git://sourceware.org / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 5107cf1d UD |
1 | /* MIPS3 __mpn_add_n -- Add two limb vectors of the same length > 0 and |
| 2 | * store sum in a third limb vector. | |
| 3 | * | |
| 5ac4c397 | 4 | * Copyright (C) 1995, 2000 Free Software Foundation, Inc. |
| 5107cf1d UD |
5 | * |
| 6 | * This file is part of the GNU MP Library. | |
| 7 | * | |
| 8 | * The GNU MP Library is free software; you can redistribute it and/or modify | |
| 9 | * it under the terms of the GNU Library General Public License as published by | |
| 10 | * the Free Software Foundation; either version 2 of the License, or (at your | |
| 11 | * option) any later version. | |
| 12 | * | |
| 13 | * The GNU MP Library is distributed in the hope that it will be useful, but | |
| 14 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
| 15 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public | |
| 16 | * License for more details. | |
| 17 | * | |
| 18 | * You should have received a copy of the GNU Library General Public License | |
| 19 | * along with the GNU MP Library; see the file COPYING.LIB. If not, write to | |
| 20 | * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, | |
| 21 | * MA 02111-1307, USA. | |
| 22 | */ | |
| 23 | ||
| 24 | #include <sysdep.h> | |
| 25 | ||
| 26 | /* | |
| 27 | * INPUT PARAMETERS | |
| 28 | * res_ptr $4 | |
| 29 | * s1_ptr $5 | |
| 30 | * s2_ptr $6 | |
| 31 | * size $7 | |
| 32 | */ | |
| 5ac4c397 | 33 | #ifdef __PIC__ |
| 5107cf1d UD |
34 | .option pic2 |
| 35 | #endif | |
| 36 | .text | |
| 37 | .align 2 | |
| 38 | .globl __mpn_add_n | |
| 39 | .ent __mpn_add_n | |
| 40 | __mpn_add_n: | |
| 41 | .set noreorder | |
| 5ac4c397 | 42 | #ifdef __PIC__ |
| 5107cf1d UD |
43 | .cpload t9 |
| 44 | #endif | |
| 45 | .set nomacro | |
| 46 | ||
| 47 | ld $10,0($5) | |
| 48 | ld $11,0($6) | |
| 49 | ||
| 50 | daddiu $7,$7,-1 | |
| 51 | and $9,$7,4-1 # number of limbs in first loop | |
| 52 | beq $9,$0,.L0 # if multiple of 4 limbs, skip first loop | |
| 53 | move $2,$0 | |
| 54 | ||
| 55 | dsubu $7,$7,$9 | |
| 56 | ||
| 57 | .Loop0: daddiu $9,$9,-1 | |
| 58 | ld $12,8($5) | |
| 59 | daddu $11,$11,$2 | |
| 60 | ld $13,8($6) | |
| 61 | sltu $8,$11,$2 | |
| 62 | daddu $11,$10,$11 | |
| 63 | sltu $2,$11,$10 | |
| 64 | sd $11,0($4) | |
| 65 | or $2,$2,$8 | |
| 66 | ||
| 67 | daddiu $5,$5,8 | |
| 68 | daddiu $6,$6,8 | |
| 69 | move $10,$12 | |
| 70 | move $11,$13 | |
| 71 | bne $9,$0,.Loop0 | |
| 72 | daddiu $4,$4,8 | |
| 73 | ||
| 74 | .L0: beq $7,$0,.Lend | |
| 75 | nop | |
| 76 | ||
| 77 | .Loop: daddiu $7,$7,-4 | |
| 78 | ||
| 79 | ld $12,8($5) | |
| 80 | daddu $11,$11,$2 | |
| 81 | ld $13,8($6) | |
| 82 | sltu $8,$11,$2 | |
| 83 | daddu $11,$10,$11 | |
| 84 | sltu $2,$11,$10 | |
| 85 | sd $11,0($4) | |
| 86 | or $2,$2,$8 | |
| 87 | ||
| 88 | ld $10,16($5) | |
| 89 | daddu $13,$13,$2 | |
| 90 | ld $11,16($6) | |
| 91 | sltu $8,$13,$2 | |
| 92 | daddu $13,$12,$13 | |
| 93 | sltu $2,$13,$12 | |
| 94 | sd $13,8($4) | |
| 95 | or $2,$2,$8 | |
| 96 | ||
| 97 | ld $12,24($5) | |
| 98 | daddu $11,$11,$2 | |
| 99 | ld $13,24($6) | |
| 100 | sltu $8,$11,$2 | |
| 101 | daddu $11,$10,$11 | |
| 102 | sltu $2,$11,$10 | |
| 103 | sd $11,16($4) | |
| 104 | or $2,$2,$8 | |
| 105 | ||
| 106 | ld $10,32($5) | |
| 107 | daddu $13,$13,$2 | |
| 108 | ld $11,32($6) | |
| 109 | sltu $8,$13,$2 | |
| 110 | daddu $13,$12,$13 | |
| 111 | sltu $2,$13,$12 | |
| 112 | sd $13,24($4) | |
| 113 | or $2,$2,$8 | |
| 114 | ||
| 115 | daddiu $5,$5,32 | |
| 116 | daddiu $6,$6,32 | |
| 117 | ||
| 118 | bne $7,$0,.Loop | |
| 119 | daddiu $4,$4,32 | |
| 120 | ||
| 121 | .Lend: daddu $11,$11,$2 | |
| 122 | sltu $8,$11,$2 | |
| 123 | daddu $11,$10,$11 | |
| 124 | sltu $2,$11,$10 | |
| 125 | sd $11,0($4) | |
| 126 | j $31 | |
| 127 | or $2,$2,$8 | |
| 128 | ||
| 129 | .end __mpn_add_n |