Lines Matching +full:4 +full:-

1 // SPDX-License-Identifier: GPL-2.0
27  * number of blocks of output with nonce 0, taking an input key and 8-bytes
30  * This implementation avoids d8-d15 because they are callee-save in user
39  *	x1: 32-byte key input
40  *	x2: 8-byte counter input/output
41  *	x3: number of 64-byte block to write to output
45 	/* copy0 = "expand 32-byte k" */
52 	ld1		{ copy1.4s, copy2.4s }, [x1]
57 	uzp1		one_v.4s, one_v.4s, one_v.4s
69 	 * Permute one 64-byte block where the state matrix is stored in the four NEON
70 	 * registers state0-state3.  It performs matrix operations on four words in parallel,
76 	add		state0.4s, state0.4s, state1.4s
81 	add		state2.4s, state2.4s, state3.4s
83 	shl		state1.4s, tmp.4s, #12
84 	sri		state1.4s, tmp.4s, #20
87 	add		state0.4s, state0.4s, state1.4s
89 	shl		state3.4s, tmp.4s, #8
90 	sri		state3.4s, tmp.4s, #24
93 	add		state2.4s, state2.4s, state3.4s
95 	shl		state1.4s, tmp.4s, #7
96 	sri		state1.4s, tmp.4s, #25
99 	ext		state1.16b, state1.16b, state1.16b, #4
106 	add		state0.4s, state0.4s, state1.4s
111 	add		state2.4s, state2.4s, state3.4s
113 	shl		state1.4s, tmp.4s, #12
114 	sri		state1.4s, tmp.4s, #20
117 	add		state0.4s, state0.4s, state1.4s
119 	shl		state3.4s, tmp.4s, #8
120 	sri		state3.4s, tmp.4s, #24
123 	add		state2.4s, state2.4s, state3.4s
125 	shl		state1.4s, tmp.4s, #7
126 	sri		state1.4s, tmp.4s, #25
133 	ext		state3.16b, state3.16b, state3.16b, #4
139 	add		state0.4s, state0.4s, copy0.4s
141 	add		state1.4s, state1.4s, copy1.4s
143 	add		state2.4s, state2.4s, copy2.4s
145 	add		state3.4s, state3.4s, copy3.4s
146 	st1		{ state0.16b - state3.16b }, [x0]
154 	/* output += 64, --nblocks */