WIP

serge-sans-paille · serge-sans-paille · commit 634626b39eda · 2025-07-28T11:25:36.000+02:00
diff --git a/include/xsimd/arch/xsimd_altivec.hpp b/include/xsimd/arch/xsimd_altivec.hpp
@@ -18,6 +18,8 @@
 
 #include "../types/xsimd_altivec_register.hpp"
 
+#include <endian.h>
+
 namespace xsimd
 {
     template <typename T, class A, bool... Values>
@@ -879,7 +881,11 @@ namespace xsimd
             }
             else
             {
+#if BYTE_ORDER == LITTLE_ENDIAN
+                auto slider = vec_splats((uint8_t)(8 * (16 - N)));
+#else
                 auto slider = vec_splats((uint8_t)(8 * N));
+#endif
                 return (typename batch<T, A>::register_type)vec_sro((__vector unsigned char)x.data, slider);
             }
         }

Original file line number	Diff line number	Diff line change
`@@ -18,6 +18,8 @@`
`18`	`18`
`19`	`19`	`#include "../types/xsimd_altivec_register.hpp"`
`20`	`20`
	`21`	`+#include <endian.h>`
	`22`	`+`
`21`	`23`	`namespace xsimd`
`22`	`24`	`{`
`23`	`25`	`template <typename T, class A, bool... Values>`
`@@ -879,7 +881,11 @@ namespace xsimd`
`879`	`881`	`}`
`880`	`882`	`else`
`881`	`883`	`{`
	`884`	`+#if BYTE_ORDER == LITTLE_ENDIAN`
	`885`	`+ auto slider = vec_splats((uint8_t)(8 * (16 - N)));`
	`886`	`+#else`
`882`	`887`	`auto slider = vec_splats((uint8_t)(8 * N));`
	`888`	`+#endif`
`883`	`889`	`return (typename batch<T, A>::register_type)vec_sro((__vector unsigned char)x.data, slider);`
`884`	`890`	`}`
`885`	`891`	`}`