1 /* Copyright (C) 2003-2021 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, see 16 <https://www.gnu.org/licenses/>. */ 17 18 #ifdef __ASSEMBLER__ 19 20 #define _IMP1 #1 21 #define _IMM1 #-1 22 #define _IMM4 #-4 23 #define _IMM6 #-6 24 #define _IMM8 #-8 25 26 #define INC(mem, reg) \ 27 .align 2; \ 28 mova 99f, r0; \ 29 mov r15, r1; \ 30 mov _IMM6, r15; \ 31 98: mov.l mem, reg; \ 32 add _IMP1, reg; \ 33 mov.l reg, mem; \ 34 99: mov r1, r15 35 36 #define DEC(mem, reg) \ 37 .align 2; \ 38 mova 99f, r0; \ 39 mov r15, r1; \ 40 mov _IMM6, r15; \ 41 98: mov.l mem, reg; \ 42 add _IMM1, reg; \ 43 mov.l reg, mem; \ 44 99: mov r1, r15 45 46 #define XADD(reg, mem, old, tmp) \ 47 .align 2; \ 48 mova 99f, r0; \ 49 nop; \ 50 mov r15, r1; \ 51 mov _IMM8, r15; \ 52 98: mov.l mem, old; \ 53 mov reg, tmp; \ 54 add old, tmp; \ 55 mov.l tmp, mem; \ 56 99: mov r1, r15 57 58 #define XCHG(reg, mem, old) \ 59 .align 2; \ 60 mova 99f, r0; \ 61 nop; \ 62 mov r15, r1; \ 63 mov _IMM4, r15; \ 64 98: mov.l mem, old; \ 65 mov.l reg, mem; \ 66 99: mov r1, r15 67 68 #define CMPXCHG(reg, mem, new, old) \ 69 .align 2; \ 70 mova 99f, r0; \ 71 nop; \ 72 mov r15, r1; \ 73 mov _IMM8, r15; \ 74 98: mov.l mem, old; \ 75 cmp/eq old, reg; \ 76 bf 99f; \ 77 mov.l new, mem; \ 78 99: mov r1, r15 79 80 #endif /* __ASSEMBLER__ */ 81