[thirdparty/gcc.git] / gcc / common / config / sh / sh-common.c

/* Common hooks for Renesas / SuperH SH.
   Copyright (C) 1993-2018 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"
#include "params.h"

/* Set default optimization options.  */
static const struct default_options sh_option_optimization_table[] =
  {
    { OPT_LEVELS_SIZE, OPT_mdiv_, SH_DIV_STR_FOR_SIZE, 1 },
    { OPT_LEVELS_0_ONLY, OPT_mdiv_, "", 1 },
    { OPT_LEVELS_NONE, 0, NULL, 0 }
  };

/* Implement TARGET_HANDLE_OPTION.  */

static bool
sh_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_m1:
      opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH1;
      return true;

    case OPT_m2:
      opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH2;
      return true;

    case OPT_m2a:
      opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH2A;
      return true;

    case OPT_m2a_nofpu:
      opts->x_target_flags
	= (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH2A_NOFPU;
      return true;

    case OPT_m2a_single:
      opts->x_target_flags
	= (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH2A_SINGLE;
      return true;

    case OPT_m2a_single_only:
      opts->x_target_flags
	= (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH2A_SINGLE_ONLY;
      return true;

    case OPT_m2e:
      opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH2E;
      return true;

    case OPT_m3:
      opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH3;
      return true;

    case OPT_m3e:
      opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH3E;
      return true;

    case OPT_m4:
    case OPT_m4_100:
    case OPT_m4_200:
    case OPT_m4_300:
      opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH4;
      return true;

    case OPT_m4_nofpu:
    case OPT_m4_100_nofpu:
    case OPT_m4_200_nofpu:
    case OPT_m4_300_nofpu:
    case OPT_m4_340:
    case OPT_m4_400:
    case OPT_m4_500:
      opts->x_target_flags
	= (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH4_NOFPU;
      return true;

    case OPT_m4_single:
    case OPT_m4_100_single:
    case OPT_m4_200_single:
    case OPT_m4_300_single:
      opts->x_target_flags
	= (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH4_SINGLE;
      return true;

    case OPT_m4_single_only:
    case OPT_m4_100_single_only:
    case OPT_m4_200_single_only:
    case OPT_m4_300_single_only:
      opts->x_target_flags
	= (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH4_SINGLE_ONLY;
      return true;

    case OPT_m4a:
      opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH4A;
      return true;

    case OPT_m4a_nofpu:
    case OPT_m4al:
      opts->x_target_flags
	= (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH4A_NOFPU;
      return true;

    case OPT_m4a_single:
      opts->x_target_flags
	= (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH4A_SINGLE;
      return true;

    case OPT_m4a_single_only:
      opts->x_target_flags
	= (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH4A_SINGLE_ONLY;
      return true;

    default:
      return true;
    }
}

/* Implement TARGET_OPTION_DEFAULT_PARAMS.  */
static void
sh_option_default_params (void)
{
  set_default_param_value (PARAM_SIMULTANEOUS_PREFETCHES, 2);
}

#undef TARGET_OPTION_OPTIMIZATION_TABLE
#define TARGET_OPTION_OPTIMIZATION_TABLE sh_option_optimization_table
#undef TARGET_OPTION_DEFAULT_PARAMS
#define TARGET_OPTION_DEFAULT_PARAMS sh_option_default_params
#undef TARGET_DEFAULT_TARGET_FLAGS
#define TARGET_DEFAULT_TARGET_FLAGS TARGET_DEFAULT
#undef TARGET_HANDLE_OPTION
#define TARGET_HANDLE_OPTION sh_handle_option

struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;
Commit	Line	Data
677f3fa8	1	/* Common hooks for Renesas / SuperH SH.
85ec4feb	2	Copyright (C) 1993-2018 Free Software Foundation, Inc.
677f3fa8 JM	3
	4	This file is part of GCC.
	5
	6	GCC is free software; you can redistribute it and/or modify
	7	it under the terms of the GNU General Public License as published by
	8	the Free Software Foundation; either version 3, or (at your option)
	9	any later version.
	10
	11	GCC is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	GNU General Public License for more details.
	15
	16	You should have received a copy of the GNU General Public License
	17	along with GCC; see the file COPYING3. If not see
	18	<http://www.gnu.org/licenses/>. */
	19
	20	#include "config.h"
	21	#include "system.h"
	22	#include "coretypes.h"
	23	#include "tm.h"
	24	#include "common/common-target.h"
	25	#include "common/common-target-def.h"
	26	#include "opts.h"
	27	#include "flags.h"
4c77620d	28	#include "params.h"
677f3fa8 JM	29
	30	/* Set default optimization options. */
	31	static const struct default_options sh_option_optimization_table[] =
	32	{
677f3fa8 JM	33	{ OPT_LEVELS_SIZE, OPT_mdiv_, SH_DIV_STR_FOR_SIZE, 1 },
677f3fa8 JM	34	{ OPT_LEVELS_0_ONLY, OPT_mdiv_, "", 1 },
677f3fa8 JM	35	{ OPT_LEVELS_NONE, 0, NULL, 0 }
	36	};
	37
	38	/* Implement TARGET_HANDLE_OPTION. */
	39
	40	static bool
	41	sh_handle_option (struct gcc_options *opts,
	42	struct gcc_options *opts_set ATTRIBUTE_UNUSED,
	43	const struct cl_decoded_option *decoded,
	44	location_t loc ATTRIBUTE_UNUSED)
	45	{
	46	size_t code = decoded->opt_index;
	47
	48	switch (code)
	49	{
	50	case OPT_m1:
	51	opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) \| SELECT_SH1;
	52	return true;
	53
	54	case OPT_m2:
	55	opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) \| SELECT_SH2;
	56	return true;
	57
	58	case OPT_m2a:
	59	opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) \| SELECT_SH2A;
	60	return true;
	61
	62	case OPT_m2a_nofpu:
	63	opts->x_target_flags
	64	= (opts->x_target_flags & ~MASK_ARCH) \| SELECT_SH2A_NOFPU;
	65	return true;
	66
	67	case OPT_m2a_single:
	68	opts->x_target_flags
	69	= (opts->x_target_flags & ~MASK_ARCH) \| SELECT_SH2A_SINGLE;
	70	return true;
	71
	72	case OPT_m2a_single_only:
	73	opts->x_target_flags
	74	= (opts->x_target_flags & ~MASK_ARCH) \| SELECT_SH2A_SINGLE_ONLY;
	75	return true;
	76
	77	case OPT_m2e:
	78	opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) \| SELECT_SH2E;
	79	return true;
	80
	81	case OPT_m3:
	82	opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) \| SELECT_SH3;
	83	return true;
	84
	85	case OPT_m3e:
	86	opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) \| SELECT_SH3E;
	87	return true;
	88
	89	case OPT_m4:
	90	case OPT_m4_100:
	91	case OPT_m4_200:
	92	case OPT_m4_300:
	93	opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) \| SELECT_SH4;
	94	return true;
	95
	96	case OPT_m4_nofpu:
	97	case OPT_m4_100_nofpu:
	98	case OPT_m4_200_nofpu:
99	case OPT_m4_300_nofpu:
100	case OPT_m4_340:
101	case OPT_m4_400:
102	case OPT_m4_500:
103	opts->x_target_flags
104	= (opts->x_target_flags & ~MASK_ARCH) \| SELECT_SH4_NOFPU;
105	return true;
106
107	case OPT_m4_single:
108	case OPT_m4_100_single:
109	case OPT_m4_200_single:
110	case OPT_m4_300_single:
111	opts->x_target_flags
112	= (opts->x_target_flags & ~MASK_ARCH) \| SELECT_SH4_SINGLE;
113	return true;
114
115	case OPT_m4_single_only:
116	case OPT_m4_100_single_only:
117	case OPT_m4_200_single_only:
118	case OPT_m4_300_single_only:
119	opts->x_target_flags
120	= (opts->x_target_flags & ~MASK_ARCH) \| SELECT_SH4_SINGLE_ONLY;
121	return true;
122
123	case OPT_m4a:
124	opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) \| SELECT_SH4A;
125	return true;
126
127	case OPT_m4a_nofpu:
128	case OPT_m4al:
129	opts->x_target_flags
130	= (opts->x_target_flags & ~MASK_ARCH) \| SELECT_SH4A_NOFPU;
131	return true;
132
133	case OPT_m4a_single:
134	opts->x_target_flags
135	= (opts->x_target_flags & ~MASK_ARCH) \| SELECT_SH4A_SINGLE;
136	return true;
137
138	case OPT_m4a_single_only:
139	opts->x_target_flags
140	= (opts->x_target_flags & ~MASK_ARCH) \| SELECT_SH4A_SINGLE_ONLY;
141	return true;
142
677f3fa8 JM	143	default:
	144	return true;
	145	}
	146	}
	147
4c77620d JM	148	/* Implement TARGET_OPTION_DEFAULT_PARAMS. */
	149	static void
	150	sh_option_default_params (void)
	151	{
	152	set_default_param_value (PARAM_SIMULTANEOUS_PREFETCHES, 2);
	153	}
	154
677f3fa8 JM	155	#undef TARGET_OPTION_OPTIMIZATION_TABLE
677f3fa8 JM	156	#define TARGET_OPTION_OPTIMIZATION_TABLE sh_option_optimization_table
4c77620d JM	157	#undef TARGET_OPTION_DEFAULT_PARAMS
4c77620d JM	158	#define TARGET_OPTION_DEFAULT_PARAMS sh_option_default_params
677f3fa8 JM	159	#undef TARGET_DEFAULT_TARGET_FLAGS
	160	#define TARGET_DEFAULT_TARGET_FLAGS TARGET_DEFAULT
	161	#undef TARGET_HANDLE_OPTION
	162	#define TARGET_HANDLE_OPTION sh_handle_option
	163
	164	struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;