# [1] and [2], with MOVBE twist suggested by Ilya Albrekht and Max
# Locktyukhin of Intel Corp. who verified that it reduces shuffles
# pressure with notable relative improvement, achieving 1.0 cycle per
-# byte processed with 128-bit key on Haswell processor.
+# byte processed with 128-bit key on Haswell processor, and 0.74 -
+# on Broadwell. [Mentioned results are raw profiled measurements for
+# favourable packet size, one divisible by 96. Applications using the
+# EVP interface will observe a few percent worse performance.]
#
# [1] http://rt.openssl.org/Ticket/Display.html?id=2900&user=guest&pass=guest
# [2] http://www.intel.com/content/dam/www/public/us/en/documents/software-support/enabling-high-performance-gcm.pdf
.align 32
.Loop6x:
- add \$6<<24,$counter
+ add \$`6<<24`,$counter
jc .Lhandle_ctr32 # discard $inout[1-5]?
vmovdqu 0x00-0x20($Xip),$Hkey # $Hkey^1
vpaddb $T2,$inout5,$T1 # next counter value
vmovups 0x10-0x80($key),$rndkey
lea 0x20-0x80($key),%r12
vpxor $Z0,$T1,$inout0
- add \$6<<24,$counter
+ add \$`6<<24`,$counter
jc .Lhandle_ctr32_2
vpaddb $T2,$T1,$inout1
vpaddb $T2,$inout1,$inout2