1dnl VAX mpn_mul_1 -- Multiply a limb vector with a limb and store the result 2dnl in a second limb vector. 3 4dnl Copyright 1992, 1994, 1996, 2000, 2012 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 32include(`../config.m4') 33 34ASM_START() 35PROLOGUE(mpn_mul_1) 36 .word 0xfc0 37 movl 12(ap), r4 38 movl 8(ap), r8 39 movl 4(ap), r9 40 clrl r3 41 incl r4 42 ashl $-1, r4, r7 43 clrl r11 44 movl 16(ap), r6 45 jlss L(v0_big) 46 jlbc r4, L(1) 47 48C Loop for v0 < 0x80000000 49L(tp1): movl (r8)+, r1 50 jlss L(1n0) 51 emul r1, r6, $0, r2 52 addl2 r11, r2 53 adwc $0, r3 54 movl r2, (r9)+ 55L(1): movl (r8)+, r1 56 jlss L(1n1) 57L(1p1): emul r1, r6, $0, r10 58 addl2 r3, r10 59 adwc $0, r11 60 movl r10, (r9)+ 61 62 sobgtr r7, L(tp1) 63 movl r11, r0 64 ret 65 66L(1n0): emul r1, r6, $0, r2 67 addl2 r11, r2 68 adwc r6, r3 69 movl r2, (r9)+ 70 movl (r8)+, r1 71 jgeq L(1p1) 72L(1n1): emul r1, r6, $0, r10 73 addl2 r3, r10 74 adwc r6, r11 75 movl r10, (r9)+ 76 77 sobgtr r7, L(tp1) 78 movl r11, r0 79 ret 80 81L(v0_big): 82 jlbc r4, L(2) 83 84C Loop for v0 >= 0x80000000 85L(tp2): movl (r8)+, r1 86 jlss L(2n0) 87 emul r1, r6, $0, r2 88 addl2 r11, r2 89 adwc r1, r3 90 movl r2, (r9)+ 91L(2): movl (r8)+, r1 92 jlss L(2n1) 93L(2p1): emul r1, r6, $0, r10 94 addl2 r3, r10 95 adwc r1, r11 96 movl r10, (r9)+ 97 98 sobgtr r7, L(tp2) 99 movl r11, r0 100 ret 101 102L(2n0): emul r1, r6, $0, r2 103 addl2 r1, r3 104 addl2 r11, r2 105 adwc r6, r3 106 movl r2, (r9)+ 107 movl (r8)+, r1 108 jgeq L(2p1) 109L(2n1): emul r1, r6, $0, r10 110 addl2 r1, r11 111 addl2 r3, r10 112 adwc r6, r11 113 movl r10, (r9)+ 114 115 sobgtr r7, L(tp2) 116 movl r11, r0 117 ret 118EPILOGUE() 119