diff options
| author | Paul Brook <paul@nowt.org> | 2022-04-24 23:01:43 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2022-09-01 20:16:33 +0200 |
| commit | a64fc269198e09d422da0e89e606f6f12b40af1f (patch) | |
| tree | a1f13421af68d09dc30560d61f534ee5d04201b6 /target | |
| parent | 5a09df21f7478f18e2ec59bac78a85c60e15604b (diff) | |
target/i386: AVX+AES helpers prep
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>
Diffstat (limited to 'target')
| -rw-r--r-- | target/i386/ops_sse.h | 41 |
1 files changed, 22 insertions, 19 deletions
diff --git a/target/i386/ops_sse.h b/target/i386/ops_sse.h index c791e86af7..c0766de18d 100644 --- a/target/i386/ops_sse.h +++ b/target/i386/ops_sse.h @@ -2256,11 +2256,12 @@ void glue(helper_aesdec, SUFFIX)(CPUX86State *env, Reg *d, Reg *s) Reg st = *d; Reg rk = *s; - for (i = 0 ; i < 4 ; i++) { - d->L(i) = rk.L(i) ^ bswap32(AES_Td0[st.B(AES_ishifts[4*i+0])] ^ - AES_Td1[st.B(AES_ishifts[4*i+1])] ^ - AES_Td2[st.B(AES_ishifts[4*i+2])] ^ - AES_Td3[st.B(AES_ishifts[4*i+3])]); + 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])]); } } @@ -2270,8 +2271,8 @@ void glue(helper_aesdeclast, SUFFIX)(CPUX86State *env, Reg *d, Reg *s) Reg st = *d; Reg rk = *s; - for (i = 0; i < 16; i++) { - d->B(i) = rk.B(i) ^ (AES_isbox[st.B(AES_ishifts[i])]); + for (i = 0; i < 8 << SHIFT; 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 rk = *s; - for (i = 0 ; i < 4 ; i++) { - d->L(i) = rk.L(i) ^ bswap32(AES_Te0[st.B(AES_shifts[4*i+0])] ^ - AES_Te1[st.B(AES_shifts[4*i+1])] ^ - AES_Te2[st.B(AES_shifts[4*i+2])] ^ - AES_Te3[st.B(AES_shifts[4*i+3])]); + for (i = 0 ; i < 2 << SHIFT ; i++) { + int j = i & 3; + d->L(i) = rk.L(i) ^ bswap32(AES_Te0[st.B(AES_shifts[4 * j + 0])] ^ + AES_Te1[st.B(AES_shifts[4 * j + 1])] ^ + AES_Te2[st.B(AES_shifts[4 * j + 2])] ^ + AES_Te3[st.B(AES_shifts[4 * j + 3])]); } } @@ -2295,22 +2297,22 @@ void glue(helper_aesenclast, SUFFIX)(CPUX86State *env, Reg *d, Reg *s) Reg st = *d; Reg rk = *s; - for (i = 0; i < 16; i++) { - d->B(i) = rk.B(i) ^ (AES_sbox[st.B(AES_shifts[i])]); + for (i = 0; i < 8 << SHIFT; 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) { int i; Reg tmp = *s; 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]); + 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]); } } @@ -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; } #endif +#endif #undef SSE_HELPER_S |