| dnl AMD64 mpn_sqr_diag_addlsh1 |
| |
| dnl Contributed to the GNU project by Torbjรถrn Granlund. |
| |
| dnl Copyright 2011-2013 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 2.5 |
| C AMD K10 2.5 |
| C AMD bull 3.6 |
| C AMD pile 3.6 |
| C AMD steam ? |
| C AMD bobcat 4 |
| C AMD jaguar ? |
| C Intel P4 11.5 |
| C Intel core 4 |
| C Intel NHM 3.6 |
| C Intel SBR 3.15 |
| C Intel IBR 3.0 |
| C Intel HWL 2.6 |
| C Intel BWL ? |
| C Intel atom 14 |
| C VIA nano 3.5 |
| |
| C When playing with pointers, set this to $2 to fall back to conservative |
| C indexing in wind-down code. |
| define(`I',`$1') |
| |
| define(`rp', `%rdi') |
| define(`tp', `%rsi') |
| define(`up_arg', `%rdx') |
| define(`n', `%rcx') |
| |
| define(`up', `%r11') |
| |
| ABI_SUPPORT(DOS64) |
| ABI_SUPPORT(STD64) |
| |
| ASM_START() |
| TEXT |
| ALIGN(32) |
| PROLOGUE(mpn_sqr_diag_addlsh1) |
| FUNC_ENTRY(4) |
| push %rbx |
| |
| dec n |
| shl n |
| |
| mov (up_arg), %rax |
| |
| lea (rp,n,8), rp |
| lea (tp,n,8), tp |
| lea (up_arg,n,4), up |
| neg n |
| |
| mul %rax |
| mov %rax, (rp,n,8) |
| |
| xor R32(%rbx), R32(%rbx) |
| jmp L(mid) |
| |
| ALIGN(16) |
| L(top): add %r10, %r8 |
| adc %rax, %r9 |
| mov %r8, -8(rp,n,8) |
| mov %r9, (rp,n,8) |
| L(mid): mov 8(up,n,4), %rax |
| mov (tp,n,8), %r8 |
| mov 8(tp,n,8), %r9 |
| adc %r8, %r8 |
| adc %r9, %r9 |
| lea (%rdx,%rbx), %r10 |
| setc R8(%rbx) |
| mul %rax |
| add $2, n |
| js L(top) |
| |
| L(end): add %r10, %r8 |
| adc %rax, %r9 |
| mov %r8, I(-8(rp),-8(rp,n,8)) |
| mov %r9, I((rp),(rp,n,8)) |
| adc %rbx, %rdx |
| mov %rdx, I(8(rp),8(rp,n,8)) |
| |
| pop %rbx |
| FUNC_EXIT() |
| ret |
| EPILOGUE() |