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/* The fp-as-gp pass of Andes NDS32 cpu for GNU compiler
Copyright (C) 2012-2015 Free Software Foundation, Inc.
Contributed by Andes Technology Corporation.
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/>. */
/* ------------------------------------------------------------------------ */
#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "tm.h"
#include "input.h"
#include "alias.h"
#include "symtab.h"
#include "tree.h"
#include "stor-layout.h"
#include "varasm.h"
#include "calls.h"
#include "rtl.h"
#include "regs.h"
#include "hard-reg-set.h"
#include "insn-config.h" /* Required by recog.h. */
#include "conditions.h"
#include "output.h"
#include "insn-attr.h" /* For DFA state_t. */
#include "insn-codes.h" /* For CODE_FOR_xxx. */
#include "reload.h" /* For push_reload(). */
#include "flags.h"
#include "function.h"
#include "insn-config.h"
#include "expmed.h"
#include "dojump.h"
#include "explow.h"
#include "emit-rtl.h"
#include "stmt.h"
#include "expr.h"
#include "recog.h"
#include "diagnostic-core.h"
#include "dominance.h"
#include "cfg.h"
#include "cfgrtl.h"
#include "cfganal.h"
#include "lcm.h"
#include "cfgbuild.h"
#include "cfgcleanup.h"
#include "predict.h"
#include "basic-block.h"
#include "df.h"
#include "tm_p.h"
#include "tm-constrs.h"
#include "optabs.h" /* For GEN_FCN. */
#include "target.h"
#include "target-def.h"
#include "langhooks.h" /* For add_builtin_function(). */
#include "builtins.h"
/* ------------------------------------------------------------------------ */
/* Function to determine whether it is worth to do fp_as_gp optimization.
Return 0: It is NOT worth to do fp_as_gp optimization.
Return 1: It is APPROXIMATELY worth to do fp_as_gp optimization.
Note that if it is worth to do fp_as_gp optimization,
we MUST set FP_REGNUM ever live in this function. */
int
nds32_fp_as_gp_check_available (void)
{
/* By default we return 0. */
return 0;
}
/* ------------------------------------------------------------------------ */
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