18c2ecf20Sopenharmony_ci########################################################################
28c2ecf20Sopenharmony_ci# Implement fast SHA-256 with AVX2 instructions. (x86_64)
38c2ecf20Sopenharmony_ci#
48c2ecf20Sopenharmony_ci# Copyright (C) 2013 Intel Corporation.
58c2ecf20Sopenharmony_ci#
68c2ecf20Sopenharmony_ci# Authors:
78c2ecf20Sopenharmony_ci#     James Guilford <james.guilford@intel.com>
88c2ecf20Sopenharmony_ci#     Kirk Yap <kirk.s.yap@intel.com>
98c2ecf20Sopenharmony_ci#     Tim Chen <tim.c.chen@linux.intel.com>
108c2ecf20Sopenharmony_ci#
118c2ecf20Sopenharmony_ci# This software is available to you under a choice of one of two
128c2ecf20Sopenharmony_ci# licenses.  You may choose to be licensed under the terms of the GNU
138c2ecf20Sopenharmony_ci# General Public License (GPL) Version 2, available from the file
148c2ecf20Sopenharmony_ci# COPYING in the main directory of this source tree, or the
158c2ecf20Sopenharmony_ci# OpenIB.org BSD license below:
168c2ecf20Sopenharmony_ci#
178c2ecf20Sopenharmony_ci#     Redistribution and use in source and binary forms, with or
188c2ecf20Sopenharmony_ci#     without modification, are permitted provided that the following
198c2ecf20Sopenharmony_ci#     conditions are met:
208c2ecf20Sopenharmony_ci#
218c2ecf20Sopenharmony_ci#      - Redistributions of source code must retain the above
228c2ecf20Sopenharmony_ci#        copyright notice, this list of conditions and the following
238c2ecf20Sopenharmony_ci#        disclaimer.
248c2ecf20Sopenharmony_ci#
258c2ecf20Sopenharmony_ci#      - Redistributions in binary form must reproduce the above
268c2ecf20Sopenharmony_ci#        copyright notice, this list of conditions and the following
278c2ecf20Sopenharmony_ci#        disclaimer in the documentation and/or other materials
288c2ecf20Sopenharmony_ci#        provided with the distribution.
298c2ecf20Sopenharmony_ci#
308c2ecf20Sopenharmony_ci# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
318c2ecf20Sopenharmony_ci# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
328c2ecf20Sopenharmony_ci# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
338c2ecf20Sopenharmony_ci# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
348c2ecf20Sopenharmony_ci# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
358c2ecf20Sopenharmony_ci# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
368c2ecf20Sopenharmony_ci# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
378c2ecf20Sopenharmony_ci# SOFTWARE.
388c2ecf20Sopenharmony_ci#
398c2ecf20Sopenharmony_ci########################################################################
408c2ecf20Sopenharmony_ci#
418c2ecf20Sopenharmony_ci# This code is described in an Intel White-Paper:
428c2ecf20Sopenharmony_ci# "Fast SHA-256 Implementations on Intel Architecture Processors"
438c2ecf20Sopenharmony_ci#
448c2ecf20Sopenharmony_ci# To find it, surf to http://www.intel.com/p/en_US/embedded
458c2ecf20Sopenharmony_ci# and search for that title.
468c2ecf20Sopenharmony_ci#
478c2ecf20Sopenharmony_ci########################################################################
488c2ecf20Sopenharmony_ci# This code schedules 2 blocks at a time, with 4 lanes per block
498c2ecf20Sopenharmony_ci########################################################################
508c2ecf20Sopenharmony_ci
518c2ecf20Sopenharmony_ci#include <linux/linkage.h>
528c2ecf20Sopenharmony_ci
538c2ecf20Sopenharmony_ci## assume buffers not aligned
548c2ecf20Sopenharmony_ci#define	VMOVDQ vmovdqu
558c2ecf20Sopenharmony_ci
568c2ecf20Sopenharmony_ci################################ Define Macros
578c2ecf20Sopenharmony_ci
588c2ecf20Sopenharmony_ci# addm [mem], reg
598c2ecf20Sopenharmony_ci# Add reg to mem using reg-mem add and store
608c2ecf20Sopenharmony_ci.macro addm p1 p2
618c2ecf20Sopenharmony_ci	add	\p1, \p2
628c2ecf20Sopenharmony_ci	mov	\p2, \p1
638c2ecf20Sopenharmony_ci.endm
648c2ecf20Sopenharmony_ci
658c2ecf20Sopenharmony_ci################################
668c2ecf20Sopenharmony_ci
678c2ecf20Sopenharmony_ciX0 = %ymm4
688c2ecf20Sopenharmony_ciX1 = %ymm5
698c2ecf20Sopenharmony_ciX2 = %ymm6
708c2ecf20Sopenharmony_ciX3 = %ymm7
718c2ecf20Sopenharmony_ci
728c2ecf20Sopenharmony_ci# XMM versions of above
738c2ecf20Sopenharmony_ciXWORD0 = %xmm4
748c2ecf20Sopenharmony_ciXWORD1 = %xmm5
758c2ecf20Sopenharmony_ciXWORD2 = %xmm6
768c2ecf20Sopenharmony_ciXWORD3 = %xmm7
778c2ecf20Sopenharmony_ci
788c2ecf20Sopenharmony_ciXTMP0 = %ymm0
798c2ecf20Sopenharmony_ciXTMP1 = %ymm1
808c2ecf20Sopenharmony_ciXTMP2 = %ymm2
818c2ecf20Sopenharmony_ciXTMP3 = %ymm3
828c2ecf20Sopenharmony_ciXTMP4 = %ymm8
838c2ecf20Sopenharmony_ciXFER  = %ymm9
848c2ecf20Sopenharmony_ciXTMP5 = %ymm11
858c2ecf20Sopenharmony_ci
868c2ecf20Sopenharmony_ciSHUF_00BA =	%ymm10 # shuffle xBxA -> 00BA
878c2ecf20Sopenharmony_ciSHUF_DC00 =	%ymm12 # shuffle xDxC -> DC00
888c2ecf20Sopenharmony_ciBYTE_FLIP_MASK = %ymm13
898c2ecf20Sopenharmony_ci
908c2ecf20Sopenharmony_ciX_BYTE_FLIP_MASK = %xmm13 # XMM version of BYTE_FLIP_MASK
918c2ecf20Sopenharmony_ci
928c2ecf20Sopenharmony_ciNUM_BLKS = %rdx	# 3rd arg
938c2ecf20Sopenharmony_ciINP	= %rsi  # 2nd arg
948c2ecf20Sopenharmony_ciCTX	= %rdi	# 1st arg
958c2ecf20Sopenharmony_cic	= %ecx
968c2ecf20Sopenharmony_cid	= %r8d
978c2ecf20Sopenharmony_cie       = %edx	# clobbers NUM_BLKS
988c2ecf20Sopenharmony_ciy3	= %esi	# clobbers INP
998c2ecf20Sopenharmony_ci
1008c2ecf20Sopenharmony_ciSRND	= CTX	# SRND is same register as CTX
1018c2ecf20Sopenharmony_ci
1028c2ecf20Sopenharmony_cia = %eax
1038c2ecf20Sopenharmony_cib = %ebx
1048c2ecf20Sopenharmony_cif = %r9d
1058c2ecf20Sopenharmony_cig = %r10d
1068c2ecf20Sopenharmony_cih = %r11d
1078c2ecf20Sopenharmony_ciold_h = %r11d
1088c2ecf20Sopenharmony_ci
1098c2ecf20Sopenharmony_ciT1 = %r12d
1108c2ecf20Sopenharmony_ciy0 = %r13d
1118c2ecf20Sopenharmony_ciy1 = %r14d
1128c2ecf20Sopenharmony_ciy2 = %r15d
1138c2ecf20Sopenharmony_ci
1148c2ecf20Sopenharmony_ci
1158c2ecf20Sopenharmony_ci_XFER_SIZE	= 2*64*4	# 2 blocks, 64 rounds, 4 bytes/round
1168c2ecf20Sopenharmony_ci_XMM_SAVE_SIZE	= 0
1178c2ecf20Sopenharmony_ci_INP_END_SIZE	= 8
1188c2ecf20Sopenharmony_ci_INP_SIZE	= 8
1198c2ecf20Sopenharmony_ci_CTX_SIZE	= 8
1208c2ecf20Sopenharmony_ci_RSP_SIZE	= 8
1218c2ecf20Sopenharmony_ci
1228c2ecf20Sopenharmony_ci_XFER		= 0
1238c2ecf20Sopenharmony_ci_XMM_SAVE	= _XFER     + _XFER_SIZE
1248c2ecf20Sopenharmony_ci_INP_END	= _XMM_SAVE + _XMM_SAVE_SIZE
1258c2ecf20Sopenharmony_ci_INP		= _INP_END  + _INP_END_SIZE
1268c2ecf20Sopenharmony_ci_CTX		= _INP      + _INP_SIZE
1278c2ecf20Sopenharmony_ci_RSP		= _CTX      + _CTX_SIZE
1288c2ecf20Sopenharmony_ciSTACK_SIZE	= _RSP      + _RSP_SIZE
1298c2ecf20Sopenharmony_ci
1308c2ecf20Sopenharmony_ci# rotate_Xs
1318c2ecf20Sopenharmony_ci# Rotate values of symbols X0...X3
1328c2ecf20Sopenharmony_ci.macro rotate_Xs
1338c2ecf20Sopenharmony_ci	X_ = X0
1348c2ecf20Sopenharmony_ci	X0 = X1
1358c2ecf20Sopenharmony_ci	X1 = X2
1368c2ecf20Sopenharmony_ci	X2 = X3
1378c2ecf20Sopenharmony_ci	X3 = X_
1388c2ecf20Sopenharmony_ci.endm
1398c2ecf20Sopenharmony_ci
1408c2ecf20Sopenharmony_ci# ROTATE_ARGS
1418c2ecf20Sopenharmony_ci# Rotate values of symbols a...h
1428c2ecf20Sopenharmony_ci.macro ROTATE_ARGS
1438c2ecf20Sopenharmony_ci	old_h = h
1448c2ecf20Sopenharmony_ci	TMP_ = h
1458c2ecf20Sopenharmony_ci	h = g
1468c2ecf20Sopenharmony_ci	g = f
1478c2ecf20Sopenharmony_ci	f = e
1488c2ecf20Sopenharmony_ci	e = d
1498c2ecf20Sopenharmony_ci	d = c
1508c2ecf20Sopenharmony_ci	c = b
1518c2ecf20Sopenharmony_ci	b = a
1528c2ecf20Sopenharmony_ci	a = TMP_
1538c2ecf20Sopenharmony_ci.endm
1548c2ecf20Sopenharmony_ci
1558c2ecf20Sopenharmony_ci.macro FOUR_ROUNDS_AND_SCHED disp
1568c2ecf20Sopenharmony_ci################################### RND N + 0 ############################
1578c2ecf20Sopenharmony_ci
1588c2ecf20Sopenharmony_ci	mov	a, y3		# y3 = a                                # MAJA
1598c2ecf20Sopenharmony_ci	rorx	$25, e, y0	# y0 = e >> 25				# S1A
1608c2ecf20Sopenharmony_ci	rorx	$11, e, y1	# y1 = e >> 11				# S1B
1618c2ecf20Sopenharmony_ci
1628c2ecf20Sopenharmony_ci	addl	\disp(%rsp, SRND), h		# h = k + w + h         # --
1638c2ecf20Sopenharmony_ci	or	c, y3		# y3 = a|c                              # MAJA
1648c2ecf20Sopenharmony_ci	vpalignr $4, X2, X3, XTMP0 # XTMP0 = W[-7]
1658c2ecf20Sopenharmony_ci	mov	f, y2		# y2 = f                                # CH
1668c2ecf20Sopenharmony_ci	rorx	$13, a, T1	# T1 = a >> 13				# S0B
1678c2ecf20Sopenharmony_ci
1688c2ecf20Sopenharmony_ci	xor	y1, y0		# y0 = (e>>25) ^ (e>>11)		# S1
1698c2ecf20Sopenharmony_ci	xor	g, y2		# y2 = f^g                              # CH
1708c2ecf20Sopenharmony_ci	vpaddd	X0, XTMP0, XTMP0 # XTMP0 = W[-7] + W[-16]# y1 = (e >> 6)# S1
1718c2ecf20Sopenharmony_ci	rorx	$6, e, y1	# y1 = (e >> 6)				# S1
1728c2ecf20Sopenharmony_ci
1738c2ecf20Sopenharmony_ci	and	e, y2		# y2 = (f^g)&e                          # CH
1748c2ecf20Sopenharmony_ci	xor	y1, y0		# y0 = (e>>25) ^ (e>>11) ^ (e>>6)	# S1
1758c2ecf20Sopenharmony_ci	rorx	$22, a, y1	# y1 = a >> 22				# S0A
1768c2ecf20Sopenharmony_ci	add	h, d		# d = k + w + h + d                     # --
1778c2ecf20Sopenharmony_ci
1788c2ecf20Sopenharmony_ci	and	b, y3		# y3 = (a|c)&b                          # MAJA
1798c2ecf20Sopenharmony_ci	vpalignr $4, X0, X1, XTMP1	# XTMP1 = W[-15]
1808c2ecf20Sopenharmony_ci	xor	T1, y1		# y1 = (a>>22) ^ (a>>13)		# S0
1818c2ecf20Sopenharmony_ci	rorx	$2, a, T1	# T1 = (a >> 2)				# S0
1828c2ecf20Sopenharmony_ci
1838c2ecf20Sopenharmony_ci	xor	g, y2		# y2 = CH = ((f^g)&e)^g                 # CH
1848c2ecf20Sopenharmony_ci	vpsrld	$7, XTMP1, XTMP2
1858c2ecf20Sopenharmony_ci	xor	T1, y1		# y1 = (a>>22) ^ (a>>13) ^ (a>>2)	# S0
1868c2ecf20Sopenharmony_ci	mov	a, T1		# T1 = a                                # MAJB
1878c2ecf20Sopenharmony_ci	and	c, T1		# T1 = a&c                              # MAJB
1888c2ecf20Sopenharmony_ci
1898c2ecf20Sopenharmony_ci	add	y0, y2		# y2 = S1 + CH                          # --
1908c2ecf20Sopenharmony_ci	vpslld	$(32-7), XTMP1, XTMP3
1918c2ecf20Sopenharmony_ci	or	T1, y3		# y3 = MAJ = (a|c)&b)|(a&c)             # MAJ
1928c2ecf20Sopenharmony_ci	add	y1, h		# h = k + w + h + S0                    # --
1938c2ecf20Sopenharmony_ci
1948c2ecf20Sopenharmony_ci	add	y2, d		# d = k + w + h + d + S1 + CH = d + t1  # --
1958c2ecf20Sopenharmony_ci	vpor	XTMP2, XTMP3, XTMP3	# XTMP3 = W[-15] ror 7
1968c2ecf20Sopenharmony_ci
1978c2ecf20Sopenharmony_ci	vpsrld	$18, XTMP1, XTMP2
1988c2ecf20Sopenharmony_ci	add	y2, h		# h = k + w + h + S0 + S1 + CH = t1 + S0# --
1998c2ecf20Sopenharmony_ci	add	y3, h		# h = t1 + S0 + MAJ                     # --
2008c2ecf20Sopenharmony_ci
2018c2ecf20Sopenharmony_ci
2028c2ecf20Sopenharmony_ci	ROTATE_ARGS
2038c2ecf20Sopenharmony_ci
2048c2ecf20Sopenharmony_ci################################### RND N + 1 ############################
2058c2ecf20Sopenharmony_ci
2068c2ecf20Sopenharmony_ci	mov	a, y3		# y3 = a                                # MAJA
2078c2ecf20Sopenharmony_ci	rorx	$25, e, y0	# y0 = e >> 25				# S1A
2088c2ecf20Sopenharmony_ci	rorx	$11, e, y1	# y1 = e >> 11				# S1B
2098c2ecf20Sopenharmony_ci	offset = \disp + 1*4
2108c2ecf20Sopenharmony_ci	addl	offset(%rsp, SRND), h	# h = k + w + h         # --
2118c2ecf20Sopenharmony_ci	or	c, y3		# y3 = a|c                              # MAJA
2128c2ecf20Sopenharmony_ci
2138c2ecf20Sopenharmony_ci
2148c2ecf20Sopenharmony_ci	vpsrld	$3, XTMP1, XTMP4 # XTMP4 = W[-15] >> 3
2158c2ecf20Sopenharmony_ci	mov	f, y2		# y2 = f                                # CH
2168c2ecf20Sopenharmony_ci	rorx	$13, a, T1	# T1 = a >> 13				# S0B
2178c2ecf20Sopenharmony_ci	xor	y1, y0		# y0 = (e>>25) ^ (e>>11)		# S1
2188c2ecf20Sopenharmony_ci	xor	g, y2		# y2 = f^g                              # CH
2198c2ecf20Sopenharmony_ci
2208c2ecf20Sopenharmony_ci
2218c2ecf20Sopenharmony_ci	rorx	$6, e, y1	# y1 = (e >> 6)				# S1
2228c2ecf20Sopenharmony_ci	xor	y1, y0		# y0 = (e>>25) ^ (e>>11) ^ (e>>6)	# S1
2238c2ecf20Sopenharmony_ci	rorx	$22, a, y1	# y1 = a >> 22				# S0A
2248c2ecf20Sopenharmony_ci	and	e, y2		# y2 = (f^g)&e                          # CH
2258c2ecf20Sopenharmony_ci	add	h, d		# d = k + w + h + d                     # --
2268c2ecf20Sopenharmony_ci
2278c2ecf20Sopenharmony_ci	vpslld	$(32-18), XTMP1, XTMP1
2288c2ecf20Sopenharmony_ci	and	b, y3		# y3 = (a|c)&b                          # MAJA
2298c2ecf20Sopenharmony_ci	xor	T1, y1		# y1 = (a>>22) ^ (a>>13)		# S0
2308c2ecf20Sopenharmony_ci
2318c2ecf20Sopenharmony_ci	vpxor	XTMP1, XTMP3, XTMP3
2328c2ecf20Sopenharmony_ci	rorx	$2, a, T1	# T1 = (a >> 2)				# S0
2338c2ecf20Sopenharmony_ci	xor	g, y2		# y2 = CH = ((f^g)&e)^g                 # CH
2348c2ecf20Sopenharmony_ci
2358c2ecf20Sopenharmony_ci	vpxor	XTMP2, XTMP3, XTMP3	# XTMP3 = W[-15] ror 7 ^ W[-15] ror 18
2368c2ecf20Sopenharmony_ci	xor	T1, y1		# y1 = (a>>22) ^ (a>>13) ^ (a>>2)	# S0
2378c2ecf20Sopenharmony_ci	mov	a, T1		# T1 = a                                # MAJB
2388c2ecf20Sopenharmony_ci	and	c, T1		# T1 = a&c                              # MAJB
2398c2ecf20Sopenharmony_ci	add	y0, y2		# y2 = S1 + CH                          # --
2408c2ecf20Sopenharmony_ci
2418c2ecf20Sopenharmony_ci	vpxor	XTMP4, XTMP3, XTMP1	# XTMP1 = s0
2428c2ecf20Sopenharmony_ci	vpshufd	$0b11111010, X3, XTMP2	# XTMP2 = W[-2] {BBAA}
2438c2ecf20Sopenharmony_ci	or	T1, y3		# y3 = MAJ = (a|c)&b)|(a&c)             # MAJ
2448c2ecf20Sopenharmony_ci	add	y1, h		# h = k + w + h + S0                    # --
2458c2ecf20Sopenharmony_ci
2468c2ecf20Sopenharmony_ci	vpaddd	XTMP1, XTMP0, XTMP0	# XTMP0 = W[-16] + W[-7] + s0
2478c2ecf20Sopenharmony_ci	add	y2, d		# d = k + w + h + d + S1 + CH = d + t1  # --
2488c2ecf20Sopenharmony_ci	add	y2, h		# h = k + w + h + S0 + S1 + CH = t1 + S0# --
2498c2ecf20Sopenharmony_ci	add	y3, h		# h = t1 + S0 + MAJ                     # --
2508c2ecf20Sopenharmony_ci
2518c2ecf20Sopenharmony_ci	vpsrld	$10, XTMP2, XTMP4 # XTMP4 = W[-2] >> 10 {BBAA}
2528c2ecf20Sopenharmony_ci
2538c2ecf20Sopenharmony_ci
2548c2ecf20Sopenharmony_ci	ROTATE_ARGS
2558c2ecf20Sopenharmony_ci
2568c2ecf20Sopenharmony_ci################################### RND N + 2 ############################
2578c2ecf20Sopenharmony_ci
2588c2ecf20Sopenharmony_ci	mov	a, y3		# y3 = a                                # MAJA
2598c2ecf20Sopenharmony_ci	rorx	$25, e, y0	# y0 = e >> 25				# S1A
2608c2ecf20Sopenharmony_ci	offset = \disp + 2*4
2618c2ecf20Sopenharmony_ci	addl	offset(%rsp, SRND), h	# h = k + w + h         # --
2628c2ecf20Sopenharmony_ci
2638c2ecf20Sopenharmony_ci	vpsrlq	$19, XTMP2, XTMP3 # XTMP3 = W[-2] ror 19 {xBxA}
2648c2ecf20Sopenharmony_ci	rorx	$11, e, y1	# y1 = e >> 11				# S1B
2658c2ecf20Sopenharmony_ci	or	c, y3		# y3 = a|c                              # MAJA
2668c2ecf20Sopenharmony_ci	mov	f, y2		# y2 = f                                # CH
2678c2ecf20Sopenharmony_ci	xor	g, y2		# y2 = f^g                              # CH
2688c2ecf20Sopenharmony_ci
2698c2ecf20Sopenharmony_ci	rorx	$13, a, T1	# T1 = a >> 13				# S0B
2708c2ecf20Sopenharmony_ci	xor	y1, y0		# y0 = (e>>25) ^ (e>>11)		# S1
2718c2ecf20Sopenharmony_ci	vpsrlq	$17, XTMP2, XTMP2	# XTMP2 = W[-2] ror 17 {xBxA}
2728c2ecf20Sopenharmony_ci	and	e, y2		# y2 = (f^g)&e                          # CH
2738c2ecf20Sopenharmony_ci
2748c2ecf20Sopenharmony_ci	rorx	$6, e, y1	# y1 = (e >> 6)				# S1
2758c2ecf20Sopenharmony_ci	vpxor	XTMP3, XTMP2, XTMP2
2768c2ecf20Sopenharmony_ci	add	h, d		# d = k + w + h + d                     # --
2778c2ecf20Sopenharmony_ci	and	b, y3		# y3 = (a|c)&b                          # MAJA
2788c2ecf20Sopenharmony_ci
2798c2ecf20Sopenharmony_ci	xor	y1, y0		# y0 = (e>>25) ^ (e>>11) ^ (e>>6)	# S1
2808c2ecf20Sopenharmony_ci	rorx	$22, a, y1	# y1 = a >> 22				# S0A
2818c2ecf20Sopenharmony_ci	vpxor	XTMP2, XTMP4, XTMP4	# XTMP4 = s1 {xBxA}
2828c2ecf20Sopenharmony_ci	xor	g, y2		# y2 = CH = ((f^g)&e)^g                 # CH
2838c2ecf20Sopenharmony_ci
2848c2ecf20Sopenharmony_ci	vpshufb	SHUF_00BA, XTMP4, XTMP4	# XTMP4 = s1 {00BA}
2858c2ecf20Sopenharmony_ci	xor	T1, y1		# y1 = (a>>22) ^ (a>>13)		# S0
2868c2ecf20Sopenharmony_ci	rorx	$2, a ,T1	# T1 = (a >> 2)				# S0
2878c2ecf20Sopenharmony_ci	vpaddd	XTMP4, XTMP0, XTMP0	# XTMP0 = {..., ..., W[1], W[0]}
2888c2ecf20Sopenharmony_ci
2898c2ecf20Sopenharmony_ci	xor	T1, y1		# y1 = (a>>22) ^ (a>>13) ^ (a>>2)	# S0
2908c2ecf20Sopenharmony_ci	mov	a, T1		# T1 = a                                # MAJB
2918c2ecf20Sopenharmony_ci	and	c, T1		# T1 = a&c                              # MAJB
2928c2ecf20Sopenharmony_ci	add	y0, y2		# y2 = S1 + CH                          # --
2938c2ecf20Sopenharmony_ci	vpshufd	$0b01010000, XTMP0, XTMP2	# XTMP2 = W[-2] {DDCC}
2948c2ecf20Sopenharmony_ci
2958c2ecf20Sopenharmony_ci	or	T1, y3		# y3 = MAJ = (a|c)&b)|(a&c)             # MAJ
2968c2ecf20Sopenharmony_ci	add	y1,h		# h = k + w + h + S0                    # --
2978c2ecf20Sopenharmony_ci	add	y2,d		# d = k + w + h + d + S1 + CH = d + t1  # --
2988c2ecf20Sopenharmony_ci	add	y2,h		# h = k + w + h + S0 + S1 + CH = t1 + S0# --
2998c2ecf20Sopenharmony_ci
3008c2ecf20Sopenharmony_ci	add	y3,h		# h = t1 + S0 + MAJ                     # --
3018c2ecf20Sopenharmony_ci
3028c2ecf20Sopenharmony_ci
3038c2ecf20Sopenharmony_ci	ROTATE_ARGS
3048c2ecf20Sopenharmony_ci
3058c2ecf20Sopenharmony_ci################################### RND N + 3 ############################
3068c2ecf20Sopenharmony_ci
3078c2ecf20Sopenharmony_ci	mov	a, y3		# y3 = a                                # MAJA
3088c2ecf20Sopenharmony_ci	rorx	$25, e, y0	# y0 = e >> 25				# S1A
3098c2ecf20Sopenharmony_ci	rorx	$11, e, y1	# y1 = e >> 11				# S1B
3108c2ecf20Sopenharmony_ci	offset = \disp + 3*4
3118c2ecf20Sopenharmony_ci	addl	offset(%rsp, SRND), h	# h = k + w + h         # --
3128c2ecf20Sopenharmony_ci	or	c, y3		# y3 = a|c                              # MAJA
3138c2ecf20Sopenharmony_ci
3148c2ecf20Sopenharmony_ci
3158c2ecf20Sopenharmony_ci	vpsrld	$10, XTMP2, XTMP5	# XTMP5 = W[-2] >> 10 {DDCC}
3168c2ecf20Sopenharmony_ci	mov	f, y2		# y2 = f                                # CH
3178c2ecf20Sopenharmony_ci	rorx	$13, a, T1	# T1 = a >> 13				# S0B
3188c2ecf20Sopenharmony_ci	xor	y1, y0		# y0 = (e>>25) ^ (e>>11)		# S1
3198c2ecf20Sopenharmony_ci	xor	g, y2		# y2 = f^g                              # CH
3208c2ecf20Sopenharmony_ci
3218c2ecf20Sopenharmony_ci
3228c2ecf20Sopenharmony_ci	vpsrlq	$19, XTMP2, XTMP3	# XTMP3 = W[-2] ror 19 {xDxC}
3238c2ecf20Sopenharmony_ci	rorx	$6, e, y1	# y1 = (e >> 6)				# S1
3248c2ecf20Sopenharmony_ci	and	e, y2		# y2 = (f^g)&e                          # CH
3258c2ecf20Sopenharmony_ci	add	h, d		# d = k + w + h + d                     # --
3268c2ecf20Sopenharmony_ci	and	b, y3		# y3 = (a|c)&b                          # MAJA
3278c2ecf20Sopenharmony_ci
3288c2ecf20Sopenharmony_ci	vpsrlq	$17, XTMP2, XTMP2	# XTMP2 = W[-2] ror 17 {xDxC}
3298c2ecf20Sopenharmony_ci	xor	y1, y0		# y0 = (e>>25) ^ (e>>11) ^ (e>>6)	# S1
3308c2ecf20Sopenharmony_ci	xor	g, y2		# y2 = CH = ((f^g)&e)^g                 # CH
3318c2ecf20Sopenharmony_ci
3328c2ecf20Sopenharmony_ci	vpxor	XTMP3, XTMP2, XTMP2
3338c2ecf20Sopenharmony_ci	rorx	$22, a, y1	# y1 = a >> 22				# S0A
3348c2ecf20Sopenharmony_ci	add	y0, y2		# y2 = S1 + CH                          # --
3358c2ecf20Sopenharmony_ci
3368c2ecf20Sopenharmony_ci	vpxor	XTMP2, XTMP5, XTMP5	# XTMP5 = s1 {xDxC}
3378c2ecf20Sopenharmony_ci	xor	T1, y1		# y1 = (a>>22) ^ (a>>13)		# S0
3388c2ecf20Sopenharmony_ci	add	y2, d		# d = k + w + h + d + S1 + CH = d + t1  # --
3398c2ecf20Sopenharmony_ci
3408c2ecf20Sopenharmony_ci	rorx	$2, a, T1	# T1 = (a >> 2)				# S0
3418c2ecf20Sopenharmony_ci	vpshufb	SHUF_DC00, XTMP5, XTMP5	# XTMP5 = s1 {DC00}
3428c2ecf20Sopenharmony_ci
3438c2ecf20Sopenharmony_ci	vpaddd	XTMP0, XTMP5, X0	# X0 = {W[3], W[2], W[1], W[0]}
3448c2ecf20Sopenharmony_ci	xor	T1, y1		# y1 = (a>>22) ^ (a>>13) ^ (a>>2)	# S0
3458c2ecf20Sopenharmony_ci	mov	a, T1		# T1 = a                                # MAJB
3468c2ecf20Sopenharmony_ci	and	c, T1		# T1 = a&c                              # MAJB
3478c2ecf20Sopenharmony_ci	or	T1, y3		# y3 = MAJ = (a|c)&b)|(a&c)             # MAJ
3488c2ecf20Sopenharmony_ci
3498c2ecf20Sopenharmony_ci	add	y1, h		# h = k + w + h + S0                    # --
3508c2ecf20Sopenharmony_ci	add	y2, h		# h = k + w + h + S0 + S1 + CH = t1 + S0# --
3518c2ecf20Sopenharmony_ci	add	y3, h		# h = t1 + S0 + MAJ                     # --
3528c2ecf20Sopenharmony_ci
3538c2ecf20Sopenharmony_ci	ROTATE_ARGS
3548c2ecf20Sopenharmony_ci	rotate_Xs
3558c2ecf20Sopenharmony_ci.endm
3568c2ecf20Sopenharmony_ci
3578c2ecf20Sopenharmony_ci.macro DO_4ROUNDS disp
3588c2ecf20Sopenharmony_ci################################### RND N + 0 ###########################
3598c2ecf20Sopenharmony_ci
3608c2ecf20Sopenharmony_ci	mov	f, y2		# y2 = f                                # CH
3618c2ecf20Sopenharmony_ci	rorx	$25, e, y0	# y0 = e >> 25				# S1A
3628c2ecf20Sopenharmony_ci	rorx	$11, e, y1	# y1 = e >> 11				# S1B
3638c2ecf20Sopenharmony_ci	xor	g, y2		# y2 = f^g                              # CH
3648c2ecf20Sopenharmony_ci
3658c2ecf20Sopenharmony_ci	xor	y1, y0		# y0 = (e>>25) ^ (e>>11)		# S1
3668c2ecf20Sopenharmony_ci	rorx	$6, e, y1	# y1 = (e >> 6)				# S1
3678c2ecf20Sopenharmony_ci	and	e, y2		# y2 = (f^g)&e                          # CH
3688c2ecf20Sopenharmony_ci
3698c2ecf20Sopenharmony_ci	xor	y1, y0		# y0 = (e>>25) ^ (e>>11) ^ (e>>6)	# S1
3708c2ecf20Sopenharmony_ci	rorx	$13, a, T1	# T1 = a >> 13				# S0B
3718c2ecf20Sopenharmony_ci	xor	g, y2		# y2 = CH = ((f^g)&e)^g                 # CH
3728c2ecf20Sopenharmony_ci	rorx	$22, a, y1	# y1 = a >> 22				# S0A
3738c2ecf20Sopenharmony_ci	mov	a, y3		# y3 = a                                # MAJA
3748c2ecf20Sopenharmony_ci
3758c2ecf20Sopenharmony_ci	xor	T1, y1		# y1 = (a>>22) ^ (a>>13)		# S0
3768c2ecf20Sopenharmony_ci	rorx	$2, a, T1	# T1 = (a >> 2)				# S0
3778c2ecf20Sopenharmony_ci	addl	\disp(%rsp, SRND), h		# h = k + w + h # --
3788c2ecf20Sopenharmony_ci	or	c, y3		# y3 = a|c                              # MAJA
3798c2ecf20Sopenharmony_ci
3808c2ecf20Sopenharmony_ci	xor	T1, y1		# y1 = (a>>22) ^ (a>>13) ^ (a>>2)	# S0
3818c2ecf20Sopenharmony_ci	mov	a, T1		# T1 = a                                # MAJB
3828c2ecf20Sopenharmony_ci	and	b, y3		# y3 = (a|c)&b                          # MAJA
3838c2ecf20Sopenharmony_ci	and	c, T1		# T1 = a&c                              # MAJB
3848c2ecf20Sopenharmony_ci	add	y0, y2		# y2 = S1 + CH                          # --
3858c2ecf20Sopenharmony_ci
3868c2ecf20Sopenharmony_ci
3878c2ecf20Sopenharmony_ci	add	h, d		# d = k + w + h + d                     # --
3888c2ecf20Sopenharmony_ci	or	T1, y3		# y3 = MAJ = (a|c)&b)|(a&c)             # MAJ
3898c2ecf20Sopenharmony_ci	add	y1, h		# h = k + w + h + S0                    # --
3908c2ecf20Sopenharmony_ci	add	y2, d		# d = k + w + h + d + S1 + CH = d + t1  # --
3918c2ecf20Sopenharmony_ci
3928c2ecf20Sopenharmony_ci	ROTATE_ARGS
3938c2ecf20Sopenharmony_ci
3948c2ecf20Sopenharmony_ci################################### RND N + 1 ###########################
3958c2ecf20Sopenharmony_ci
3968c2ecf20Sopenharmony_ci	add	y2, old_h	# h = k + w + h + S0 + S1 + CH = t1 + S0# --
3978c2ecf20Sopenharmony_ci	mov	f, y2		# y2 = f                                # CH
3988c2ecf20Sopenharmony_ci	rorx	$25, e, y0	# y0 = e >> 25				# S1A
3998c2ecf20Sopenharmony_ci	rorx	$11, e, y1	# y1 = e >> 11				# S1B
4008c2ecf20Sopenharmony_ci	xor	g, y2		# y2 = f^g                              # CH
4018c2ecf20Sopenharmony_ci
4028c2ecf20Sopenharmony_ci	xor	y1, y0		# y0 = (e>>25) ^ (e>>11)		# S1
4038c2ecf20Sopenharmony_ci	rorx	$6, e, y1	# y1 = (e >> 6)				# S1
4048c2ecf20Sopenharmony_ci	and	e, y2		# y2 = (f^g)&e                          # CH
4058c2ecf20Sopenharmony_ci	add	y3, old_h	# h = t1 + S0 + MAJ                     # --
4068c2ecf20Sopenharmony_ci
4078c2ecf20Sopenharmony_ci	xor	y1, y0		# y0 = (e>>25) ^ (e>>11) ^ (e>>6)	# S1
4088c2ecf20Sopenharmony_ci	rorx	$13, a, T1	# T1 = a >> 13				# S0B
4098c2ecf20Sopenharmony_ci	xor	g, y2		# y2 = CH = ((f^g)&e)^g                 # CH
4108c2ecf20Sopenharmony_ci	rorx	$22, a, y1	# y1 = a >> 22				# S0A
4118c2ecf20Sopenharmony_ci	mov	a, y3		# y3 = a                                # MAJA
4128c2ecf20Sopenharmony_ci
4138c2ecf20Sopenharmony_ci	xor	T1, y1		# y1 = (a>>22) ^ (a>>13)		# S0
4148c2ecf20Sopenharmony_ci	rorx	$2, a, T1	# T1 = (a >> 2)				# S0
4158c2ecf20Sopenharmony_ci	offset = 4*1 + \disp
4168c2ecf20Sopenharmony_ci	addl	offset(%rsp, SRND), h		# h = k + w + h # --
4178c2ecf20Sopenharmony_ci	or	c, y3		# y3 = a|c                              # MAJA
4188c2ecf20Sopenharmony_ci
4198c2ecf20Sopenharmony_ci	xor	T1, y1		# y1 = (a>>22) ^ (a>>13) ^ (a>>2)	# S0
4208c2ecf20Sopenharmony_ci	mov	a, T1		# T1 = a                                # MAJB
4218c2ecf20Sopenharmony_ci	and	b, y3		# y3 = (a|c)&b                          # MAJA
4228c2ecf20Sopenharmony_ci	and	c, T1		# T1 = a&c                              # MAJB
4238c2ecf20Sopenharmony_ci	add	y0, y2		# y2 = S1 + CH                          # --
4248c2ecf20Sopenharmony_ci
4258c2ecf20Sopenharmony_ci
4268c2ecf20Sopenharmony_ci	add	h, d		# d = k + w + h + d                     # --
4278c2ecf20Sopenharmony_ci	or	T1, y3		# y3 = MAJ = (a|c)&b)|(a&c)             # MAJ
4288c2ecf20Sopenharmony_ci	add	y1, h		# h = k + w + h + S0                    # --
4298c2ecf20Sopenharmony_ci
4308c2ecf20Sopenharmony_ci	add	y2, d		# d = k + w + h + d + S1 + CH = d + t1  # --
4318c2ecf20Sopenharmony_ci
4328c2ecf20Sopenharmony_ci	ROTATE_ARGS
4338c2ecf20Sopenharmony_ci
4348c2ecf20Sopenharmony_ci################################### RND N + 2 ##############################
4358c2ecf20Sopenharmony_ci
4368c2ecf20Sopenharmony_ci	add	y2, old_h	# h = k + w + h + S0 + S1 + CH = t1 + S0# --
4378c2ecf20Sopenharmony_ci	mov	f, y2		# y2 = f                                # CH
4388c2ecf20Sopenharmony_ci	rorx	$25, e, y0	# y0 = e >> 25				# S1A
4398c2ecf20Sopenharmony_ci	rorx	$11, e, y1	# y1 = e >> 11				# S1B
4408c2ecf20Sopenharmony_ci	xor	g, y2		# y2 = f^g                              # CH
4418c2ecf20Sopenharmony_ci
4428c2ecf20Sopenharmony_ci	xor	y1, y0		# y0 = (e>>25) ^ (e>>11)		# S1
4438c2ecf20Sopenharmony_ci	rorx	$6, e, y1	# y1 = (e >> 6)				# S1
4448c2ecf20Sopenharmony_ci	and	e, y2		# y2 = (f^g)&e                          # CH
4458c2ecf20Sopenharmony_ci	add	y3, old_h	# h = t1 + S0 + MAJ                     # --
4468c2ecf20Sopenharmony_ci
4478c2ecf20Sopenharmony_ci	xor	y1, y0		# y0 = (e>>25) ^ (e>>11) ^ (e>>6)	# S1
4488c2ecf20Sopenharmony_ci	rorx	$13, a, T1	# T1 = a >> 13				# S0B
4498c2ecf20Sopenharmony_ci	xor	g, y2		# y2 = CH = ((f^g)&e)^g                 # CH
4508c2ecf20Sopenharmony_ci	rorx	$22, a, y1	# y1 = a >> 22				# S0A
4518c2ecf20Sopenharmony_ci	mov	a, y3		# y3 = a                                # MAJA
4528c2ecf20Sopenharmony_ci
4538c2ecf20Sopenharmony_ci	xor	T1, y1		# y1 = (a>>22) ^ (a>>13)		# S0
4548c2ecf20Sopenharmony_ci	rorx	$2, a, T1	# T1 = (a >> 2)				# S0
4558c2ecf20Sopenharmony_ci	offset = 4*2 + \disp
4568c2ecf20Sopenharmony_ci	addl	offset(%rsp, SRND), h		# h = k + w + h # --
4578c2ecf20Sopenharmony_ci	or	c, y3		# y3 = a|c                              # MAJA
4588c2ecf20Sopenharmony_ci
4598c2ecf20Sopenharmony_ci	xor	T1, y1		# y1 = (a>>22) ^ (a>>13) ^ (a>>2)	# S0
4608c2ecf20Sopenharmony_ci	mov	a, T1		# T1 = a                                # MAJB
4618c2ecf20Sopenharmony_ci	and	b, y3		# y3 = (a|c)&b                          # MAJA
4628c2ecf20Sopenharmony_ci	and	c, T1		# T1 = a&c                              # MAJB
4638c2ecf20Sopenharmony_ci	add	y0, y2		# y2 = S1 + CH                          # --
4648c2ecf20Sopenharmony_ci
4658c2ecf20Sopenharmony_ci
4668c2ecf20Sopenharmony_ci	add	h, d		# d = k + w + h + d                     # --
4678c2ecf20Sopenharmony_ci	or	T1, y3		# y3 = MAJ = (a|c)&b)|(a&c)             # MAJ
4688c2ecf20Sopenharmony_ci	add	y1, h		# h = k + w + h + S0                    # --
4698c2ecf20Sopenharmony_ci
4708c2ecf20Sopenharmony_ci	add	y2, d		# d = k + w + h + d + S1 + CH = d + t1  # --
4718c2ecf20Sopenharmony_ci
4728c2ecf20Sopenharmony_ci	ROTATE_ARGS
4738c2ecf20Sopenharmony_ci
4748c2ecf20Sopenharmony_ci################################### RND N + 3 ###########################
4758c2ecf20Sopenharmony_ci
4768c2ecf20Sopenharmony_ci	add	y2, old_h	# h = k + w + h + S0 + S1 + CH = t1 + S0# --
4778c2ecf20Sopenharmony_ci	mov	f, y2		# y2 = f                                # CH
4788c2ecf20Sopenharmony_ci	rorx	$25, e, y0	# y0 = e >> 25				# S1A
4798c2ecf20Sopenharmony_ci	rorx	$11, e, y1	# y1 = e >> 11				# S1B
4808c2ecf20Sopenharmony_ci	xor	g, y2		# y2 = f^g                              # CH
4818c2ecf20Sopenharmony_ci
4828c2ecf20Sopenharmony_ci	xor	y1, y0		# y0 = (e>>25) ^ (e>>11)		# S1
4838c2ecf20Sopenharmony_ci	rorx	$6, e, y1	# y1 = (e >> 6)				# S1
4848c2ecf20Sopenharmony_ci	and	e, y2		# y2 = (f^g)&e                          # CH
4858c2ecf20Sopenharmony_ci	add	y3, old_h	# h = t1 + S0 + MAJ                     # --
4868c2ecf20Sopenharmony_ci
4878c2ecf20Sopenharmony_ci	xor	y1, y0		# y0 = (e>>25) ^ (e>>11) ^ (e>>6)	# S1
4888c2ecf20Sopenharmony_ci	rorx	$13, a, T1	# T1 = a >> 13				# S0B
4898c2ecf20Sopenharmony_ci	xor	g, y2		# y2 = CH = ((f^g)&e)^g                 # CH
4908c2ecf20Sopenharmony_ci	rorx	$22, a, y1	# y1 = a >> 22				# S0A
4918c2ecf20Sopenharmony_ci	mov	a, y3		# y3 = a                                # MAJA
4928c2ecf20Sopenharmony_ci
4938c2ecf20Sopenharmony_ci	xor	T1, y1		# y1 = (a>>22) ^ (a>>13)		# S0
4948c2ecf20Sopenharmony_ci	rorx	$2, a, T1	# T1 = (a >> 2)				# S0
4958c2ecf20Sopenharmony_ci	offset = 4*3 + \disp
4968c2ecf20Sopenharmony_ci	addl	offset(%rsp, SRND), h		# h = k + w + h # --
4978c2ecf20Sopenharmony_ci	or	c, y3		# y3 = a|c                              # MAJA
4988c2ecf20Sopenharmony_ci
4998c2ecf20Sopenharmony_ci	xor	T1, y1		# y1 = (a>>22) ^ (a>>13) ^ (a>>2)	# S0
5008c2ecf20Sopenharmony_ci	mov	a, T1		# T1 = a                                # MAJB
5018c2ecf20Sopenharmony_ci	and	b, y3		# y3 = (a|c)&b                          # MAJA
5028c2ecf20Sopenharmony_ci	and	c, T1		# T1 = a&c                              # MAJB
5038c2ecf20Sopenharmony_ci	add	y0, y2		# y2 = S1 + CH                          # --
5048c2ecf20Sopenharmony_ci
5058c2ecf20Sopenharmony_ci
5068c2ecf20Sopenharmony_ci	add	h, d		# d = k + w + h + d                     # --
5078c2ecf20Sopenharmony_ci	or	T1, y3		# y3 = MAJ = (a|c)&b)|(a&c)             # MAJ
5088c2ecf20Sopenharmony_ci	add	y1, h		# h = k + w + h + S0                    # --
5098c2ecf20Sopenharmony_ci
5108c2ecf20Sopenharmony_ci	add	y2, d		# d = k + w + h + d + S1 + CH = d + t1  # --
5118c2ecf20Sopenharmony_ci
5128c2ecf20Sopenharmony_ci
5138c2ecf20Sopenharmony_ci	add	y2, h		# h = k + w + h + S0 + S1 + CH = t1 + S0# --
5148c2ecf20Sopenharmony_ci
5158c2ecf20Sopenharmony_ci	add	y3, h		# h = t1 + S0 + MAJ                     # --
5168c2ecf20Sopenharmony_ci
5178c2ecf20Sopenharmony_ci	ROTATE_ARGS
5188c2ecf20Sopenharmony_ci
5198c2ecf20Sopenharmony_ci.endm
5208c2ecf20Sopenharmony_ci
5218c2ecf20Sopenharmony_ci########################################################################
5228c2ecf20Sopenharmony_ci## void sha256_transform_rorx(struct sha256_state *state, const u8 *data, int blocks)
5238c2ecf20Sopenharmony_ci## arg 1 : pointer to state
5248c2ecf20Sopenharmony_ci## arg 2 : pointer to input data
5258c2ecf20Sopenharmony_ci## arg 3 : Num blocks
5268c2ecf20Sopenharmony_ci########################################################################
5278c2ecf20Sopenharmony_ci.text
5288c2ecf20Sopenharmony_ciSYM_FUNC_START(sha256_transform_rorx)
5298c2ecf20Sopenharmony_ci.align 32
5308c2ecf20Sopenharmony_ci	pushq	%rbx
5318c2ecf20Sopenharmony_ci	pushq	%r12
5328c2ecf20Sopenharmony_ci	pushq	%r13
5338c2ecf20Sopenharmony_ci	pushq	%r14
5348c2ecf20Sopenharmony_ci	pushq	%r15
5358c2ecf20Sopenharmony_ci
5368c2ecf20Sopenharmony_ci	mov	%rsp, %rax
5378c2ecf20Sopenharmony_ci	subq	$STACK_SIZE, %rsp
5388c2ecf20Sopenharmony_ci	and	$-32, %rsp	# align rsp to 32 byte boundary
5398c2ecf20Sopenharmony_ci	mov	%rax, _RSP(%rsp)
5408c2ecf20Sopenharmony_ci
5418c2ecf20Sopenharmony_ci
5428c2ecf20Sopenharmony_ci	shl	$6, NUM_BLKS	# convert to bytes
5438c2ecf20Sopenharmony_ci	jz	done_hash
5448c2ecf20Sopenharmony_ci	lea	-64(INP, NUM_BLKS), NUM_BLKS # pointer to last block
5458c2ecf20Sopenharmony_ci	mov	NUM_BLKS, _INP_END(%rsp)
5468c2ecf20Sopenharmony_ci
5478c2ecf20Sopenharmony_ci	cmp	NUM_BLKS, INP
5488c2ecf20Sopenharmony_ci	je	only_one_block
5498c2ecf20Sopenharmony_ci
5508c2ecf20Sopenharmony_ci	## load initial digest
5518c2ecf20Sopenharmony_ci	mov	(CTX), a
5528c2ecf20Sopenharmony_ci	mov	4*1(CTX), b
5538c2ecf20Sopenharmony_ci	mov	4*2(CTX), c
5548c2ecf20Sopenharmony_ci	mov	4*3(CTX), d
5558c2ecf20Sopenharmony_ci	mov	4*4(CTX), e
5568c2ecf20Sopenharmony_ci	mov	4*5(CTX), f
5578c2ecf20Sopenharmony_ci	mov	4*6(CTX), g
5588c2ecf20Sopenharmony_ci	mov	4*7(CTX), h
5598c2ecf20Sopenharmony_ci
5608c2ecf20Sopenharmony_ci	vmovdqa  PSHUFFLE_BYTE_FLIP_MASK(%rip), BYTE_FLIP_MASK
5618c2ecf20Sopenharmony_ci	vmovdqa  _SHUF_00BA(%rip), SHUF_00BA
5628c2ecf20Sopenharmony_ci	vmovdqa  _SHUF_DC00(%rip), SHUF_DC00
5638c2ecf20Sopenharmony_ci
5648c2ecf20Sopenharmony_ci	mov	CTX, _CTX(%rsp)
5658c2ecf20Sopenharmony_ci
5668c2ecf20Sopenharmony_ciloop0:
5678c2ecf20Sopenharmony_ci	## Load first 16 dwords from two blocks
5688c2ecf20Sopenharmony_ci	VMOVDQ	0*32(INP),XTMP0
5698c2ecf20Sopenharmony_ci	VMOVDQ	1*32(INP),XTMP1
5708c2ecf20Sopenharmony_ci	VMOVDQ	2*32(INP),XTMP2
5718c2ecf20Sopenharmony_ci	VMOVDQ	3*32(INP),XTMP3
5728c2ecf20Sopenharmony_ci
5738c2ecf20Sopenharmony_ci	## byte swap data
5748c2ecf20Sopenharmony_ci	vpshufb	BYTE_FLIP_MASK, XTMP0, XTMP0
5758c2ecf20Sopenharmony_ci	vpshufb	BYTE_FLIP_MASK, XTMP1, XTMP1
5768c2ecf20Sopenharmony_ci	vpshufb	BYTE_FLIP_MASK, XTMP2, XTMP2
5778c2ecf20Sopenharmony_ci	vpshufb	BYTE_FLIP_MASK, XTMP3, XTMP3
5788c2ecf20Sopenharmony_ci
5798c2ecf20Sopenharmony_ci	## transpose data into high/low halves
5808c2ecf20Sopenharmony_ci	vperm2i128	$0x20, XTMP2, XTMP0, X0
5818c2ecf20Sopenharmony_ci	vperm2i128	$0x31, XTMP2, XTMP0, X1
5828c2ecf20Sopenharmony_ci	vperm2i128	$0x20, XTMP3, XTMP1, X2
5838c2ecf20Sopenharmony_ci	vperm2i128	$0x31, XTMP3, XTMP1, X3
5848c2ecf20Sopenharmony_ci
5858c2ecf20Sopenharmony_cilast_block_enter:
5868c2ecf20Sopenharmony_ci	add	$64, INP
5878c2ecf20Sopenharmony_ci	mov	INP, _INP(%rsp)
5888c2ecf20Sopenharmony_ci
5898c2ecf20Sopenharmony_ci	## schedule 48 input dwords, by doing 3 rounds of 12 each
5908c2ecf20Sopenharmony_ci	xor	SRND, SRND
5918c2ecf20Sopenharmony_ci
5928c2ecf20Sopenharmony_ci.align 16
5938c2ecf20Sopenharmony_ciloop1:
5948c2ecf20Sopenharmony_ci	vpaddd	K256+0*32(SRND), X0, XFER
5958c2ecf20Sopenharmony_ci	vmovdqa XFER, 0*32+_XFER(%rsp, SRND)
5968c2ecf20Sopenharmony_ci	FOUR_ROUNDS_AND_SCHED	_XFER + 0*32
5978c2ecf20Sopenharmony_ci
5988c2ecf20Sopenharmony_ci	vpaddd	K256+1*32(SRND), X0, XFER
5998c2ecf20Sopenharmony_ci	vmovdqa XFER, 1*32+_XFER(%rsp, SRND)
6008c2ecf20Sopenharmony_ci	FOUR_ROUNDS_AND_SCHED	_XFER + 1*32
6018c2ecf20Sopenharmony_ci
6028c2ecf20Sopenharmony_ci	vpaddd	K256+2*32(SRND), X0, XFER
6038c2ecf20Sopenharmony_ci	vmovdqa XFER, 2*32+_XFER(%rsp, SRND)
6048c2ecf20Sopenharmony_ci	FOUR_ROUNDS_AND_SCHED	_XFER + 2*32
6058c2ecf20Sopenharmony_ci
6068c2ecf20Sopenharmony_ci	vpaddd	K256+3*32(SRND), X0, XFER
6078c2ecf20Sopenharmony_ci	vmovdqa XFER, 3*32+_XFER(%rsp, SRND)
6088c2ecf20Sopenharmony_ci	FOUR_ROUNDS_AND_SCHED	_XFER + 3*32
6098c2ecf20Sopenharmony_ci
6108c2ecf20Sopenharmony_ci	add	$4*32, SRND
6118c2ecf20Sopenharmony_ci	cmp	$3*4*32, SRND
6128c2ecf20Sopenharmony_ci	jb	loop1
6138c2ecf20Sopenharmony_ci
6148c2ecf20Sopenharmony_ciloop2:
6158c2ecf20Sopenharmony_ci	## Do last 16 rounds with no scheduling
6168c2ecf20Sopenharmony_ci	vpaddd	K256+0*32(SRND), X0, XFER
6178c2ecf20Sopenharmony_ci	vmovdqa XFER, 0*32+_XFER(%rsp, SRND)
6188c2ecf20Sopenharmony_ci	DO_4ROUNDS	_XFER + 0*32
6198c2ecf20Sopenharmony_ci
6208c2ecf20Sopenharmony_ci	vpaddd	K256+1*32(SRND), X1, XFER
6218c2ecf20Sopenharmony_ci	vmovdqa XFER, 1*32+_XFER(%rsp, SRND)
6228c2ecf20Sopenharmony_ci	DO_4ROUNDS	_XFER + 1*32
6238c2ecf20Sopenharmony_ci	add	$2*32, SRND
6248c2ecf20Sopenharmony_ci
6258c2ecf20Sopenharmony_ci	vmovdqa	X2, X0
6268c2ecf20Sopenharmony_ci	vmovdqa	X3, X1
6278c2ecf20Sopenharmony_ci
6288c2ecf20Sopenharmony_ci	cmp	$4*4*32, SRND
6298c2ecf20Sopenharmony_ci	jb	loop2
6308c2ecf20Sopenharmony_ci
6318c2ecf20Sopenharmony_ci	mov	_CTX(%rsp), CTX
6328c2ecf20Sopenharmony_ci	mov	_INP(%rsp), INP
6338c2ecf20Sopenharmony_ci
6348c2ecf20Sopenharmony_ci	addm    (4*0)(CTX),a
6358c2ecf20Sopenharmony_ci	addm    (4*1)(CTX),b
6368c2ecf20Sopenharmony_ci	addm    (4*2)(CTX),c
6378c2ecf20Sopenharmony_ci	addm    (4*3)(CTX),d
6388c2ecf20Sopenharmony_ci	addm    (4*4)(CTX),e
6398c2ecf20Sopenharmony_ci	addm    (4*5)(CTX),f
6408c2ecf20Sopenharmony_ci	addm    (4*6)(CTX),g
6418c2ecf20Sopenharmony_ci	addm    (4*7)(CTX),h
6428c2ecf20Sopenharmony_ci
6438c2ecf20Sopenharmony_ci	cmp	_INP_END(%rsp), INP
6448c2ecf20Sopenharmony_ci	ja	done_hash
6458c2ecf20Sopenharmony_ci
6468c2ecf20Sopenharmony_ci	#### Do second block using previously scheduled results
6478c2ecf20Sopenharmony_ci	xor	SRND, SRND
6488c2ecf20Sopenharmony_ci.align 16
6498c2ecf20Sopenharmony_ciloop3:
6508c2ecf20Sopenharmony_ci	DO_4ROUNDS	 _XFER + 0*32 + 16
6518c2ecf20Sopenharmony_ci	DO_4ROUNDS	 _XFER + 1*32 + 16
6528c2ecf20Sopenharmony_ci	add	$2*32, SRND
6538c2ecf20Sopenharmony_ci	cmp	$4*4*32, SRND
6548c2ecf20Sopenharmony_ci	jb	loop3
6558c2ecf20Sopenharmony_ci
6568c2ecf20Sopenharmony_ci	mov	_CTX(%rsp), CTX
6578c2ecf20Sopenharmony_ci	mov	_INP(%rsp), INP
6588c2ecf20Sopenharmony_ci	add	$64, INP
6598c2ecf20Sopenharmony_ci
6608c2ecf20Sopenharmony_ci	addm    (4*0)(CTX),a
6618c2ecf20Sopenharmony_ci	addm    (4*1)(CTX),b
6628c2ecf20Sopenharmony_ci	addm    (4*2)(CTX),c
6638c2ecf20Sopenharmony_ci	addm    (4*3)(CTX),d
6648c2ecf20Sopenharmony_ci	addm    (4*4)(CTX),e
6658c2ecf20Sopenharmony_ci	addm    (4*5)(CTX),f
6668c2ecf20Sopenharmony_ci	addm    (4*6)(CTX),g
6678c2ecf20Sopenharmony_ci	addm    (4*7)(CTX),h
6688c2ecf20Sopenharmony_ci
6698c2ecf20Sopenharmony_ci	cmp	_INP_END(%rsp), INP
6708c2ecf20Sopenharmony_ci	jb	loop0
6718c2ecf20Sopenharmony_ci	ja	done_hash
6728c2ecf20Sopenharmony_ci
6738c2ecf20Sopenharmony_cido_last_block:
6748c2ecf20Sopenharmony_ci	VMOVDQ	0*16(INP),XWORD0
6758c2ecf20Sopenharmony_ci	VMOVDQ	1*16(INP),XWORD1
6768c2ecf20Sopenharmony_ci	VMOVDQ	2*16(INP),XWORD2
6778c2ecf20Sopenharmony_ci	VMOVDQ	3*16(INP),XWORD3
6788c2ecf20Sopenharmony_ci
6798c2ecf20Sopenharmony_ci	vpshufb	X_BYTE_FLIP_MASK, XWORD0, XWORD0
6808c2ecf20Sopenharmony_ci	vpshufb	X_BYTE_FLIP_MASK, XWORD1, XWORD1
6818c2ecf20Sopenharmony_ci	vpshufb	X_BYTE_FLIP_MASK, XWORD2, XWORD2
6828c2ecf20Sopenharmony_ci	vpshufb	X_BYTE_FLIP_MASK, XWORD3, XWORD3
6838c2ecf20Sopenharmony_ci
6848c2ecf20Sopenharmony_ci	jmp	last_block_enter
6858c2ecf20Sopenharmony_ci
6868c2ecf20Sopenharmony_cionly_one_block:
6878c2ecf20Sopenharmony_ci
6888c2ecf20Sopenharmony_ci	## load initial digest
6898c2ecf20Sopenharmony_ci	mov	(4*0)(CTX),a
6908c2ecf20Sopenharmony_ci	mov	(4*1)(CTX),b
6918c2ecf20Sopenharmony_ci	mov	(4*2)(CTX),c
6928c2ecf20Sopenharmony_ci	mov	(4*3)(CTX),d
6938c2ecf20Sopenharmony_ci	mov	(4*4)(CTX),e
6948c2ecf20Sopenharmony_ci	mov	(4*5)(CTX),f
6958c2ecf20Sopenharmony_ci	mov	(4*6)(CTX),g
6968c2ecf20Sopenharmony_ci	mov	(4*7)(CTX),h
6978c2ecf20Sopenharmony_ci
6988c2ecf20Sopenharmony_ci	vmovdqa	PSHUFFLE_BYTE_FLIP_MASK(%rip), BYTE_FLIP_MASK
6998c2ecf20Sopenharmony_ci	vmovdqa	_SHUF_00BA(%rip), SHUF_00BA
7008c2ecf20Sopenharmony_ci	vmovdqa	_SHUF_DC00(%rip), SHUF_DC00
7018c2ecf20Sopenharmony_ci
7028c2ecf20Sopenharmony_ci	mov	CTX, _CTX(%rsp)
7038c2ecf20Sopenharmony_ci	jmp	do_last_block
7048c2ecf20Sopenharmony_ci
7058c2ecf20Sopenharmony_cidone_hash:
7068c2ecf20Sopenharmony_ci
7078c2ecf20Sopenharmony_ci	mov	_RSP(%rsp), %rsp
7088c2ecf20Sopenharmony_ci
7098c2ecf20Sopenharmony_ci	popq	%r15
7108c2ecf20Sopenharmony_ci	popq	%r14
7118c2ecf20Sopenharmony_ci	popq	%r13
7128c2ecf20Sopenharmony_ci	popq	%r12
7138c2ecf20Sopenharmony_ci	popq	%rbx
7148c2ecf20Sopenharmony_ci	RET
7158c2ecf20Sopenharmony_ciSYM_FUNC_END(sha256_transform_rorx)
7168c2ecf20Sopenharmony_ci
7178c2ecf20Sopenharmony_ci.section	.rodata.cst512.K256, "aM", @progbits, 512
7188c2ecf20Sopenharmony_ci.align 64
7198c2ecf20Sopenharmony_ciK256:
7208c2ecf20Sopenharmony_ci	.long	0x428a2f98,0x71374491,0xb5c0fbcf,0xe9b5dba5
7218c2ecf20Sopenharmony_ci	.long	0x428a2f98,0x71374491,0xb5c0fbcf,0xe9b5dba5
7228c2ecf20Sopenharmony_ci	.long	0x3956c25b,0x59f111f1,0x923f82a4,0xab1c5ed5
7238c2ecf20Sopenharmony_ci	.long	0x3956c25b,0x59f111f1,0x923f82a4,0xab1c5ed5
7248c2ecf20Sopenharmony_ci	.long	0xd807aa98,0x12835b01,0x243185be,0x550c7dc3
7258c2ecf20Sopenharmony_ci	.long	0xd807aa98,0x12835b01,0x243185be,0x550c7dc3
7268c2ecf20Sopenharmony_ci	.long	0x72be5d74,0x80deb1fe,0x9bdc06a7,0xc19bf174
7278c2ecf20Sopenharmony_ci	.long	0x72be5d74,0x80deb1fe,0x9bdc06a7,0xc19bf174
7288c2ecf20Sopenharmony_ci	.long	0xe49b69c1,0xefbe4786,0x0fc19dc6,0x240ca1cc
7298c2ecf20Sopenharmony_ci	.long	0xe49b69c1,0xefbe4786,0x0fc19dc6,0x240ca1cc
7308c2ecf20Sopenharmony_ci	.long	0x2de92c6f,0x4a7484aa,0x5cb0a9dc,0x76f988da
7318c2ecf20Sopenharmony_ci	.long	0x2de92c6f,0x4a7484aa,0x5cb0a9dc,0x76f988da
7328c2ecf20Sopenharmony_ci	.long	0x983e5152,0xa831c66d,0xb00327c8,0xbf597fc7
7338c2ecf20Sopenharmony_ci	.long	0x983e5152,0xa831c66d,0xb00327c8,0xbf597fc7
7348c2ecf20Sopenharmony_ci	.long	0xc6e00bf3,0xd5a79147,0x06ca6351,0x14292967
7358c2ecf20Sopenharmony_ci	.long	0xc6e00bf3,0xd5a79147,0x06ca6351,0x14292967
7368c2ecf20Sopenharmony_ci	.long	0x27b70a85,0x2e1b2138,0x4d2c6dfc,0x53380d13
7378c2ecf20Sopenharmony_ci	.long	0x27b70a85,0x2e1b2138,0x4d2c6dfc,0x53380d13
7388c2ecf20Sopenharmony_ci	.long	0x650a7354,0x766a0abb,0x81c2c92e,0x92722c85
7398c2ecf20Sopenharmony_ci	.long	0x650a7354,0x766a0abb,0x81c2c92e,0x92722c85
7408c2ecf20Sopenharmony_ci	.long	0xa2bfe8a1,0xa81a664b,0xc24b8b70,0xc76c51a3
7418c2ecf20Sopenharmony_ci	.long	0xa2bfe8a1,0xa81a664b,0xc24b8b70,0xc76c51a3
7428c2ecf20Sopenharmony_ci	.long	0xd192e819,0xd6990624,0xf40e3585,0x106aa070
7438c2ecf20Sopenharmony_ci	.long	0xd192e819,0xd6990624,0xf40e3585,0x106aa070
7448c2ecf20Sopenharmony_ci	.long	0x19a4c116,0x1e376c08,0x2748774c,0x34b0bcb5
7458c2ecf20Sopenharmony_ci	.long	0x19a4c116,0x1e376c08,0x2748774c,0x34b0bcb5
7468c2ecf20Sopenharmony_ci	.long	0x391c0cb3,0x4ed8aa4a,0x5b9cca4f,0x682e6ff3
7478c2ecf20Sopenharmony_ci	.long	0x391c0cb3,0x4ed8aa4a,0x5b9cca4f,0x682e6ff3
7488c2ecf20Sopenharmony_ci	.long	0x748f82ee,0x78a5636f,0x84c87814,0x8cc70208
7498c2ecf20Sopenharmony_ci	.long	0x748f82ee,0x78a5636f,0x84c87814,0x8cc70208
7508c2ecf20Sopenharmony_ci	.long	0x90befffa,0xa4506ceb,0xbef9a3f7,0xc67178f2
7518c2ecf20Sopenharmony_ci	.long	0x90befffa,0xa4506ceb,0xbef9a3f7,0xc67178f2
7528c2ecf20Sopenharmony_ci
7538c2ecf20Sopenharmony_ci.section	.rodata.cst32.PSHUFFLE_BYTE_FLIP_MASK, "aM", @progbits, 32
7548c2ecf20Sopenharmony_ci.align 32
7558c2ecf20Sopenharmony_ciPSHUFFLE_BYTE_FLIP_MASK:
7568c2ecf20Sopenharmony_ci	.octa 0x0c0d0e0f08090a0b0405060700010203,0x0c0d0e0f08090a0b0405060700010203
7578c2ecf20Sopenharmony_ci
7588c2ecf20Sopenharmony_ci# shuffle xBxA -> 00BA
7598c2ecf20Sopenharmony_ci.section	.rodata.cst32._SHUF_00BA, "aM", @progbits, 32
7608c2ecf20Sopenharmony_ci.align 32
7618c2ecf20Sopenharmony_ci_SHUF_00BA:
7628c2ecf20Sopenharmony_ci	.octa 0xFFFFFFFFFFFFFFFF0b0a090803020100,0xFFFFFFFFFFFFFFFF0b0a090803020100
7638c2ecf20Sopenharmony_ci
7648c2ecf20Sopenharmony_ci# shuffle xDxC -> DC00
7658c2ecf20Sopenharmony_ci.section	.rodata.cst32._SHUF_DC00, "aM", @progbits, 32
7668c2ecf20Sopenharmony_ci.align 32
7678c2ecf20Sopenharmony_ci_SHUF_DC00:
7688c2ecf20Sopenharmony_ci	.octa 0x0b0a090803020100FFFFFFFFFFFFFFFF,0x0b0a090803020100FFFFFFFFFFFFFFFF
769