91 lines
3.1 KiB
C
91 lines
3.1 KiB
C
/* Definitions of target machine for GNU compiler,
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for IBM RS/6000 POWER running AIX version 4.1.
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Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc.
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Contributed by David Edelsohn (edelsohn@npac.syr.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, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* Enable AIX XL compiler calling convention breakage compatibility. */
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#define MASK_XL_CALL 0x40000000
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#define TARGET_XL_CALL (target_flags & MASK_XL_CALL)
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#undef SUBTARGET_SWITCHES
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#define SUBTARGET_SWITCHES \
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{"xl-call", MASK_XL_CALL}, \
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{"no-xl-call", - MASK_XL_CALL},
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#include "rs6000/rs6000.h"
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#undef ASM_SPEC
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#define ASM_SPEC "-u %(asm_cpu)"
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#undef CPP_PREDEFINES
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#define CPP_PREDEFINES "-D_IBMR2 -D_POWER -D_AIX -D_AIX32 \
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-Asystem(unix) -Asystem(aix)"
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#undef CPP_SPEC
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#define CPP_SPEC "%{posix: -D_POSIX_SOURCE} %(cpp_cpu)"
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#undef CPP_DEFAULT_SPEC
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#define CPP_DEFAULT_SPEC "-D_ARCH_COM"
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#undef ASM_DEFAULT_SPEC
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#define ASM_DEFAULT_SPEC "-mcom"
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#undef TARGET_DEFAULT
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#define TARGET_DEFAULT MASK_NEW_MNEMONICS
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#undef PROCESSOR_DEFAULT
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#define PROCESSOR_DEFAULT PROCESSOR_PPC601
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/* Define this macro as a C expression for the initializer of an
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array of string to tell the driver program which options are
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defaults for this target and thus do not need to be handled
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specially when using `MULTILIB_OPTIONS'.
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Do not define this macro if `MULTILIB_OPTIONS' is not defined in
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the target makefile fragment or if none of the options listed in
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`MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */
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#undef MULTILIB_DEFAULTS
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#define MULTILIB_DEFAULTS { "mcpu=common" }
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/* These are not necessary when we pass -u to the assembler, and undefining
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them saves a great deal of space in object files. */
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#undef ASM_OUTPUT_EXTERNAL
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#undef ASM_OUTPUT_EXTERNAL_LIBCALL
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#define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \
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{ rtx _symref = XEXP (DECL_RTL (DECL), 0); \
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if ((TREE_CODE (DECL) == VAR_DECL \
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|| TREE_CODE (DECL) == FUNCTION_DECL) \
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&& (NAME)[strlen (NAME) - 1] != ']') \
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{ \
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char *_name = (char *) permalloc (strlen (XSTR (_symref, 0)) + 5); \
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strcpy (_name, XSTR (_symref, 0)); \
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strcat (_name, TREE_CODE (DECL) == FUNCTION_DECL ? "[DS]" : "[RW]"); \
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XSTR (_symref, 0) = _name; \
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} \
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}
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#undef LINK_SPEC
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#define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro} -bnodelcsect\
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%{static:-bnso %(link_syscalls) } %{!shared: %{g*: %(link_libg) }}\
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%{shared:-bM:SRE %{!e:-bnoentry}}"
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