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>

1 files changed, 1 insertions, 2 deletions

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