1/* Definitions for Unix assembler syntax for the Intel 80386.
2 Copyright (C) 1988-2017 Free Software Foundation, Inc.
3
4This file is part of GCC.
5
6GCC is free software; you can redistribute it and/or modify
7it under the terms of the GNU General Public License as published by
8the Free Software Foundation; either version 3, or (at your option)
9any later version.
10
11GCC is distributed in the hope that it will be useful,
12but WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14GNU General Public License for more details.
15
16Under Section 7 of GPL version 3, you are granted additional
17permissions described in the GCC Runtime Library Exception, version
183.1, as published by the Free Software Foundation.
19
20You should have received a copy of the GNU General Public License and
21a copy of the GCC Runtime Library Exception along with this program;
22see 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 ASM_COMMENT_START "/ "
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