sha2

sha2: RISC-V scalar crypto extension support #1180

Job	Run time
riscv64-zknh	1m 38s
riscv32-zknh	17s
minimal-versions / minimal-versions	1m 0s
set-msrv / set-msrv	6s
linux (i686-unknown-linux-gnu, 1.79.0, sudo apt update && sudo apt install gcc-multilib)	1m 14s
build (1.79.0, thumbv7em-none-eabi)	26s
linux (i686-unknown-linux-gnu, stable, sudo apt update && sudo apt install gcc-multilib)	1m 15s
build (1.79.0, wasm32-unknown-unknown)	29s
linux (x86_64-unknown-linux-gnu, 1.79.0)	1m 4s
macos (1.79.0)	30s
build (1.79.0, loongarch64-unknown-linux-gnu)	25s
cross (1.79.0, aarch64-unknown-linux-gnu, default)	40s
macos (stable)	30s
linux (x86_64-unknown-linux-gnu, stable)	52s
build (stable, thumbv7em-none-eabi)	20s
cross (1.79.0, powerpc-unknown-linux-gnu, default)	37s
cross (stable, aarch64-unknown-linux-gnu, default)	45s
build (stable, wasm32-unknown-unknown)	36s
windows (1.79.0, x86_64-pc-windows-gnu)	48s
build (stable, loongarch64-unknown-linux-gnu)	23s
cross (stable, powerpc-unknown-linux-gnu, default)	1m 12s
windows (stable, x86_64-pc-windows-gnu)	1m 29s
	16m 36s

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