1 files changed, 13 insertions, 0 deletions
diff --git a/riscv/insns/vbrev8_v.h b/riscv/insns/vbrev8_v.h
new file mode 100644
index 0000000..a6d3cda
--- /dev/null
+++ b/riscv/insns/vbrev8_v.h
@@ -0,0 +1,13 @@
+// vbrev8.v vd, vs2, vm
+
+#include "zvk_ext_macros.h"
+
+require_zvbb;
+
+VI_V_ULOOP
+({
+  vd = vs2;
+  vd = ((vd & 0x5555555555555555llu) <<  1) | ((vd & 0xAAAAAAAAAAAAAAAAllu) >>  1);
+  vd = ((vd & 0x3333333333333333llu) <<  2) | ((vd & 0xCCCCCCCCCCCCCCCCllu) >>  2);
+  vd = ((vd & 0x0F0F0F0F0F0F0F0Fllu) <<  4) | ((vd & 0xF0F0F0F0F0F0F0F0llu) >>  4);
+})