Use vec_revb when POWER9 is available

2018-11-23 12:16:45 -05:00 · 2018-11-23 12:16:45 -05:00 · 39aaec7c59
parent 4020ba7058
commit 39aaec7c59
2 changed files with 7 additions and 3 deletions
--- a/ppc_simd.h
+++ b/ppc_simd.h
@ -123,8 +123,12 @@ inline uint32x4_p VecOne()
 template <class T>
 inline T VecReverse(const T data)
 {
+#if (_ARCH_PWR9)
+    return (T)vec_revb((uint8x16_p)data);
+#else
    const uint8x16_p mask = {15,14,13,12, 11,10,9,8, 7,6,5,4, 3,2,1,0};
    return (T)vec_perm(data, data, mask);
+#endif
 }

 //////////////////////// Loads ////////////////////////