libbb/sha1: tweak comments
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/libbb/hash_md5_sha_x86-32_shaNI.S b/libbb/hash_md5_sha_x86-32_shaNI.S
index 7202c76..6b12d14 100644
--- a/libbb/hash_md5_sha_x86-32_shaNI.S
+++ b/libbb/hash_md5_sha_x86-32_shaNI.S
@@ -34,7 +34,7 @@
#define MSG3 %xmm6
#define SHUF_MASK %xmm7
- .balign 8 # allow decoders to fetch at least 2 first insns
+ .balign 8 # allow decoders to fetch at least 3 first insns
sha1_process_block64_shaNI:
pushl %ebp
movl %esp, %ebp
@@ -44,8 +44,8 @@
/* load initial hash values */
xor128 E0, E0
movu128 76(%eax), ABCD
- pinsrd $3, 76+4*4(%eax), E0 # load to upper 32-bit word
- shuf128_32 $0x1B, ABCD, ABCD # 00011011: bswap
+ pinsrd $3, 76+4*4(%eax), E0 # load to uppermost 32-bit word
+ shuf128_32 $0x1B, ABCD, ABCD # DCBA -> ABCD
mova128 PSHUFFLE_BYTE_FLIP_MASK, SHUF_MASK