projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| 7857f134 | 1 | /* libgcc routines for the FR30. |
| a5544970 | 2 | Copyright (C) 1998-2019 Free Software Foundation, Inc. |
| 309dd885 | 3 | |
| 7ec022b2 | 4 | This file is part of GCC. |
| 309dd885 | 5 | |
| 7ec022b2 | 6 | GCC is free software; you can redistribute it and/or modify it |
| 309dd885 | 7 | under the terms of the GNU General Public License as published by the |
| 748086b7 | 8 | Free Software Foundation; either version 3, or (at your option) any |
| 309dd885 NC |
9 | later version. |
| 10 | ||
| 309dd885 NC |
11 | This file is distributed in the hope that it will be useful, but |
| 12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 | General Public License for more details. | |
| 15 | ||
| 748086b7 JJ |
16 | Under Section 7 of GPL version 3, you are granted additional |
| 17 | permissions described in the GCC Runtime Library Exception, version | |
| 18 | 3.1, as published by the Free Software Foundation. | |
| 19 | ||
| 20 | You should have received a copy of the GNU General Public License and | |
| 21 | a copy of the GCC Runtime Library Exception along with this program; | |
| 22 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
| 23 | <http://www.gnu.org/licenses/>. */ | |
| 309dd885 | 24 | |
| 309dd885 NC |
25 | .macro FUNC_START name |
| 26 | .text | |
| 27 | .globl __\name | |
| 28 | .type __\name, @function | |
| 29 | __\name: | |
| 30 | .endm | |
| 31 | ||
| 32 | .macro FUNC_END name | |
| 33 | .size __\name, . - __\name | |
| 34 | .endm | |
| 35 | ||
| 36 | .macro DIV_BODY reg number | |
| 37 | .if \number | |
| 38 | DIV_BODY \reg, "\number - 1" | |
| 39 | div1 \reg | |
| 40 | .endif | |
| 41 | .endm | |
| 42 | ||
| 43 | #ifdef L_udivsi3 | |
| 44 | FUNC_START udivsi3 | |
| 45 | ;; Perform an unsiged division of r4 / r5 and place the result in r4. | |
| 46 | ;; Does not handle overflow yet... | |
| 47 | mov r4, mdl | |
| 48 | div0u r5 | |
| 49 | DIV_BODY r5 32 | |
| 50 | mov mdl, r4 | |
| 51 | ret | |
| 52 | FUNC_END udivsi3 | |
| 53 | #endif /* L_udivsi3 */ | |
| 54 | ||
| 55 | #ifdef L_divsi3 | |
| 56 | FUNC_START divsi3 | |
| 57 | ;; Perform a siged division of r4 / r5 and place the result in r4. | |
| 58 | ;; Does not handle overflow yet... | |
| 59 | mov r4, mdl | |
| 60 | div0s r5 | |
| 61 | DIV_BODY r5 32 | |
| 62 | div2 r5 | |
| 63 | div3 | |
| 64 | div4s | |
| 65 | mov mdl, r4 | |
| 66 | ret | |
| 67 | FUNC_END divsi3 | |
| 68 | #endif /* L_divsi3 */ | |
| 69 | ||
| 70 | #ifdef L_umodsi3 | |
| 71 | FUNC_START umodsi3 | |
| 72 | ;; Perform an unsiged division of r4 / r5 and places the remainder in r4. | |
| 73 | ;; Does not handle overflow yet... | |
| 74 | mov r4, mdl | |
| 75 | div0u r5 | |
| 76 | DIV_BODY r5 32 | |
| 77 | mov mdh, r4 | |
| 78 | ret | |
| 79 | FUNC_END umodsi3 | |
| 80 | #endif /* L_umodsi3 */ | |
| 81 | ||
| 82 | #ifdef L_modsi3 | |
| 83 | FUNC_START modsi3 | |
| 84 | ;; Perform a siged division of r4 / r5 and place the remainder in r4. | |
| 85 | ;; Does not handle overflow yet... | |
| 86 | mov r4, mdl | |
| 87 | div0s r5 | |
| 88 | DIV_BODY r5 32 | |
| 89 | div2 r5 | |
| 90 | div3 | |
| 91 | div4s | |
| 92 | mov mdh, r4 | |
| 93 | ret | |
| 94 | FUNC_END modsi3 | |
| 95 | #endif /* L_modsi3 */ | |
| 96 | ||
| 97 | #ifdef L_negsi2 | |
| 98 | FUNC_START negsi2 | |
| 99 | ldi:8 #0, r0 | |
| 100 | sub r4, r0 | |
| 101 | mov r0, r4 | |
| 102 | ret | |
| 103 | FUNC_END negsi2 | |
| 104 | #endif /* L_negsi2 */ | |
| 105 | ||
| 106 | #ifdef L_one_cmplsi2 | |
| 107 | FUNC_START one_cmplsi2 | |
| 108 | ldi:8 #0xff, r0 | |
| 109 | extsb r0 | |
| 110 | eor r0, r4 | |
| 111 | ret | |
| 112 | FUNC_END one_cmplsi2 | |
| 113 | #endif /* L_one_cmplsi2 */ | |
| 114 | ||
| 115 |