1 files changed, 74 insertions, 0 deletions
diff --git a/gcc/config/m68k/lynx.h b/gcc/config/m68k/lynx.h
new file mode 100755
index 0000000..8c54b8b
--- /dev/null
+++ b/gcc/config/m68k/lynx.h
@@ -0,0 +1,74 @@
+/* Definitions for Motorola 680x0 running LynxOS.
+   Copyright (C) 1993, 1994, 1995, 1996 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, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#include <m68k/m68k.h>
+#include <m68k/coff.h>
+
+#undef CTORS_SECTION_ASM_OP
+#undef DTORS_SECTION_ASM_OP
+#undef ASM_OUTPUT_DESTRUCTOR
+#undef SELECT_RTX_SECTION
+
+#define BSS_SECTION_ASM_OP ".bss"
+
+#define ASM_LONG ".long"
+
+#include <lynx.h>
+
+/* See m68k.h.  7 means 68020 with 68881.  */
+
+#ifndef TARGET_DEFAULT
+#define TARGET_DEFAULT (MASK_BITFIELD|MASK_68881|MASK_68020)
+#endif
+
+/* Names to predefine in the preprocessor for this target machine.  */
+
+#undef CPP_PREDEFINES
+#define CPP_PREDEFINES "-Dunix -Dmc68000 -DM68K -DLynx -DIBITS32 -Asystem(unix) -Asystem(lynx) -Acpu(m68k) -Amachine(m68k)"
+
+/* Every structure or union's size must be a multiple of 2 bytes.  */
+
+#define STRUCTURE_SIZE_BOUNDARY 16
+
+/* Lynx uses d2 and d3 as scratch registers. */
+#undef CALL_USED_REGISTERS
+#define CALL_USED_REGISTERS \
+ {1, 1, 1, 1, 0, 0, 0, 0,   \
+  1, 1, 0, 0, 0, 0, 0, 1,   \
+  1, 1, 0, 0, 0, 0, 0, 0 }
+
+/* Return floating point values in a fp register.  This make fp code a
+   little bit faster.  It also makes -msoft-float code incompatible with
+   -m68881 code, so people have to be careful not to mix the two.  */
+#undef FUNCTION_VALUE
+#define FUNCTION_VALUE(VALTYPE,FUNC) LIBCALL_VALUE (TYPE_MODE (VALTYPE))
+
+#undef LIBCALL_VALUE
+#define LIBCALL_VALUE(MODE)                                                \
+ gen_rtx (REG, (MODE),                                                     \
+          ((TARGET_68881                                                   \
+            && ((MODE) == SFmode || (MODE) == DFmode || (MODE) == XFmode)) \
+           ? 16 : 0))
+
+#undef FUNCTION_VALUE_REGNO_P
+#define FUNCTION_VALUE_REGNO_P(N) ((N) == 0 || (TARGET_68881 && (N) == 16))
+
+#undef NEEDS_UNTYPED_CALL
+#define NEEDS_UNTYPED_CALL 1