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cpuminer-gostd/scrypt-x86.S

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9 years ago
/*
* Copyright 2011-2012 pooler@litecoinpool.org
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "cpuminer-config.h"
#if defined(__linux__) && defined(__ELF__)
.section .note.GNU-stack,"",%progbits
#endif
#if defined(__i386__)
.macro scrypt_shuffle src, so, dest, do
movl \so+60(\src), %eax
movl \so+44(\src), %ebx
movl \so+28(\src), %ecx
movl \so+12(\src), %edx
movl %eax, \do+12(\dest)
movl %ebx, \do+28(\dest)
movl %ecx, \do+44(\dest)
movl %edx, \do+60(\dest)
movl \so+40(\src), %eax
movl \so+8(\src), %ebx
movl \so+48(\src), %ecx
movl \so+16(\src), %edx
movl %eax, \do+8(\dest)
movl %ebx, \do+40(\dest)
movl %ecx, \do+16(\dest)
movl %edx, \do+48(\dest)
movl \so+20(\src), %eax
movl \so+4(\src), %ebx
movl \so+52(\src), %ecx
movl \so+36(\src), %edx
movl %eax, \do+4(\dest)
movl %ebx, \do+20(\dest)
movl %ecx, \do+36(\dest)
movl %edx, \do+52(\dest)
movl \so+0(\src), %eax
movl \so+24(\src), %ebx
movl \so+32(\src), %ecx
movl \so+56(\src), %edx
movl %eax, \do+0(\dest)
movl %ebx, \do+24(\dest)
movl %ecx, \do+32(\dest)
movl %edx, \do+56(\dest)
.endm
.macro salsa8_core_gen_quadround
movl 52(%esp), %ecx
movl 4(%esp), %edx
movl 20(%esp), %ebx
movl 8(%esp), %esi
leal (%ecx, %edx), %edi
roll $7, %edi
xorl %edi, %ebx
movl %ebx, 4(%esp)
movl 36(%esp), %edi
leal (%edx, %ebx), %ebp
roll $9, %ebp
xorl %ebp, %edi
movl 24(%esp), %ebp
movl %edi, 8(%esp)
addl %edi, %ebx
roll $13, %ebx
xorl %ebx, %ecx
movl 40(%esp), %ebx
movl %ecx, 20(%esp)
addl %edi, %ecx
roll $18, %ecx
leal (%esi, %ebp), %edi
roll $7, %edi
xorl %edi, %ebx
movl %ebx, 24(%esp)
movl 56(%esp), %edi
xorl %ecx, %edx
leal (%ebp, %ebx), %ecx
roll $9, %ecx
xorl %ecx, %edi
movl %edi, 36(%esp)
movl 28(%esp), %ecx
movl %edx, 28(%esp)
movl 44(%esp), %edx
addl %edi, %ebx
roll $13, %ebx
xorl %ebx, %esi
movl 60(%esp), %ebx
movl %esi, 40(%esp)
addl %edi, %esi
roll $18, %esi
leal (%ecx, %edx), %edi
roll $7, %edi
xorl %edi, %ebx
movl %ebx, 44(%esp)
movl 12(%esp), %edi
xorl %esi, %ebp
leal (%edx, %ebx), %esi
roll $9, %esi
xorl %esi, %edi
movl %edi, 12(%esp)
movl 48(%esp), %esi
movl %ebp, 48(%esp)
movl 64(%esp), %ebp
addl %edi, %ebx
roll $13, %ebx
xorl %ebx, %ecx
movl 16(%esp), %ebx
movl %ecx, 16(%esp)
addl %edi, %ecx
roll $18, %ecx
leal (%esi, %ebp), %edi
roll $7, %edi
xorl %edi, %ebx
movl 32(%esp), %edi
xorl %ecx, %edx
leal (%ebp, %ebx), %ecx
roll $9, %ecx
xorl %ecx, %edi
movl %edi, 32(%esp)
movl %ebx, %ecx
movl %edx, 52(%esp)
movl 28(%esp), %edx
addl %edi, %ebx
roll $13, %ebx
xorl %ebx, %esi
movl 40(%esp), %ebx
movl %esi, 28(%esp)
addl %edi, %esi
roll $18, %esi
leal (%ecx, %edx), %edi
roll $7, %edi
xorl %edi, %ebx
movl %ebx, 40(%esp)
movl 12(%esp), %edi
xorl %esi, %ebp
leal (%edx, %ebx), %esi
roll $9, %esi
xorl %esi, %edi
movl %edi, 12(%esp)
movl 4(%esp), %esi
movl %ebp, 4(%esp)
movl 48(%esp), %ebp
addl %edi, %ebx
roll $13, %ebx
xorl %ebx, %ecx
movl 16(%esp), %ebx
movl %ecx, 16(%esp)
addl %edi, %ecx
roll $18, %ecx
leal (%esi, %ebp), %edi
roll $7, %edi
xorl %edi, %ebx
movl %ebx, 48(%esp)
movl 32(%esp), %edi
xorl %ecx, %edx
leal (%ebp, %ebx), %ecx
roll $9, %ecx
xorl %ecx, %edi
movl %edi, 32(%esp)
movl 24(%esp), %ecx
movl %edx, 24(%esp)
movl 52(%esp), %edx
addl %edi, %ebx
roll $13, %ebx
xorl %ebx, %esi
movl 28(%esp), %ebx
movl %esi, 28(%esp)
addl %edi, %esi
roll $18, %esi
leal (%ecx, %edx), %edi
roll $7, %edi
xorl %edi, %ebx
movl %ebx, 52(%esp)
movl 8(%esp), %edi
xorl %esi, %ebp
leal (%edx, %ebx), %esi
roll $9, %esi
xorl %esi, %edi
movl %edi, 8(%esp)
movl 44(%esp), %esi
movl %ebp, 44(%esp)
movl 4(%esp), %ebp
addl %edi, %ebx
roll $13, %ebx
xorl %ebx, %ecx
movl 20(%esp), %ebx
movl %ecx, 4(%esp)
addl %edi, %ecx
roll $18, %ecx
leal (%esi, %ebp), %edi
roll $7, %edi
xorl %edi, %ebx
movl 36(%esp), %edi
xorl %ecx, %edx
leal (%ebp, %ebx), %ecx
roll $9, %ecx
xorl %ecx, %edi
movl %edi, 20(%esp)
movl %ebx, %ecx
movl %edx, 36(%esp)
movl 24(%esp), %edx
addl %edi, %ebx
roll $13, %ebx
xorl %ebx, %esi
movl 28(%esp), %ebx
movl %esi, 24(%esp)
addl %edi, %esi
roll $18, %esi
leal (%ecx, %edx), %edi
roll $7, %edi
xorl %edi, %ebx
movl %ebx, 28(%esp)
xorl %esi, %ebp
movl 8(%esp), %esi
leal (%edx, %ebx), %edi
roll $9, %edi
xorl %edi, %esi
movl 40(%esp), %edi
movl %ebp, 8(%esp)
movl 44(%esp), %ebp
movl %esi, 40(%esp)
addl %esi, %ebx
roll $13, %ebx
xorl %ebx, %ecx
movl 4(%esp), %ebx
movl %ecx, 44(%esp)
addl %esi, %ecx
roll $18, %ecx
leal (%edi, %ebp), %esi
roll $7, %esi
xorl %esi, %ebx
movl %ebx, 4(%esp)
movl 20(%esp), %esi
xorl %ecx, %edx
leal (%ebp, %ebx), %ecx
roll $9, %ecx
xorl %ecx, %esi
movl %esi, 56(%esp)
movl 48(%esp), %ecx
movl %edx, 20(%esp)
movl 36(%esp), %edx
addl %esi, %ebx
roll $13, %ebx
xorl %ebx, %edi
movl 24(%esp), %ebx
movl %edi, 24(%esp)
addl %esi, %edi
roll $18, %edi
leal (%ecx, %edx), %esi
roll $7, %esi
xorl %esi, %ebx
movl %ebx, 60(%esp)
movl 12(%esp), %esi
xorl %edi, %ebp
leal (%edx, %ebx), %edi
roll $9, %edi
xorl %edi, %esi
movl %esi, 12(%esp)
movl 52(%esp), %edi
movl %ebp, 36(%esp)
movl 8(%esp), %ebp
addl %esi, %ebx
roll $13, %ebx
xorl %ebx, %ecx
movl 16(%esp), %ebx
movl %ecx, 16(%esp)
addl %esi, %ecx
roll $18, %ecx
leal (%edi, %ebp), %esi
roll $7, %esi
xorl %esi, %ebx
movl 32(%esp), %esi
xorl %ecx, %edx
leal (%ebp, %ebx), %ecx
roll $9, %ecx
xorl %ecx, %esi
movl %esi, 32(%esp)
movl %ebx, %ecx
movl %edx, 48(%esp)
movl 20(%esp), %edx
addl %esi, %ebx
roll $13, %ebx
xorl %ebx, %edi
movl 24(%esp), %ebx
movl %edi, 20(%esp)
addl %esi, %edi
roll $18, %edi
leal (%ecx, %edx), %esi
roll $7, %esi
xorl %esi, %ebx
movl %ebx, 8(%esp)
movl 12(%esp), %esi
xorl %edi, %ebp
leal (%edx, %ebx), %edi
roll $9, %edi
xorl %edi, %esi
movl %esi, 12(%esp)
movl 28(%esp), %edi
movl %ebp, 52(%esp)
movl 36(%esp), %ebp
addl %esi, %ebx
roll $13, %ebx
xorl %ebx, %ecx
movl 16(%esp), %ebx
movl %ecx, 16(%esp)
addl %esi, %ecx
roll $18, %ecx
leal (%edi, %ebp), %esi
roll $7, %esi
xorl %esi, %ebx
movl %ebx, 28(%esp)
movl 32(%esp), %esi
xorl %ecx, %edx
leal (%ebp, %ebx), %ecx
roll $9, %ecx
xorl %ecx, %esi
movl %esi, 32(%esp)
movl 4(%esp), %ecx
movl %edx, 4(%esp)
movl 48(%esp), %edx
addl %esi, %ebx
roll $13, %ebx
xorl %ebx, %edi
movl 20(%esp), %ebx
movl %edi, 20(%esp)
addl %esi, %edi
roll $18, %edi
leal (%ecx, %edx), %esi
roll $7, %esi
xorl %esi, %ebx
movl %ebx, 48(%esp)
movl 40(%esp), %esi
xorl %edi, %ebp
leal (%edx, %ebx), %edi
roll $9, %edi
xorl %edi, %esi
movl %esi, 36(%esp)
movl 60(%esp), %edi
movl %ebp, 24(%esp)
movl 52(%esp), %ebp
addl %esi, %ebx
roll $13, %ebx
xorl %ebx, %ecx
movl 44(%esp), %ebx
movl %ecx, 40(%esp)
addl %esi, %ecx
roll $18, %ecx
leal (%edi, %ebp), %esi
roll $7, %esi
xorl %esi, %ebx
movl %ebx, 52(%esp)
movl 56(%esp), %esi
xorl %ecx, %edx
leal (%ebp, %ebx), %ecx
roll $9, %ecx
xorl %ecx, %esi
movl %esi, 56(%esp)
addl %esi, %ebx
movl %edx, 44(%esp)
roll $13, %ebx
xorl %ebx, %edi
movl %edi, 60(%esp)
addl %esi, %edi
roll $18, %edi
xorl %edi, %ebp
movl %ebp, 64(%esp)
.endm
.text
.p2align 5
salsa8_core_gen:
salsa8_core_gen_quadround
salsa8_core_gen_quadround
ret
.text
.p2align 5
.globl scrypt_core
.globl _scrypt_core
scrypt_core:
_scrypt_core:
pushl %ebx
pushl %ebp
pushl %edi
pushl %esi
/* Check for SSE2 availability */
movl $1, %eax
cpuid
andl $0x04000000, %edx
jnz scrypt_core_sse2
scrypt_core_gen:
movl 20(%esp), %edi
movl 24(%esp), %esi
subl $72, %esp
.macro scrypt_core_macro1a p, q
movl \p(%edi), %eax
movl \q(%edi), %edx
movl %eax, \p(%esi)
movl %edx, \q(%esi)
xorl %edx, %eax
movl %eax, \p(%edi)
movl %eax, \p(%esp)
.endm
.macro scrypt_core_macro1b p, q
movl \p(%edi), %eax
xorl \p(%esi, %edx), %eax
movl \q(%edi), %ebx
xorl \q(%esi, %edx), %ebx
movl %ebx, \q(%edi)
xorl %ebx, %eax
movl %eax, \p(%edi)
movl %eax, \p(%esp)
.endm
.macro scrypt_core_macro2 p, q
movl \p(%esp), %eax
addl \p(%edi), %eax
movl %eax, \p(%edi)
xorl \q(%edi), %eax
movl %eax, \q(%edi)
movl %eax, \p(%esp)
.endm
.macro scrypt_core_macro3 p, q
movl \p(%esp), %eax
addl \q(%edi), %eax
movl %eax, \q(%edi)
.endm
leal 131072(%esi), %ecx
scrypt_core_gen_loop1:
movl %esi, 64(%esp)
movl %ecx, 68(%esp)
scrypt_core_macro1a 0, 64
scrypt_core_macro1a 4, 68
scrypt_core_macro1a 8, 72
scrypt_core_macro1a 12, 76
scrypt_core_macro1a 16, 80
scrypt_core_macro1a 20, 84
scrypt_core_macro1a 24, 88
scrypt_core_macro1a 28, 92
scrypt_core_macro1a 32, 96
scrypt_core_macro1a 36, 100
scrypt_core_macro1a 40, 104
scrypt_core_macro1a 44, 108
scrypt_core_macro1a 48, 112
scrypt_core_macro1a 52, 116
scrypt_core_macro1a 56, 120
scrypt_core_macro1a 60, 124
call salsa8_core_gen
movl 92(%esp), %edi
scrypt_core_macro2 0, 64
scrypt_core_macro2 4, 68
scrypt_core_macro2 8, 72
scrypt_core_macro2 12, 76
scrypt_core_macro2 16, 80
scrypt_core_macro2 20, 84
scrypt_core_macro2 24, 88
scrypt_core_macro2 28, 92
scrypt_core_macro2 32, 96
scrypt_core_macro2 36, 100
scrypt_core_macro2 40, 104
scrypt_core_macro2 44, 108
scrypt_core_macro2 48, 112
scrypt_core_macro2 52, 116
scrypt_core_macro2 56, 120
scrypt_core_macro2 60, 124
call salsa8_core_gen
movl 92(%esp), %edi
scrypt_core_macro3 0, 64
scrypt_core_macro3 4, 68
scrypt_core_macro3 8, 72
scrypt_core_macro3 12, 76
scrypt_core_macro3 16, 80
scrypt_core_macro3 20, 84
scrypt_core_macro3 24, 88
scrypt_core_macro3 28, 92
scrypt_core_macro3 32, 96
scrypt_core_macro3 36, 100
scrypt_core_macro3 40, 104
scrypt_core_macro3 44, 108
scrypt_core_macro3 48, 112
scrypt_core_macro3 52, 116
scrypt_core_macro3 56, 120
scrypt_core_macro3 60, 124
movl 64(%esp), %esi
movl 68(%esp), %ecx
addl $128, %esi
cmpl %ecx, %esi
jne scrypt_core_gen_loop1
movl 96(%esp), %esi
movl $1024, %ecx
scrypt_core_gen_loop2:
movl %ecx, 68(%esp)
movl 64(%edi), %edx
andl $1023, %edx
shll $7, %edx
scrypt_core_macro1b 0, 64
scrypt_core_macro1b 4, 68
scrypt_core_macro1b 8, 72
scrypt_core_macro1b 12, 76
scrypt_core_macro1b 16, 80
scrypt_core_macro1b 20, 84
scrypt_core_macro1b 24, 88
scrypt_core_macro1b 28, 92
scrypt_core_macro1b 32, 96
scrypt_core_macro1b 36, 100
scrypt_core_macro1b 40, 104
scrypt_core_macro1b 44, 108
scrypt_core_macro1b 48, 112
scrypt_core_macro1b 52, 116
scrypt_core_macro1b 56, 120
scrypt_core_macro1b 60, 124
call salsa8_core_gen
movl 92(%esp), %edi
scrypt_core_macro2 0, 64
scrypt_core_macro2 4, 68
scrypt_core_macro2 8, 72
scrypt_core_macro2 12, 76
scrypt_core_macro2 16, 80
scrypt_core_macro2 20, 84
scrypt_core_macro2 24, 88
scrypt_core_macro2 28, 92
scrypt_core_macro2 32, 96
scrypt_core_macro2 36, 100
scrypt_core_macro2 40, 104
scrypt_core_macro2 44, 108
scrypt_core_macro2 48, 112
scrypt_core_macro2 52, 116
scrypt_core_macro2 56, 120
scrypt_core_macro2 60, 124
call salsa8_core_gen
movl 92(%esp), %edi
movl 96(%esp), %esi
scrypt_core_macro3 0, 64
scrypt_core_macro3 4, 68
scrypt_core_macro3 8, 72
scrypt_core_macro3 12, 76
scrypt_core_macro3 16, 80
scrypt_core_macro3 20, 84
scrypt_core_macro3 24, 88
scrypt_core_macro3 28, 92
scrypt_core_macro3 32, 96
scrypt_core_macro3 36, 100
scrypt_core_macro3 40, 104
scrypt_core_macro3 44, 108
scrypt_core_macro3 48, 112
scrypt_core_macro3 52, 116
scrypt_core_macro3 56, 120
scrypt_core_macro3 60, 124
movl 68(%esp), %ecx
subl $1, %ecx
ja scrypt_core_gen_loop2
addl $72, %esp
popl %esi
popl %edi
popl %ebp
popl %ebx
ret
.macro salsa8_core_sse2_doubleround
movdqa %xmm1, %xmm4
paddd %xmm0, %xmm4
movdqa %xmm4, %xmm5
pslld $7, %xmm4
psrld $25, %xmm5
pxor %xmm4, %xmm3
movdqa %xmm0, %xmm4
pxor %xmm5, %xmm3
paddd %xmm3, %xmm4
movdqa %xmm4, %xmm5
pslld $9, %xmm4
psrld $23, %xmm5
pxor %xmm4, %xmm2
movdqa %xmm3, %xmm4
pxor %xmm5, %xmm2
pshufd $0x93, %xmm3, %xmm3
paddd %xmm2, %xmm4
movdqa %xmm4, %xmm5
pslld $13, %xmm4
psrld $19, %xmm5
pxor %xmm4, %xmm1
movdqa %xmm2, %xmm4
pxor %xmm5, %xmm1
pshufd $0x4e, %xmm2, %xmm2
paddd %xmm1, %xmm4
movdqa %xmm4, %xmm5
pslld $18, %xmm4
psrld $14, %xmm5
pxor %xmm4, %xmm0
movdqa %xmm3, %xmm4
pxor %xmm5, %xmm0
pshufd $0x39, %xmm1, %xmm1
paddd %xmm0, %xmm4
movdqa %xmm4, %xmm5
pslld $7, %xmm4
psrld $25, %xmm5
pxor %xmm4, %xmm1
movdqa %xmm0, %xmm4
pxor %xmm5, %xmm1
paddd %xmm1, %xmm4
movdqa %xmm4, %xmm5
pslld $9, %xmm4
psrld $23, %xmm5
pxor %xmm4, %xmm2
movdqa %xmm1, %xmm4
pxor %xmm5, %xmm2
pshufd $0x93, %xmm1, %xmm1
paddd %xmm2, %xmm4
movdqa %xmm4, %xmm5
pslld $13, %xmm4
psrld $19, %xmm5
pxor %xmm4, %xmm3
movdqa %xmm2, %xmm4
pxor %xmm5, %xmm3
pshufd $0x4e, %xmm2, %xmm2
paddd %xmm3, %xmm4
movdqa %xmm4, %xmm5
pslld $18, %xmm4
psrld $14, %xmm5
pxor %xmm4, %xmm0
pshufd $0x39, %xmm3, %xmm3
pxor %xmm5, %xmm0
.endm
.macro salsa8_core_sse2
salsa8_core_sse2_doubleround
salsa8_core_sse2_doubleround
salsa8_core_sse2_doubleround
salsa8_core_sse2_doubleround
.endm
.p2align 5
scrypt_core_sse2:
movl 20(%esp), %edi
movl 24(%esp), %esi
movl %esp, %ebp
subl $128, %esp
andl $-16, %esp
scrypt_shuffle %edi, 0, %esp, 0
scrypt_shuffle %edi, 64, %esp, 64
movdqa 96(%esp), %xmm6
movdqa 112(%esp), %xmm7
movl %esi, %edx
leal 131072(%esi), %ecx
scrypt_core_sse2_loop1:
movdqa 0(%esp), %xmm0
movdqa 16(%esp), %xmm1
movdqa 32(%esp), %xmm2
movdqa 48(%esp), %xmm3
movdqa 64(%esp), %xmm4
movdqa 80(%esp), %xmm5
pxor %xmm4, %xmm0
pxor %xmm5, %xmm1
movdqa %xmm0, 0(%edx)
movdqa %xmm1, 16(%edx)
pxor %xmm6, %xmm2
pxor %xmm7, %xmm3
movdqa %xmm2, 32(%edx)
movdqa %xmm3, 48(%edx)
movdqa %xmm4, 64(%edx)
movdqa %xmm5, 80(%edx)
movdqa %xmm6, 96(%edx)
movdqa %xmm7, 112(%edx)
salsa8_core_sse2
paddd 0(%edx), %xmm0
paddd 16(%edx), %xmm1
paddd 32(%edx), %xmm2
paddd 48(%edx), %xmm3
movdqa %xmm0, 0(%esp)
movdqa %xmm1, 16(%esp)
movdqa %xmm2, 32(%esp)
movdqa %xmm3, 48(%esp)
pxor 64(%esp), %xmm0
pxor 80(%esp), %xmm1
pxor %xmm6, %xmm2
pxor %xmm7, %xmm3
movdqa %xmm0, 64(%esp)
movdqa %xmm1, 80(%esp)
movdqa %xmm2, %xmm6
movdqa %xmm3, %xmm7
salsa8_core_sse2
paddd 64(%esp), %xmm0
paddd 80(%esp), %xmm1
paddd %xmm2, %xmm6
paddd %xmm3, %xmm7
movdqa %xmm0, 64(%esp)
movdqa %xmm1, 80(%esp)
addl $128, %edx
cmpl %ecx, %edx
jne scrypt_core_sse2_loop1
movdqa 64(%esp), %xmm4
movdqa 80(%esp), %xmm5
movl $1024, %ecx
scrypt_core_sse2_loop2:
movd %xmm4, %edx
movdqa 0(%esp), %xmm0
movdqa 16(%esp), %xmm1
movdqa 32(%esp), %xmm2
movdqa 48(%esp), %xmm3
andl $1023, %edx
shll $7, %edx
pxor 0(%esi, %edx), %xmm0
pxor 16(%esi, %edx), %xmm1
pxor 32(%esi, %edx), %xmm2
pxor 48(%esi, %edx), %xmm3
pxor %xmm4, %xmm0
pxor %xmm5, %xmm1
movdqa %xmm0, 0(%esp)
movdqa %xmm1, 16(%esp)
pxor %xmm6, %xmm2
pxor %xmm7, %xmm3
movdqa %xmm2, 32(%esp)
movdqa %xmm3, 48(%esp)
salsa8_core_sse2
paddd 0(%esp), %xmm0
paddd 16(%esp), %xmm1
paddd 32(%esp), %xmm2
paddd 48(%esp), %xmm3
movdqa %xmm0, 0(%esp)
movdqa %xmm1, 16(%esp)
movdqa %xmm2, 32(%esp)
movdqa %xmm3, 48(%esp)
pxor 64(%esi, %edx), %xmm0
pxor 80(%esi, %edx), %xmm1
pxor 96(%esi, %edx), %xmm2
pxor 112(%esi, %edx), %xmm3
pxor 64(%esp), %xmm0
pxor 80(%esp), %xmm1
pxor %xmm6, %xmm2
pxor %xmm7, %xmm3
movdqa %xmm0, 64(%esp)
movdqa %xmm1, 80(%esp)
movdqa %xmm2, %xmm6
movdqa %xmm3, %xmm7
salsa8_core_sse2
paddd 64(%esp), %xmm0
paddd 80(%esp), %xmm1
paddd %xmm2, %xmm6
paddd %xmm3, %xmm7
movdqa %xmm0, %xmm4
movdqa %xmm1, %xmm5
movdqa %xmm0, 64(%esp)
movdqa %xmm1, 80(%esp)
subl $1, %ecx
ja scrypt_core_sse2_loop2
movdqa %xmm6, 96(%esp)
movdqa %xmm7, 112(%esp)
scrypt_shuffle %esp, 0, %edi, 0
scrypt_shuffle %esp, 64, %edi, 64
movl %ebp, %esp
popl %esi
popl %edi
popl %ebp
popl %ebx
ret
#endif