| /* 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" |
