1/* Core target definitions for GNU compiler
2   for IBM RS/6000 PowerPC targeted to embedded ELF systems.
3   Copyright (C) 1995, 1996, 2000, 2003, 2004 Free Software Foundation, Inc.
4   Contributed by Cygnus Support.
5
6   This file is part of GCC.
7
8   GCC is free software; you can redistribute it and/or modify it
9   under the terms of the GNU General Public License as published
10   by the Free Software Foundation; either version 2, or (at your
11   option) any later version.
12
13   GCC is distributed in the hope that it will be useful, but WITHOUT
14   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
16   License for more details.
17
18   You should have received a copy of the GNU General Public License
19   along with GCC; see the file COPYING.  If not, write to the
20   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
21   MA 02110-1301, USA.  */
22
23/* Add -meabi to target flags.  */
24#undef TARGET_DEFAULT
25#define TARGET_DEFAULT (MASK_POWERPC | MASK_NEW_MNEMONICS | MASK_EABI)
26
27/* Invoke an initializer function to set up the GOT.  */
28#define NAME__MAIN "__eabi"
29#define INVOKE__main
30
31#undef TARGET_VERSION
32#define TARGET_VERSION fprintf (stderr, " (PowerPC Embedded)");
33
34#undef TARGET_OS_CPP_BUILTINS
35#define TARGET_OS_CPP_BUILTINS()          \
36  do                                      \
37    {                                     \
38      builtin_define_std ("PPC");         \
39      builtin_define ("__embedded__");    \
40      builtin_assert ("system=embedded"); \
41      builtin_assert ("cpu=powerpc");     \
42      builtin_assert ("machine=powerpc"); \
43      TARGET_OS_SYSV_CPP_BUILTINS ();     \
44    }                                     \
45  while (0)
46
47#undef TARGET_SPE_ABI
48#undef TARGET_SPE
49#undef TARGET_E500
50#undef TARGET_ISEL
51#undef TARGET_FPRS
52#undef TARGET_E500_SINGLE
53#undef TARGET_E500_DOUBLE
54
55#define TARGET_SPE_ABI rs6000_spe_abi
56#define TARGET_SPE rs6000_spe
57#define TARGET_E500 (rs6000_cpu == PROCESSOR_PPC8540)
58#define TARGET_ISEL rs6000_isel
59#define TARGET_FPRS (rs6000_float_gprs == 0)
60#define TARGET_E500_SINGLE (TARGET_HARD_FLOAT && rs6000_float_gprs == 1)
61#define TARGET_E500_DOUBLE (TARGET_HARD_FLOAT && rs6000_float_gprs == 2)
62