1/* Definitions of target machine for GNU compiler, 2 for PowerPC e500 machines running FreeBSD. 3 Based on linuxspe.h 4 Copyright (C) 2003, 2004 Free Software Foundation, Inc. 5 Contributed by Aldy Hernandez (aldy@quesejoda.com). 6 7 This file is part of GCC. 8 9 GCC is free software; you can redistribute it and/or modify it 10 under the terms of the GNU General Public License as published 11 by the Free Software Foundation; either version 2, or (at your 12 option) any later version. 13 14 GCC is distributed in the hope that it will be useful, but WITHOUT 15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 16 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 17 License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with GCC; see the file COPYING. If not, write to the 21 Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, 22 MA 02110-1301, USA. */ 23 24#undef TARGET_VERSION 25#define TARGET_VERSION fprintf (stderr, " (PowerPC E500 FreeBSD)"); 26 27/* Override rs6000.h and sysv4.h definition. */ 28#undef TARGET_DEFAULT 29#define TARGET_DEFAULT (MASK_POWERPC | MASK_NEW_MNEMONICS | MASK_STRICT_ALIGN) 30 31#undef PROCESSOR_DEFAULT 32#undef TARGET_SPE_ABI 33#undef TARGET_SPE 34#undef TARGET_E500 35#undef TARGET_ISEL 36#undef TARGET_FPRS 37#undef TARGET_E500_SINGLE 38#undef TARGET_E500_DOUBLE 39 40#define PROCESSOR_DEFAULT PROCESSOR_PPC8540 41#define TARGET_SPE_ABI rs6000_spe_abi 42#define TARGET_SPE rs6000_spe 43#define TARGET_E500 (rs6000_cpu == PROCESSOR_PPC8540) 44#define TARGET_ISEL rs6000_isel 45#define TARGET_FPRS (rs6000_float_gprs == 0) 46#define TARGET_E500_SINGLE (TARGET_HARD_FLOAT && rs6000_float_gprs == 1) 47#define TARGET_E500_DOUBLE (TARGET_HARD_FLOAT && rs6000_float_gprs == 2) 48 49#undef SUBSUBTARGET_OVERRIDE_OPTIONS 50#define SUBSUBTARGET_OVERRIDE_OPTIONS \ 51 if (rs6000_select[1].string == NULL) \ 52 rs6000_cpu = PROCESSOR_PPC8540; \ 53 if (!rs6000_explicit_options.abi) \ 54 rs6000_spe_abi = 1; \ 55 if (!rs6000_explicit_options.float_gprs) \ 56 rs6000_float_gprs = 1; \ 57 /* See note below. */ \ 58 /*if (!rs6000_explicit_options.long_double)*/ \ 59 /* rs6000_long_double_type_size = 128;*/ \ 60 if (!rs6000_explicit_options.spe) \ 61 rs6000_spe = 1; \ 62 if (!rs6000_explicit_options.isel) \ 63 rs6000_isel = 1; \ 64 if (target_flags & MASK_64BIT) \ 65 error ("-m64 not supported in this configuration") 66 67/* The e500 ABI says that either long doubles are 128 bits, or if 68 implemented in any other size, the compiler/linker should error out. 69 We have no emulation libraries for 128 bit long doubles, and I hate 70 the dozens of failures on the regression suite. So I'm breaking ABI 71 specifications, until I properly fix the emulation. 72 73 Enable these later. 74#undef CPP_LONGDOUBLE_DEFAULT_SPEC 75#define CPP_LONGDOUBLE_DEFAULT_SPEC "-D__LONG_DOUBLE_128__=1" 76*/ 77 78#undef ASM_DEFAULT_SPEC 79#define ASM_DEFAULT_SPEC "-mppc -mspe -me500" 80