system/qemu
system/qemu
1
0
Fork 0
mirror of https://gitlab.com/qemu-project/qemu synced 2024-07-23 19:34:41 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

target/i386: Use aesdec_ISB_ISR_IMC_AK

Browse source 
This implements the AESDEC instruction.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-06-02 15:29:28 -07:00
parent 03cf414ec3
commit 44a0c4a8cc
1 changed files with 5 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
target/i386/ops_sse.h
View file

@ -2162,16 +2162,12 @@ void glue(helper_pclmulqdq, SUFFIX)(CPUX86State *env, Reg *d, Reg *v, Reg *s,
void glue(helper_aesdec, 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 < 2 << SHIFT ; i++) {
int j = i & 3;
d->L(i) = rk.L(i) ^ bswap32(AES_Td0[st.B(AES_ishifts[4 * j + 0])] ^
AES_Td1[st.B(AES_ishifts[4 * j + 1])] ^
AES_Td2[st.B(AES_ishifts[4 * j + 2])] ^
AES_Td3[st.B(AES_ishifts[4 * j + 3])]);
aesdec_ISB_ISR_IMC_AK(ad, st, rk, false);
}
}