[Misc] Restore c2_MacroAssembler_riscv.hpp #23

Job	Run time
Prerequisites	46s
Linux x64 (build release)	24m 42s
Linux aarch64 (build release)	1s
Linux x64 (build debug)	27m 2s
macOS x64 (build release)	3m 23s
Linux aarch64 (build debug)	1s
macOS x64 (build debug)	2m 56s
macOS aarch64 (build release)	3m 25s
Linux additional	0s
macOS aarch64 (build debug)	3m 51s
Windows x64 (build release)	45m 2s
Windows x64 (build debug)	42m 21s
macOS x64	0s
Linux x64 (jdk/tier1 part 1)	11m 12s
Linux x64 (jdk/tier1 part 2)	10m 11s
Linux x64 (jdk/tier1 part 3)	4m 34s
Linux x64 (langtools/tier1)	18m 45s
Linux x64 (hs/tier1 common)	1m 50s
Linux x64 (hs/tier1 compiler)	21m 54s
Linux x64 (hs/tier1 gc)	22m 28s
Linux x64 (hs/tier1 runtime)	7m 35s
Linux x64 (hs/tier1 serviceability)	3m 16s
Linux x64 (dragonwell/hs feature)	5m 13s
Linux x64 (dragonwell/jdk feature)	4m 27s
Windows x64 (jdk/tier1 part 1)	15m 23s
Windows x64 (jdk/tier1 part 2)	13m 29s
Windows x64 (jdk/tier1 part 3)	6m 26s
Windows x64 (hs/tier1 common)	3m 18s
Linux aarch64	0s
Post-process artifacts	31s
	5h 4m 2s

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