+dnl AMD64 mpn_copyi -- copy limb vector, incrementing.
+
+dnl Copyright 2003, 2005, 2007 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
+C K10: 1
+C P4: 2.8
+C P6-15: 1.2
+
+
+C INPUT PARAMETERS
+C rp rdi
+C up rsi
+C n rdx
+
+define(`rp',`%rdi')
+define(`up',`%rsi')
+define(`n',`%rdx')
+
+ASM_START()
+ TEXT
+ ALIGN(16)
+PROLOGUE(mpn_copyi)
+ leaq -8(rp), rp
+ subq $4, n
+ jc L(end)
+ ALIGN(16)
+L(oop): movq (up), %r8
+ movq 8(up), %r9
+ leaq 32(rp), rp
+ movq 16(up), %r10
+ movq 24(up), %r11
+ leaq 32(up), up
+ movq %r8, -24(rp)
+ movq %r9, -16(rp)
+ subq $4, n
+ movq %r10, -8(rp)
+ movq %r11, (rp)
+ jnc L(oop)
+
+L(end): shrl %edx C edx = lowpart(n)
+ jnc 1f
+ movq (up), %r8
+ movq %r8, 8(rp)
+ leaq 8(rp), rp
+ leaq 8(up), up
+1: shrl %edx C edx = lowpart(n)
+ jnc 1f
+ movq (up), %r8
+ movq 8(up), %r9
+ movq %r8, 8(rp)
+ movq %r9, 16(rp)
+1: ret
+EPILOGUE()