com.asm
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上传日期:2022-08-06
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文件大小:2k
- dnl AMD64 mpn_com.
- dnl Copyright 2004, 2005, 2006 Free Software Foundation, Inc.
- dnl This file is part of the GNU MP Library.
- dnl The GNU MP Library is free software; you can redistribute it and/or modify
- dnl it under the terms of the GNU Lesser General Public License as published
- dnl by the Free Software Foundation; either version 3 of the License, or (at
- dnl your option) any later version.
- dnl The GNU MP Library is distributed in the hope that it will be useful, but
- dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
- dnl License for more details.
- dnl You should have received a copy of the GNU Lesser General Public License
- dnl along with the GNU MP Library. If not, see http://www.gnu.org/licenses/.
- include(`../config.m4')
- C cycles/limb
- C K8,K9: 1.25
- C K10: 1.25
- C P4: 2.78
- C P6-15: 1.1
- C INPUT PARAMETERS
- define(`rp',`%rdi')
- define(`up',`%rsi')
- define(`n',`%rdx')
- ASM_START()
- TEXT
- ALIGN(32)
- PROLOGUE(mpn_com)
- movq (up), %r8
- movl %edx, %eax
- leaq (up,n,8), up
- leaq (rp,n,8), rp
- negq n
- andl $3, %eax
- je L(b00)
- cmpl $2, %eax
- jc L(b01)
- je L(b10)
- L(b11): notq %r8
- movq %r8, (rp,n,8)
- decq n
- jmp L(e11)
- L(b10): addq $-2, n
- jmp L(e10)
- .byte 0x90,0x90,0x90,0x90,0x90,0x90
- L(b01): notq %r8
- movq %r8, (rp,n,8)
- incq n
- jz L(ret)
- L(oop): movq (up,n,8), %r8
- L(b00): movq 8(up,n,8), %r9
- notq %r8
- notq %r9
- movq %r8, (rp,n,8)
- movq %r9, 8(rp,n,8)
- L(e11): movq 16(up,n,8), %r8
- L(e10): movq 24(up,n,8), %r9
- notq %r8
- notq %r9
- movq %r8, 16(rp,n,8)
- movq %r9, 24(rp,n,8)
- addq $4, n
- jnc L(oop)
- L(ret): ret
- EPILOGUE()