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- /* Definitions for IBM PS2 running AIX/386.
- From: Minh Tran-Le <TRANLE@intellicorp.com>
- Copyright (C) 1988 Free Software Foundation, Inc.
-
- This file is part of GNU CC.
-
- GNU CC 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 1, or (at your option)
- any later version.
-
- GNU CC 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 GNU CC; see the file COPYING. If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-
- #include "tm-i386.h"
-
- /* Use the ATT assembler syntax. */
-
- #include "tm-att386.h"
-
- /* By default, target has a 80387. */
-
- #define TARGET_DEFAULT 1
-
- /* Use crt1.o as a startup file and crtn.o as a closing file. */
-
- #define STARTFILE_SPEC \
- "%{pg:gcrt1.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}}"
-
- #define LIB_SPEC "%{p:-L/usr/lib/libp}%{pg:-L/usr/lib/libp} -lc crtn.o%s"
-
- /* Special flags for the linker. I don't know what they do. */
-
- #define LINK_SPEC "%{!K:-K} %{!T*:-T0x00400000} %{z:-lm}"
-
- /* Specify predefined symbols in preprocessor. */
-
- #define CPP_PREDEFINES "-D_I386 -Di386 -DAIX -D_AIX"
-
- /* special flags for the aix assembler to generate the short form for all
- qualifying forward reference */
-
- #define ASM_SPEC "-s2"
-
- /* Allow #sccs in preprocessor. */
-
- #define SCCS_DIRECTIVE
-
- /* Output #ident as a .ident. */
-
- #define ASM_OUTPUT_IDENT(FILE, NAME) fprintf (FILE, "\t.ident \"%s\"\n", NAME);
-
- #undef ASM_FILE_START
- #define ASM_FILE_START(FILE) \
- do { fprintf (FILE, "\t.file\t\"%s\"\n", dump_base_name); \
- } while (0)
- /* This used to output .noopt if nonoptimizing and run ASM_FILE_START_1
- if optimizing, but that loses with the AIX assembler. */
-
- /* This was suggested, but it shouldn't be right for DBX output. -- RMS
- #define ASM_OUTPUT_SOURCE_FILENAME(FILE, NAME) */
-
- /* We want to output SDB debugging information. */
-
- #define SDB_DEBUGGING_INFO
-
- /* We don't want to output DBX debugging information. Becaus IBM AIX dbx
- use COFF format */
-
- #undef DBX_DEBUGGING_INFO
-
- /* Implicit library calls should use memcpy, not bcopy, etc. */
-
- #define TARGET_MEM_FUNCTIONS
-
- /* Writing `int' for a bitfield forces int alignment for the structure. */
-
- #define PCC_BITFIELD_TYPE_MATTERS 1
-
- /* Don't write a `.optim' pseudo; this assembler
- is said to have a bug when .optim is used. */
-
- #if 0
- #undef ASM_FILE_START_1
- #define ASM_FILE_START_1(FILE) fprintf (FILE, "\t.noopt\n");
- #endif
-
- /* Machines that use the AT&T assembler syntax
- also return floating point values in an FP register. */
- /* Define how to find the value returned by a function.
- VALTYPE is the data type of the value (as a tree).
- If the precise function being called is known, FUNC is its FUNCTION_DECL;
- otherwise, FUNC is 0. */
-
- #define VALUE_REGNO(MODE) \
- (((MODE)==SFmode || (MODE)==DFmode) ? FIRST_FLOAT_REG : 0)
-
- /* 1 if N is a possible register number for a function value. */
-
- #define FUNCTION_VALUE_REGNO_P(N) ((N) == 0 || (N)== FIRST_FLOAT_REG)
-
- /* Output assembler code to FILE to increment profiler label # LABELNO
- for profiling a function entry. */
-
- #undef FUNCTION_PROFILER
- #define FUNCTION_PROFILER(FILE, LABELNO) \
- fprintf (FILE, "\tleal %sP%d,%%eax\n\tcall mcount\n", LPREFIX, (LABELNO));
-