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1 /* Definitions for Unix assembler syntax for the Intel 80386.
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2 Copyright (C) 1988, 1994, 1999, 2000, 2001, 2002, 2007, 2009
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3 Free Software Foundation, Inc.
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4
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5 This file is part of GCC.
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6
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7 GCC is free software; you can redistribute it and/or modify
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8 it under the terms of the GNU General Public License as published by
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9 the Free Software Foundation; either version 3, or (at your option)
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10 any later version.
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11
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12 GCC is distributed in the hope that it will be useful,
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13 but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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16
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17 Under Section 7 of GPL version 3, you are granted additional
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18 permissions described in the GCC Runtime Library Exception, version
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19 3.1, as published by the Free Software Foundation.
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20
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21 You should have received a copy of the GNU General Public License and
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22 a copy of the GCC Runtime Library Exception along with this program;
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23 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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24 <http://www.gnu.org/licenses/>. */
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25
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26 /* This file defines the aspects of assembler syntax
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27 that are the same for all the i386 Unix systems
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28 (though they may differ in non-Unix systems). */
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29
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30 /* Define macro used to output shift-double opcodes when the shift
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31 count is in %cl. Some assemblers require %cl as an argument;
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32 some don't. This macro controls what to do: by default, don't
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33 print %cl. */
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34 #define SHIFT_DOUBLE_OMITS_COUNT 1
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35
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36 /* Define the syntax of pseudo-ops, labels and comments. */
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37
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38 /* String containing the assembler's comment-starter. */
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39
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40 #define ASM_COMMENT_START "/"
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41
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42 /* Output to assembler file text saying following lines
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43 may contain character constants, extra white space, comments, etc. */
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44
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45 #define ASM_APP_ON "/APP\n"
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46
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47 /* Output to assembler file text saying following lines
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48 no longer contain unusual constructs. */
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49
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50 #define ASM_APP_OFF "/NO_APP\n"
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51
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52 /* Output before read-only data. */
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53
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54 #define TEXT_SECTION_ASM_OP "\t.text"
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55
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56 /* Output before writable (initialized) data. */
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57
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58 #define DATA_SECTION_ASM_OP "\t.data"
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59
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60 /* Output before writable (uninitialized) data. */
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61
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62 #define BSS_SECTION_ASM_OP "\t.bss"
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63
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64 /* Globalizing directive for a label. */
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65 #define GLOBAL_ASM_OP ".globl "
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66
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67 /* By default, target has a 80387, uses IEEE compatible arithmetic,
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68 and returns float values in the 387. */
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69 #undef TARGET_SUBTARGET_DEFAULT
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70 #define TARGET_SUBTARGET_DEFAULT \
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71 (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS)
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72
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73 /* By default, 64-bit mode uses 128-bit long double. */
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74 #undef TARGET_SUBTARGET64_DEFAULT
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75 #define TARGET_SUBTARGET64_DEFAULT \
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76 MASK_128BIT_LONG_DOUBLE
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