Adler32 intrinsic for x86 64-bit platforms

Implement Adler32 intrinsic for x86 64-bit platform using vector instructions.

For the following benchmark:
http://cr.openjdk.java.net/~pli/rfr/8216259/TestAdler32.java

The optimization shows ~5x improvement.

Base:
Benchmark (count) Mode Cnt Score Error Units
TestAdler32Perf.testAdler32Update 64 avgt 25 0.084 ± 0.001 us/op
TestAdler32Perf.testAdler32Update 128 avgt 25 0.104 ± 0.001 us/op
TestAdler32Perf.testAdler32Update 256 avgt 25 0.146 ± 0.002 us/op
TestAdler32Perf.testAdler32Update 512 avgt 25 0.226 ± 0.002 us/op
TestAdler32Perf.testAdler32Update 1024 avgt 25 0.390 ± 0.005 us/op
TestAdler32Perf.testAdler32Update 2048 avgt 25 0.714 ± 0.007 us/op
TestAdler32Perf.testAdler32Update 4096 avgt 25 1.359 ± 0.014 us/op
TestAdler32Perf.testAdler32Update 8192 avgt 25 2.751 ± 0.023 us/op
TestAdler32Perf.testAdler32Update 16384 avgt 25 5.494 ± 0.077 us/op
TestAdler32Perf.testAdler32Update 32768 avgt 25 11.058 ± 0.160 us/op
TestAdler32Perf.testAdler32Update 65536 avgt 25 22.198 ± 0.319 us/op


With patch:
Benchmark (count) Mode Cnt Score Error Units
TestAdler32Perf.testAdler32Update 64 avgt 25 0.020 ± 0.001 us/op
TestAdler32Perf.testAdler32Update 128 avgt 25 0.025 ± 0.001 us/op
TestAdler32Perf.testAdler32Update 256 avgt 25 0.031 ± 0.001 us/op
TestAdler32Perf.testAdler32Update 512 avgt 25 0.048 ± 0.001 us/op
TestAdler32Perf.testAdler32Update 1024 avgt 25 0.078 ± 0.001 us/op
TestAdler32Perf.testAdler32Update 2048 avgt 25 0.139 ± 0.002 us/op
TestAdler32Perf.testAdler32Update 4096 avgt 25 0.262 ± 0.004 us/op
TestAdler32Perf.testAdler32Update 8192 avgt 25 0.524 ± 0.010 us/op
TestAdler32Perf.testAdler32Update 16384 avgt 25 1.017 ± 0.022 us/op
TestAdler32Perf.testAdler32Update 32768 avgt 25 2.058 ± 0.052 us/op
TestAdler32Perf.testAdler32Update 65536 avgt 25 3.994 ± 0.013 us/op