1 files changed, 16 insertions, 0 deletions
diff --git a/riscv/insns/vrev8_v.h b/riscv/insns/vrev8_v.h
new file mode 100644
index 0000000..f26c5a0
--- /dev/null
+++ b/riscv/insns/vrev8_v.h
@@ -0,0 +1,16 @@
+// vrev8.v vd, vs2, vm
+
+#include "zvk_ext_macros.h"
+
+require_zvbb;
+
+VI_V_ULOOP
+({
+  vd = vs2;
+  if (P.VU.vsew > 8)
+    vd = ((vd & 0x00FF00FF00FF00FFllu) <<  8) | ((vd & 0xFF00FF00FF00FF00llu) >>  8);
+  if (P.VU.vsew > 16)
+    vd = ((vd & 0x0000FFFF0000FFFFllu) << 16) | ((vd & 0xFFFF0000FFFF0000llu) >> 16);
+  if (P.VU.vsew > 32)
+    vd = ((vd & 0x00000000FFFFFFFFllu) << 32) | ((vd & 0xFFFFFFFF00000000llu) >> 32);
+})