[PATCH 13/35] target/ppc: Use aesdec_ISB_ISR

[Richard Henderson]

This implements the VNCIPHERLAST instruction.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/ppc/int_helper.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c
index b49e17685b..444beb1779 100644
--- a/target/ppc/int_helper.c
+++ b/target/ppc/int_helper.c
@@ -2979,13 +2979,13 @@ void helper_vncipher(ppc_avr_t *r, ppc_avr_t *a, 
ppc_avr_t *b)
 
 void helper_vncipherlast(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
 {
-    ppc_avr_t result;
-    int i;
+    AESState *ad = (AESState *)r;
+    AESState *st = (AESState *)a;
+    AESState *rk = (AESState *)b;
+    AESState t;
 
-    VECTOR_FOR_INORDER_I(i, u8) {
-        result.VsrB(i) = b->VsrB(i) ^ (AES_isbox[a->VsrB(AES_ishifts[i])]);
-    }
-    *r = result;
+    aesdec_ISB_ISR(&t, st, true);
+    ad->v = t.v ^ rk->v;
 }
 
 void helper_vshasigmaw(ppc_avr_t *r,  ppc_avr_t *a, uint32_t st_six)
-- 
2.34.1