WIP

serge-sans-paille · serge-sans-paille · commit 69278a007e86 · 2025-07-11T19:59:05.000+02:00
diff --git a/include/xsimd/arch/xsimd_neon.hpp b/include/xsimd/arch/xsimd_neon.hpp
@@ -1061,9 +1061,13 @@ namespace xsimd
         template <class A, class T, detail::enable_sized_unsigned_t<T, 8> = 0>
         XSIMD_INLINE batch_bool<T, A> gt(batch<T, A> const& lhs, batch<T, A> const& rhs, requires_arch<neon>) noexcept
         {
+#if 0
             using register_type = typename batch<T, A>::register_type;
             register_type acc = { 0x8FFFFFFFFFFFFFFFull, 0x8FFFFFFFFFFFFFFFull };
             return batch_bool<T, A>(vreinterpretq_u64_s64(detail::bitwise_not_s64(vshrq_n_s64(vreinterpretq_s64_u64(vqaddq_u64(vqsubq_u64(register_type(rhs), register_type(lhs)), acc)), 63))));
+#else
+            return batch_bool<T, A>({ lhs.get(0) > rhs.get(0), lhs.get(1) > rhs.get(1) });
+#endif
         }
 
         /******

Original file line number	Diff line number	Diff line change
`@@ -1061,9 +1061,13 @@ namespace xsimd`
`1061`	`1061`	`template <class A, class T, detail::enable_sized_unsigned_t<T, 8> = 0>`
`1062`	`1062`	`XSIMD_INLINE batch_bool<T, A> gt(batch<T, A> const& lhs, batch<T, A> const& rhs, requires_arch<neon>) noexcept`
`1063`	`1063`	`{`
	`1064`	`+#if 0`
`1064`	`1065`	`using register_type = typename batch<T, A>::register_type;`
`1065`	`1066`	`register_type acc = { 0x8FFFFFFFFFFFFFFFull, 0x8FFFFFFFFFFFFFFFull };`
`1066`	`1067`	`return batch_bool<T, A>(vreinterpretq_u64_s64(detail::bitwise_not_s64(vshrq_n_s64(vreinterpretq_s64_u64(vqaddq_u64(vqsubq_u64(register_type(rhs), register_type(lhs)), acc)), 63))));`
	`1068`	`+#else`
	`1069`	`+ return batch_bool<T, A>({ lhs.get(0) > rhs.get(0), lhs.get(1) > rhs.get(1) });`
	`1070`	`+#endif`
`1067`	`1071`	`}`
`1068`	`1072`
`1069`	`1073`	`/******`