target/i386: Use aesdec_IMC

This implements the AESIMC instruction.

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

target/i386/ops_sse.h

@@ -2215,15 +2215,10 @@ void glue(helper_aesenclast, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s)
 #if SHIFT == 1
 void glue(helper_aesimc, SUFFIX)(CPUX86State *env, Reg *d, Reg *s)
 {
-    int i;
-    Reg tmp = *s;
+    AESState *ad = (AESState *)&d->ZMM_X(0);
+    AESState *st = (AESState *)&s->ZMM_X(0);
 
-    for (i = 0 ; i < 4 ; i++) {
-        d->L(i) = bswap32(AES_imc[tmp.B(4 * i + 0)][0] ^
-                          AES_imc[tmp.B(4 * i + 1)][1] ^
-                          AES_imc[tmp.B(4 * i + 2)][2] ^
-                          AES_imc[tmp.B(4 * i + 3)][3]);
-    }
+    aesdec_IMC(ad, st, false);
 }
 
 void glue(helper_aeskeygenassist, SUFFIX)(CPUX86State *env, Reg *d, Reg *s,