diff options
| author | Paul Brook <paul@nowt.org> | 2022-04-24 23:01:42 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2022-09-01 20:16:33 +0200 |
| commit | 5a09df21f7478f18e2ec59bac78a85c60e15604b (patch) | |
| tree | c9b1aed8c7d2af5a10947d0ea67e1fcc9037fab1 | |
| parent | 0e29cea589ac870f9bfcc33514ccce14dbd8f098 (diff) | |
target/i386: AVX pclmulqdq prep
Make the pclmulqdq helper AVX ready
Signed-off-by: Paul Brook <paul@nowt.org>
Message-Id: <20220424220204.2493824-21-paul@nowt.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| -rw-r--r-- | target/i386/ops_sse.h | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/target/i386/ops_sse.h b/target/i386/ops_sse.h index 5241663227..c791e86af7 100644 --- a/target/i386/ops_sse.h +++ b/target/i386/ops_sse.h @@ -2211,14 +2211,14 @@ target_ulong helper_crc32(uint32_t crc1, target_ulong msg, uint32_t len) #endif -void glue(helper_pclmulqdq, SUFFIX)(CPUX86State *env, Reg *d, Reg *s, - uint32_t ctrl) +#if SHIFT == 1 +static void clmulq(uint64_t *dest_l, uint64_t *dest_h, + uint64_t a, uint64_t b) { - uint64_t ah, al, b, resh, resl; + uint64_t al, ah, resh, resl; ah = 0; - al = d->Q((ctrl & 1) != 0); - b = s->Q((ctrl & 16) != 0); + al = a; resh = resl = 0; while (b) { @@ -2231,8 +2231,23 @@ void glue(helper_pclmulqdq, SUFFIX)(CPUX86State *env, Reg *d, Reg *s, b >>= 1; } - d->Q(0) = resl; - d->Q(1) = resh; + *dest_l = resl; + *dest_h = resh; +} +#endif + +void glue(helper_pclmulqdq, SUFFIX)(CPUX86State *env, Reg *d, Reg *s, + uint32_t ctrl) +{ + Reg *v = d; + uint64_t a, b; + int i; + + for (i = 0; i < 1 << SHIFT; i += 2) { + a = v->Q(((ctrl & 1) != 0) + i); + b = s->Q(((ctrl & 16) != 0) + i); + clmulq(&d->Q(i), &d->Q(i + 1), a, b); + } } void glue(helper_aesdec, SUFFIX)(CPUX86State *env, Reg *d, Reg *s) |