diff options
| author | Duncan Wilkie <antigravityd@gmail.com> | 2023-11-18 06:11:09 -0600 |
|---|---|---|
| committer | Duncan Wilkie <antigravityd@gmail.com> | 2023-11-18 06:11:09 -0600 |
| commit | 11da511c784eca003deb90c23570f0873954e0de (patch) | |
| tree | e14fdd3d5d6345956d67e79ae771d0633d28362b /gmp-6.3.0/mpn/powerpc64/mode64/p9/gcd_11.asm | |
Initial commit.
Diffstat (limited to 'gmp-6.3.0/mpn/powerpc64/mode64/p9/gcd_11.asm')
| -rw-r--r-- | gmp-6.3.0/mpn/powerpc64/mode64/p9/gcd_11.asm | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/gmp-6.3.0/mpn/powerpc64/mode64/p9/gcd_11.asm b/gmp-6.3.0/mpn/powerpc64/mode64/p9/gcd_11.asm new file mode 100644 index 0000000..2dc982d --- /dev/null +++ b/gmp-6.3.0/mpn/powerpc64/mode64/p9/gcd_11.asm @@ -0,0 +1,64 @@ +dnl PowerPC-64 mpn_gcd_11. + +dnl Copyright 2000-2002, 2005, 2009, 2011-2013, 2019 Free Software Foundation, +dnl 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 POWER3/PPC630 - +C POWER4/PPC970 - +C POWER5 - +C POWER6 - +C POWER7 - +C POWER8 - +C POWER9 5.75 +C Numbers measured with: speed -CD -s16-64 -t48 mpn_gcd_1 + +define(`u0', `r3') +define(`v0', `r4') + +define(`cnt', `r9')dnl + +ASM_START() +PROLOGUE(mpn_gcd_11) + b L(odd) + + ALIGN(16) +L(top): isel v0, u0, v0, 29 C v = min(u,v) + isel u0, r10, r11, 29 C u = |v - u| + srd u0, u0, cnt +L(odd): subf r10, u0, v0 C r10 = v - u + subf r11, v0, u0 C r11 = u - v + cmpld cr7, v0, u0 + cnttzd cnt, r10 + bne cr7, L(top) + +L(end): blr +EPILOGUE() |