GCC Middle and Back End API Reference
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Data Fields | |
struct link * | next |
int | pos |
int | vecelt |
Generate code from machine description to perform peephole optimizations. Copyright (C) 1987-2024 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.
Referenced by copy_INSN_LIST(), df_chain_create(), df_chain_dump(), distribute_links(), gen_insn(), gen_insn(), main(), match_rtx(), and union_defs().
int link::pos |
Referenced by match_rtx().
int link::vecelt |
Referenced by match_rtx().