| 1 | /* Assembler macros for m680x0. |
| 2 | Copyright (C) 2010-2026 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library. If not, see |
| 17 | <https://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include <sysdeps/m68k/sysdep.h> |
| 20 | |
| 21 | #ifdef __ASSEMBLER__ |
| 22 | |
| 23 | /* Perform operation OP with PC-relative SRC as the first operand and |
| 24 | DST as the second. TMP is available as a temporary if needed. */ |
| 25 | # define PCREL_OP(OP, SRC, DST, TMP) \ |
| 26 | OP SRC(%pc), DST |
| 27 | |
| 28 | /* Load the address of the GOT into register R. */ |
| 29 | # define LOAD_GOT(R) \ |
| 30 | lea _GLOBAL_OFFSET_TABLE_@GOTPC (%pc), R |
| 31 | |
| 32 | #else |
| 33 | |
| 34 | /* As above, but PC is the spelling of the PC register. We need this |
| 35 | so that the macro can be used in both normal and extended asms. */ |
| 36 | #define PCREL_OP(OP, SRC, DST, TMP, PC) \ |
| 37 | OP " " SRC "(" PC "), " DST |
| 38 | |
| 39 | #endif /* __ASSEMBLER__ */ |
| 40 | |
| 41 | # if defined __mc68020__ || defined __mc68030__ || defined __mc68040__ \ |
| 42 | || defined __mc68060__ |
| 43 | # define M68K_SCALE_AVAILABLE 1 |
| 44 | # else |
| 45 | # define M68K_SCALE_AVAILABLE 0 |
| 46 | # endif |