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

/* Pragma handling for GCC for Renesas / SuperH SH.
   Copyright (C) 1993-2015 Free Software Foundation, Inc.
   Contributed by Joern Rennecke <joern.rennecke@st.com>.

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 "alias.h"
#include "tree.h"
#include "stringpool.h"
#include "attribs.h"
#include "tm_p.h"
#include "cpplib.h"
#include "c-family/c-common.h"
#include "target.h"

/* Handle machine specific pragmas to be semi-compatible with Renesas
   compiler.  */

/* Add ATTR to the attributes of the current function.  If there is no
   such function, save it to be added to the attributes of the next
   function.  */
static void
sh_add_function_attribute (const char *attr)
{
  tree id = get_identifier (attr);

  if (current_function_decl)
    decl_attributes (&current_function_decl,
		     tree_cons (id, NULL_TREE, NULL_TREE), 0);
  else
    {
      *sh_deferred_function_attributes_tail
	= tree_cons (id, NULL_TREE, *sh_deferred_function_attributes_tail);
      sh_deferred_function_attributes_tail
	= &TREE_CHAIN (*sh_deferred_function_attributes_tail);
    }
}

void
sh_pr_interrupt (struct cpp_reader *pfile ATTRIBUTE_UNUSED)
{
  sh_add_function_attribute ("interrupt_handler");
}

void
sh_pr_trapa (struct cpp_reader *pfile ATTRIBUTE_UNUSED)
{
  sh_add_function_attribute ("trapa_handler");
}

void
sh_pr_nosave_low_regs (struct cpp_reader *pfile ATTRIBUTE_UNUSED)
{
  sh_add_function_attribute ("nosave_low_regs");
}

#define builtin_define(TXT) cpp_define (pfile, TXT)
#define builtin_assert(TXT) cpp_assert (pfile, TXT)

/* Implement the TARGET_CPU_CPP_BUILTINS macro  */
void
sh_cpu_cpp_builtins (cpp_reader* pfile)
{
  builtin_define ("__sh__");
  builtin_assert ("cpu=sh");
  builtin_assert ("machine=sh");
  switch ((int) sh_cpu)
    {
    case PROCESSOR_SH1:
      builtin_define ("__sh1__");
      builtin_define ("__SH1__");
      break;
    case PROCESSOR_SH2:
      builtin_define ("__sh2__");
      builtin_define ("__SH2__");
      break;
    case PROCESSOR_SH2E:
      builtin_define ("__SH2E__");
      break;
    case PROCESSOR_SH2A:
      builtin_define ("__SH2A__");
      if (TARGET_SH2A_DOUBLE)
	builtin_define (TARGET_FPU_SINGLE
			? "__SH2A_SINGLE__" : "__SH2A_DOUBLE__");
      else
	builtin_define (TARGET_FPU_ANY
			? "__SH2A_SINGLE_ONLY__" : "__SH2A_NOFPU__");
      break;
    case PROCESSOR_SH3:
      builtin_define ("__sh3__");
      builtin_define ("__SH3__");
      if (TARGET_HARD_SH4)
	builtin_define ("__SH4_NOFPU__");
      break;
    case PROCESSOR_SH3E:
      builtin_define (TARGET_HARD_SH4 ? "__SH4_SINGLE_ONLY__" : "__SH3E__");
      break;
    case PROCESSOR_SH4:
      builtin_define (TARGET_FPU_SINGLE ? "__SH4_SINGLE__" : "__SH4__");
      break;
    case PROCESSOR_SH4A: \
      builtin_define ("__SH4A__");
      builtin_define (TARGET_SH4
		      ? (TARGET_FPU_SINGLE ? "__SH4_SINGLE__" : "__SH4__")
		      : TARGET_FPU_ANY ? "__SH4_SINGLE_ONLY__"
		      : "__SH4_NOFPU__");
      break;
    case PROCESSOR_SH5:
      {
	builtin_define_with_value ("__SH5__",
				   TARGET_SHMEDIA64 ? "64" : "32", 0);
	builtin_define_with_value ("__SHMEDIA__",
				   TARGET_SHMEDIA ? "1" : "0", 0);
	if (! TARGET_FPU_DOUBLE)
	  builtin_define ("__SH4_NOFPU__");
      }
    }
  if (TARGET_FPU_ANY)
    builtin_define ("__SH_FPU_ANY__");
  if (TARGET_FPU_DOUBLE)
    builtin_define ("__SH_FPU_DOUBLE__");
  if (TARGET_HITACHI)
    builtin_define ("__HITACHI__");
  if (TARGET_FMOVD)
    builtin_define ("__FMOVD_ENABLED__");
  builtin_define (TARGET_LITTLE_ENDIAN
		  ? "__LITTLE_ENDIAN__" : "__BIG_ENDIAN__");

  cpp_define_formatted (pfile, "__SH_ATOMIC_MODEL_%s__",
			selected_atomic_model ().cdef_name);
}
Commit	Line	Data
57d5535b	1	/* Pragma handling for GCC for Renesas / SuperH SH.
d353bf18	2	Copyright (C) 1993-2015 Free Software Foundation, Inc.
57d5535b	3	Contributed by Joern Rennecke <joern.rennecke@st.com>.
	4
	5	This file is part of GCC.
	6
	7	GCC is free software; you can redistribute it and/or modify
	8	it under the terms of the GNU General Public License as published by
038d1e19	9	the Free Software Foundation; either version 3, or (at your option)
57d5535b	10	any later version.
	11
	12	GCC is distributed in the hope that it will be useful,
	13	but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	GNU General Public License for more details.
	16
	17	You should have received a copy of the GNU General Public License
038d1e19	18	along with GCC; see the file COPYING3. If not see
038d1e19	19	<http://www.gnu.org/licenses/>. */
57d5535b	20
	21	#include "config.h"
	22	#include "system.h"
	23	#include "coretypes.h"
	24	#include "tm.h"
b20a8bb4	25	#include "alias.h"
57d5535b	26	#include "tree.h"
9ed99284	27	#include "stringpool.h"
f616b318	28	#include "attribs.h"
57d5535b	29	#include "tm_p.h"
cfaba078	30	#include "cpplib.h"
	31	#include "c-family/c-common.h"
	32	#include "target.h"
57d5535b	33
	34	/* Handle machine specific pragmas to be semi-compatible with Renesas
	35	compiler. */
	36
	37	/* Add ATTR to the attributes of the current function. If there is no
	38	such function, save it to be added to the attributes of the next
	39	function. */
	40	static void
	41	sh_add_function_attribute (const char *attr)
	42	{
	43	tree id = get_identifier (attr);
	44
	45	if (current_function_decl)
	46	decl_attributes (&current_function_decl,
	47	tree_cons (id, NULL_TREE, NULL_TREE), 0);
	48	else
	49	{
	50	*sh_deferred_function_attributes_tail
	51	= tree_cons (id, NULL_TREE, *sh_deferred_function_attributes_tail);
	52	sh_deferred_function_attributes_tail
	53	= &TREE_CHAIN (*sh_deferred_function_attributes_tail);
	54	}
	55	}
	56
	57	void
	58	sh_pr_interrupt (struct cpp_reader *pfile ATTRIBUTE_UNUSED)
	59	{
	60	sh_add_function_attribute ("interrupt_handler");
	61	}
	62
	63	void
	64	sh_pr_trapa (struct cpp_reader *pfile ATTRIBUTE_UNUSED)
	65	{
	66	sh_add_function_attribute ("trapa_handler");
	67	}
	68
	69	void
	70	sh_pr_nosave_low_regs (struct cpp_reader *pfile ATTRIBUTE_UNUSED)
	71	{
	72	sh_add_function_attribute ("nosave_low_regs");
	73	}
cfaba078	74
	75	#define builtin_define(TXT) cpp_define (pfile, TXT)
	76	#define builtin_assert(TXT) cpp_assert (pfile, TXT)
	77
	78	/* Implement the TARGET_CPU_CPP_BUILTINS macro */
	79	void
	80	sh_cpu_cpp_builtins (cpp_reader* pfile)
	81	{
	82	builtin_define ("__sh__");
	83	builtin_assert ("cpu=sh");
	84	builtin_assert ("machine=sh");
	85	switch ((int) sh_cpu)
	86	{
	87	case PROCESSOR_SH1:
	88	builtin_define ("__sh1__");
	89	builtin_define ("__SH1__");
	90	break;
	91	case PROCESSOR_SH2:
	92	builtin_define ("__sh2__");
	93	builtin_define ("__SH2__");
	94	break;
	95	case PROCESSOR_SH2E:
	96	builtin_define ("__SH2E__");
	97	break;
	98	case PROCESSOR_SH2A:
	99	builtin_define ("__SH2A__");
	100	if (TARGET_SH2A_DOUBLE)
	101	builtin_define (TARGET_FPU_SINGLE
	102	? "__SH2A_SINGLE__" : "__SH2A_DOUBLE__");
	103	else
	104	builtin_define (TARGET_FPU_ANY
	105	? "__SH2A_SINGLE_ONLY__" : "__SH2A_NOFPU__");
	106	break;
	107	case PROCESSOR_SH3:
	108	builtin_define ("__sh3__");
	109	builtin_define ("__SH3__");
	110	if (TARGET_HARD_SH4)
	111	builtin_define ("__SH4_NOFPU__");
	112	break;
	113	case PROCESSOR_SH3E:
	114	builtin_define (TARGET_HARD_SH4 ? "__SH4_SINGLE_ONLY__" : "__SH3E__");
	115	break;
	116	case PROCESSOR_SH4:
	117	builtin_define (TARGET_FPU_SINGLE ? "__SH4_SINGLE__" : "__SH4__");
	118	break;
	119	case PROCESSOR_SH4A: \
	120	builtin_define ("__SH4A__");
	121	builtin_define (TARGET_SH4
	122	? (TARGET_FPU_SINGLE ? "__SH4_SINGLE__" : "__SH4__")
	123	: TARGET_FPU_ANY ? "__SH4_SINGLE_ONLY__"
	124	: "__SH4_NOFPU__");
	125	break;
	126	case PROCESSOR_SH5:
	127	{
	128	builtin_define_with_value ("__SH5__",
	129	TARGET_SHMEDIA64 ? "64" : "32", 0);
	130	builtin_define_with_value ("__SHMEDIA__",
	131	TARGET_SHMEDIA ? "1" : "0", 0);
	132	if (! TARGET_FPU_DOUBLE)
	133	builtin_define ("__SH4_NOFPU__");
	134	}
	135	}
	136	if (TARGET_FPU_ANY)
	137	builtin_define ("__SH_FPU_ANY__");
138	if (TARGET_FPU_DOUBLE)
139	builtin_define ("__SH_FPU_DOUBLE__");
140	if (TARGET_HITACHI)
141	builtin_define ("__HITACHI__");
142	if (TARGET_FMOVD)
143	builtin_define ("__FMOVD_ENABLED__");
144	builtin_define (TARGET_LITTLE_ENDIAN
145	? "__LITTLE_ENDIAN__" : "__BIG_ENDIAN__");
146
147	cpp_define_formatted (pfile, "__SH_ATOMIC_MODEL_%s__",
148	selected_atomic_model ().cdef_name);
149	}