Try direct reinterpret in from_bool

Author: AntoinePrv

include/xsimd/arch/xsimd_neon.hpp

@@ -303,8 +303,7 @@ namespace xsimd
         template <class A, class T, detail::enable_sized_signed_t<T, 1> = 0>
         XSIMD_INLINE batch<T, A> from_bool(batch_bool<T, A> const& arg, requires_arch<neon>) noexcept
         {
-            auto const arg_int = wrap::x_vreinterpretq<int8_t, project_num_t<T>>(arg.data);
-            return vandq_s8(arg_int, vdupq_n_s8(1));
+            return vreinterpretq_s8_u8(vandq_u8(arg.data, vdupq_n_u8(1)));
         }
 
         template <class A, class T, detail::enable_sized_unsigned_t<T, 2> = 0>
@@ -316,8 +315,7 @@ namespace xsimd
         template <class A, class T, detail::enable_sized_signed_t<T, 2> = 0>
         XSIMD_INLINE batch<T, A> from_bool(batch_bool<T, A> const& arg, requires_arch<neon>) noexcept
         {
-            auto const arg_int = wrap::x_vreinterpretq<int16_t, project_num_t<T>>(arg.data);
-            return vandq_s16(arg_int, vdupq_n_s16(1));
+            return vreinterpretq_s16_u16(vandq_u16(arg.data, vdupq_n_u16(1)));
         }
 
         template <class A, class T, detail::enable_sized_unsigned_t<T, 4> = 0>
@@ -329,8 +327,7 @@ namespace xsimd
         template <class A, class T, detail::enable_sized_signed_t<T, 4> = 0>
         XSIMD_INLINE batch<T, A> from_bool(batch_bool<T, A> const& arg, requires_arch<neon>) noexcept
         {
-            auto const arg_int = wrap::x_vreinterpretq<int32_t, project_num_t<T>>(arg.data);
-            return vandq_s32(arg_int, vdupq_n_s32(1));
+            return vreinterpretq_s32_u32(vandq_u32(arg.data, vdupq_n_u32(1)));
         }
 
         template <class A, class T, detail::enable_sized_unsigned_t<T, 8> = 0>
@@ -342,8 +339,7 @@ namespace xsimd
         template <class A, class T, detail::enable_sized_signed_t<T, 8> = 0>
         XSIMD_INLINE batch<T, A> from_bool(batch_bool<T, A> const& arg, requires_arch<neon>) noexcept
         {
-            auto const arg_int = wrap::x_vreinterpretq<int64_t, project_num_t<T>>(arg.data);
-            return vandq_s64(arg_int, vdupq_n_s64(1));
+            return vreinterpretq_s64_u64(vandq_u64(arg.data, vdupq_n_u64(1)));
         }
 
         template <class A>