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Diffstat (limited to 'lib/gcc/arm-eabi/4.6.x-google/plugin/include/reg-notes.def')
| -rw-r--r-- | lib/gcc/arm-eabi/4.6.x-google/plugin/include/reg-notes.def | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/lib/gcc/arm-eabi/4.6.x-google/plugin/include/reg-notes.def b/lib/gcc/arm-eabi/4.6.x-google/plugin/include/reg-notes.def deleted file mode 100644 index 329cd67..0000000 --- a/lib/gcc/arm-eabi/4.6.x-google/plugin/include/reg-notes.def +++ /dev/null @@ -1,191 +0,0 @@ -/* Register note definitions. - Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 - Free Software Foundation, Inc. - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free -Software Foundation; either version 3, or (at your option) any later -version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -for more details. - -You should have received a copy of the GNU General Public License -along with GCC; see the file COPYING3. If not see -<http://www.gnu.org/licenses/>. */ - -/* This file defines all the codes that may appear on individual - EXPR_LIST rtxes in the REG_NOTES chain of an insn. The codes are - stored in the mode field of the EXPR_LIST. Source files define - DEF_REG_NOTE appropriately before including this file. */ - -/* Shorthand. */ -#define REG_NOTE(NAME) DEF_REG_NOTE (REG_##NAME) - -/* REG_DEP_TRUE is used in scheduler dependencies lists to represent a - read-after-write dependency (i.e. a true data dependency). This is - here, not grouped with REG_DEP_ANTI and REG_DEP_OUTPUT, because some - passes use a literal 0 for it. */ -REG_NOTE (DEP_TRUE) - -/* The value in REG dies in this insn (i.e., it is not needed past - this insn). If REG is set in this insn, the REG_DEAD note may, - but need not, be omitted. */ -REG_NOTE (DEAD) - -/* The REG is autoincremented or autodecremented in this insn. */ -REG_NOTE (INC) - -/* Describes the insn as a whole; it says that the insn sets a - register to a constant value or to be equivalent to a memory - address. If the register is spilled to the stack then the constant - value should be substituted for it. The contents of the REG_EQUIV - is the constant value or memory address, which may be different - from the source of the SET although it has the same value. A - REG_EQUIV note may also appear on an insn which copies a register - parameter to a pseudo-register, if there is a memory address which - could be used to hold that pseudo-register throughout the function. */ -REG_NOTE (EQUIV) - -/* Like REG_EQUIV except that the destination is only momentarily - equal to the specified rtx. Therefore, it cannot be used for - substitution; but it can be used for cse. */ -REG_NOTE (EQUAL) - -/* The register is always nonnegative during the containing loop. - This is used in branches so that decrement and branch instructions - terminating on zero can be matched. There must be an insn pattern - in the md file named `decrement_and_branch_until_zero' or else this - will never be added to any instructions. */ -REG_NOTE (NONNEG) - -/* Identifies a register set in this insn and never used. */ -REG_NOTE (UNUSED) - -/* REG_CC_SETTER and REG_CC_USER link a pair of insns that set and use - CC0, respectively. Normally, these are required to be consecutive - insns, but we permit putting a cc0-setting insn in the delay slot - of a branch as long as only one copy of the insn exists. In that - case, these notes point from one to the other to allow code - generation to determine what any require information and to - properly update CC_STATUS. These notes are INSN_LISTs. */ -REG_NOTE (CC_SETTER) -REG_NOTE (CC_USER) - -/* Points to a CODE_LABEL. Used by JUMP_INSNs to say that the CODE_LABEL - contained in the REG_LABEL_TARGET note is a possible jump target of - this insn. This note is an INSN_LIST. */ -REG_NOTE (LABEL_TARGET) - -/* Points to a CODE_LABEL. Used by any insn to say that the CODE_LABEL - contained in the REG_LABEL_OPERAND note is used by the insn, but as an - operand, not as a jump target (though it may indirectly be a jump - target for a later jump insn). This note is an INSN_LIST. */ -REG_NOTE (LABEL_OPERAND) - -/* REG_DEP_OUTPUT and REG_DEP_ANTI are used in scheduler dependencies lists - to represent write-after-write and write-after-read dependencies - respectively. */ -REG_NOTE (DEP_OUTPUT) -REG_NOTE (DEP_ANTI) - -/* REG_BR_PROB is attached to JUMP_INSNs and CALL_INSNs. It has an - integer value. For jumps, it is the probability that this is a - taken branch. For calls, it is the probability that this call - won't return. */ -REG_NOTE (BR_PROB) - -/* Attached to a call insn; indicates that the call is malloc-like and - that the pointer returned cannot alias anything else. */ -REG_NOTE (NOALIAS) - -/* REG_BR_PRED is attached to JUMP_INSNs and CALL_INSNSs. It contains - CONCAT of two integer value. First specifies the branch predictor - that added the note, second specifies the predicted hitrate of - branch in the same format as REG_BR_PROB note uses. */ -REG_NOTE (BR_PRED) - -/* Attached to insns that are RTX_FRAME_RELATED_P, but are too complex - for DWARF to interpret what they imply. The attached rtx is used - instead of intuition. */ -REG_NOTE (FRAME_RELATED_EXPR) - -/* Attached to insns that are RTX_FRAME_RELATED_P, but are too complex - for FRAME_RELATED_EXPR intuition. The insn's first pattern must be - a SET, and the destination must be the CFA register. The attached - rtx is an expression that defines the CFA. In the simplest case, the - rtx could be just the stack_pointer_rtx; more common would be a PLUS - with a base register and a constant offset. In the most complicated - cases, this will result in a DW_CFA_def_cfa_expression with the rtx - expression rendered in a dwarf location expression. */ -REG_NOTE (CFA_DEF_CFA) - -/* Attached to insns that are RTX_FRAME_RELATED_P, but are too complex - for FRAME_RELATED_EXPR intuition. This note adjusts the expression - from which the CFA is computed. The attached rtx defines a new CFA - expression, relative to the old CFA expression. This rtx must be of - the form (SET new-cfa-reg (PLUS old-cfa-reg const_int)). If the note - rtx is NULL, we use the first SET of the insn. */ -REG_NOTE (CFA_ADJUST_CFA) - -/* Similar to FRAME_RELATED_EXPR, with the additional information that - this is a save to memory, i.e. will result in DW_CFA_offset or the - like. The pattern or the insn should be a simple store relative to - the CFA. */ -REG_NOTE (CFA_OFFSET) - -/* Similar to FRAME_RELATED_EXPR, with the additional information that this - is a save to a register, i.e. will result in DW_CFA_register. The insn - or the pattern should be simple reg-reg move. */ -REG_NOTE (CFA_REGISTER) - -/* Attached to insns that are RTX_FRAME_RELATED_P, but are too complex - for FRAME_RELATED_EXPR intuition. This is a save to memory, i.e. will - result in a DW_CFA_expression. The pattern or the insn should be a - store of a register to an arbitrary (non-validated) memory address. */ -REG_NOTE (CFA_EXPRESSION) - -/* Attached to insns that are RTX_FRAME_RELATED_P, with the information - that this is a restore operation, i.e. will result in DW_CFA_restore - or the like. Either the attached rtx, or the destination of the insn's - first pattern is the register to be restored. */ -REG_NOTE (CFA_RESTORE) - -/* Attached to insn that is RTX_FRAME_RELATED_P, marks insn that sets - vDRAP from DRAP. If vDRAP is a register, vdrap_reg is initalized - to the argument, if it is a MEM, it is ignored. */ -REG_NOTE (CFA_SET_VDRAP) - -/* Indicates that REG holds the exception context for the function. - This context is shared by inline functions, so the code to acquire - the real exception context is delayed until after inlining. */ -REG_NOTE (EH_CONTEXT) - -/* Indicates what exception region an INSN belongs in. This is used - to indicate what region to which a call may throw. REGION 0 - indicates that a call cannot throw at all. REGION -1 indicates - that it cannot throw, nor will it execute a non-local goto. */ -REG_NOTE (EH_REGION) - -/* Used by haifa-sched to save NOTE_INSN notes across scheduling. */ -REG_NOTE (SAVE_NOTE) - -/* Indicates that a call does not return. */ -REG_NOTE (NORETURN) - -/* Indicates that an indirect jump is a non-local goto instead of a - computed goto. */ -REG_NOTE (NON_LOCAL_GOTO) - -/* Indicates that a jump crosses between hot and cold sections in a - (partitioned) assembly or .o file, and therefore should not be - reduced to a simpler jump by optimizations. */ -REG_NOTE (CROSSING_JUMP) - -/* This kind of note is generated at each to `setjmp', and similar - functions that can return twice. */ -REG_NOTE (SETJMP) |