1 1.1 mrg dnl ARM/Thumb mpn_add_n. 2 1.1 mrg 3 1.1 mrg dnl Copyright 1997, 2000, 2012 Free Software Foundation, Inc. 4 1.1 mrg 5 1.1 mrg dnl This file is part of the GNU MP Library. 6 1.1.1.2 mrg dnl 7 1.1 mrg dnl The GNU MP Library is free software; you can redistribute it and/or modify 8 1.1.1.2 mrg dnl it under the terms of either: 9 1.1.1.2 mrg dnl 10 1.1.1.2 mrg dnl * the GNU Lesser General Public License as published by the Free 11 1.1.1.2 mrg dnl Software Foundation; either version 3 of the License, or (at your 12 1.1.1.2 mrg dnl option) any later version. 13 1.1.1.2 mrg dnl 14 1.1.1.2 mrg dnl or 15 1.1.1.2 mrg dnl 16 1.1.1.2 mrg dnl * the GNU General Public License as published by the Free Software 17 1.1.1.2 mrg dnl Foundation; either version 2 of the License, or (at your option) any 18 1.1.1.2 mrg dnl later version. 19 1.1.1.2 mrg dnl 20 1.1.1.2 mrg dnl or both in parallel, as here. 21 1.1.1.2 mrg dnl 22 1.1 mrg dnl The GNU MP Library is distributed in the hope that it will be useful, but 23 1.1 mrg dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 24 1.1.1.2 mrg dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 25 1.1.1.2 mrg dnl for more details. 26 1.1.1.2 mrg dnl 27 1.1.1.2 mrg dnl You should have received copies of the GNU General Public License and the 28 1.1.1.2 mrg dnl GNU Lesser General Public License along with the GNU MP Library. If not, 29 1.1.1.2 mrg dnl see https://www.gnu.org/licenses/. 30 1.1 mrg 31 1.1 mrg include(`../config.m4') 32 1.1 mrg 33 1.1 mrg C INPUT PARAMETERS 34 1.1 mrg define(`rp', r0) 35 1.1 mrg define(`up', r1) 36 1.1 mrg define(`vp', r2) 37 1.1 mrg define(`n', r3) 38 1.1 mrg 39 1.1 mrg ASM_START() 40 1.1 mrg .thumb 41 1.1 mrg PROLOGUE(mpn_add_nc) 42 1.1 mrg push {r4, r5, r6} 43 1.1 mrg ldr r6, [sp, #12] C init carry save register 44 1.1 mrg sub r6, #1 45 1.1 mrg b L(top) 46 1.1 mrg EPILOGUE() 47 1.1 mrg PROLOGUE(mpn_add_n) 48 1.1 mrg push {r4, r5, r6} 49 1.1 mrg neg r6, n C init carry save register 50 1.1 mrg 51 1.1 mrg L(top): ldmia up!, {r4} C load next limb from S1 52 1.1 mrg cmp n, r6 C tricky carry restore 53 1.1 mrg ldmia vp!, {r5} C load next limb from S2 54 1.1 mrg adc r4, r5 55 1.1 mrg stmia rp!, {r4} C store result limb to RES 56 1.1 mrg sbc r6, r6 C save negated carry 57 1.1 mrg sub n, #1 58 1.1 mrg bne L(top) 59 1.1 mrg 60 1.1 mrg add r0, r6, #1 61 1.1 mrg pop {r4, r5, r6} 62 1.1 mrg bx lr 63 1.1 mrg EPILOGUE() 64
Indexes created Sat Feb 28 05:31:39 UTC 2026