diff options
| author | Denys Vlasenko <vda.linux@googlemail.com> | 2022-02-08 17:34:02 +0300 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2022-02-08 17:34:02 +0300 |
| commit | eb8d5f3b8f3c91f3ed82a52b4ce52a154c146ede (patch) | |
| tree | 036c4cf2bebabfe4ff5a738529db3604c8f00ee7 /libbb | |
| parent | eb52e7fa522d829fb400461ca4c808ee5c1d6428 (diff) | |
libbb/sha1: shrink x86 hardware accelerated hashing (32-bit)
function old new delta
sha1_process_block64_shaNI 511 507 -4
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'libbb')
| -rw-r--r-- | libbb/hash_md5_sha_x86-32_shaNI.S | 9 | ||||
| -rw-r--r-- | libbb/hash_md5_sha_x86-64_shaNI.S | 3 |
2 files changed, 5 insertions, 7 deletions
diff --git a/libbb/hash_md5_sha_x86-32_shaNI.S b/libbb/hash_md5_sha_x86-32_shaNI.S index ad814a21b..a61b3cbed 100644 --- a/libbb/hash_md5_sha_x86-32_shaNI.S +++ b/libbb/hash_md5_sha_x86-32_shaNI.S @@ -53,8 +53,8 @@ sha1_process_block64_shaNI: pshufb %xmm7, MSG3 /* Save hash values for addition after rounds */ - movu128 E0, %xmm7 - /*movu128 ABCD, %xmm8 - NOPE, 32bit has no xmm8 */ + mova128 E0, %xmm7 + /*mova128 ABCD, %xmm8 - NOPE, 32bit has no xmm8 */ /* Rounds 0-3 */ paddd MSG0, E0 @@ -207,12 +207,11 @@ sha1_process_block64_shaNI: /* Add current hash values with previously saved */ sha1nexte %xmm7, E0 /*paddd %xmm8, ABCD - 32-bit mode has no xmm8 */ - movu128 76(%eax), %xmm7 # recreate original ABCD - shuf128_32 $0x1B, %xmm7, %xmm7 # DCBA -> ABCD - paddd %xmm7, ABCD + movu128 76(%eax), %xmm7 # get original ABCD (not shuffled)... /* Write hash values back in the correct order */ shuf128_32 $0x1B, ABCD, ABCD + paddd %xmm7, ABCD # ...add it to final ABCD movu128 ABCD, 76(%eax) extr128_32 $3, E0, 76+4*4(%eax) diff --git a/libbb/hash_md5_sha_x86-64_shaNI.S b/libbb/hash_md5_sha_x86-64_shaNI.S index fc2ca92e8..b32029360 100644 --- a/libbb/hash_md5_sha_x86-64_shaNI.S +++ b/libbb/hash_md5_sha_x86-64_shaNI.S @@ -36,9 +36,8 @@ .balign 8 # allow decoders to fetch at least 2 first insns sha1_process_block64_shaNI: /* load initial hash values */ - - xor128 E0, E0 movu128 80(%rdi), ABCD + xor128 E0, E0 pinsrd $3, 80+4*4(%rdi), E0 # load to uppermost 32-bit word shuf128_32 $0x1B, ABCD, ABCD # DCBA -> ABCD |