GCC Middle and Back End API Reference
Data Fields
link Struct Reference
Collaboration diagram for link:
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Data Fields

struct link * next
int pos
int vecelt

Detailed Description

@verbatim Generate code from machine description to perform peephole optimizations.

Copyright (C) 1987-2013 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/. 

While tree-walking an instruction pattern, we keep a chain
   of these `struct link's to record how to get down to the
   current position.  In each one, POS is the operand number,
   and if the operand is a vector VEC is the element number.
   VEC is -1 if the operand is not a vector.

Field Documentation

struct link* link::next

Referenced by match_rtx(), and print_path().

int link::pos

Referenced by match_rtx(), and print_path().

int link::vecelt

Referenced by match_rtx(), and print_path().

The documentation for this struct was generated from the following file: