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. 7 8dnl The GNU MP Library is free software; you can redistribute it and/or modify 9dnl it under the terms of the GNU Lesser General Public License as published 10dnl by the Free Software Foundation; either version 3 of the License, or (at 11dnl your option) any later version. 12 13dnl The GNU MP Library is distributed in the hope that it will be useful, but 14dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 15dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 16dnl License for more details. 17 18dnl You should have received a copy of the GNU Lesser General Public License 19dnl along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. 20 21include(`../config.m4') 22 23ASM_START() 24PROLOGUE(mpn_mul_1) 25 .word 0xfc0 26 movl 12(ap), r4 27 movl 8(ap), r8 28 movl 4(ap), r9 29 clrl r3 30 incl r4 31 ashl $-1, r4, r7 32 clrl r11 33 movl 16(ap), r6 34 jlss L(v0_big) 35 jlbc r4, L(1) 36 37C Loop for v0 < 0x80000000 38L(tp1): movl (r8)+, r1 39 jlss L(1n0) 40 emul r1, r6, $0, r2 41 addl2 r11, r2 42 adwc $0, r3 43 movl r2, (r9)+ 44L(1): movl (r8)+, r1 45 jlss L(1n1) 46L(1p1): emul r1, r6, $0, r10 47 addl2 r3, r10 48 adwc $0, r11 49 movl r10, (r9)+ 50 51 sobgtr r7, L(tp1) 52 movl r11, r0 53 ret 54 55L(1n0): emul r1, r6, $0, r2 56 addl2 r11, r2 57 adwc r6, r3 58 movl r2, (r9)+ 59 movl (r8)+, r1 60 jgeq L(1p1) 61L(1n1): emul r1, r6, $0, r10 62 addl2 r3, r10 63 adwc r6, r11 64 movl r10, (r9)+ 65 66 sobgtr r7, L(tp1) 67 movl r11, r0 68 ret 69 70L(v0_big): 71 jlbc r4, L(2) 72 73C Loop for v0 >= 0x80000000 74L(tp2): movl (r8)+, r1 75 jlss L(2n0) 76 emul r1, r6, $0, r2 77 addl2 r11, r2 78 adwc r1, r3 79 movl r2, (r9)+ 80L(2): movl (r8)+, r1 81 jlss L(2n1) 82L(2p1): emul r1, r6, $0, r10 83 addl2 r3, r10 84 adwc r1, r11 85 movl r10, (r9)+ 86 87 sobgtr r7, L(tp2) 88 movl r11, r0 89 ret 90 91L(2n0): emul r1, r6, $0, r2 92 addl2 r1, r3 93 addl2 r11, r2 94 adwc r6, r3 95 movl r2, (r9)+ 96 movl (r8)+, r1 97 jgeq L(2p1) 98L(2n1): emul r1, r6, $0, r10 99 addl2 r1, r11 100 addl2 r3, r10 101 adwc r6, r11 102 movl r10, (r9)+ 103 104 sobgtr r7, L(tp2) 105 movl r11, r0 106 ret 107EPILOGUE() 108