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/* Common hooks for MIPS.
Copyright (C) 1989-2015 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/>. */
#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "tm.h"
#include "common/common-target.h"
#include "common/common-target-def.h"
#include "opts.h"
#include "flags.h"
/* Implement TARGET_HANDLE_OPTION. */
static bool
mips_handle_option (struct gcc_options *opts,
struct gcc_options *opts_set ATTRIBUTE_UNUSED,
const struct cl_decoded_option *decoded,
location_t loc ATTRIBUTE_UNUSED)
{
size_t code = decoded->opt_index;
switch (code)
{
case OPT_mno_flush_func:
opts->x_mips_cache_flush_func = NULL;
return true;
case OPT_mfp32:
case OPT_mfp64:
opts->x_target_flags &= ~MASK_FLOATXX;
return true;
case OPT_mfpxx:
opts->x_target_flags &= ~MASK_FLOAT64;
return true;
default:
return true;
}
}
/* Implement TARGET_OPTION_OPTIMIZATION_TABLE. */
static const struct default_options mips_option_optimization_table[] =
{
{ OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 },
{ OPT_LEVELS_NONE, 0, NULL, 0 }
};
#undef TARGET_OPTION_OPTIMIZATION_TABLE
#define TARGET_OPTION_OPTIMIZATION_TABLE mips_option_optimization_table
#undef TARGET_DEFAULT_TARGET_FLAGS
#define TARGET_DEFAULT_TARGET_FLAGS \
(TARGET_DEFAULT \
| TARGET_CPU_DEFAULT \
| TARGET_ENDIAN_DEFAULT \
| MASK_CHECK_ZERO_DIV)
#undef TARGET_HANDLE_OPTION
#define TARGET_HANDLE_OPTION mips_handle_option
struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;
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