64 lines
2.1 KiB
C
64 lines
2.1 KiB
C
/* Definitions of target machine for GNU compiler, for AMD Am29000 CPU, Unix.
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Copyright (C) 1991 Free Software Foundation, Inc.
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Contributed by Richard Kenner (kenner@nyu.edu)
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public 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 GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* This is mostly the same as a29k.h, except that we define unix instead of
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EPI and define unix-style machine names. */
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#include "a29k.h"
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/* Set our default target to be the 29050; that is the more interesting chip
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for Unix systems. */
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#undef TARGET_DEFAULT
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#define TARGET_DEFAULT (1+2+8+64)
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#undef CPP_PREDEFINES
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#define CPP_PREDEFINES "-Dam29k -Da29k -Dam29000"
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#undef CPP_SPEC
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#define CPP_SPEC "%{!m29000:-Dam29050 -D__am29050__}"
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#undef LINK_SPEC
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#define LINK_SPEC "-c /usr/lib/default.ld"
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/* We can't say "-lgcc" due to a bug in gld for now. */
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#define LINK_LIBGCC_SPECIAL
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/* For some systems, it is best if double-word objects are aligned on a
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doubleword boundary. We want to maintain compatibility with MetaWare in
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a29k.h, but do not feel constrained to do so here. */
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#undef BIGGEST_ALIGNMENT
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#define BIGGEST_ALIGNMENT 64
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#if 0 /* This would be needed except that the 29k doesn't have strict
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alignment requirements. */
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#define FUNCTION_ARG_BOUNDARY(MODE, TYPE) \
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(((TYPE) != 0) \
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? ((TYPE_ALIGN(TYPE) <= PARM_BOUNDARY) \
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? PARM_BOUNDARY \
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: TYPE_ALIGN(TYPE)) \
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: ((GET_MODE_ALIGNMENT(MODE) <= PARM_BOUNDARY) \
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? PARM_BOUNDARY \
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: GET_MODE_ALIGNMENT(MODE)))
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#endif
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