WIP

Author: serge-sans-paille

include/xsimd/arch/xsimd_altivec.hpp

@@ -793,23 +793,21 @@ namespace xsimd
         {
             return vec_sqrt(val);
         }
-#if 0
 
         // slide_left
         template <size_t N, class A, class T>
         XSIMD_INLINE batch<T, A> slide_left(batch<T, A> const& x, requires_arch<altivec>) noexcept
         {
-            return _mm_slli_si128(x, N);
+            return vec_sll(x, vec_splat_u8(N));
         }
 
         // slide_right
         template <size_t N, class A, class T>
         XSIMD_INLINE batch<T, A> slide_right(batch<T, A> const& x, requires_arch<altivec>) noexcept
         {
-            return _mm_srli_si128(x, N);
+            return vec_srl(x, vec_splat_u8(N));
         }
 
-#endif
         // sadd
         template <class A, class T, class = typename std::enable_if<std::is_scalar<T>::value, void>::type>
         XSIMD_INLINE batch<T, A> sadd(batch<T, A> const& self, batch<T, A> const& other, requires_arch<altivec>) noexcept
@@ -862,10 +860,10 @@ namespace xsimd
             // Make a mask for which parts of the vectors to swap out
             auto mask = vec_perm(ox00, oxFF, permuteVector);
             // Right rotate our input data
-            v = vec_perm(self, self, permuteVector);
+            auto v = vec_perm(self, self, permuteVector);
             // Insert our data into the low and high vectors
-            low = vec_sel(self, low, mask);
-            high = vec_sel(high, self, mask);
+            low = vec_sel(v, low, mask);
+            high = vec_sel(high, v, mask);
             // Store the two aligned result vectors
             vec_st(low, 0, mem);
             vec_st(high, 16, mem);