diff options
author | Duncan Wilkie <antigravityd@gmail.com> | 2023-11-18 06:11:09 -0600 |
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committer | Duncan Wilkie <antigravityd@gmail.com> | 2023-11-18 06:11:09 -0600 |
commit | 11da511c784eca003deb90c23570f0873954e0de (patch) | |
tree | e14fdd3d5d6345956d67e79ae771d0633d28362b /gmp-6.3.0/mpn/x86_64/core2/gcd_11.asm |
Initial commit.
Diffstat (limited to 'gmp-6.3.0/mpn/x86_64/core2/gcd_11.asm')
-rw-r--r-- | gmp-6.3.0/mpn/x86_64/core2/gcd_11.asm | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/gmp-6.3.0/mpn/x86_64/core2/gcd_11.asm b/gmp-6.3.0/mpn/x86_64/core2/gcd_11.asm new file mode 100644 index 0000000..b00451f --- /dev/null +++ b/gmp-6.3.0/mpn/x86_64/core2/gcd_11.asm @@ -0,0 +1,93 @@ +dnl AMD64 mpn_gcd_11 optimised for Intel CNR, PNR, SBR, IBR. + +dnl Based on the K7 gcd_1.asm, by Kevin Ryde. Rehacked for AMD64 by Torbjorn +dnl Granlund. + +dnl Copyright 2000-2002, 2005, 2009, 2011, 2012, 2017, 2019 Free Software +dnl 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/bit (approx) +C AMD K8,K9 ? +C AMD K10 ? +C AMD bd1 ? +C AMD bd2 ? +C AMD bd3 ? +C AMD bd4 ? +C AMD bt1 ? +C AMD bt2 ? +C AMD zn1 ? +C AMD zn2 ? +C Intel P4 ? +C Intel CNR 4.22 * +C Intel PNR 4.22 * +C Intel NHM 4.97 +C Intel WSM 5.17 +C Intel SBR 4.83 * +C Intel IBR 4.16 * +C Intel HWL 3.84 +C Intel BWL 3.76 +C Intel SKL 3.83 +C Intel atom ? +C Intel SLM ? +C Intel GLM ? +C Intel GLM+ ? +C VIA nano ? + +define(`u0', `%rdi') +define(`v0', `%rsi') + +ABI_SUPPORT(DOS64) +ABI_SUPPORT(STD64) + +ASM_START() + TEXT + ALIGN(64) +PROLOGUE(mpn_gcd_11) + FUNC_ENTRY(2) + jmp L(odd) + + ALIGN(16) +L(top): cmovc %rdx, u0 C u = |u - v| + cmovc %rax, v0 C v = min(u,v) + shr R8(%rcx), u0 +L(odd): mov v0, %rdx + sub u0, %rdx C v - u + bsf %rdx, %rcx + mov u0, %rax + sub v0, u0 C u - v + jnz L(top) + +L(end): C rax = result + C rdx = 0 for the benefit of internal gcd_22 call + FUNC_EXIT() + ret +EPILOGUE() |