WIP

Author: serge-sans-paille

include/xsimd/arch/xsimd_altivec.hpp

@@ -15,6 +15,7 @@
 #include <complex>
 #include <limits>
 #include <type_traits>
+#include <endian.h>
 
 #include "../types/xsimd_altivec_register.hpp"
 
@@ -864,7 +865,11 @@ namespace xsimd
             }
             else
             {
+#if BYTE_ORDER == LITTLE_ENDIAN
                 auto slider = vec_splats((uint8_t)(8 * N));
+#else
+                auto slider = vec_splats((uint8_t)(8 * (16 - N)));
+#endif
                 return (typename batch<T, A>::register_type)vec_slo(x.data, slider);
             }
         }
@@ -879,7 +884,11 @@ namespace xsimd
             }
             else
             {
+#if BYTE_ORDER == LITTLE_ENDIAN
                 auto slider = vec_splats((uint8_t)(8 * N));
+#else
+                auto slider = vec_splats((uint8_t)(8 * (16 - N)));
+#endif
                 return (typename batch<T, A>::register_type)vec_sro((__vector unsigned char)x.data, slider);
             }
         }