target/i386: Use aesenc_SB_SR_AK

This implements the AESENCLAST instruction.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/i386/ops_sse.h

@@ -19,6 +19,7 @@
  */
 
 #include "crypto/aes.h"
+#include "crypto/aes-round.h"
 
 #if SHIFT == 0
 #define Reg MMXReg
@@ -2202,12 +2203,12 @@ void glue(helper_aesenc, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s)
 
 void glue(helper_aesenclast, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s)
 {
-    int i;
-    Reg st = *v;
-    Reg rk = *s;
+    for (int i = 0; i < SHIFT; i++) {
+        AESState *ad = (AESState *)&d->ZMM_X(i);
+        AESState *st = (AESState *)&v->ZMM_X(i);
+        AESState *rk = (AESState *)&s->ZMM_X(i);
 
-    for (i = 0; i < 8 << SHIFT; i++) {
-        d->B(i) = rk.B(i) ^ (AES_sbox[st.B(AES_shifts[i & 15] + (i & ~15))]);
+        aesenc_SB_SR_AK(ad, st, rk, false);
     }
 }