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-rw-r--r--crypto/sha/asm/sha1-sparcv9a.pl5
1 files changed, 3 insertions, 2 deletions
diff --git a/crypto/sha/asm/sha1-sparcv9a.pl b/crypto/sha/asm/sha1-sparcv9a.pl
index 6902b52b24..be7da91e48 100644
--- a/crypto/sha/asm/sha1-sparcv9a.pl
+++ b/crypto/sha/asm/sha1-sparcv9a.pl
@@ -112,8 +112,9 @@ ___
# virtually uniform performance of ~9.3 cycles per SHA1 round. Timings
# mentioned above are theoretical lower limits. Real-life performance
# was measured to be 6.6 cycles per SHA1 round on USIIi and 8.3 on
-# USIII. The latter means that processor manual must have an error in
-# instruction latency table or there is some unmentioned shortcut...
+# USIII. The latter is lower than half-round VIS timing, because there
+# are 16 Xupdate-free rounds, which "push down" average theoretical
+# timing to 8 cycles...
}
# The reference Xupdate procedure is then "strained" over *pairs* of