gnu/dist/gcc4/gcc/config/rs6000/eabispe.h

   1 /* Core target definitions for GNU compiler
   2    for PowerPC embedded targeted systems with SPE support.
   3    Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
   4    Contributed by Aldy Hernandez (aldyh@redhat.com).
   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 #undef  TARGET_DEFAULT
  24 #define TARGET_DEFAULT (MASK_POWERPC | MASK_NEW_MNEMONICS | MASK_EABI   \
  25   | MASK_STRICT_ALIGN)
  26
  27 #undef  TARGET_VERSION
  28 #define TARGET_VERSION fprintf (stderr, " (PowerPC Embedded SPE)");
  29
  30 #undef  SUBSUBTARGET_OVERRIDE_OPTIONS
  31 #define SUBSUBTARGET_OVERRIDE_OPTIONS \
  32   if (rs6000_select[1].string == NULL) \
  33     rs6000_cpu = PROCESSOR_PPC8540; \
  34   if (!rs6000_explicit_options.abi) \
  35     rs6000_spe_abi = 1; \
  36   if (!rs6000_explicit_options.float_gprs) \
  37     rs6000_float_gprs = 1; \
  38   /* See note below.  */ \
  39   /*if (!rs6000_explicit_options.long_double)*/ \
  40   /*  rs6000_long_double_type_size = 128;*/ \
  41   if (!rs6000_explicit_options.spe) \
  42     rs6000_spe = 1; \
  43   if (!rs6000_explicit_options.isel) \
  44     rs6000_isel = 1; \
  45   if (target_flags & MASK_64BIT) \
  46     error ("-m64 not supported in this configuration")
  47
  48 /* The e500 ABI says that either long doubles are 128 bits, or if
  49    implemented in any other size, the compiler/linker should error out.
  50    We have no emulation libraries for 128 bit long doubles, and I hate
  51    the dozens of failures on the regression suite.  So I'm breaking ABI
  52    specifications, until I properly fix the emulation.
  53
  54    Enable these later.
  55 #undef CPP_LONGDOUBLE_DEFAULT_SPEC
  56 #define CPP_LONGDOUBLE_DEFAULT_SPEC "-D__LONG_DOUBLE_128__=1"
  57 */
  58
  59 #undef  ASM_DEFAULT_SPEC
  60 #define ASM_DEFAULT_SPEC "-mppc -mspe -me500"