annotate gcc/config/i386/att.h @ 63:b7f97abdc517 gcc-4.6-20100522

update gcc from gcc-4.5.0 to gcc-4.6
author ryoma <e075725@ie.u-ryukyu.ac.jp>
date Mon, 24 May 2010 12:47:05 +0900
parents 77e2b8dfacca
children f6334be47118
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /* Definitions for AT&T assembler syntax for the Intel 80386.
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2 Copyright (C) 1988, 1996, 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
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27 /* Define the syntax of instructions and addresses. */
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28
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29 /* Prefix for internally generated assembler labels. */
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30 #define LPREFIX ".L"
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31
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32 /* Assembler pseudos to introduce constants of various size. */
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33
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34 #define ASM_BYTE "\t.byte\t"
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35 #define ASM_SHORT "\t.value\t"
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36 #define ASM_LONG "\t.long\t"
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37 #define ASM_QUAD "\t.quad\t" /* Should not be used for 32bit compilation. */
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38
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39 /* How to output an ASCII string constant. */
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40
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41 #undef ASM_OUTPUT_ASCII
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42 #define ASM_OUTPUT_ASCII(FILE, PTR, SIZE) \
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43 do \
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44 { size_t i = 0, limit = (SIZE); \
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45 while (i < limit) \
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46 { if (i%10 == 0) { if (i!=0) putc ('\n', (FILE)); \
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47 fputs (ASM_BYTE, (FILE)); } \
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48 else putc (',', (FILE)); \
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49 fprintf ((FILE), "0x%x", ((PTR)[i++] & 0377)) ;} \
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50 putc ('\n', (FILE)); \
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51 } while (0)
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52
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53 /* Output at beginning of assembler file. */
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54 #define TARGET_ASM_FILE_START_FILE_DIRECTIVE true
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55
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56 /* This is how to output an assembler line
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57 that says to advance the location counter
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58 to a multiple of 2**LOG bytes. */
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59
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60 #define ASM_OUTPUT_ALIGN(FILE,LOG) \
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61 if ((LOG)!=0) fprintf ((FILE), "\t.align %d\n", 1<<(LOG))
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62
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63 /* This is how to output an assembler line
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64 that says to advance the location counter by SIZE bytes. */
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65
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66 #undef ASM_OUTPUT_SKIP
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67 #define ASM_OUTPUT_SKIP(FILE,SIZE) \
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68 fprintf ((FILE), "\t.set .,.+%u\n", (int)(SIZE))
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69
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70 /* Can't use ASM_OUTPUT_SKIP in text section; it doesn't leave 0s. */
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71
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72 #define ASM_NO_SKIP_IN_TEXT 1
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73
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74 /* Define the syntax of labels and symbol definitions/declarations. */
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75
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76 /* The prefix to add for compiler private assembler symbols. */
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77 #undef LOCAL_LABEL_PREFIX
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78 #define LOCAL_LABEL_PREFIX "."
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79
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80 /* This is how to store into the string BUF
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81 the symbol_ref name of an internal numbered label where
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82 PREFIX is the class of label and NUM is the number within the class.
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83 This is suitable for output with `assemble_name'. */
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84
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85 #undef ASM_GENERATE_INTERNAL_LABEL
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86 #define ASM_GENERATE_INTERNAL_LABEL(BUF,PREFIX,NUMBER) \
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87 sprintf ((BUF), LOCAL_LABEL_PREFIX "%s%ld", (PREFIX), (long)(NUMBER))
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88
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89 /* The prefix to add to user-visible assembler symbols. */
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90
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91 #undef USER_LABEL_PREFIX
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92 #define USER_LABEL_PREFIX ""