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julius |
/* Definitions of target machine for GNU compiler,
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for PowerPC e500 machines running GNU/Linux.
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Copyright (C) 2003, 2004, 2007 Free Software Foundation, Inc.
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Contributed by Aldy Hernandez (aldy@quesejoda.com).
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published
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by the Free Software Foundation; either version 3, or (at your
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option) any later version.
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GCC is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#undef TARGET_VERSION
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#define TARGET_VERSION fprintf (stderr, " (PowerPC E500 GNU/Linux)");
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/* Override rs6000.h and sysv4.h definition. */
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#undef TARGET_DEFAULT
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#define TARGET_DEFAULT (MASK_POWERPC | MASK_NEW_MNEMONICS | MASK_STRICT_ALIGN)
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#undef TARGET_SPE_ABI
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#undef TARGET_SPE
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#undef TARGET_E500
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#undef TARGET_ISEL
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#undef TARGET_FPRS
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#undef TARGET_E500_SINGLE
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#undef TARGET_E500_DOUBLE
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#define TARGET_SPE_ABI rs6000_spe_abi
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#define TARGET_SPE rs6000_spe
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#define TARGET_E500 (rs6000_cpu == PROCESSOR_PPC8540)
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#define TARGET_ISEL rs6000_isel
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#define TARGET_FPRS (rs6000_float_gprs == 0)
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#define TARGET_E500_SINGLE (TARGET_HARD_FLOAT && rs6000_float_gprs == 1)
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#define TARGET_E500_DOUBLE (TARGET_HARD_FLOAT && rs6000_float_gprs == 2)
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#undef SUBSUBTARGET_OVERRIDE_OPTIONS
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#define SUBSUBTARGET_OVERRIDE_OPTIONS \
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if (rs6000_select[1].string == NULL) \
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rs6000_cpu = PROCESSOR_PPC8540; \
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if (!rs6000_explicit_options.abi) \
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rs6000_spe_abi = 1; \
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if (!rs6000_explicit_options.float_gprs) \
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rs6000_float_gprs = 1; \
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/* See note below. */ \
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/*if (!rs6000_explicit_options.long_double)*/ \
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/* rs6000_long_double_type_size = 128;*/ \
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if (!rs6000_explicit_options.spe) \
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rs6000_spe = 1; \
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if (!rs6000_explicit_options.isel) \
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rs6000_isel = 1; \
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if (target_flags & MASK_64BIT) \
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error ("-m64 not supported in this configuration")
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/* The e500 ABI says that either long doubles are 128 bits, or if
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implemented in any other size, the compiler/linker should error out.
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We have no emulation libraries for 128 bit long doubles, and I hate
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the dozens of failures on the regression suite. So I'm breaking ABI
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specifications, until I properly fix the emulation.
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Enable these later.
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#undef CPP_LONGDOUBLE_DEFAULT_SPEC
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#define CPP_LONGDOUBLE_DEFAULT_SPEC "-D__LONG_DOUBLE_128__=1"
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*/
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#undef ASM_DEFAULT_SPEC
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#define ASM_DEFAULT_SPEC "-mppc -mspe -me500"
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