x86 assembly pack: update performance results.

# Westmere	3.77/1.37	1.37	1.52	1.27

# * Bridge	5.07/0.98	0.99	1.09	0.91	1.10

# Haswell	4.44/0.80	0.97	1.03	0.72	0.76

# Skylake	2.68/0.65	0.65	0.66	0.64	0.66

# Silvermont	5.77/3.56	3.67	4.03	3.46	4.03

# Goldmont	3.84/1.39	1.39	1.63	1.31	1.70

# Bulldozer	5.80/0.98	1.05	1.24	0.93	1.23

$PREFIX="aesni";	# if $PREFIX is set to "AES", the script

# Westmere	9.50/+45%	3.35

# Sandy Bridge	10.5/+47%	3.20

# Haswell	8.15/+50%	2.83

# Skylake	7.53/+22%	2.75

# Silvermont	17.4/+36%	8.35

# Goldmont	13.4/+40%	4.36

# Sledgehammer	10.2/+54%

# Sandy Bridge	8.31/+42%	5.45/6.76	2.72

# Ivy Bridge	6.71/+46%	5.40/6.49	2.41

# Haswell	5.92/+43%	5.20/6.45	2.42	    1.23

# Skylake	5.87/+39%	4.70/-		2.31	    1.19

# Silvermont	12.0/+33%	7.75/7.40	7.03(iii)

# Goldmont	10.6/+17%	5.10/-		3.28

# Sledgehammer	7.28/+52%	-/14.2(ii)	-

# Westmere	4.58/+100%	1.43

# Sandy Bridge	3.90/+100%	1.36

# Haswell	3.88/+70%	1.18		0.72

# Skylake	3.10/+60%	1.14		0.62

# Silvermont	11.0/+40%	4.80

# Goldmont	4.10/+200%	2.10

# VIA Nano	6.71/+90%	2.47

# Sandy Bridge	8.8		6.2/+40%	5.1(**)/+73%

# Ivy Bridge	7.2		4.8/+51%	4.7(**)/+53%

# Haswell	6.5		4.3/+51%	4.1(**)/+58%

# Skylake	6.4		4.1/+55%	4.1(**)/+55%

# Bulldozer	11.6		6.0/+92%

# VIA Nano	10.6		7.5/+41%

# Atom		12.5		9.3(*)/+35%

# Silvermont	14.5		9.9(*)/+46%

# Goldmont	8.8		6.7/+30%	1.7(***)/+415%

#

# (*)	Loop is 1056 instructions long and expected result is ~8.25.

#	The discrepancy is because of front-end limitations, so

#	limited parallelism.

#

# (**)	As per above comment, the result is for AVX *plus* sh[rl]d.

#

# (***)	SHAEXT result

$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;

push(@INC,"${dir}","${dir}../../perlasm");