h
@@ -3914,6 +3914,8 @@ HWY_API Vec128<double> AddSub(Vec128<double> a, Vec128<double> b) {
 // Need to use the default implementation of PairwiseAdd128/PairwiseSub128 in
 // generic_ops-inl.h for U8/I8/F16/I64/U64 vectors and 64-byte vectors
 
+#if HWY_TARGET <= HWY_SSSE3
+
 #undef HWY_IF_PAIRWISE_ADD_128_D
 #undef HWY_IF_PAIRWISE_SUB_128_D
 #define HWY_IF_PAIRWISE_ADD_128_D(D)                                       \
@@ -3963,6 +3965,8 @@ HWY_API VFromD<D> PairwiseSub128(D /*d*/, VFromD<D> a, VFromD<D> b) {
   return Neg(VFromD<D>{_mm_hsub_pd(a.raw, b.raw)});
 }
 
+#endif  // HWY_TARGET <= HWY_SSSE3
+
 // ------------------------------ SumsOf8
 template <size_t N>
 HWY_API Vec128<uint64_t, N / 8> SumsOf8(const Vec128<uint8_t, N> v) {