1 /* Definitions for Unix assembler syntax for the Intel 80386. 2 Copyright (C) 1988-2013 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. */ 37 38 /* String containing the assembler's comment-starter. 39 Note the trailing space is necessary in case the character 40 that immediately follows the comment is '*'. If this happens 41 and the space is not there the assembler will interpret this 42 as the start of a C-like slash-star comment and complain when 43 there is no terminator. */ 44 45 #define ASM_COMMENT_START "/ " 46 47 /* Output to assembler file text saying following lines 48 may contain character constants, extra white space, comments, etc. */ 49 50 #define ASM_APP_ON "/APP\n" 51 52 /* Output to assembler file text saying following lines 53 no longer contain unusual constructs. */ 54 55 #define ASM_APP_OFF "/NO_APP\n" 56 57 /* Output before read-only data. */ 58 59 #define TEXT_SECTION_ASM_OP "\t.text" 60 61 /* Output before writable (initialized) data. */ 62 63 #define DATA_SECTION_ASM_OP "\t.data" 64 65 /* Output before writable (uninitialized) data. */ 66 67 #define BSS_SECTION_ASM_OP "\t.bss" 68 69 /* Globalizing directive for a label. */ 70 #define GLOBAL_ASM_OP "\t.globl\t" 71 72 /* By default, target has a 80387, uses IEEE compatible arithmetic, 73 and returns float values in the 387. */ 74 #undef TARGET_SUBTARGET_DEFAULT 75 #define TARGET_SUBTARGET_DEFAULT \ 76 (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS) 77 78 /* By default, 64-bit mode uses 128-bit long double. */ 79 #undef TARGET_SUBTARGET64_DEFAULT 80 #define TARGET_SUBTARGET64_DEFAULT \ 81 MASK_128BIT_LONG_DOUBLE 82
