Mercurial > hg > CbC > CbC_gcc
comparison gcc/insn-notes.def @ 0:a06113de4d67
first commit
| author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
|---|---|
| date | Fri, 17 Jul 2009 14:47:48 +0900 |
| parents | |
| children | 77e2b8dfacca |
comparison
equal
deleted
inserted
replaced
| -1:000000000000 | 0:a06113de4d67 |
|---|---|
| 1 /* Insn note definitions. | |
| 2 Copyright (C) 2004, 2005, 2007 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 it under | |
| 7 the terms of the GNU General Public License as published by the Free | |
| 8 Software Foundation; either version 3, or (at your option) any later | |
| 9 version. | |
| 10 | |
| 11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
| 12 WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 for more details. | |
| 15 | |
| 16 You should have received a copy of the GNU General Public License | |
| 17 along with GCC; see the file COPYING3. If not see | |
| 18 <http://www.gnu.org/licenses/>. */ | |
| 19 | |
| 20 /* This file defines all the codes that may appear in the | |
| 21 NOTE_LINE_NUMBER field of a NOTE insn for kinds of notes that are | |
| 22 not line numbers. Source files define DEF_INSN_NOTE appropriately | |
| 23 before including this file. | |
| 24 | |
| 25 We are slowly removing the concept of insn-chain notes from the | |
| 26 compiler. Adding new codes to this file is STRONGLY DISCOURAGED. | |
| 27 If you think you need one, look for other ways to express what you | |
| 28 mean, such as register notes or bits in the basic-block structure. */ | |
| 29 | |
| 30 /* Shorthand. */ | |
| 31 #define INSN_NOTE(NAME) DEF_INSN_NOTE (NOTE_INSN_##NAME) | |
| 32 | |
| 33 /* This note is used to get rid of an insn when it isn't safe to patch | |
| 34 the insn out of the chain. */ | |
| 35 INSN_NOTE (DELETED) | |
| 36 | |
| 37 /* Generated in place of user-declared labels when they are deleted. */ | |
| 38 INSN_NOTE (DELETED_LABEL) | |
| 39 | |
| 40 /* These are used to mark the beginning and end of a lexical block. | |
| 41 See NOTE_BLOCK and reorder_blocks. */ | |
| 42 INSN_NOTE (BLOCK_BEG) | |
| 43 INSN_NOTE (BLOCK_END) | |
| 44 | |
| 45 /* This note indicates the start of the real body of the function, | |
| 46 i.e. the point just after all of the parms have been moved into | |
| 47 their homes, etc. */ | |
| 48 INSN_NOTE (FUNCTION_BEG) | |
| 49 | |
| 50 /* This marks the point immediately after the last prologue insn. */ | |
| 51 INSN_NOTE (PROLOGUE_END) | |
| 52 | |
| 53 /* This marks the point immediately prior to the first epilogue insn. */ | |
| 54 INSN_NOTE (EPILOGUE_BEG) | |
| 55 | |
| 56 /* These note where exception handling regions begin and end. | |
| 57 Uses NOTE_EH_HANDLER to identify the region in question. */ | |
| 58 INSN_NOTE (EH_REGION_BEG) | |
| 59 INSN_NOTE (EH_REGION_END) | |
| 60 | |
| 61 /* The location of a variable. */ | |
| 62 INSN_NOTE (VAR_LOCATION) | |
| 63 | |
| 64 /* Record the struct for the following basic block. Uses | |
| 65 NOTE_BASIC_BLOCK. FIXME: Redundant with the basic block pointer | |
| 66 now included in every insn. */ | |
| 67 INSN_NOTE (BASIC_BLOCK) | |
| 68 | |
| 69 /* Mark the inflection point in the instruction stream where we switch | |
| 70 between hot and cold text sections. */ | |
| 71 INSN_NOTE (SWITCH_TEXT_SECTIONS) | |
| 72 | |
| 73 #undef INSN_NOTE |