CoCalc -- serpent-sse2-i586-asm

GitHub Repository: torvalds/linux
Path: blob/master/arch/x86/crypto/serpent-sse2-i586-asm_32.S
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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 * Serpent Cipher 4-way parallel algorithm (i586/SSE2)
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 *
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 * Copyright (C) 2011 Jussi Kivilinna <[email protected]>
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 *
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 * Based on crypto/serpent.c by
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 *  Copyright (C) 2002 Dag Arne Osvik <[email protected]>
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 *                2003 Herbert Valerio Riedel <[email protected]>
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 */
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#include <linux/linkage.h>
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.file "serpent-sse2-i586-asm_32.S"
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.text
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#define arg_ctx 4
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#define arg_dst 8
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#define arg_src 12
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#define arg_xor 16
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/**********************************************************************
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  4-way SSE2 serpent
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 **********************************************************************/
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#define CTX %edx
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#define RA %xmm0
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#define RB %xmm1
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#define RC %xmm2
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#define RD %xmm3
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#define RE %xmm4
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#define RT0 %xmm5
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#define RT1 %xmm6
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#define RNOT %xmm7
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#define get_key(i, j, t) \
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	movd (4*(i)+(j))*4(CTX), t; \
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	pshufd $0, t, t;
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#define K(x0, x1, x2, x3, x4, i) \
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	get_key(i, 0, x4); \
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	get_key(i, 1, RT0); \
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	get_key(i, 2, RT1); \
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	pxor x4,		x0; \
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	pxor RT0,		x1; \
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	pxor RT1,		x2; \
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	get_key(i, 3, x4); \
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	pxor x4,		x3;
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#define LK(x0, x1, x2, x3, x4, i) \
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	movdqa x0,		x4; \
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	pslld $13,		x0; \
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	psrld $(32 - 13),	x4; \
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	por x4,			x0; \
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	pxor x0,		x1; \
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	movdqa x2,		x4; \
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	pslld $3,		x2; \
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	psrld $(32 - 3),	x4; \
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	por x4,			x2; \
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	pxor x2,		x1; \
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	movdqa x1,		x4; \
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	pslld $1,		x1; \
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	psrld $(32 - 1),	x4; \
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	por x4,			x1; \
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	movdqa x0,		x4; \
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	pslld $3,		x4; \
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	pxor x2,		x3; \
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	pxor x4,		x3; \
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	movdqa x3,		x4; \
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	pslld $7,		x3; \
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	psrld $(32 - 7),	x4; \
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	por x4,			x3; \
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	movdqa x1,		x4; \
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	pslld $7,		x4; \
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	pxor x1,		x0; \
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	pxor x3,		x0; \
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	pxor x3,		x2; \
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	pxor x4,		x2; \
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	movdqa x0,		x4; \
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	get_key(i, 1, RT0); \
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	pxor RT0,		x1; \
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	get_key(i, 3, RT0); \
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	pxor RT0,		x3; \
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	pslld $5,		x0; \
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	psrld $(32 - 5),	x4; \
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	por x4,			x0; \
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	movdqa x2,		x4; \
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	pslld $22,		x2; \
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	psrld $(32 - 22),	x4; \
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	por x4,			x2; \
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	get_key(i, 0, RT0); \
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	pxor RT0,		x0; \
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	get_key(i, 2, RT0); \
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	pxor RT0,		x2;
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#define KL(x0, x1, x2, x3, x4, i) \
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	K(x0, x1, x2, x3, x4, i); \
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	movdqa x0,		x4; \
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	psrld $5,		x0; \
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	pslld $(32 - 5),	x4; \
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	por x4,			x0; \
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	movdqa x2,		x4; \
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	psrld $22,		x2; \
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	pslld $(32 - 22),	x4; \
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	por x4,			x2; \
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	pxor x3,		x2; \
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	pxor x3,		x0; \
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	movdqa x1,		x4; \
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	pslld $7,		x4; \
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	pxor x1,		x0; \
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	pxor x4,		x2; \
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	movdqa x1,		x4; \
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	psrld $1,		x1; \
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	pslld $(32 - 1),	x4; \
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	por x4,			x1; \
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	movdqa x3,		x4; \
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	psrld $7,		x3; \
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	pslld $(32 - 7),	x4; \
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	por x4,			x3; \
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	pxor x0,		x1; \
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	movdqa x0,		x4; \
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	pslld $3,		x4; \
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	pxor x4,		x3; \
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	movdqa x0,		x4; \
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	psrld $13,		x0; \
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	pslld $(32 - 13),	x4; \
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	por x4,			x0; \
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	pxor x2,		x1; \
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	pxor x2,		x3; \
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	movdqa x2,		x4; \
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	psrld $3,		x2; \
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	pslld $(32 - 3),	x4; \
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	por x4,			x2;
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#define S0(x0, x1, x2, x3, x4) \
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	movdqa x3,		x4; \
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	por x0,			x3; \
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	pxor x4,		x0; \
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	pxor x2,		x4; \
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	pxor RNOT,		x4; \
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	pxor x1,		x3; \
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	pand x0,		x1; \
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	pxor x4,		x1; \
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	pxor x0,		x2; \
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	pxor x3,		x0; \
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	por x0,			x4; \
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	pxor x2,		x0; \
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	pand x1,		x2; \
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	pxor x2,		x3; \
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	pxor RNOT,		x1; \
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	pxor x4,		x2; \
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	pxor x2,		x1;
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#define S1(x0, x1, x2, x3, x4) \
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	movdqa x1,		x4; \
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	pxor x0,		x1; \
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	pxor x3,		x0; \
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	pxor RNOT,		x3; \
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	pand x1,		x4; \
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	por x1,			x0; \
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	pxor x2,		x3; \
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	pxor x3,		x0; \
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	pxor x3,		x1; \
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	pxor x4,		x3; \
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	por x4,			x1; \
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	pxor x2,		x4; \
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	pand x0,		x2; \
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	pxor x1,		x2; \
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	por x0,			x1; \
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	pxor RNOT,		x0; \
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	pxor x2,		x0; \
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	pxor x1,		x4;
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#define S2(x0, x1, x2, x3, x4) \
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	pxor RNOT,		x3; \
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	pxor x0,		x1; \
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	movdqa x0,		x4; \
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	pand x2,		x0; \
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	pxor x3,		x0; \
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	por x4,			x3; \
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	pxor x1,		x2; \
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	pxor x1,		x3; \
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	pand x0,		x1; \
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	pxor x2,		x0; \
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	pand x3,		x2; \
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	por x1,			x3; \
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	pxor RNOT,		x0; \
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	pxor x0,		x3; \
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	pxor x0,		x4; \
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	pxor x2,		x0; \
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	por x2,			x1;
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#define S3(x0, x1, x2, x3, x4) \
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	movdqa x1,		x4; \
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	pxor x3,		x1; \
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	por x0,			x3; \
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	pand x0,		x4; \
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	pxor x2,		x0; \
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	pxor x1,		x2; \
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	pand x3,		x1; \
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	pxor x3,		x2; \
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	por x4,			x0; \
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	pxor x3,		x4; \
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	pxor x0,		x1; \
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	pand x3,		x0; \
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	pand x4,		x3; \
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	pxor x2,		x3; \
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	por x1,			x4; \
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	pand x1,		x2; \
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	pxor x3,		x4; \
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	pxor x3,		x0; \
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	pxor x2,		x3;
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#define S4(x0, x1, x2, x3, x4) \
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	movdqa x3,		x4; \
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	pand x0,		x3; \
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	pxor x4,		x0; \
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	pxor x2,		x3; \
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	por x4,			x2; \
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	pxor x1,		x0; \
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	pxor x3,		x4; \
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	por x0,			x2; \
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	pxor x1,		x2; \
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	pand x0,		x1; \
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	pxor x4,		x1; \
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	pand x2,		x4; \
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	pxor x3,		x2; \
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	pxor x0,		x4; \
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	por x1,			x3; \
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	pxor RNOT,		x1; \
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	pxor x0,		x3;
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#define S5(x0, x1, x2, x3, x4) \
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	movdqa x1,		x4; \
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	por x0,			x1; \
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	pxor x1,		x2; \
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	pxor RNOT,		x3; \
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	pxor x0,		x4; \
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	pxor x2,		x0; \
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	pand x4,		x1; \
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	por x3,			x4; \
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	pxor x0,		x4; \
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	pand x3,		x0; \
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	pxor x3,		x1; \
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	pxor x2,		x3; \
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	pxor x1,		x0; \
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	pand x4,		x2; \
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	pxor x2,		x1; \
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	pand x0,		x2; \
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	pxor x2,		x3;
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#define S6(x0, x1, x2, x3, x4) \
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	movdqa x1,		x4; \
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	pxor x0,		x3; \
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	pxor x2,		x1; \
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	pxor x0,		x2; \
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	pand x3,		x0; \
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	por x3,			x1; \
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	pxor RNOT,		x4; \
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	pxor x1,		x0; \
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	pxor x2,		x1; \
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	pxor x4,		x3; \
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	pxor x0,		x4; \
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	pand x0,		x2; \
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	pxor x1,		x4; \
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	pxor x3,		x2; \
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	pand x1,		x3; \
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	pxor x0,		x3; \
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	pxor x2,		x1;
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#define S7(x0, x1, x2, x3, x4) \
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	pxor RNOT,		x1; \
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	movdqa x1,		x4; \
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	pxor RNOT,		x0; \
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	pand x2,		x1; \
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	pxor x3,		x1; \
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	por x4,			x3; \
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	pxor x2,		x4; \
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	pxor x3,		x2; \
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	pxor x0,		x3; \
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	por x1,			x0; \
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	pand x0,		x2; \
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	pxor x4,		x0; \
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	pxor x3,		x4; \
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	pand x0,		x3; \
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	pxor x1,		x4; \
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	pxor x4,		x2; \
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	pxor x1,		x3; \
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	por x0,			x4; \
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	pxor x1,		x4;
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#define SI0(x0, x1, x2, x3, x4) \
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	movdqa x3,		x4; \
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	pxor x0,		x1; \
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	por x1,			x3; \
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	pxor x1,		x4; \
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	pxor RNOT,		x0; \
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	pxor x3,		x2; \
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	pxor x0,		x3; \
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	pand x1,		x0; \
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	pxor x2,		x0; \
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	pand x3,		x2; \
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	pxor x4,		x3; \
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	pxor x3,		x2; \
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	pxor x3,		x1; \
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	pand x0,		x3; \
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	pxor x0,		x1; \
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	pxor x2,		x0; \
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	pxor x3,		x4;
312

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#define SI1(x0, x1, x2, x3, x4) \
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	pxor x3,		x1; \
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	movdqa x0,		x4; \
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	pxor x2,		x0; \
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	pxor RNOT,		x2; \
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	por x1,			x4; \
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	pxor x3,		x4; \
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	pand x1,		x3; \
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	pxor x2,		x1; \
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	pand x4,		x2; \
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	pxor x1,		x4; \
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	por x3,			x1; \
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	pxor x0,		x3; \
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	pxor x0,		x2; \
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	por x4,			x0; \
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	pxor x4,		x2; \
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	pxor x0,		x1; \
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	pxor x1,		x4;
331

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#define SI2(x0, x1, x2, x3, x4) \
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	pxor x1,		x2; \
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	movdqa x3,		x4; \
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	pxor RNOT,		x3; \
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	por x2,			x3; \
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	pxor x4,		x2; \
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	pxor x0,		x4; \
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	pxor x1,		x3; \
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	por x2,			x1; \
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	pxor x0,		x2; \
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	pxor x4,		x1; \
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	por x3,			x4; \
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	pxor x3,		x2; \
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	pxor x2,		x4; \
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	pand x1,		x2; \
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	pxor x3,		x2; \
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	pxor x4,		x3; \
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	pxor x0,		x4;
350

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#define SI3(x0, x1, x2, x3, x4) \
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	pxor x1,		x2; \
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	movdqa x1,		x4; \
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	pand x2,		x1; \
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	pxor x0,		x1; \
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	por x4,			x0; \
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	pxor x3,		x4; \
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	pxor x3,		x0; \
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	por x1,			x3; \
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	pxor x2,		x1; \
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	pxor x3,		x1; \
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	pxor x2,		x0; \
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	pxor x3,		x2; \
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	pand x1,		x3; \
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	pxor x0,		x1; \
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	pand x2,		x0; \
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	pxor x3,		x4; \
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	pxor x0,		x3; \
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	pxor x1,		x0;
370

371
#define SI4(x0, x1, x2, x3, x4) \
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	pxor x3,		x2; \
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	movdqa x0,		x4; \
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	pand x1,		x0; \
375
	pxor x2,		x0; \
376
	por x3,			x2; \
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	pxor RNOT,		x4; \
378
	pxor x0,		x1; \
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	pxor x2,		x0; \
380
	pand x4,		x2; \
381
	pxor x0,		x2; \
382
	por x4,			x0; \
383
	pxor x3,		x0; \
384
	pand x2,		x3; \
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	pxor x3,		x4; \
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	pxor x1,		x3; \
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	pand x0,		x1; \
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	pxor x1,		x4; \
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	pxor x3,		x0;
390

391
#define SI5(x0, x1, x2, x3, x4) \
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	movdqa x1,		x4; \
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	por x2,			x1; \
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	pxor x4,		x2; \
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	pxor x3,		x1; \
396
	pand x4,		x3; \
397
	pxor x3,		x2; \
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	por x0,			x3; \
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	pxor RNOT,		x0; \
400
	pxor x2,		x3; \
401
	por x0,			x2; \
402
	pxor x1,		x4; \
403
	pxor x4,		x2; \
404
	pand x0,		x4; \
405
	pxor x1,		x0; \
406
	pxor x3,		x1; \
407
	pand x2,		x0; \
408
	pxor x3,		x2; \
409
	pxor x2,		x0; \
410
	pxor x4,		x2; \
411
	pxor x3,		x4;
412

413
#define SI6(x0, x1, x2, x3, x4) \
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	pxor x2,		x0; \
415
	movdqa x0,		x4; \
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	pand x3,		x0; \
417
	pxor x3,		x2; \
418
	pxor x2,		x0; \
419
	pxor x1,		x3; \
420
	por x4,			x2; \
421
	pxor x3,		x2; \
422
	pand x0,		x3; \
423
	pxor RNOT,		x0; \
424
	pxor x1,		x3; \
425
	pand x2,		x1; \
426
	pxor x0,		x4; \
427
	pxor x4,		x3; \
428
	pxor x2,		x4; \
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	pxor x1,		x0; \
430
	pxor x0,		x2;
431

432
#define SI7(x0, x1, x2, x3, x4) \
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	movdqa x3,		x4; \
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	pand x0,		x3; \
435
	pxor x2,		x0; \
436
	por x4,			x2; \
437
	pxor x1,		x4; \
438
	pxor RNOT,		x0; \
439
	por x3,			x1; \
440
	pxor x0,		x4; \
441
	pand x2,		x0; \
442
	pxor x1,		x0; \
443
	pand x2,		x1; \
444
	pxor x2,		x3; \
445
	pxor x3,		x4; \
446
	pand x3,		x2; \
447
	por x0,			x3; \
448
	pxor x4,		x1; \
449
	pxor x4,		x3; \
450
	pand x0,		x4; \
451
	pxor x2,		x4;
452

453
#define transpose_4x4(x0, x1, x2, x3, t0, t1, t2) \
454
	movdqa x0,		t2; \
455
	punpckldq x1,		x0; \
456
	punpckhdq x1,		t2; \
457
	movdqa x2,		t1; \
458
	punpckhdq x3,		x2; \
459
	punpckldq x3,		t1; \
460
	movdqa x0,		x1; \
461
	punpcklqdq t1,		x0; \
462
	punpckhqdq t1,		x1; \
463
	movdqa t2,		x3; \
464
	punpcklqdq x2,		t2; \
465
	punpckhqdq x2,		x3; \
466
	movdqa t2,		x2;
467

468
#define read_blocks(in, x0, x1, x2, x3, t0, t1, t2) \
469
	movdqu (0*4*4)(in),	x0; \
470
	movdqu (1*4*4)(in),	x1; \
471
	movdqu (2*4*4)(in),	x2; \
472
	movdqu (3*4*4)(in),	x3; \
473
	\
474
	transpose_4x4(x0, x1, x2, x3, t0, t1, t2)
475

476
#define write_blocks(out, x0, x1, x2, x3, t0, t1, t2) \
477
	transpose_4x4(x0, x1, x2, x3, t0, t1, t2) \
478
	\
479
	movdqu x0, (0*4*4)(out); \
480
	movdqu x1, (1*4*4)(out); \
481
	movdqu x2, (2*4*4)(out); \
482
	movdqu x3, (3*4*4)(out);
483

484
#define xor_blocks(out, x0, x1, x2, x3, t0, t1, t2) \
485
	transpose_4x4(x0, x1, x2, x3, t0, t1, t2) \
486
	\
487
	movdqu (0*4*4)(out),	t0; \
488
	pxor t0,		x0; \
489
	movdqu x0,		(0*4*4)(out); \
490
	movdqu (1*4*4)(out),	t0; \
491
	pxor t0,		x1; \
492
	movdqu x1,		(1*4*4)(out); \
493
	movdqu (2*4*4)(out),	t0; \
494
	pxor t0,		x2; \
495
	movdqu x2,		(2*4*4)(out); \
496
	movdqu (3*4*4)(out),	t0; \
497
	pxor t0,		x3; \
498
	movdqu x3,		(3*4*4)(out);
499

500
SYM_FUNC_START(__serpent_enc_blk_4way)
501
	/* input:
502
	 *	arg_ctx(%esp): ctx, CTX
503
	 *	arg_dst(%esp): dst
504
	 *	arg_src(%esp): src
505
	 *	arg_xor(%esp): bool, if true: xor output
506
	 */
507

508
	pcmpeqd RNOT, RNOT;
509

510
	movl arg_ctx(%esp), CTX;
511

512
	movl arg_src(%esp), %eax;
513
	read_blocks(%eax, RA, RB, RC, RD, RT0, RT1, RE);
514

515
					 K(RA, RB, RC, RD, RE, 0);
516
	S0(RA, RB, RC, RD, RE);		LK(RC, RB, RD, RA, RE, 1);
517
	S1(RC, RB, RD, RA, RE);		LK(RE, RD, RA, RC, RB, 2);
518
	S2(RE, RD, RA, RC, RB);		LK(RB, RD, RE, RC, RA, 3);
519
	S3(RB, RD, RE, RC, RA);		LK(RC, RA, RD, RB, RE, 4);
520
	S4(RC, RA, RD, RB, RE);		LK(RA, RD, RB, RE, RC, 5);
521
	S5(RA, RD, RB, RE, RC);		LK(RC, RA, RD, RE, RB, 6);
522
	S6(RC, RA, RD, RE, RB);		LK(RD, RB, RA, RE, RC, 7);
523
	S7(RD, RB, RA, RE, RC);		LK(RC, RA, RE, RD, RB, 8);
524
	S0(RC, RA, RE, RD, RB);		LK(RE, RA, RD, RC, RB, 9);
525
	S1(RE, RA, RD, RC, RB);		LK(RB, RD, RC, RE, RA, 10);
526
	S2(RB, RD, RC, RE, RA);		LK(RA, RD, RB, RE, RC, 11);
527
	S3(RA, RD, RB, RE, RC);		LK(RE, RC, RD, RA, RB, 12);
528
	S4(RE, RC, RD, RA, RB);		LK(RC, RD, RA, RB, RE, 13);
529
	S5(RC, RD, RA, RB, RE);		LK(RE, RC, RD, RB, RA, 14);
530
	S6(RE, RC, RD, RB, RA);		LK(RD, RA, RC, RB, RE, 15);
531
	S7(RD, RA, RC, RB, RE);		LK(RE, RC, RB, RD, RA, 16);
532
	S0(RE, RC, RB, RD, RA);		LK(RB, RC, RD, RE, RA, 17);
533
	S1(RB, RC, RD, RE, RA);		LK(RA, RD, RE, RB, RC, 18);
534
	S2(RA, RD, RE, RB, RC);		LK(RC, RD, RA, RB, RE, 19);
535
	S3(RC, RD, RA, RB, RE);		LK(RB, RE, RD, RC, RA, 20);
536
	S4(RB, RE, RD, RC, RA);		LK(RE, RD, RC, RA, RB, 21);
537
	S5(RE, RD, RC, RA, RB);		LK(RB, RE, RD, RA, RC, 22);
538
	S6(RB, RE, RD, RA, RC);		LK(RD, RC, RE, RA, RB, 23);
539
	S7(RD, RC, RE, RA, RB);		LK(RB, RE, RA, RD, RC, 24);
540
	S0(RB, RE, RA, RD, RC);		LK(RA, RE, RD, RB, RC, 25);
541
	S1(RA, RE, RD, RB, RC);		LK(RC, RD, RB, RA, RE, 26);
542
	S2(RC, RD, RB, RA, RE);		LK(RE, RD, RC, RA, RB, 27);
543
	S3(RE, RD, RC, RA, RB);		LK(RA, RB, RD, RE, RC, 28);
544
	S4(RA, RB, RD, RE, RC);		LK(RB, RD, RE, RC, RA, 29);
545
	S5(RB, RD, RE, RC, RA);		LK(RA, RB, RD, RC, RE, 30);
546
	S6(RA, RB, RD, RC, RE);		LK(RD, RE, RB, RC, RA, 31);
547
	S7(RD, RE, RB, RC, RA);		 K(RA, RB, RC, RD, RE, 32);
548

549
	movl arg_dst(%esp), %eax;
550

551
	cmpb $0, arg_xor(%esp);
552
	jnz .L__enc_xor4;
553

554
	write_blocks(%eax, RA, RB, RC, RD, RT0, RT1, RE);
555

556
	RET;
557

558
.L__enc_xor4:
559
	xor_blocks(%eax, RA, RB, RC, RD, RT0, RT1, RE);
560

561
	RET;
562
SYM_FUNC_END(__serpent_enc_blk_4way)
563

564
SYM_FUNC_START(serpent_dec_blk_4way)
565
	/* input:
566
	 *	arg_ctx(%esp): ctx, CTX
567
	 *	arg_dst(%esp): dst
568
	 *	arg_src(%esp): src
569
	 */
570

571
	pcmpeqd RNOT, RNOT;
572

573
	movl arg_ctx(%esp), CTX;
574

575
	movl arg_src(%esp), %eax;
576
	read_blocks(%eax, RA, RB, RC, RD, RT0, RT1, RE);
577

578
					 K(RA, RB, RC, RD, RE, 32);
579
	SI7(RA, RB, RC, RD, RE);	KL(RB, RD, RA, RE, RC, 31);
580
	SI6(RB, RD, RA, RE, RC);	KL(RA, RC, RE, RB, RD, 30);
581
	SI5(RA, RC, RE, RB, RD);	KL(RC, RD, RA, RE, RB, 29);
582
	SI4(RC, RD, RA, RE, RB);	KL(RC, RA, RB, RE, RD, 28);
583
	SI3(RC, RA, RB, RE, RD);	KL(RB, RC, RD, RE, RA, 27);
584
	SI2(RB, RC, RD, RE, RA);	KL(RC, RA, RE, RD, RB, 26);
585
	SI1(RC, RA, RE, RD, RB);	KL(RB, RA, RE, RD, RC, 25);
586
	SI0(RB, RA, RE, RD, RC);	KL(RE, RC, RA, RB, RD, 24);
587
	SI7(RE, RC, RA, RB, RD);	KL(RC, RB, RE, RD, RA, 23);
588
	SI6(RC, RB, RE, RD, RA);	KL(RE, RA, RD, RC, RB, 22);
589
	SI5(RE, RA, RD, RC, RB);	KL(RA, RB, RE, RD, RC, 21);
590
	SI4(RA, RB, RE, RD, RC);	KL(RA, RE, RC, RD, RB, 20);
591
	SI3(RA, RE, RC, RD, RB);	KL(RC, RA, RB, RD, RE, 19);
592
	SI2(RC, RA, RB, RD, RE);	KL(RA, RE, RD, RB, RC, 18);
593
	SI1(RA, RE, RD, RB, RC);	KL(RC, RE, RD, RB, RA, 17);
594
	SI0(RC, RE, RD, RB, RA);	KL(RD, RA, RE, RC, RB, 16);
595
	SI7(RD, RA, RE, RC, RB);	KL(RA, RC, RD, RB, RE, 15);
596
	SI6(RA, RC, RD, RB, RE);	KL(RD, RE, RB, RA, RC, 14);
597
	SI5(RD, RE, RB, RA, RC);	KL(RE, RC, RD, RB, RA, 13);
598
	SI4(RE, RC, RD, RB, RA);	KL(RE, RD, RA, RB, RC, 12);
599
	SI3(RE, RD, RA, RB, RC);	KL(RA, RE, RC, RB, RD, 11);
600
	SI2(RA, RE, RC, RB, RD);	KL(RE, RD, RB, RC, RA, 10);
601
	SI1(RE, RD, RB, RC, RA);	KL(RA, RD, RB, RC, RE, 9);
602
	SI0(RA, RD, RB, RC, RE);	KL(RB, RE, RD, RA, RC, 8);
603
	SI7(RB, RE, RD, RA, RC);	KL(RE, RA, RB, RC, RD, 7);
604
	SI6(RE, RA, RB, RC, RD);	KL(RB, RD, RC, RE, RA, 6);
605
	SI5(RB, RD, RC, RE, RA);	KL(RD, RA, RB, RC, RE, 5);
606
	SI4(RD, RA, RB, RC, RE);	KL(RD, RB, RE, RC, RA, 4);
607
	SI3(RD, RB, RE, RC, RA);	KL(RE, RD, RA, RC, RB, 3);
608
	SI2(RE, RD, RA, RC, RB);	KL(RD, RB, RC, RA, RE, 2);
609
	SI1(RD, RB, RC, RA, RE);	KL(RE, RB, RC, RA, RD, 1);
610
	SI0(RE, RB, RC, RA, RD);	 K(RC, RD, RB, RE, RA, 0);
611

612
	movl arg_dst(%esp), %eax;
613
	write_blocks(%eax, RC, RD, RB, RE, RT0, RT1, RA);
614

615
	RET;
616
SYM_FUNC_END(serpent_dec_blk_4way)
617

618
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