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annotate gcc/emit-rtl.h @ 67:f6334be47118

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update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
author nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
date Tue, 22 Mar 2011 17:18:12 +0900
parents 77e2b8dfacca
children 04ced10e8804
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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1 /* Exported functions from emit-rtl.c
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2 Copyright (C) 2004, 2007, 2008, 2010 Free Software Foundation, Inc.
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4 This file is part of GCC.
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5
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6 GCC is free software; you can redistribute it and/or modify it under
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7 the terms of the GNU General Public License as published by the Free
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8 Software Foundation; either version 3, or (at your option) any later
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9 version.
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10
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11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with GCC; see the file COPYING3. If not see
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18 <http://www.gnu.org/licenses/>. */
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19
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20 #ifndef GCC_EMIT_RTL_H
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21 #define GCC_EMIT_RTL_H
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22
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23 /* Set the alias set of MEM to SET. */
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24 extern void set_mem_alias_set (rtx, alias_set_type);
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25
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26 /* Set the alignment of MEM to ALIGN bits. */
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27 extern void set_mem_align (rtx, unsigned int);
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29 /* Set the address space of MEM to ADDRSPACE. */
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30 extern void set_mem_addr_space (rtx, addr_space_t);
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31
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32 /* Set the expr for MEM to EXPR. */
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33 extern void set_mem_expr (rtx, tree);
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34
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35 /* Set the offset for MEM to OFFSET. */
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36 extern void set_mem_offset (rtx, rtx);
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37
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38 /* Set the size for MEM to SIZE. */
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39 extern void set_mem_size (rtx, rtx);
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41 /* Set the attributes for MEM appropriate for a spill slot. */
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42 extern void set_mem_attrs_for_spill (rtx);
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43 extern tree get_spill_slot_decl (bool);
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44
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45 /* Return a memory reference like MEMREF, but with its address changed to
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46 ADDR. The caller is asserting that the actual piece of memory pointed
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47 to is the same, just the form of the address is being changed, such as
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48 by putting something into a register. */
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49 extern rtx replace_equiv_address (rtx, rtx);
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50
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51 /* Likewise, but the reference is not required to be valid. */
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52 extern rtx replace_equiv_address_nv (rtx, rtx);
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53
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54 extern rtx gen_blockage (void);
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55 extern rtvec gen_rtvec (int, ...);
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56 extern rtx copy_insn_1 (rtx);
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57 extern rtx copy_insn (rtx);
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58 extern rtx gen_int_mode (HOST_WIDE_INT, enum machine_mode);
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59 extern rtx emit_copy_of_insn_after (rtx, rtx);
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60 extern void set_reg_attrs_from_value (rtx, rtx);
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61 extern void set_reg_attrs_for_parm (rtx, rtx);
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62 extern void set_reg_attrs_for_decl_rtl (tree t, rtx x);
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63 extern void adjust_reg_mode (rtx, enum machine_mode);
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64 extern int mem_expr_equal_p (const_tree, const_tree);
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65
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66 /* Return the first insn of the current sequence or current function. */
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68 static inline rtx
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69 get_insns (void)
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70 {
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71 return crtl->emit.x_first_insn;
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72 }
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74 /* Specify a new insn as the first in the chain. */
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76 static inline void
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77 set_first_insn (rtx insn)
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78 {
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79 gcc_checking_assert (!insn || !PREV_INSN (insn));
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80 crtl->emit.x_first_insn = insn;
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81 }
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82
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83 /* Return the last insn emitted in current sequence or current function. */
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84
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85 static inline rtx
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86 get_last_insn (void)
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87 {
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88 return crtl->emit.x_last_insn;
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89 }
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91 /* Specify a new insn as the last in the chain. */
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93 static inline void
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94 set_last_insn (rtx insn)
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95 {
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96 gcc_checking_assert (!insn || !NEXT_INSN (insn));
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97 crtl->emit.x_last_insn = insn;
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98 }
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99
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100 /* Return a number larger than any instruction's uid in this function. */
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101
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102 static inline int
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103 get_max_uid (void)
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104 {
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105 return crtl->emit.x_cur_insn_uid;
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106 }
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107 #endif /* GCC_EMIT_RTL_H */