1 files changed, 24 insertions, 0 deletions
diff --git a/riscv/insns/vaesz_vs.h b/riscv/insns/vaesz_vs.h
new file mode 100644
index 0000000..c3dc931
--- /dev/null
+++ b/riscv/insns/vaesz_vs.h
@@ -0,0 +1,24 @@
+// vaesz.vs vd, vs2
+
+#include "zvk_ext_macros.h"
+#include "zvkned_ext_macros.h"
+
+require_vaes_vs_constraints;
+
+VI_ZVK_VD_VS2_NOOPERANDS_PRELOOP_EGU32x4_NOVM_LOOP(
+  {},
+  // This statement will be executed before the first execution
+  // of the loop, and only if the loop is going to be entered.
+  // We cannot use a block ( { ... } ) since we want the variables declared
+  // here to be visible in the loop block.
+  // We capture the "scalar", vs2's first element, by copy, even though
+  // the "no overlap" constraint means that vs2 should remain constant
+  // during the loop.
+  const EGU8x16_t scalar_key = P.VU.elt_group<EGU8x16_t>(vs2_num, 0);,
+  // Per Element Group body.
+  {
+    EGU8x16_t &vd = P.VU.elt_group<EGU8x16_t>(vd_num, idx_eg, true);
+    // Produce vd = vd ^ "common key from vs2".
+    EGU8x16_XOR(vd, vd, scalar_key);
+  }
+);