From 1d21dbd39b6de887f890215adf3f6f0c242df2d3 Mon Sep 17 00:00:00 2001
From: Michael Meissner <meissner@gcc.gnu.org>
Date: Mon, 23 Dec 1991 16:38:26 +0000
Subject: [PATCH] Initial revision

From-SVN: r128
---
 gcc/config/i386/osfrose.h | 186 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 186 insertions(+)
 create mode 100644 gcc/config/i386/osfrose.h

diff --git a/gcc/config/i386/osfrose.h b/gcc/config/i386/osfrose.h
new file mode 100644
index 00000000000..160e5abb543
--- /dev/null
+++ b/gcc/config/i386/osfrose.h
@@ -0,0 +1,186 @@
+/* Definitions of target machine for GNU compiler.  
+   Encore Multimax (OSF/1 with OSF/rose) version.
+   Copyright (C) 1991 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 "i386gas.h"
+
+#define OSF_OS
+
+/* Use a more friendly abort which prints internal compiler error,
+   rather than just dumping core.  */
+
+#ifndef abort
+#define abort fancy_abort
+#endif
+
+/* Prefix that appears before all global/static identifiers, except for
+   temporary labels.  */
+
+#define IDENTIFIER_PREFIX "_"
+
+/* Suffix that appears after all global/static identifiers, except for
+   temporary labels.  */
+
+#define IDENTIFIER_SUFFIX ""
+
+/* Change default predefines.  */
+#ifdef CPP_PREDEFINES
+#undef CPP_PREDEFINES
+#endif
+#define CPP_PREDEFINES "-DOSF -DOSF1 -Dunix -Di386"
+
+#ifdef  CPP_SPEC  
+#undef  CPP_SPEC
+#endif
+#define CPP_SPEC       "%{.S:	-D__LANGUAGE_ASSEMBLY__			\
+				-D_LANGUAGE_ASSEMBLY			\
+				%{!ansi:-DLANGUAGE_ASSEMBLY}}		\
+			 %{!.S:	-D__LANGUAGE_C__			\
+				-D_LANGUAGE_C				\
+				%{!ansi:-DLANGUAGE_C}}"
+
+#ifdef  CC1_SPEC
+#undef  CC1_SPEC
+#endif
+#define CC1_SPEC       ""
+
+#ifdef ASM_SPEC
+#undef ASM_SPEC
+#endif
+#define ASM_SPEC       ""
+
+#ifdef  LINK_SPEC
+#undef  LINK_SPEC
+#endif
+#define LINK_SPEC      "%{v*: -v}                           \
+                        %{pic-none: -noshrlib} %{noshrlib}  \
+			%{!pic-none: -warn_nopic}           \
+                        %{nostdlib} %{glue}"
+
+#ifdef  LIB_SPEC
+#undef  LIB_SPEC
+#endif
+
+/* For now, force static libraries instead of shared, but do so that
+   does not use -noshrlib, since the old linker does not provide it.  */
+
+#define LIB_SPEC "%{!pic-none: %{!pic-lib: -L/usr/ccs/lib }} -lc"
+
+#ifdef  LIBG_SPEC
+#undef  LIBG_SPEC
+#endif
+#define LIBG_SPEC      ""
+
+#ifdef  STARTFILE_SPEC  
+#undef  STARTFILE_SPEC
+#endif
+#define STARTFILE_SPEC "%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}"
+
+#ifdef  MACHINE_TYPE
+#undef  MACHINE_TYPE
+#endif
+
+#define MACHINE_TYPE   ((!TARGET_486) ? "80386 running OSF/1 with OSF/rose objects" :  \
+                                        "80486 running OSF/1 with OSF/rose objects")
+
+#if 0
+#ifdef  MD_EXEC_PREFIX  
+#undef  MD_EXEC_PREFIX
+#endif
+#define MD_EXEC_PREFIX		"/usr/ccs/gcc/"
+
+#ifdef  MD_STARTFILE_PREFIX  
+#undef  MD_STARTFILE_PREFIX
+#endif
+#define MD_STARTFILE_PREFIX	"/usr/ccs/lib/"
+#endif
+
+/* Tell final.c we don't need a label passed to mcount.  */
+#define NO_PROFILE_DATA
+
+#undef  FUNCTION_PROFILER
+#define FUNCTION_PROFILER(FILE, LABELNO) fprintf (FILE, "\tcall _mcount\n")
+
+/* Tell collect that the object format is OSF/rose.  */
+#define OBJECT_FORMAT_ROSE
+
+
+/* Defines to be able to build gnulib with GCC.  */
+
+#define perform_udivsi3(a,b)						\
+{									\
+  register int dx asm("dx");						\
+  register int ax asm("ax");						\
+									\
+  dx = 0;								\
+  ax = a;								\
+  asm ("divl %3" : "=a" (ax), "=d" (dx) : "a" (ax), "g" (b), "d" (dx));	\
+  return ax;								\
+}
+
+#define perform_divsi3(a,b)							\
+{									\
+  register int dx asm("dx");						\
+  register int ax asm("ax");						\
+									\
+  ax = a;								\
+  asm ("cltd\n\tidivl %3" : "=a" (ax), "=d" (dx) : "a" (ax), "g" (b));	\
+  return ax;								\
+}
+
+#define perform_umodsi3(a,b)						\
+{									\
+  register int dx asm("dx");						\
+  register int ax asm("ax");						\
+									\
+  dx = 0;								\
+  ax = a;								\
+  asm ("divl %3" : "=a" (ax), "=d" (dx) : "a" (ax), "g" (b), "d" (dx));	\
+  return dx;								\
+}
+
+#define perform_modsi3(a,b)							\
+{									\
+  register int dx asm("dx");						\
+  register int ax asm("ax");						\
+									\
+  ax = a;								\
+  asm ("cltd\n\tidivl %3" : "=a" (ax), "=d" (dx) : "a" (ax), "g" (b));	\
+  return dx;								\
+}
+
+#define perform_fix_truncdfsi2(a)						\
+{									\
+  auto unsigned short ostatus;						\
+  auto unsigned short nstatus;						\
+  auto int ret;								\
+									\
+  &ostatus;			/* guarantee these land in memory */	\
+  &nstatus;								\
+  &ret;									\
+									\
+  asm volatile ("fnstcw %0" : "=m" (ostatus));				\
+  nstatus = ostatus | 0x0c00;						\
+  asm volatile ("fldcw %0" : /* no outputs */ : "m" (nstatus));		\
+  asm volatile ("fldl %0" : /* no outputs */ : "m" (a));		\
+  asm volatile ("fistpl %0" : "=m" (ret));				\
+  asm volatile ("fldcw %0" : /* no outputs */ : "m" (nstatus));		\
+									\
+  return ret;								\
+}