diff options
author | H.J. Lu <hongjiu.lu@intel.com> | 2010-07-23 19:37:40 +0000 |
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committer | H.J. Lu <hongjiu.lu@intel.com> | 2010-07-23 19:37:40 +0000 |
commit | e59b0ef2e7a1fb44791d473ee416aeb01fcb169c (patch) | |
tree | 437dca120093cc7b1f6debf6f6b31779526c7192 /gcc/gcse.h | |
parent | f25b023a0d9de6a6c1e1965d93ba6028cb03fc7d (diff) | |
parent | 92ac755201aad4366eaff2b75b3239637bee3590 (diff) |
Merged with trunk at revision 162480.ifunc
git-svn-id: https://gcc.gnu.org/svn/gcc/branches/ifunc@162483 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/gcse.h')
-rw-r--r-- | gcc/gcse.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/gcc/gcse.h b/gcc/gcse.h new file mode 100644 index 00000000000..b4ed7f22fa1 --- /dev/null +++ b/gcc/gcse.h @@ -0,0 +1,43 @@ +/* Global common subexpression elimination/Partial redundancy elimination + and global constant/copy propagation for GNU compiler. + Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 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/>. */ + +#ifndef GCC_GCSE_H +#define GCC_GCSE_H + +/* Target-dependent globals. */ +struct target_gcse { + /* 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. */ + char x_can_copy[(int) NUM_MACHINE_MODES]; + + /* True if the previous field has been initialized. */ + bool x_can_copy_init_p; +}; + +extern GTY(()) struct target_gcse default_target_gcse; +#if SWITCHABLE_TARGET +extern struct target_gcse *this_target_gcse; +#else +#define this_target_gcse (&default_target_gcse) +#endif + +#endif |