GCC Middle and Back End API Reference
Data Fields
target_gcse Struct Reference

#include <gcse.h>

Data Fields

char x_can_copy [(int) NUM_MACHINE_MODES]
bool x_can_copy_init_p

Detailed Description

Global common subexpression elimination/Partial redundancy elimination and global constant/copy propagation for GNU compiler. Copyright (C) 1997-2013 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/. Target-dependent globals.

Field Documentation

char target_gcse::x_can_copy[(int) NUM_MACHINE_MODES]

Nonzero for each mode that supports (set (reg) (reg)). This is trivially true for integer and floating point values. It may or may not be true for condition codes.

bool target_gcse::x_can_copy_init_p

True if the previous field has been initialized.

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