_asm/ cast.go sha256.go sha256block.go sha256block_386.s sha256block_amd64.go sha256block_amd64.s sha256block_arm64.go sha256block_arm64.s sha256block_asm.go sha256block_loong64.s sha256block_noasm.go sha256block_ppc64x.go sha256block_ppc64x.s sha256block_riscv64.s sha256block_s390x.go sha256block_s390x.s