copyi.asm revision 1.1.1.2
1 dnl AMD64 mpn_copyi -- copy limb vector, incrementing. 2 3 dnl Copyright 2003, 2005, 2007, 2011, 2012 Free Software Foundation, Inc. 4 5 dnl This file is part of the GNU MP Library. 6 7 dnl The GNU MP Library is free software; you can redistribute it and/or modify 8 dnl it under the terms of the GNU Lesser General Public License as published 9 dnl by the Free Software Foundation; either version 3 of the License, or (at 10 dnl your option) any later version. 11 12 dnl The GNU MP Library is distributed in the hope that it will be useful, but 13 dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 14 dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 15 dnl License for more details. 16 17 dnl You should have received a copy of the GNU Lesser General Public License 18 dnl along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. 19 20 include(`../config.m4') 21 22 C cycles/limb 23 C AMD K8,K9 1 24 C AMD K10 1 25 C AMD bd1 1.36 26 C AMD bobcat 1.71 27 C Intel P4 2-3 28 C Intel core2 1 29 C Intel NHM 1 30 C Intel SBR 1 31 C Intel atom 2 32 C VIA nano 2 33 34 35 IFSTD(`define(`rp',`%rdi')') 36 IFSTD(`define(`up',`%rsi')') 37 IFSTD(`define(`n', `%rdx')') 38 39 IFDOS(`define(`rp',`%rcx')') 40 IFDOS(`define(`up',`%rdx')') 41 IFDOS(`define(`n', `%r8')') 42 43 ABI_SUPPORT(DOS64) 44 ABI_SUPPORT(STD64) 45 46 ASM_START() 47 TEXT 48 ALIGN(64) 49 .byte 0,0,0,0,0,0 50 PROLOGUE(mpn_copyi) 51 lea -8(rp), rp 52 sub $4, n 53 jc L(end) 54 55 L(top): mov (up), %rax 56 mov 8(up), %r9 57 lea 32(rp), rp 58 mov 16(up), %r10 59 mov 24(up), %r11 60 lea 32(up), up 61 mov %rax, -24(rp) 62 mov %r9, -16(rp) 63 sub $4, n 64 mov %r10, -8(rp) 65 mov %r11, (rp) 66 jnc L(top) 67 68 L(end): shr R32(n) 69 jnc 1f 70 mov (up), %rax 71 mov %rax, 8(rp) 72 lea 8(rp), rp 73 lea 8(up), up 74 1: shr R32(n) 75 jnc 1f 76 mov (up), %rax 77 mov 8(up), %r9 78 mov %rax, 8(rp) 79 mov %r9, 16(rp) 80 1: ret 81 EPILOGUE() 82
Indexes created Sun Mar 01 05:31:48 UTC 2026