Lines Matching +full:sub +full:- +full:blocks

1 /* SPDX-License-Identifier: GPL-2.0+ */
3  * ChaCha 256-bit cipher algorithm, x64 AVX-512VL functions
29 	# %rsi: up to 2 data blocks output, o
30 	# %rdx: up to 2 data blocks input, i
34 	# This function encrypts two ChaCha blocks by loading the state
41 	# x0..3[0-2] = s0..3
110 	sub		$2,%r8d
181 	sub		$1,%rax
194 	# %rsi: up to 4 data blocks output, o
195 	# %rdx: up to 4 data blocks input, i
199 	# This function encrypts four ChaCha blocks by loading the state
204 	# arithmetic on two matrix-pairs without much slowdown.
208 	# x0..3[0-4] = s0..3
322 	sub		$2,%r8d
447 	sub		$1,%rax
460 	# %rsi: up to 8 data blocks output, o
461 	# %rdx: up to 8 data blocks input, i
465 	# This function encrypts eight consecutive ChaCha blocks by loading
472 	# x0..15[0-7] = s[0..15]
490 	# x12 += counter values 0-3
647 	sub		$2,%r8d
650 	# x0..15[0-3] += s[0..15]
668 	# interleave 32-bit words in state n, n+1
686 	# interleave 64-bit words in state n, n+2
704 	# interleave 128-bit words in state n, n+4
705 	# xor/write first four blocks
764 	# xor remaining blocks, write to output
827 	sub		$1,%rax