dnl PowerPC-64 mpn_addmul_1 -- Multiply a limb vector with a limb and add dnl the result to a second limb vector. dnl Copyright 1999-2001, 2003, 2005 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 POWER3/PPC630: ? C POWER4/PPC970: 12.5 C INPUT PARAMETERS C rp r3 C up r4 C n r5 C v r6,r7 or r7,r8 ASM_START() PROLOGUE(mpn_addmul_1) ifdef(`BROKEN_LONGLONG_PARAM', ` rldimi r8, r7, 32,0 C assemble vlimb from separate 32-bit arguments mr r6, r8 ',` rldimi r7, r6, 32,0 C assemble vlimb from separate 32-bit arguments mr r6, r7 ') li r7, 0 C cy_limb = 0 mtctr r5 addic r0, r0, 0 addi r3, r3, -8 addi r4, r4, -8 L(oop): ldu r0, 8(r4) mulld r9, r0, r6 adde r12, r9, r7 C add old high limb and new low limb srdi r5, r9, 32 srdi r11, r7, 32 adde r5, r5, r11 C add high limb parts, set cy mulhdu r7, r0, r6 addze r7, r7 ld r10, 8(r3) addc r9, r12, r10 srdi r5, r12, 32 srdi r11, r10, 32 adde r5, r5, r11 C add high limb parts, set cy stdu r9, 8(r3) bdnz L(oop) addze r4, r7 srdi r3, r4, 32 blr EPILOGUE() |