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Diffstat (limited to 'contrib/gcc/ssa.h')
| -rw-r--r-- | contrib/gcc/ssa.h | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/contrib/gcc/ssa.h b/contrib/gcc/ssa.h deleted file mode 100644 index 115f77d..0000000 --- a/contrib/gcc/ssa.h +++ /dev/null @@ -1,72 +0,0 @@ -/* Static Single Assignment (SSA) definitions for GNU C-Compiler - Copyright (C) 2000, 2001 Free Software Foundation, Inc. - Written by Jeffrey D. Oldham <oldham@codesourcery.com>. - -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 2, 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 COPYING. If not, write to the Free -Software Foundation, 59 Temple Place - Suite 330, Boston, MA -02111-1307, USA. */ - - -/* Main SSA routines. */ -extern void convert_to_ssa PARAMS ((void)); -extern void convert_from_ssa PARAMS ((void)); -typedef int (*successor_phi_fn) PARAMS ((rtx, int, int, void *)); -extern int for_each_successor_phi PARAMS ((basic_block bb, - successor_phi_fn, - void *)); -void compute_dominance_frontiers PARAMS ((sbitmap *frontiers, - dominance_info idom)); -extern int remove_phi_alternative PARAMS ((rtx, basic_block)); - - -/* Optimizations. */ -/* In ssa-dce.c */ -extern void ssa_eliminate_dead_code PARAMS ((void)); - -/* In ssa-ccp.c */ -extern void ssa_const_prop PARAMS ((void)); - - -/* SSA definitions and uses. */ -/* This flag is set when the CFG is in SSA form. */ -extern int in_ssa_form; - -/* Element I is the single instruction that sets register I. */ -extern GTY(()) varray_type ssa_definition; - -/* Element I is an INSN_LIST of instructions that use register I. */ -extern varray_type ssa_uses; - - -/* Specify which hard registers should be converted. */ - -/* All pseudo-registers (having register number >= - FIRST_PSEUDO_REGISTER) and hard registers satisfying - CONVERT_HARD_REGISTER_TO_SSA_P are converted to SSA form. */ - -/* Given a hard register number REG_NO, return nonzero if and only if - the register should be converted to SSA. */ - -#ifndef CONVERT_HARD_REGISTER_TO_SSA_P -#define CONVERT_HARD_REGISTER_TO_SSA_P(REG_NO) (0) /* default of no hard registers */ -#endif /* CONVERT_HARD_REGISTER_TO_SSA_P */ - -/* Given a register number REG_NO, return nonzero if and only if the - register should be converted to SSA. */ - -#define CONVERT_REGISTER_TO_SSA_P(REG_NO) \ - ((!HARD_REGISTER_NUM_P (REG_NO)) || \ - (CONVERT_HARD_REGISTER_TO_SSA_P (REG_NO))) |
