Initial revision

From-SVN: r2577

diff --git a/gcc/config/i386/aix386ng.h b/gcc/config/i386/aix386ng.h
new file mode 100644 (file)
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+++ b/gcc/config/i386/aix386ng.h
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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 2, 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 "i386.h"
+
+/* Get the generic definitions for system V.3.  */
+
+#include "svr3.h"
+
+/* Use the ATT assembler syntax.
+   This overrides at least one macro (ASM_OUTPUT_LABELREF) from svr3.h.  */
+
+#include "att386.h"
+
+/* 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}} crtbegin.o%s"
+
+#define LIB_SPEC "%{p:-L/usr/lib/libp}%{pg:-L/usr/lib/libp} -lc \
+  crtend.o%s crtn.o%s"
+
+/* Special flags for the linker.  I don't know what they do.  */
+
+#define LINK_SPEC "%{K} %{!K:-K} %{T*} %{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"
+
+#undef ASM_FILE_START
+#define ASM_FILE_START(FILE)                                   \
+  do { fprintf (FILE, "\t.file\t\"%s\"\n", dump_base_name);    \
+       if (optimize)                                           \
+          ASM_FILE_START_1 (FILE);                             \
+       else                                                    \
+          fprintf (FILE, "\t.noopt\n");                                \
+     } while (0)
+
+/* This was suggested, but it shouldn't be right for DBX output. -- RMS
+   #define ASM_OUTPUT_SOURCE_FILENAME(FILE, NAME) */
+
+/* Writing `int' for a bitfield forces int alignment for the structure.  */
+
+#define PCC_BITFIELD_TYPE_MATTERS 1
+
+#if 0
+/* Don't write a `.optim' pseudo; this assembler
+   is said to have a bug when .optim is used.  */
+
+#undef ASM_FILE_START_1
+#define ASM_FILE_START_1(FILE) fprintf (FILE, "\t.noopt\n");
+#endif
+\f
+/* 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));
+
+/* Note that using bss_section here caused errors
+   in building shared libraries on system V.3.
+   but AIX 1.2 does not have yet shareable libraries on PS2 */
+#undef ASM_OUTPUT_LOCAL
+#define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED)  \
+  (bss_section (),                                     \
+   ASM_OUTPUT_LABEL ((FILE), (NAME)),                  \
+   fprintf ((FILE), "\t.set .,.+%u\n", (ROUNDED)))