1dnl SPARC v8 mpn_submul_1 -- Multiply a limb vector with a limb and 2dnl subtract the result from a second limb vector. 3 4dnl Copyright 1992-1994, 2000 Free Software Foundation, Inc. 5 6dnl This file is part of the GNU MP Library. 7dnl 8dnl The GNU MP Library is free software; you can redistribute it and/or modify 9dnl it under the terms of either: 10dnl 11dnl * the GNU Lesser General Public License as published by the Free 12dnl Software Foundation; either version 3 of the License, or (at your 13dnl option) any later version. 14dnl 15dnl or 16dnl 17dnl * the GNU General Public License as published by the Free Software 18dnl Foundation; either version 2 of the License, or (at your option) any 19dnl later version. 20dnl 21dnl or both in parallel, as here. 22dnl 23dnl The GNU MP Library is distributed in the hope that it will be useful, but 24dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 25dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 26dnl for more details. 27dnl 28dnl You should have received copies of the GNU General Public License and the 29dnl GNU Lesser General Public License along with the GNU MP Library. If not, 30dnl see https://www.gnu.org/licenses/. 31 32 33include(`../config.m4') 34 35C INPUT PARAMETERS 36C res_ptr o0 37C s1_ptr o1 38C size o2 39C s2_limb o3 40 41ASM_START() 42PROLOGUE(mpn_submul_1) 43 sub %g0,%o2,%o2 C negate ... 44 sll %o2,2,%o2 C ... and scale size 45 sub %o1,%o2,%o1 C o1 is offset s1_ptr 46 sub %o0,%o2,%g1 C g1 is offset res_ptr 47 48 mov 0,%o0 C clear cy_limb 49 50L(loop): 51 ld [%o1+%o2],%o4 52 ld [%g1+%o2],%g2 53 umul %o4,%o3,%o5 54 rd %y,%g3 55 addcc %o5,%o0,%o5 56 addx %g3,0,%o0 57 subcc %g2,%o5,%g2 58 addx %o0,0,%o0 59 st %g2,[%g1+%o2] 60 61 addcc %o2,4,%o2 62 bne L(loop) 63 nop 64 65 retl 66 nop 67EPILOGUE(mpn_submul_1) 68