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/* Common hooks for Renesas RX.
Copyright (C) 2008-2014 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 "diagnostic-core.h"
#include "tm.h"
#include "common/common-target.h"
#include "common/common-target-def.h"
#include "opts.h"
#include "flags.h"
/* Extra processing for target specific command line options. */
static bool
rx_handle_option (struct gcc_options *opts,
struct gcc_options *opts_set ATTRIBUTE_UNUSED,
const struct cl_decoded_option *decoded,
location_t loc)
{
size_t code = decoded->opt_index;
int value = decoded->value;
switch (code)
{
case OPT_mint_register_:
/* Make sure that the -mint-register option is in range. Other
handling in rx_option_override. */
return value >= 0 && value <= 4;
break;
case OPT_mmax_constant_size_:
/* Make sure that the -mmax-constant_size option is in range. */
return value >= 0 && value <= 4;
case OPT_mcpu_:
if ((enum rx_cpu_types) value == RX200 ||
(enum rx_cpu_types) value == RX100)
opts->x_target_flags |= MASK_NO_USE_FPU;
break;
case OPT_fpu:
if (opts->x_rx_cpu_type == RX200)
error_at (loc, "the RX200 cpu does not have FPU hardware");
else if (opts->x_rx_cpu_type == RX100)
error_at (loc, "the RX100 cpu does not have FPU hardware");
break;
default:
break;
}
return true;
}
/* Implement TARGET_OPTION_OPTIMIZATION_TABLE. */
static const struct default_options rx_option_optimization_table[] =
{
{ OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 },
{ OPT_LEVELS_NONE, 0, NULL, 0 }
};
#undef TARGET_HANDLE_OPTION
#define TARGET_HANDLE_OPTION rx_handle_option
#undef TARGET_OPTION_OPTIMIZATION_TABLE
#define TARGET_OPTION_OPTIMIZATION_TABLE rx_option_optimization_table
#undef TARGET_EXCEPT_UNWIND_INFO
#define TARGET_EXCEPT_UNWIND_INFO sjlj_except_unwind_info
struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;
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