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Diffstat (limited to 'contrib/gcc/config/rs6000/linuxspe.h')
-rw-r--r-- | contrib/gcc/config/rs6000/linuxspe.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/contrib/gcc/config/rs6000/linuxspe.h b/contrib/gcc/config/rs6000/linuxspe.h new file mode 100644 index 0000000..59eb831 --- /dev/null +++ b/contrib/gcc/config/rs6000/linuxspe.h @@ -0,0 +1,70 @@ +/* Definitions of target machine for GNU compiler, + for PowerPC e500 machines running GNU/Linux. + Copyright (C) 2003 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, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, 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) + +#undef TARGET_SPE_ABI +#undef TARGET_SPE +#undef TARGET_E500 +#undef TARGET_ISEL +#undef TARGET_FPRS + +#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) + +#undef SUBSUBTARGET_OVERRIDE_OPTIONS +#define SUBSUBTARGET_OVERRIDE_OPTIONS \ + if (rs6000_select[1].string == NULL) \ + rs6000_cpu = PROCESSOR_PPC8540; \ + if (rs6000_abi_string == NULL || strstr (rs6000_abi_string, "spe") == NULL) \ + rs6000_spe_abi = 1; \ + if (rs6000_float_gprs_string == NULL) \ + rs6000_float_gprs = 1; \ + /* See note below. */ \ + /*if (rs6000_long_double_size_string == NULL)*/ \ + /* rs6000_long_double_type_size = 128;*/ \ + if (rs6000_spe_string == NULL) \ + rs6000_spe = 1; \ + if (rs6000_isel_string == NULL) \ + rs6000_isel = 1 + +/* 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" |