| 1 | /* Definitions for Unix assembler syntax for the Intel 80386. |
| 2 | Copyright (C) 1988-2026 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GCC. |
| 5 | |
| 6 | GCC is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 3, or (at your option) |
| 9 | any later version. |
| 10 | |
| 11 | GCC is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 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/>. */ |
| 24 | |
| 25 | /* This file defines the aspects of assembler syntax |
| 26 | that are the same for all the i386 Unix systems |
| 27 | (though they may differ in non-Unix systems). */ |
| 28 | |
| 29 | /* Define macro used to output shift-double opcodes when the shift |
| 30 | count is in %cl. Some assemblers require %cl as an argument; |
| 31 | some don't. This macro controls what to do: by default, don't |
| 32 | print %cl. */ |
| 33 | #define SHIFT_DOUBLE_OMITS_COUNT 1 |
| 34 | |
| 35 | /* Define the syntax of pseudo-ops, labels and comments. */ |
| 36 | |
| 37 | /* String containing the assembler's comment-starter. |
| 38 | Note the trailing space is necessary in case the character |
| 39 | that immediately follows the comment is '*'. If this happens |
| 40 | and the space is not there the assembler will interpret this |
| 41 | as the start of a C-like slash-star comment and complain when |
| 42 | there is no terminator. */ |
| 43 | |
| 44 | #define "/ " |
| 45 | |
| 46 | /* Output to assembler file text saying following lines |
| 47 | may contain character constants, extra white space, comments, etc. */ |
| 48 | |
| 49 | #define ASM_APP_ON "/APP\n" |
| 50 | |
| 51 | /* Output to assembler file text saying following lines |
| 52 | no longer contain unusual constructs. */ |
| 53 | |
| 54 | #define ASM_APP_OFF "/NO_APP\n" |
| 55 | |
| 56 | /* Output before read-only data. */ |
| 57 | |
| 58 | #define TEXT_SECTION_ASM_OP "\t.text" |
| 59 | |
| 60 | /* Output before writable (initialized) data. */ |
| 61 | |
| 62 | #define DATA_SECTION_ASM_OP "\t.data" |
| 63 | |
| 64 | /* Output before writable (uninitialized) data. */ |
| 65 | |
| 66 | #define BSS_SECTION_ASM_OP "\t.bss" |
| 67 | |
| 68 | /* Globalizing directive for a label. */ |
| 69 | #define GLOBAL_ASM_OP "\t.globl\t" |
| 70 | |
| 71 | /* By default, target has a 80387, uses IEEE compatible arithmetic, |
| 72 | and returns float values in the 387. */ |
| 73 | #undef TARGET_SUBTARGET_DEFAULT |
| 74 | #define TARGET_SUBTARGET_DEFAULT \ |
| 75 | (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS) |
| 76 | |
| 77 | /* By default, 64-bit mode uses 128-bit long double. */ |
| 78 | #undef TARGET_SUBTARGET64_DEFAULT |
| 79 | #define TARGET_SUBTARGET64_DEFAULT \ |
| 80 | MASK_128BIT_LONG_DOUBLE |
| 81 | |