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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [insn-notes.def] - Blame information for rev 280

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1 280 jeremybenn
/* Insn note definitions.
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   Copyright (C) 2004, 2005, 2007 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3.  If not see
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.  */
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/* This file defines all the codes that may appear in the
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   NOTE_LINE_NUMBER field of a NOTE insn for kinds of notes that are
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   not line numbers.  Source files define DEF_INSN_NOTE appropriately
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   before including this file.
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   We are slowly removing the concept of insn-chain notes from the
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   compiler.  Adding new codes to this file is STRONGLY DISCOURAGED.
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   If you think you need one, look for other ways to express what you
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   mean, such as register notes or bits in the basic-block structure.  */
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/* Shorthand.  */
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#define INSN_NOTE(NAME) DEF_INSN_NOTE (NOTE_INSN_##NAME)
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/* This note is used to get rid of an insn when it isn't safe to patch
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   the insn out of the chain.  */
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INSN_NOTE (DELETED)
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/* Generated in place of user-declared labels when they are deleted.  */
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INSN_NOTE (DELETED_LABEL)
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/* These are used to mark the beginning and end of a lexical block.
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   See NOTE_BLOCK and reorder_blocks.  */
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INSN_NOTE (BLOCK_BEG)
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INSN_NOTE (BLOCK_END)
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/* This note indicates the start of the real body of the function,
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   i.e. the point just after all of the parms have been moved into
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   their homes, etc.  */
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INSN_NOTE (FUNCTION_BEG)
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/* This marks the point immediately after the last prologue insn.  */
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INSN_NOTE (PROLOGUE_END)
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/* This marks the point immediately prior to the first epilogue insn.  */
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INSN_NOTE (EPILOGUE_BEG)
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/* These note where exception handling regions begin and end.
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   Uses NOTE_EH_HANDLER to identify the region in question.  */
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INSN_NOTE (EH_REGION_BEG)
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INSN_NOTE (EH_REGION_END)
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/* The location of a variable.  */
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INSN_NOTE (VAR_LOCATION)
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/* Record the struct for the following basic block.  Uses
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   NOTE_BASIC_BLOCK.  FIXME: Redundant with the basic block pointer
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   now included in every insn.  */
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INSN_NOTE (BASIC_BLOCK)
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/* Mark the inflection point in the instruction stream where we switch
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   between hot and cold text sections.  */
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INSN_NOTE (SWITCH_TEXT_SECTIONS)
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/* Mark the restore point after an epilogue changed CFI data.  Used only
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   when an epilogue appears in the middle of a function.  */
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INSN_NOTE (CFA_RESTORE_STATE)
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#undef INSN_NOTE

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