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/* Common hooks for CRIS.
Copyright (C) 1998-2014 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 "tm.h"
#include "common/common-target.h"
#include "common/common-target-def.h"
#include "opts.h"
#include "flags.h"
/* Implement TARGET_OPTION_OPTIMIZATION_TABLE. */
static const struct default_options cris_option_optimization_table[] =
{
{ OPT_LEVELS_2_PLUS, OPT_fomit_frame_pointer, NULL, 1 },
{ OPT_LEVELS_NONE, 0, NULL, 0 }
};
/* TARGET_HANDLE_OPTION worker. We just store the values into local
variables here. Checks for correct semantics are in
cris_option_override. */
static bool
cris_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_metrax100:
opts->x_target_flags
|= (MASK_SVINTO
+ MASK_ETRAX4_ADD
+ MASK_ALIGN_BY_32);
break;
case OPT_mno_etrax100:
opts->x_target_flags
&= ~(MASK_SVINTO
+ MASK_ETRAX4_ADD
+ MASK_ALIGN_BY_32);
break;
case OPT_m32_bit:
case OPT_m32bit:
opts->x_target_flags
|= (MASK_STACK_ALIGN
+ MASK_CONST_ALIGN
+ MASK_DATA_ALIGN
+ MASK_ALIGN_BY_32);
break;
case OPT_m16_bit:
case OPT_m16bit:
opts->x_target_flags
|= (MASK_STACK_ALIGN
+ MASK_CONST_ALIGN
+ MASK_DATA_ALIGN);
break;
case OPT_m8_bit:
case OPT_m8bit:
opts->x_target_flags
&= ~(MASK_STACK_ALIGN
+ MASK_CONST_ALIGN
+ MASK_DATA_ALIGN);
break;
default:
break;
}
return true;
}
#undef TARGET_DEFAULT_TARGET_FLAGS
#define TARGET_DEFAULT_TARGET_FLAGS (TARGET_DEFAULT | CRIS_SUBTARGET_DEFAULT)
#undef TARGET_HANDLE_OPTION
#define TARGET_HANDLE_OPTION cris_handle_option
#undef TARGET_OPTION_OPTIMIZATION_TABLE
#define TARGET_OPTION_OPTIMIZATION_TABLE cris_option_optimization_table
struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;
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