/* Definitions of target machine for GNU compiler, for PowerPC e500 machines running GNU/Linux. Copyright (C) 2003, 2004 Free Software Foundation, Inc. Contributed by Aldy Hernandez (aldy@quesejoda.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 2, 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 COPYING. If not, write to the Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #undef TARGET_VERSION #define TARGET_VERSION fprintf (stderr, " (PowerPC E500 GNU/Linux)"); /* Override rs6000.h and sysv4.h definition. */ #undef TARGET_DEFAULT #define TARGET_DEFAULT (MASK_POWERPC | MASK_NEW_MNEMONICS | MASK_STRICT_ALIGN) #undef TARGET_SPE_ABI #undef TARGET_SPE #undef TARGET_E500 #undef TARGET_ISEL #undef TARGET_FPRS #undef TARGET_E500_SINGLE #undef TARGET_E500_DOUBLE #define TARGET_SPE_ABI rs6000_spe_abi #define TARGET_SPE rs6000_spe #define TARGET_E500 (rs6000_cpu == PROCESSOR_PPC8540) #define TARGET_ISEL rs6000_isel #define TARGET_FPRS (rs6000_float_gprs == 0) #define TARGET_E500_SINGLE (TARGET_HARD_FLOAT && rs6000_float_gprs == 1) #define TARGET_E500_DOUBLE (TARGET_HARD_FLOAT && rs6000_float_gprs == 2) #undef SUBSUBTARGET_OVERRIDE_OPTIONS #define SUBSUBTARGET_OVERRIDE_OPTIONS \ if (rs6000_select[1].string == NULL) \ rs6000_cpu = PROCESSOR_PPC8540; \ if (!rs6000_explicit_options.abi) \ rs6000_spe_abi = 1; \ if (!rs6000_explicit_options.float_gprs) \ rs6000_float_gprs = 1; \ /* See note below. */ \ /*if (!rs6000_explicit_options.long_double)*/ \ /* rs6000_long_double_type_size = 128;*/ \ if (!rs6000_explicit_options.spe) \ rs6000_spe = 1; \ if (!rs6000_explicit_options.isel) \ rs6000_isel = 1; \ if (target_flags & MASK_64BIT) \ error ("-m64 not supported in this configuration") /* The e500 ABI says that either long doubles are 128 bits, or if implemented in any other size, the compiler/linker should error out. We have no emulation libraries for 128 bit long doubles, and I hate the dozens of failures on the regression suite. So I'm breaking ABI specifications, until I properly fix the emulation. Enable these later. #undef CPP_LONGDOUBLE_DEFAULT_SPEC #define CPP_LONGDOUBLE_DEFAULT_SPEC "-D__LONG_DOUBLE_128__=1" */ #undef ASM_DEFAULT_SPEC #define ASM_DEFAULT_SPEC "-mppc -mspe -me500"