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target/i386: AVX+AES helpers prep

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Make the AES vector helpers AVX ready

No functional changes to existing helpers

Signed-off-by: Paul Brook <paul@nowt.org>
Message-Id: <20220424220204.2493824-22-paul@nowt.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paul Brook 2022-04-24 23:01:43 +01:00 • committed by Paolo Bonzini
parent 5a09df21f7
commit a64fc26919
1 changed files with 22 additions and 19 deletions
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35
target/i386/ops_sse.h
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@ -2256,11 +2256,12 @@ void glue(helper_aesdec, SUFFIX)(CPUX86State *env, Reg *d, Reg *s)
Reg st = *d; Reg st = *d;
Reg rk = *s; Reg rk = *s;
for (i = 0 ; i < 4 ; i++) { for (i = 0 ; i < 2 << SHIFT ; i++) {
d->L(i) = rk.L(i) ^ bswap32(AES_Td0[st.B(AES_ishifts[4*i+0])] ^ int j = i & 3;
AES_Td1[st.B(AES_ishifts[4*i+1])] ^ d->L(i) = rk.L(i) ^ bswap32(AES_Td0[st.B(AES_ishifts[4 * j + 0])] ^
AES_Td2[st.B(AES_ishifts[4*i+2])] ^ AES_Td1[st.B(AES_ishifts[4 * j + 1])] ^
AES_Td3[st.B(AES_ishifts[4*i+3])]); AES_Td2[st.B(AES_ishifts[4 * j + 2])] ^
AES_Td3[st.B(AES_ishifts[4 * j + 3])]);
} }
} }
@ -2270,8 +2271,8 @@ void glue(helper_aesdeclast, SUFFIX)(CPUX86State *env, Reg *d, Reg *s)
Reg st = *d; Reg st = *d;
Reg rk = *s; Reg rk = *s;
for (i = 0; i < 16; i++) { for (i = 0; i < 8 << SHIFT; i++) {
d->B(i) = rk.B(i) ^ (AES_isbox[st.B(AES_ishifts[i])]); d->B(i) = rk.B(i) ^ (AES_isbox[st.B(AES_ishifts[i & 15] + (i & ~15))]);
} }
} }
@ -2281,11 +2282,12 @@ void glue(helper_aesenc, SUFFIX)(CPUX86State *env, Reg *d, Reg *s)
Reg st = *d; Reg st = *d;
Reg rk = *s; Reg rk = *s;
for (i = 0 ; i < 4 ; i++) { for (i = 0 ; i < 2 << SHIFT ; i++) {
d->L(i) = rk.L(i) ^ bswap32(AES_Te0[st.B(AES_shifts[4*i+0])] ^ int j = i & 3;
AES_Te1[st.B(AES_shifts[4*i+1])] ^ d->L(i) = rk.L(i) ^ bswap32(AES_Te0[st.B(AES_shifts[4 * j + 0])] ^
AES_Te2[st.B(AES_shifts[4*i+2])] ^ AES_Te1[st.B(AES_shifts[4 * j + 1])] ^
AES_Te3[st.B(AES_shifts[4*i+3])]); AES_Te2[st.B(AES_shifts[4 * j + 2])] ^
AES_Te3[st.B(AES_shifts[4 * j + 3])]);
} }
} }
@ -2295,12 +2297,12 @@ void glue(helper_aesenclast, SUFFIX)(CPUX86State *env, Reg *d, Reg *s)
Reg st = *d; Reg st = *d;
Reg rk = *s; Reg rk = *s;
for (i = 0; i < 16; i++) { for (i = 0; i < 8 << SHIFT; i++) {
d->B(i) = rk.B(i) ^ (AES_sbox[st.B(AES_shifts[i])]); d->B(i) = rk.B(i) ^ (AES_sbox[st.B(AES_shifts[i & 15] + (i & ~15))]);
} }
} }
#if SHIFT == 1
void glue(helper_aesimc, SUFFIX)(CPUX86State *env, Reg *d, Reg *s) void glue(helper_aesimc, SUFFIX)(CPUX86State *env, Reg *d, Reg *s)
{ {
int i; int i;
@ -2328,6 +2330,7 @@ void glue(helper_aeskeygenassist, SUFFIX)(CPUX86State *env, Reg *d, Reg *s,
d->L(3) = (d->L(2) << 24 | d->L(2) >> 8) ^ ctrl; d->L(3) = (d->L(2) << 24 | d->L(2) >> 8) ^ ctrl;
} }
#endif #endif
#endif
#undef SSE_HELPER_S #undef SSE_HELPER_S