sha2

sha2: RISC-V scalar crypto extension support #1188

Job	Run time
riscv32-zknh	1m 3s
riscv64-zknh	1m 33s
set-msrv / set-msrv	3s
minimal-versions / minimal-versions	59s
macos (1.79.0)	36s
linux (i686-unknown-linux-gnu, 1.79.0, sudo apt update && sudo apt install gcc-multilib)	1m 36s
macos (stable)	27s
build (1.79.0, thumbv7em-none-eabi)	24s
cross (1.79.0, aarch64-unknown-linux-gnu, default)	40s
linux (i686-unknown-linux-gnu, stable, sudo apt update && sudo apt install gcc-multilib)	1m 30s
build (1.79.0, wasm32-unknown-unknown)	28s
cross (1.79.0, powerpc-unknown-linux-gnu, default)	40s
linux (x86_64-unknown-linux-gnu, 1.79.0)	1m 9s
build (1.79.0, loongarch64-unknown-linux-gnu)	20s
cross (stable, aarch64-unknown-linux-gnu, default)	37s
linux (x86_64-unknown-linux-gnu, stable)	54s
windows (1.79.0, x86_64-pc-windows-gnu)	54s
build (stable, thumbv7em-none-eabi)	28s
cross (stable, powerpc-unknown-linux-gnu, default)	36s
windows (stable, x86_64-pc-windows-gnu)	1m 39s
build (stable, wasm32-unknown-unknown)	19s
build (stable, loongarch64-unknown-linux-gnu)	31s
	17m 26s

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