Lines Matching +full:24 +full:- +full:21

1 /* SPDX-License-Identifier: GPL-2.0-or-later */
5 # Copyright 2023- IBM Corp. All rights reserved
10 # Poly1305 - this version mainly using vector/VSX/Scalar
11 #  - 26 bits limbs
12 #  - Handle multiple 64 byte blcok.
17 # p = 2^130 - 5
25 #  07/22/21 - this revison based on the above sum of products.  Setup r^4, r^3, r^2, r and s3, s2, …
56 #include <asm/asm-offsets.h>
57 #include <asm/asm-compat.h>
95 	stdu 1,-752(1)
104 	SAVE_GPR 21, 168, 1
107 	SAVE_GPR 24, 192, 1
118 	SAVE_VRS 21, 16, 9
121 	SAVE_VRS 24, 64, 9
137 	SAVE_VSX 21, 304, 9
140 	SAVE_VSX 24, 352, 9
153 	RESTORE_VRS 21, 16, 9
156 	RESTORE_VRS 24, 64, 9
172 	RESTORE_VSX 21, 304, 9
175 	RESTORE_VSX 24, 352, 9
191 	RESTORE_GPR 21, 168, 1
194 	RESTORE_GPR 24, 192, 1
486 	lvx	25, 0, 10	# v25 - mask
488 	lvx	19, 15, 10	# v19 = 1 << 24
489 	lxv	24, 48(10)	# vs24
494 	ld	9, 24(3)
506 	extrdi	17, 10, 26, 24
508 	extrdi	18, 10, 24, 0
537 	li	21, 0	# counter to message
546 	sldi	19, 19, 24
554 	extrdi	17, 10, 26, 24
556 	extrdi	18, 10, 24, 0
562 	add	20, 4, 21
563 	xxlor	49, 24, 24
585 	vaddudm	21, 5, 10
588 	vaddudm	24, 8, 13
613 	vmrgow	5, 10, 21
616 	vmrgow	8, 13, 24
619 	addi	5, 5, -64	# len -= 64
620 	addi	21, 21, 64	# offset += 64
633 # h3 = (h1 + m3) * r^2,	h4 = (h2 + m4) * r^2  --> (h0 + m1) r*4 + (h3 + m3) r^2, (h0 + m2) r^4 + (h…
635 # h5 = (h3 + m5) * r^2,	h6 = (h4 + m6) * r^2  -->
636 # h7 = (h5 + m7) * r^2,	h8 = (h6 + m8) * r^1  --> m5 * r^4 + m6 * r^3 + m7 * r^2 + m8 * r
673 	add	20, 4, 21
674 	xxlor	49, 24, 24
690 	vsrd	21, 14, 31	# >> 26
691 	vsrd	22, 21, 31	# 12 bits left
695 	vand	21, 21, 25	# a1
709 	vsrd	24, 23, 31	# >> 26, a4
716 	vaddudm	5, 5, 21
719 	vaddudm	8, 8, 24
729 	addi	5, 5, -64	# len -= 64
730 	addi	21, 21, 64	# offset += 64
812 	vor	21, 7, 12
816 	vor	21, 21, 8
819 	srdi	16, 16, 24
851 	ld	9, 24(3)
856         srdi    21, 10, 2
857         add     19, 21, 10      # s1: r19 - (r1 >> 2) *5
901 	mfvsrd	21, 32+10	# h1.h
904 	adde	29, 29, 21
923 #   - no highbit if final leftover block (highbit = 0)
931 	stdu 1,-400(1)
940 	SAVE_GPR 21, 168, 1
943 	SAVE_GPR 24, 192, 1
970         mr      24, 6		# highbit
976 	ld	21, 8(11)
980 	adde	28, 28, 21
981 	adde	29, 29, 24
1006 	RESTORE_GPR 21, 168, 1
1009 	RESTORE_GPR 24, 192, 1
1039 	# h + 5 + (-p)