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f133d007f9
Old version was from 2012-05-06, 6.1.2 is from 2016-12-16 A lot of support for newer processors and speedups since then See gmp/NEWS for details
96 lines
2.1 KiB
NASM
96 lines
2.1 KiB
NASM
dnl AMD64 mpn_com.
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dnl Copyright 2004-2006, 2011, 2012 Free Software Foundation, Inc.
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dnl This file is part of the GNU MP Library.
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dnl
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dnl The GNU MP Library is free software; you can redistribute it and/or modify
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dnl it under the terms of either:
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dnl
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dnl * the GNU Lesser General Public License as published by the Free
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dnl Software Foundation; either version 3 of the License, or (at your
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dnl option) any later version.
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dnl
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dnl or
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dnl
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dnl * the GNU General Public License as published by the Free Software
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dnl Foundation; either version 2 of the License, or (at your option) any
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dnl later version.
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dnl
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dnl or both in parallel, as here.
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dnl
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dnl The GNU MP Library is distributed in the hope that it will be useful, but
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dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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dnl for more details.
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dnl
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dnl You should have received copies of the GNU General Public License and the
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dnl GNU Lesser General Public License along with the GNU MP Library. If not,
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dnl see https://www.gnu.org/licenses/.
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include(`../config.m4')
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C cycles/limb
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C AMD K8,K9 1.25
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C AMD K10 1.25
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C Intel P4 2.78
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C Intel core2 1.1
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C Intel corei 1.5
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C Intel atom ?
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C VIA nano 2
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C INPUT PARAMETERS
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define(`rp',`%rdi')
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define(`up',`%rsi')
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define(`n',`%rdx')
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ABI_SUPPORT(DOS64)
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ABI_SUPPORT(STD64)
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ASM_START()
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TEXT
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ALIGN(32)
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PROLOGUE(mpn_com)
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FUNC_ENTRY(3)
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movq (up), %r8
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movl R32(%rdx), R32(%rax)
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leaq (up,n,8), up
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leaq (rp,n,8), rp
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negq n
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andl $3, R32(%rax)
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je L(b00)
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cmpl $2, R32(%rax)
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jc L(b01)
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je L(b10)
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L(b11): notq %r8
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movq %r8, (rp,n,8)
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decq n
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jmp L(e11)
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L(b10): addq $-2, n
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jmp L(e10)
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.byte 0x90,0x90,0x90,0x90,0x90,0x90
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L(b01): notq %r8
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movq %r8, (rp,n,8)
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incq n
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jz L(ret)
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L(oop): movq (up,n,8), %r8
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L(b00): movq 8(up,n,8), %r9
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notq %r8
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notq %r9
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movq %r8, (rp,n,8)
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movq %r9, 8(rp,n,8)
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L(e11): movq 16(up,n,8), %r8
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L(e10): movq 24(up,n,8), %r9
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notq %r8
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notq %r9
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movq %r8, 16(rp,n,8)
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movq %r9, 24(rp,n,8)
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addq $4, n
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jnc L(oop)
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L(ret): FUNC_EXIT()
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ret
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EPILOGUE()
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