diff options
Diffstat (limited to 'gmp/mpn/x86_64/bobcat/copyi.asm')
| -rw-r--r-- | gmp/mpn/x86_64/bobcat/copyi.asm | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/gmp/mpn/x86_64/bobcat/copyi.asm b/gmp/mpn/x86_64/bobcat/copyi.asm new file mode 100644 index 0000000000..ee0f578652 --- /dev/null +++ b/gmp/mpn/x86_64/bobcat/copyi.asm @@ -0,0 +1,94 @@ +dnl AMD64 mpn_copyi optimised for AMD bobcat. + +dnl Copyright 2003, 2005, 2007, 2011, 2012 Free Software Foundation, Inc. + +dnl This file is part of the GNU MP Library. +dnl +dnl The GNU MP Library is free software; you can redistribute it and/or modify +dnl it under the terms of either: +dnl +dnl * the GNU Lesser General Public License as published by the Free +dnl Software Foundation; either version 3 of the License, or (at your +dnl option) any later version. +dnl +dnl or +dnl +dnl * the GNU General Public License as published by the Free Software +dnl Foundation; either version 2 of the License, or (at your option) any +dnl later version. +dnl +dnl or both in parallel, as here. +dnl +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 General Public License +dnl for more details. +dnl +dnl You should have received copies of the GNU General Public License and the +dnl GNU Lesser General Public License along with the GNU MP Library. If not, +dnl see https://www.gnu.org/licenses/. + +include(`../config.m4') + +C cycles/limb +C AMD K8,K9 1 +C AMD K10 1-2 (alignment fluctuations) +C AMD bd1 ? +C AMD bobcat 1.5 +C Intel P4 2.8 +C Intel core2 1 +C Intel NHM 1-1.25 +C Intel SBR 1 +C Intel atom 2.87 +C VIA nano 2 + +C INPUT PARAMETERS +C rp rdi +C up rsi +C n rdx + +define(`rp',`%rdi') +define(`up',`%rsi') +define(`n',`%rdx') + +ABI_SUPPORT(DOS64) +ABI_SUPPORT(STD64) + +ASM_START() + TEXT + ALIGN(16) +PROLOGUE(mpn_copyi) + FUNC_ENTRY(3) + lea -32(up,n,8), up + lea -32(rp,n,8), rp + neg n + add $4, n + jg L(end) + ALIGN(16) +L(top): mov (up,n,8), %r8 + mov %r8, (rp,n,8) + mov 8(up,n,8), %r8 + mov %r8, 8(rp,n,8) + mov 16(up,n,8), %r8 + mov %r8, 16(rp,n,8) + mov 24(up,n,8), %r8 + mov %r8, 24(rp,n,8) +L(ent): add $4, n + jle L(top) + +L(end): cmp $4, R32(n) + jz L(ret) + mov (up,n,8), %r8 + mov %r8, (rp,n,8) + cmp $3, R32(n) + jz L(ret) + mov 8(up,n,8), %r8 + mov %r8, 8(rp,n,8) + cmp $2, R32(n) + jz L(ret) + mov 16(up,n,8), %r8 + mov %r8, 16(rp,n,8) + +L(ret): FUNC_EXIT() + ret +EPILOGUE() |