[Backport] 8267969: Add vectorized implementation for VectorMask.eq() #27

Job	Run time
Prerequisites	53s
macOS aarch64 (build release)	32m 1s
Linux x64 (build release)	37m 28s
Linux aarch64 (build release)	1s
macOS aarch64 (build debug)	37m 35s
Linux additional	0s
Linux x64 (build debug)	42m 9s
Linux aarch64 (build debug)	1s
macOS x64 (build release)	39m 20s
Windows x64 (build release)	42m 15s
macOS x64 (build debug)	42m 23s
Windows x64 (build debug)	56m 47s
Linux x64 (jdk/tier1 part 1)	11m 50s
Linux x64 (jdk/tier1 part 2)	19m 30s
Linux x64 (jdk/tier1 part 3)	3m 56s
Linux x64 (langtools/tier1)	19m 8s
Linux x64 (hs/tier1 common)	2m 44s
Linux x64 (hs/tier1 compiler)	46m 4s
Linux x64 (hs/tier1 gc)	21m 56s
Linux x64 (hs/tier1 runtime)	12m 48s
Linux x64 (hs/tier1 serviceability)	3m 30s
Linux x64 (dragonwell/hs feature)	5m 14s
Linux x64 (dragonwell/jdk feature)	4m 54s
macOS x64 (jdk/tier1 part 1)	20m 19s
macOS x64 (jdk/tier1 part 2)	17m 48s
macOS x64 (jdk/tier1 part 3)	10m 59s
macOS x64 (hs/tier1 common)	6m 41s
Windows x64 (jdk/tier1 part 1)	27m 0s
Windows x64 (jdk/tier1 part 2)	26m 43s
Windows x64 (jdk/tier1 part 3)	6m 0s
Windows x64 (hs/tier1 common)	4m 22s
Linux aarch64	0s
Post-process artifacts	15s
	10h 2m 34s

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