753 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
			
		
		
	
	
			753 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
| ########################################################################
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| # Implement fast SHA-512 with AVX2 instructions. (x86_64)
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| #
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| # Copyright (C) 2013 Intel Corporation.
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| #
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| # Authors:
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| #     James Guilford <james.guilford@intel.com>
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| #     Kirk Yap <kirk.s.yap@intel.com>
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| #     David Cote <david.m.cote@intel.com>
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| #     Tim Chen <tim.c.chen@linux.intel.com>
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| #
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| # This software is available to you under a choice of one of two
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| # licenses.  You may choose to be licensed under the terms of the GNU
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| # General Public License (GPL) Version 2, available from the file
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| # COPYING in the main directory of this source tree, or the
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| # OpenIB.org BSD license below:
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| #
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| #     Redistribution and use in source and binary forms, with or
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| #     without modification, are permitted provided that the following
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| #     conditions are met:
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| #
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| #      - Redistributions of source code must retain the above
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| #        copyright notice, this list of conditions and the following
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| #        disclaimer.
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| #
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| #      - Redistributions in binary form must reproduce the above
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| #        copyright notice, this list of conditions and the following
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| #        disclaimer in the documentation and/or other materials
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| #        provided with the distribution.
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| #
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| # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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| # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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| # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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| # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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| # BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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| # ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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| # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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| # SOFTWARE.
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| #
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| ########################################################################
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| #
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| # This code is described in an Intel White-Paper:
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| # "Fast SHA-512 Implementations on Intel Architecture Processors"
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| #
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| # To find it, surf to http://www.intel.com/p/en_US/embedded
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| # and search for that title.
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| #
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| ########################################################################
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| # This code schedules 1 blocks at a time, with 4 lanes per block
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| ########################################################################
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| 
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| #ifdef CONFIG_AS_AVX2
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| #include <linux/linkage.h>
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| 
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| .text
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| 
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| # Virtual Registers
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| Y_0 = %ymm4
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| Y_1 = %ymm5
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| Y_2 = %ymm6
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| Y_3 = %ymm7
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| 
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| YTMP0 = %ymm0
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| YTMP1 = %ymm1
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| YTMP2 = %ymm2
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| YTMP3 = %ymm3
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| YTMP4 = %ymm8
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| XFER  = YTMP0
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| 
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| BYTE_FLIP_MASK  = %ymm9
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| 
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| # 1st arg is %rdi, which is saved to the stack and accessed later via %r12
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| CTX1        = %rdi
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| CTX2        = %r12
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| # 2nd arg
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| INP         = %rsi
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| # 3rd arg
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| NUM_BLKS    = %rdx
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| 
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| c           = %rcx
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| d           = %r8
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| e           = %rdx
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| y3          = %rsi
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| 
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| TBL   = %rdi # clobbers CTX1
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| 
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| a     = %rax
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| b     = %rbx
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| 
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| f     = %r9
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| g     = %r10
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| h     = %r11
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| old_h = %r11
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| 
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| T1    = %r12 # clobbers CTX2
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| y0    = %r13
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| y1    = %r14
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| y2    = %r15
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| 
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| # Local variables (stack frame)
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| XFER_SIZE = 4*8
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| SRND_SIZE = 1*8
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| INP_SIZE = 1*8
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| INPEND_SIZE = 1*8
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| CTX_SIZE = 1*8
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| RSPSAVE_SIZE = 1*8
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| GPRSAVE_SIZE = 5*8
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| 
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| frame_XFER = 0
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| frame_SRND = frame_XFER + XFER_SIZE
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| frame_INP = frame_SRND + SRND_SIZE
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| frame_INPEND = frame_INP + INP_SIZE
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| frame_CTX = frame_INPEND + INPEND_SIZE
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| frame_RSPSAVE = frame_CTX + CTX_SIZE
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| frame_GPRSAVE = frame_RSPSAVE + RSPSAVE_SIZE
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| frame_size = frame_GPRSAVE + GPRSAVE_SIZE
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| 
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| ## assume buffers not aligned
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| #define	VMOVDQ vmovdqu
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| 
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| # addm [mem], reg
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| # Add reg to mem using reg-mem add and store
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| .macro addm p1 p2
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| 	add	\p1, \p2
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| 	mov	\p2, \p1
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| .endm
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| 
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| 
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| # COPY_YMM_AND_BSWAP ymm, [mem], byte_flip_mask
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| # Load ymm with mem and byte swap each dword
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| .macro COPY_YMM_AND_BSWAP p1 p2 p3
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| 	VMOVDQ \p2, \p1
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| 	vpshufb \p3, \p1, \p1
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| .endm
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| # rotate_Ys
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| # Rotate values of symbols Y0...Y3
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| .macro rotate_Ys
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| 	Y_ = Y_0
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| 	Y_0 = Y_1
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| 	Y_1 = Y_2
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| 	Y_2 = Y_3
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| 	Y_3 = Y_
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| .endm
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| 
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| # RotateState
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| .macro RotateState
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| 	# Rotate symbols a..h right
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| 	old_h  = h
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| 	TMP_   = h
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| 	h      = g
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| 	g      = f
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| 	f      = e
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| 	e      = d
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| 	d      = c
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| 	c      = b
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| 	b      = a
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| 	a      = TMP_
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| .endm
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| 
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| # macro MY_VPALIGNR	YDST, YSRC1, YSRC2, RVAL
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| # YDST = {YSRC1, YSRC2} >> RVAL*8
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| .macro MY_VPALIGNR YDST YSRC1 YSRC2 RVAL
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| 	vperm2f128      $0x3, \YSRC2, \YSRC1, \YDST     # YDST = {YS1_LO, YS2_HI}
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| 	vpalignr        $\RVAL, \YSRC2, \YDST, \YDST    # YDST = {YDS1, YS2} >> RVAL*8
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| .endm
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| 
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| .macro FOUR_ROUNDS_AND_SCHED
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| ################################### RND N + 0 #########################################
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| 
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| 	# Extract w[t-7]
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| 	MY_VPALIGNR	YTMP0, Y_3, Y_2, 8		# YTMP0 = W[-7]
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| 	# Calculate w[t-16] + w[t-7]
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| 	vpaddq		Y_0, YTMP0, YTMP0		# YTMP0 = W[-7] + W[-16]
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| 	# Extract w[t-15]
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| 	MY_VPALIGNR	YTMP1, Y_1, Y_0, 8		# YTMP1 = W[-15]
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| 
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| 	# Calculate sigma0
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| 
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| 	# Calculate w[t-15] ror 1
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| 	vpsrlq		$1, YTMP1, YTMP2
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| 	vpsllq		$(64-1), YTMP1, YTMP3
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| 	vpor		YTMP2, YTMP3, YTMP3		# YTMP3 = W[-15] ror 1
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| 	# Calculate w[t-15] shr 7
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| 	vpsrlq		$7, YTMP1, YTMP4		# YTMP4 = W[-15] >> 7
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| 
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| 	mov	a, y3		# y3 = a                                # MAJA
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| 	rorx	$41, e, y0	# y0 = e >> 41				# S1A
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| 	rorx	$18, e, y1	# y1 = e >> 18				# S1B
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| 	add	frame_XFER(%rsp),h		# h = k + w + h         # --
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| 	or	c, y3		# y3 = a|c                              # MAJA
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| 	mov	f, y2		# y2 = f                                # CH
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| 	rorx	$34, a, T1	# T1 = a >> 34				# S0B
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| 
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| 	xor	y1, y0		# y0 = (e>>41) ^ (e>>18)		# S1
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| 	xor	g, y2		# y2 = f^g                              # CH
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| 	rorx	$14, e, y1	# y1 = (e >> 14)			# S1
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| 
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| 	and	e, y2		# y2 = (f^g)&e                          # CH
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| 	xor	y1, y0		# y0 = (e>>41) ^ (e>>18) ^ (e>>14)	# S1
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| 	rorx	$39, a, y1	# y1 = a >> 39				# S0A
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| 	add	h, d		# d = k + w + h + d                     # --
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| 
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| 	and	b, y3		# y3 = (a|c)&b                          # MAJA
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| 	xor	T1, y1		# y1 = (a>>39) ^ (a>>34)		# S0
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| 	rorx	$28, a, T1	# T1 = (a >> 28)			# S0
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| 
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| 	xor	g, y2		# y2 = CH = ((f^g)&e)^g                 # CH
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| 	xor	T1, y1		# y1 = (a>>39) ^ (a>>34) ^ (a>>28)	# S0
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| 	mov	a, T1		# T1 = a                                # MAJB
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| 	and	c, T1		# T1 = a&c                              # MAJB
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| 
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| 	add	y0, y2		# y2 = S1 + CH                          # --
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| 	or	T1, y3		# y3 = MAJ = (a|c)&b)|(a&c)             # MAJ
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| 	add	y1, h		# h = k + w + h + S0                    # --
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| 
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| 	add	y2, d		# d = k + w + h + d + S1 + CH = d + t1  # --
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| 
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| 	add	y2, h		# h = k + w + h + S0 + S1 + CH = t1 + S0# --
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| 	add	y3, h		# h = t1 + S0 + MAJ                     # --
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| 
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| 	RotateState
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| 
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| ################################### RND N + 1 #########################################
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| 
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| 	# Calculate w[t-15] ror 8
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| 	vpsrlq		$8, YTMP1, YTMP2
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| 	vpsllq		$(64-8), YTMP1, YTMP1
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| 	vpor		YTMP2, YTMP1, YTMP1		# YTMP1 = W[-15] ror 8
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| 	# XOR the three components
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| 	vpxor		YTMP4, YTMP3, YTMP3		# YTMP3 = W[-15] ror 1 ^ W[-15] >> 7
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| 	vpxor		YTMP1, YTMP3, YTMP1		# YTMP1 = s0
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| 
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| 
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| 	# Add three components, w[t-16], w[t-7] and sigma0
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| 	vpaddq		YTMP1, YTMP0, YTMP0		# YTMP0 = W[-16] + W[-7] + s0
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| 	# Move to appropriate lanes for calculating w[16] and w[17]
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| 	vperm2f128	$0x0, YTMP0, YTMP0, Y_0		# Y_0 = W[-16] + W[-7] + s0 {BABA}
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| 	# Move to appropriate lanes for calculating w[18] and w[19]
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| 	vpand		MASK_YMM_LO(%rip), YTMP0, YTMP0	# YTMP0 = W[-16] + W[-7] + s0 {DC00}
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| 
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| 	# Calculate w[16] and w[17] in both 128 bit lanes
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| 
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| 	# Calculate sigma1 for w[16] and w[17] on both 128 bit lanes
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| 	vperm2f128	$0x11, Y_3, Y_3, YTMP2		# YTMP2 = W[-2] {BABA}
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| 	vpsrlq		$6, YTMP2, YTMP4		# YTMP4 = W[-2] >> 6 {BABA}
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| 
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| 
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| 	mov	a, y3		# y3 = a                                # MAJA
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| 	rorx	$41, e, y0	# y0 = e >> 41				# S1A
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| 	rorx	$18, e, y1	# y1 = e >> 18				# S1B
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| 	add	1*8+frame_XFER(%rsp), h		# h = k + w + h         # --
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| 	or	c, y3		# y3 = a|c                              # MAJA
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| 
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| 
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| 	mov	f, y2		# y2 = f                                # CH
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| 	rorx	$34, a, T1	# T1 = a >> 34				# S0B
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| 	xor	y1, y0		# y0 = (e>>41) ^ (e>>18)		# S1
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| 	xor	g, y2		# y2 = f^g                              # CH
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| 
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| 
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| 	rorx	$14, e, y1	# y1 = (e >> 14)			# S1
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| 	xor	y1, y0		# y0 = (e>>41) ^ (e>>18) ^ (e>>14)	# S1
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| 	rorx	$39, a, y1	# y1 = a >> 39				# S0A
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| 	and	e, y2		# y2 = (f^g)&e                          # CH
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| 	add	h, d		# d = k + w + h + d                     # --
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| 
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| 	and	b, y3		# y3 = (a|c)&b                          # MAJA
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| 	xor	T1, y1		# y1 = (a>>39) ^ (a>>34)		# S0
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| 
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| 	rorx	$28, a, T1	# T1 = (a >> 28)			# S0
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| 	xor	g, y2		# y2 = CH = ((f^g)&e)^g                 # CH
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| 
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| 	xor	T1, y1		# y1 = (a>>39) ^ (a>>34) ^ (a>>28)	# S0
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| 	mov	a, T1		# T1 = a                                # MAJB
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| 	and	c, T1		# T1 = a&c                              # MAJB
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| 	add	y0, y2		# y2 = S1 + CH                          # --
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| 
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| 	or	T1, y3		# y3 = MAJ = (a|c)&b)|(a&c)             # MAJ
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| 	add	y1, h		# h = k + w + h + S0                    # --
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| 
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| 	add	y2, d		# d = k + w + h + d + S1 + CH = d + t1  # --
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| 	add	y2, h		# h = k + w + h + S0 + S1 + CH = t1 + S0# --
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| 	add	y3, h		# h = t1 + S0 + MAJ                     # --
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| 
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| 	RotateState
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| 
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| 
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| ################################### RND N + 2 #########################################
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| 
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| 	vpsrlq		$19, YTMP2, YTMP3		# YTMP3 = W[-2] >> 19 {BABA}
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| 	vpsllq		$(64-19), YTMP2, YTMP1		# YTMP1 = W[-2] << 19 {BABA}
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| 	vpor		YTMP1, YTMP3, YTMP3		# YTMP3 = W[-2] ror 19 {BABA}
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| 	vpxor		YTMP3, YTMP4, YTMP4		# YTMP4 = W[-2] ror 19 ^ W[-2] >> 6 {BABA}
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| 	vpsrlq		$61, YTMP2, YTMP3		# YTMP3 = W[-2] >> 61 {BABA}
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| 	vpsllq		$(64-61), YTMP2, YTMP1		# YTMP1 = W[-2] << 61 {BABA}
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| 	vpor		YTMP1, YTMP3, YTMP3		# YTMP3 = W[-2] ror 61 {BABA}
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| 	vpxor		YTMP3, YTMP4, YTMP4		# YTMP4 = s1 = (W[-2] ror 19) ^
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| 							#  (W[-2] ror 61) ^ (W[-2] >> 6) {BABA}
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| 
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| 	# Add sigma1 to the other compunents to get w[16] and w[17]
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| 	vpaddq		YTMP4, Y_0, Y_0			# Y_0 = {W[1], W[0], W[1], W[0]}
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| 
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| 	# Calculate sigma1 for w[18] and w[19] for upper 128 bit lane
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| 	vpsrlq		$6, Y_0, YTMP4			# YTMP4 = W[-2] >> 6 {DC--}
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| 
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| 	mov	a, y3		# y3 = a                                # MAJA
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| 	rorx	$41, e, y0	# y0 = e >> 41				# S1A
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| 	add	2*8+frame_XFER(%rsp), h		# h = k + w + h         # --
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| 
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| 	rorx	$18, e, y1	# y1 = e >> 18				# S1B
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| 	or	c, y3		# y3 = a|c                              # MAJA
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| 	mov	f, y2		# y2 = f                                # CH
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| 	xor	g, y2		# y2 = f^g                              # CH
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| 
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| 	rorx	$34, a, T1	# T1 = a >> 34				# S0B
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| 	xor	y1, y0		# y0 = (e>>41) ^ (e>>18)		# S1
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| 	and	e, y2		# y2 = (f^g)&e                          # CH
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| 
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| 	rorx	$14, e, y1	# y1 = (e >> 14)			# S1
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| 	add	h, d		# d = k + w + h + d                     # --
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| 	and	b, y3		# y3 = (a|c)&b                          # MAJA
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| 
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| 	xor	y1, y0		# y0 = (e>>41) ^ (e>>18) ^ (e>>14)	# S1
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| 	rorx	$39, a, y1	# y1 = a >> 39				# S0A
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| 	xor	g, y2		# y2 = CH = ((f^g)&e)^g                 # CH
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| 
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| 	xor	T1, y1		# y1 = (a>>39) ^ (a>>34)		# S0
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| 	rorx	$28, a, T1	# T1 = (a >> 28)			# S0
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| 
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| 	xor	T1, y1		# y1 = (a>>39) ^ (a>>34) ^ (a>>28)	# S0
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| 	mov	a, T1		# T1 = a                                # MAJB
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| 	and	c, T1		# T1 = a&c                              # MAJB
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| 	add	y0, y2		# y2 = S1 + CH                          # --
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| 
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| 	or	T1, y3		# y3 = MAJ = (a|c)&b)|(a&c)             # MAJ
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| 	add	y1, h		# h = k + w + h + S0                    # --
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| 	add	y2, d		# d = k + w + h + d + S1 + CH = d + t1  # --
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| 	add	y2, h		# h = k + w + h + S0 + S1 + CH = t1 + S0# --
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| 
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| 	add	y3, h		# h = t1 + S0 + MAJ                     # --
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| 
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| 	RotateState
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| 
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| ################################### RND N + 3 #########################################
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| 
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| 	vpsrlq		$19, Y_0, YTMP3			# YTMP3 = W[-2] >> 19 {DC--}
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| 	vpsllq		$(64-19), Y_0, YTMP1		# YTMP1 = W[-2] << 19 {DC--}
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| 	vpor		YTMP1, YTMP3, YTMP3		# YTMP3 = W[-2] ror 19 {DC--}
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| 	vpxor		YTMP3, YTMP4, YTMP4		# YTMP4 = W[-2] ror 19 ^ W[-2] >> 6 {DC--}
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| 	vpsrlq		$61, Y_0, YTMP3			# YTMP3 = W[-2] >> 61 {DC--}
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| 	vpsllq		$(64-61), Y_0, YTMP1		# YTMP1 = W[-2] << 61 {DC--}
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| 	vpor		YTMP1, YTMP3, YTMP3		# YTMP3 = W[-2] ror 61 {DC--}
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| 	vpxor		YTMP3, YTMP4, YTMP4		# YTMP4 = s1 = (W[-2] ror 19) ^
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| 							#  (W[-2] ror 61) ^ (W[-2] >> 6) {DC--}
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| 
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| 	# Add the sigma0 + w[t-7] + w[t-16] for w[18] and w[19]
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| 	# to newly calculated sigma1 to get w[18] and w[19]
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| 	vpaddq		YTMP4, YTMP0, YTMP2		# YTMP2 = {W[3], W[2], --, --}
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| 
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| 	# Form w[19, w[18], w17], w[16]
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| 	vpblendd		$0xF0, YTMP2, Y_0, Y_0		# Y_0 = {W[3], W[2], W[1], W[0]}
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| 
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| 	mov	a, y3		# y3 = a                                # MAJA
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| 	rorx	$41, e, y0	# y0 = e >> 41				# S1A
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| 	rorx	$18, e, y1	# y1 = e >> 18				# S1B
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| 	add	3*8+frame_XFER(%rsp), h		# h = k + w + h         # --
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| 	or	c, y3		# y3 = a|c                              # MAJA
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| 
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| 
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| 	mov	f, y2		# y2 = f                                # CH
 | |
| 	rorx	$34, a, T1	# T1 = a >> 34				# S0B
 | |
| 	xor	y1, y0		# y0 = (e>>41) ^ (e>>18)		# S1
 | |
| 	xor	g, y2		# y2 = f^g                              # CH
 | |
| 
 | |
| 
 | |
| 	rorx	$14, e, y1	# y1 = (e >> 14)			# S1
 | |
| 	and	e, y2		# y2 = (f^g)&e                          # CH
 | |
| 	add	h, d		# d = k + w + h + d                     # --
 | |
| 	and	b, y3		# y3 = (a|c)&b                          # MAJA
 | |
| 
 | |
| 	xor	y1, y0		# y0 = (e>>41) ^ (e>>18) ^ (e>>14)	# S1
 | |
| 	xor	g, y2		# y2 = CH = ((f^g)&e)^g                 # CH
 | |
| 
 | |
| 	rorx	$39, a, y1	# y1 = a >> 39				# S0A
 | |
| 	add	y0, y2		# y2 = S1 + CH                          # --
 | |
| 
 | |
| 	xor	T1, y1		# y1 = (a>>39) ^ (a>>34)		# S0
 | |
| 	add	y2, d		# d = k + w + h + d + S1 + CH = d + t1  # --
 | |
| 
 | |
| 	rorx	$28, a, T1	# T1 = (a >> 28)			# S0
 | |
| 
 | |
| 	xor	T1, y1		# y1 = (a>>39) ^ (a>>34) ^ (a>>28)	# S0
 | |
| 	mov	a, T1		# T1 = a                                # MAJB
 | |
| 	and	c, T1		# T1 = a&c                              # MAJB
 | |
| 	or	T1, y3		# y3 = MAJ = (a|c)&b)|(a&c)             # MAJ
 | |
| 
 | |
| 	add	y1, h		# h = k + w + h + S0                    # --
 | |
| 	add	y2, h		# h = k + w + h + S0 + S1 + CH = t1 + S0# --
 | |
| 	add	y3, h		# h = t1 + S0 + MAJ                     # --
 | |
| 
 | |
| 	RotateState
 | |
| 
 | |
| 	rotate_Ys
 | |
| .endm
 | |
| 
 | |
| .macro DO_4ROUNDS
 | |
| 
 | |
| ################################### RND N + 0 #########################################
 | |
| 
 | |
| 	mov	f, y2		# y2 = f                                # CH
 | |
| 	rorx	$41, e, y0	# y0 = e >> 41				# S1A
 | |
| 	rorx	$18, e, y1	# y1 = e >> 18				# S1B
 | |
| 	xor	g, y2		# y2 = f^g                              # CH
 | |
| 
 | |
| 	xor	y1, y0		# y0 = (e>>41) ^ (e>>18)		# S1
 | |
| 	rorx	$14, e, y1	# y1 = (e >> 14)			# S1
 | |
| 	and	e, y2		# y2 = (f^g)&e                          # CH
 | |
| 
 | |
| 	xor	y1, y0		# y0 = (e>>41) ^ (e>>18) ^ (e>>14)	# S1
 | |
| 	rorx	$34, a, T1	# T1 = a >> 34				# S0B
 | |
| 	xor	g, y2		# y2 = CH = ((f^g)&e)^g                 # CH
 | |
| 	rorx	$39, a, y1	# y1 = a >> 39				# S0A
 | |
| 	mov	a, y3		# y3 = a                                # MAJA
 | |
| 
 | |
| 	xor	T1, y1		# y1 = (a>>39) ^ (a>>34)		# S0
 | |
| 	rorx	$28, a, T1	# T1 = (a >> 28)			# S0
 | |
| 	add	frame_XFER(%rsp), h		# h = k + w + h         # --
 | |
| 	or	c, y3		# y3 = a|c                              # MAJA
 | |
| 
 | |
| 	xor	T1, y1		# y1 = (a>>39) ^ (a>>34) ^ (a>>28)	# S0
 | |
| 	mov	a, T1		# T1 = a                                # MAJB
 | |
| 	and	b, y3		# y3 = (a|c)&b                          # MAJA
 | |
| 	and	c, T1		# T1 = a&c                              # MAJB
 | |
| 	add	y0, y2		# y2 = S1 + CH                          # --
 | |
| 
 | |
| 	add	h, d		# d = k + w + h + d                     # --
 | |
| 	or	T1, y3		# y3 = MAJ = (a|c)&b)|(a&c)             # MAJ
 | |
| 	add	y1, h		# h = k + w + h + S0                    # --
 | |
| 
 | |
| 	add	y2, d		# d = k + w + h + d + S1 + CH = d + t1  # --
 | |
| 
 | |
| 	RotateState
 | |
| 
 | |
| ################################### RND N + 1 #########################################
 | |
| 
 | |
| 	add	y2, old_h	# h = k + w + h + S0 + S1 + CH = t1 + S0# --
 | |
| 	mov	f, y2		# y2 = f                                # CH
 | |
| 	rorx	$41, e, y0	# y0 = e >> 41				# S1A
 | |
| 	rorx	$18, e, y1	# y1 = e >> 18				# S1B
 | |
| 	xor	g, y2		# y2 = f^g                              # CH
 | |
| 
 | |
| 	xor	y1, y0		# y0 = (e>>41) ^ (e>>18)		# S1
 | |
| 	rorx	$14, e, y1	# y1 = (e >> 14)			# S1
 | |
| 	and	e, y2		# y2 = (f^g)&e                          # CH
 | |
| 	add	y3, old_h	# h = t1 + S0 + MAJ                     # --
 | |
| 
 | |
| 	xor	y1, y0		# y0 = (e>>41) ^ (e>>18) ^ (e>>14)	# S1
 | |
| 	rorx	$34, a, T1	# T1 = a >> 34				# S0B
 | |
| 	xor	g, y2		# y2 = CH = ((f^g)&e)^g                 # CH
 | |
| 	rorx	$39, a, y1	# y1 = a >> 39				# S0A
 | |
| 	mov	a, y3		# y3 = a                                # MAJA
 | |
| 
 | |
| 	xor	T1, y1		# y1 = (a>>39) ^ (a>>34)		# S0
 | |
| 	rorx	$28, a, T1	# T1 = (a >> 28)			# S0
 | |
| 	add	8*1+frame_XFER(%rsp), h		# h = k + w + h         # --
 | |
| 	or	c, y3		# y3 = a|c                              # MAJA
 | |
| 
 | |
| 	xor	T1, y1		# y1 = (a>>39) ^ (a>>34) ^ (a>>28)	# S0
 | |
| 	mov	a, T1		# T1 = a                                # MAJB
 | |
| 	and	b, y3		# y3 = (a|c)&b                          # MAJA
 | |
| 	and	c, T1		# T1 = a&c                              # MAJB
 | |
| 	add	y0, y2		# y2 = S1 + CH                          # --
 | |
| 
 | |
| 	add	h, d		# d = k + w + h + d                     # --
 | |
| 	or	T1, y3		# y3 = MAJ = (a|c)&b)|(a&c)             # MAJ
 | |
| 	add	y1, h		# h = k + w + h + S0                    # --
 | |
| 
 | |
| 	add	y2, d		# d = k + w + h + d + S1 + CH = d + t1  # --
 | |
| 
 | |
| 	RotateState
 | |
| 
 | |
| ################################### RND N + 2 #########################################
 | |
| 
 | |
| 	add	y2, old_h	# h = k + w + h + S0 + S1 + CH = t1 + S0# --
 | |
| 	mov	f, y2		# y2 = f                                # CH
 | |
| 	rorx	$41, e, y0	# y0 = e >> 41				# S1A
 | |
| 	rorx	$18, e, y1	# y1 = e >> 18				# S1B
 | |
| 	xor	g, y2		# y2 = f^g                              # CH
 | |
| 
 | |
| 	xor	y1, y0		# y0 = (e>>41) ^ (e>>18)		# S1
 | |
| 	rorx	$14, e, y1	# y1 = (e >> 14)			# S1
 | |
| 	and	e, y2		# y2 = (f^g)&e                          # CH
 | |
| 	add	y3, old_h	# h = t1 + S0 + MAJ                     # --
 | |
| 
 | |
| 	xor	y1, y0		# y0 = (e>>41) ^ (e>>18) ^ (e>>14)	# S1
 | |
| 	rorx	$34, a, T1	# T1 = a >> 34				# S0B
 | |
| 	xor	g, y2		# y2 = CH = ((f^g)&e)^g                 # CH
 | |
| 	rorx	$39, a, y1	# y1 = a >> 39				# S0A
 | |
| 	mov	a, y3		# y3 = a                                # MAJA
 | |
| 
 | |
| 	xor	T1, y1		# y1 = (a>>39) ^ (a>>34)		# S0
 | |
| 	rorx	$28, a, T1	# T1 = (a >> 28)			# S0
 | |
| 	add	8*2+frame_XFER(%rsp), h		# h = k + w + h         # --
 | |
| 	or	c, y3		# y3 = a|c                              # MAJA
 | |
| 
 | |
| 	xor	T1, y1		# y1 = (a>>39) ^ (a>>34) ^ (a>>28)	# S0
 | |
| 	mov	a, T1		# T1 = a                                # MAJB
 | |
| 	and	b, y3		# y3 = (a|c)&b                          # MAJA
 | |
| 	and	c, T1		# T1 = a&c                              # MAJB
 | |
| 	add	y0, y2		# y2 = S1 + CH                          # --
 | |
| 
 | |
| 	add	h, d		# d = k + w + h + d                     # --
 | |
| 	or	T1, y3		# y3 = MAJ = (a|c)&b)|(a&c)             # MAJ
 | |
| 	add	y1, h		# h = k + w + h + S0                    # --
 | |
| 
 | |
| 	add	y2, d		# d = k + w + h + d + S1 + CH = d + t1  # --
 | |
| 
 | |
| 	RotateState
 | |
| 
 | |
| ################################### RND N + 3 #########################################
 | |
| 
 | |
| 	add	y2, old_h	# h = k + w + h + S0 + S1 + CH = t1 + S0# --
 | |
| 	mov	f, y2		# y2 = f                                # CH
 | |
| 	rorx	$41, e, y0	# y0 = e >> 41				# S1A
 | |
| 	rorx	$18, e, y1	# y1 = e >> 18				# S1B
 | |
| 	xor	g, y2		# y2 = f^g                              # CH
 | |
| 
 | |
| 	xor	y1, y0		# y0 = (e>>41) ^ (e>>18)		# S1
 | |
| 	rorx	$14, e, y1	# y1 = (e >> 14)			# S1
 | |
| 	and	e, y2		# y2 = (f^g)&e                          # CH
 | |
| 	add	y3, old_h	# h = t1 + S0 + MAJ                     # --
 | |
| 
 | |
| 	xor	y1, y0		# y0 = (e>>41) ^ (e>>18) ^ (e>>14)	# S1
 | |
| 	rorx	$34, a, T1	# T1 = a >> 34				# S0B
 | |
| 	xor	g, y2		# y2 = CH = ((f^g)&e)^g                 # CH
 | |
| 	rorx	$39, a, y1	# y1 = a >> 39				# S0A
 | |
| 	mov	a, y3		# y3 = a                                # MAJA
 | |
| 
 | |
| 	xor	T1, y1		# y1 = (a>>39) ^ (a>>34)		# S0
 | |
| 	rorx	$28, a, T1	# T1 = (a >> 28)			# S0
 | |
| 	add	8*3+frame_XFER(%rsp), h		# h = k + w + h         # --
 | |
| 	or	c, y3		# y3 = a|c                              # MAJA
 | |
| 
 | |
| 	xor	T1, y1		# y1 = (a>>39) ^ (a>>34) ^ (a>>28)	# S0
 | |
| 	mov	a, T1		# T1 = a                                # MAJB
 | |
| 	and	b, y3		# y3 = (a|c)&b                          # MAJA
 | |
| 	and	c, T1		# T1 = a&c                              # MAJB
 | |
| 	add	y0, y2		# y2 = S1 + CH                          # --
 | |
| 
 | |
| 
 | |
| 	add	h, d		# d = k + w + h + d                     # --
 | |
| 	or	T1, y3		# y3 = MAJ = (a|c)&b)|(a&c)             # MAJ
 | |
| 	add	y1, h		# h = k + w + h + S0                    # --
 | |
| 
 | |
| 	add	y2, d		# d = k + w + h + d + S1 + CH = d + t1  # --
 | |
| 
 | |
| 	add	y2, h		# h = k + w + h + S0 + S1 + CH = t1 + S0# --
 | |
| 
 | |
| 	add	y3, h		# h = t1 + S0 + MAJ                     # --
 | |
| 
 | |
| 	RotateState
 | |
| 
 | |
| .endm
 | |
| 
 | |
| ########################################################################
 | |
| # void sha512_transform_rorx(void* D, const void* M, uint64_t L)#
 | |
| # Purpose: Updates the SHA512 digest stored at D with the message stored in M.
 | |
| # The size of the message pointed to by M must be an integer multiple of SHA512
 | |
| #   message blocks.
 | |
| # L is the message length in SHA512 blocks
 | |
| ########################################################################
 | |
| SYM_FUNC_START(sha512_transform_rorx)
 | |
| 	# Allocate Stack Space
 | |
| 	mov	%rsp, %rax
 | |
| 	sub	$frame_size, %rsp
 | |
| 	and	$~(0x20 - 1), %rsp
 | |
| 	mov	%rax, frame_RSPSAVE(%rsp)
 | |
| 
 | |
| 	# Save GPRs
 | |
| 	mov	%rbx, 8*0+frame_GPRSAVE(%rsp)
 | |
| 	mov	%r12, 8*1+frame_GPRSAVE(%rsp)
 | |
| 	mov	%r13, 8*2+frame_GPRSAVE(%rsp)
 | |
| 	mov	%r14, 8*3+frame_GPRSAVE(%rsp)
 | |
| 	mov	%r15, 8*4+frame_GPRSAVE(%rsp)
 | |
| 
 | |
| 	shl	$7, NUM_BLKS	# convert to bytes
 | |
| 	jz	done_hash
 | |
| 	add	INP, NUM_BLKS	# pointer to end of data
 | |
| 	mov	NUM_BLKS, frame_INPEND(%rsp)
 | |
| 
 | |
| 	## load initial digest
 | |
| 	mov	8*0(CTX1), a
 | |
| 	mov	8*1(CTX1), b
 | |
| 	mov	8*2(CTX1), c
 | |
| 	mov	8*3(CTX1), d
 | |
| 	mov	8*4(CTX1), e
 | |
| 	mov	8*5(CTX1), f
 | |
| 	mov	8*6(CTX1), g
 | |
| 	mov	8*7(CTX1), h
 | |
| 
 | |
| 	# save %rdi (CTX) before it gets clobbered
 | |
| 	mov	%rdi, frame_CTX(%rsp)
 | |
| 
 | |
| 	vmovdqa	PSHUFFLE_BYTE_FLIP_MASK(%rip), BYTE_FLIP_MASK
 | |
| 
 | |
| loop0:
 | |
| 	lea	K512(%rip), TBL
 | |
| 
 | |
| 	## byte swap first 16 dwords
 | |
| 	COPY_YMM_AND_BSWAP	Y_0, (INP), BYTE_FLIP_MASK
 | |
| 	COPY_YMM_AND_BSWAP	Y_1, 1*32(INP), BYTE_FLIP_MASK
 | |
| 	COPY_YMM_AND_BSWAP	Y_2, 2*32(INP), BYTE_FLIP_MASK
 | |
| 	COPY_YMM_AND_BSWAP	Y_3, 3*32(INP), BYTE_FLIP_MASK
 | |
| 
 | |
| 	mov	INP, frame_INP(%rsp)
 | |
| 
 | |
| 	## schedule 64 input dwords, by doing 12 rounds of 4 each
 | |
| 	movq	$4, frame_SRND(%rsp)
 | |
| 
 | |
| .align 16
 | |
| loop1:
 | |
| 	vpaddq	(TBL), Y_0, XFER
 | |
| 	vmovdqa XFER, frame_XFER(%rsp)
 | |
| 	FOUR_ROUNDS_AND_SCHED
 | |
| 
 | |
| 	vpaddq	1*32(TBL), Y_0, XFER
 | |
| 	vmovdqa XFER, frame_XFER(%rsp)
 | |
| 	FOUR_ROUNDS_AND_SCHED
 | |
| 
 | |
| 	vpaddq	2*32(TBL), Y_0, XFER
 | |
| 	vmovdqa XFER, frame_XFER(%rsp)
 | |
| 	FOUR_ROUNDS_AND_SCHED
 | |
| 
 | |
| 	vpaddq	3*32(TBL), Y_0, XFER
 | |
| 	vmovdqa XFER, frame_XFER(%rsp)
 | |
| 	add	$(4*32), TBL
 | |
| 	FOUR_ROUNDS_AND_SCHED
 | |
| 
 | |
| 	subq	$1, frame_SRND(%rsp)
 | |
| 	jne	loop1
 | |
| 
 | |
| 	movq	$2, frame_SRND(%rsp)
 | |
| loop2:
 | |
| 	vpaddq	(TBL), Y_0, XFER
 | |
| 	vmovdqa XFER, frame_XFER(%rsp)
 | |
| 	DO_4ROUNDS
 | |
| 	vpaddq	1*32(TBL), Y_1, XFER
 | |
| 	vmovdqa XFER, frame_XFER(%rsp)
 | |
| 	add	$(2*32), TBL
 | |
| 	DO_4ROUNDS
 | |
| 
 | |
| 	vmovdqa	Y_2, Y_0
 | |
| 	vmovdqa	Y_3, Y_1
 | |
| 
 | |
| 	subq	$1, frame_SRND(%rsp)
 | |
| 	jne	loop2
 | |
| 
 | |
| 	mov	frame_CTX(%rsp), CTX2
 | |
| 	addm	8*0(CTX2), a
 | |
| 	addm	8*1(CTX2), b
 | |
| 	addm	8*2(CTX2), c
 | |
| 	addm	8*3(CTX2), d
 | |
| 	addm	8*4(CTX2), e
 | |
| 	addm	8*5(CTX2), f
 | |
| 	addm	8*6(CTX2), g
 | |
| 	addm	8*7(CTX2), h
 | |
| 
 | |
| 	mov	frame_INP(%rsp), INP
 | |
| 	add	$128, INP
 | |
| 	cmp	frame_INPEND(%rsp), INP
 | |
| 	jne	loop0
 | |
| 
 | |
| done_hash:
 | |
| 
 | |
| # Restore GPRs
 | |
| 	mov	8*0+frame_GPRSAVE(%rsp), %rbx
 | |
| 	mov	8*1+frame_GPRSAVE(%rsp), %r12
 | |
| 	mov	8*2+frame_GPRSAVE(%rsp), %r13
 | |
| 	mov	8*3+frame_GPRSAVE(%rsp), %r14
 | |
| 	mov	8*4+frame_GPRSAVE(%rsp), %r15
 | |
| 
 | |
| 	# Restore Stack Pointer
 | |
| 	mov	frame_RSPSAVE(%rsp), %rsp
 | |
| 	RET
 | |
| SYM_FUNC_END(sha512_transform_rorx)
 | |
| 
 | |
| ########################################################################
 | |
| ### Binary Data
 | |
| 
 | |
| 
 | |
| # Mergeable 640-byte rodata section. This allows linker to merge the table
 | |
| # with other, exactly the same 640-byte fragment of another rodata section
 | |
| # (if such section exists).
 | |
| .section	.rodata.cst640.K512, "aM", @progbits, 640
 | |
| .align 64
 | |
| # K[t] used in SHA512 hashing
 | |
| K512:
 | |
| 	.quad	0x428a2f98d728ae22,0x7137449123ef65cd
 | |
| 	.quad	0xb5c0fbcfec4d3b2f,0xe9b5dba58189dbbc
 | |
| 	.quad	0x3956c25bf348b538,0x59f111f1b605d019
 | |
| 	.quad	0x923f82a4af194f9b,0xab1c5ed5da6d8118
 | |
| 	.quad	0xd807aa98a3030242,0x12835b0145706fbe
 | |
| 	.quad	0x243185be4ee4b28c,0x550c7dc3d5ffb4e2
 | |
| 	.quad	0x72be5d74f27b896f,0x80deb1fe3b1696b1
 | |
| 	.quad	0x9bdc06a725c71235,0xc19bf174cf692694
 | |
| 	.quad	0xe49b69c19ef14ad2,0xefbe4786384f25e3
 | |
| 	.quad	0x0fc19dc68b8cd5b5,0x240ca1cc77ac9c65
 | |
| 	.quad	0x2de92c6f592b0275,0x4a7484aa6ea6e483
 | |
| 	.quad	0x5cb0a9dcbd41fbd4,0x76f988da831153b5
 | |
| 	.quad	0x983e5152ee66dfab,0xa831c66d2db43210
 | |
| 	.quad	0xb00327c898fb213f,0xbf597fc7beef0ee4
 | |
| 	.quad	0xc6e00bf33da88fc2,0xd5a79147930aa725
 | |
| 	.quad	0x06ca6351e003826f,0x142929670a0e6e70
 | |
| 	.quad	0x27b70a8546d22ffc,0x2e1b21385c26c926
 | |
| 	.quad	0x4d2c6dfc5ac42aed,0x53380d139d95b3df
 | |
| 	.quad	0x650a73548baf63de,0x766a0abb3c77b2a8
 | |
| 	.quad	0x81c2c92e47edaee6,0x92722c851482353b
 | |
| 	.quad	0xa2bfe8a14cf10364,0xa81a664bbc423001
 | |
| 	.quad	0xc24b8b70d0f89791,0xc76c51a30654be30
 | |
| 	.quad	0xd192e819d6ef5218,0xd69906245565a910
 | |
| 	.quad	0xf40e35855771202a,0x106aa07032bbd1b8
 | |
| 	.quad	0x19a4c116b8d2d0c8,0x1e376c085141ab53
 | |
| 	.quad	0x2748774cdf8eeb99,0x34b0bcb5e19b48a8
 | |
| 	.quad	0x391c0cb3c5c95a63,0x4ed8aa4ae3418acb
 | |
| 	.quad	0x5b9cca4f7763e373,0x682e6ff3d6b2b8a3
 | |
| 	.quad	0x748f82ee5defb2fc,0x78a5636f43172f60
 | |
| 	.quad	0x84c87814a1f0ab72,0x8cc702081a6439ec
 | |
| 	.quad	0x90befffa23631e28,0xa4506cebde82bde9
 | |
| 	.quad	0xbef9a3f7b2c67915,0xc67178f2e372532b
 | |
| 	.quad	0xca273eceea26619c,0xd186b8c721c0c207
 | |
| 	.quad	0xeada7dd6cde0eb1e,0xf57d4f7fee6ed178
 | |
| 	.quad	0x06f067aa72176fba,0x0a637dc5a2c898a6
 | |
| 	.quad	0x113f9804bef90dae,0x1b710b35131c471b
 | |
| 	.quad	0x28db77f523047d84,0x32caab7b40c72493
 | |
| 	.quad	0x3c9ebe0a15c9bebc,0x431d67c49c100d4c
 | |
| 	.quad	0x4cc5d4becb3e42b6,0x597f299cfc657e2a
 | |
| 	.quad	0x5fcb6fab3ad6faec,0x6c44198c4a475817
 | |
| 
 | |
| .section	.rodata.cst32.PSHUFFLE_BYTE_FLIP_MASK, "aM", @progbits, 32
 | |
| .align 32
 | |
| # Mask for byte-swapping a couple of qwords in an XMM register using (v)pshufb.
 | |
| PSHUFFLE_BYTE_FLIP_MASK:
 | |
| 	.octa 0x08090a0b0c0d0e0f0001020304050607
 | |
| 	.octa 0x18191a1b1c1d1e1f1011121314151617
 | |
| 
 | |
| .section	.rodata.cst32.MASK_YMM_LO, "aM", @progbits, 32
 | |
| .align 32
 | |
| MASK_YMM_LO:
 | |
| 	.octa 0x00000000000000000000000000000000
 | |
| 	.octa 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
 | |
| 
 | |
| #endif
 |