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Re: [PATCH v2 25/38] target/ppc: Use aesenc_SB_SR_MC_AK


From: Daniel Henrique Barboza
Subject: Re: [PATCH v2 25/38] target/ppc: Use aesenc_SB_SR_MC_AK
Date: Mon, 12 Jun 2023 10:28:28 -0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.10.0



On 6/8/23 23:23, Richard Henderson wrote:
This implements the VCIPHER instruction.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---

Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>

  target/ppc/int_helper.c | 14 ++++----------
  1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c
index 15f07fca2b..1e477924b7 100644
--- a/target/ppc/int_helper.c
+++ b/target/ppc/int_helper.c
@@ -2933,17 +2933,11 @@ void helper_vsbox(ppc_avr_t *r, ppc_avr_t *a)
void helper_vcipher(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;
- VECTOR_FOR_INORDER_I(i, u32) {
-        result.VsrW(i) = b->VsrW(i) ^
-            (AES_Te0[a->VsrB(AES_shifts[4 * i + 0])] ^
-             AES_Te1[a->VsrB(AES_shifts[4 * i + 1])] ^
-             AES_Te2[a->VsrB(AES_shifts[4 * i + 2])] ^
-             AES_Te3[a->VsrB(AES_shifts[4 * i + 3])]);
-    }
-    *r = result;
+    aesenc_SB_SR_MC_AK(ad, st, rk, true);
  }
void helper_vcipherlast(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)



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