--- gcc/config/m68k/m68kv4.h	2018/04/24 18:10:24	1.1
+++ gcc/config/m68k/m68kv4.h	2018/04/24 18:28:10	1.1.1.4
@@ -1,7 +1,7 @@
 /* Target definitions for GNU compiler for mc680x0 running System V.4
-   Copyright (C) 1991 Free Software Foundation, Inc.
+   Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation, Inc.
 
-   Written by Ron Guilmette (rfg@ncd.com) and Fred Fish (fnf@cygnus.com).
+   Written by Ron Guilmette (rfg@netcom.com) and Fred Fish (fnf@cygnus.com).
 
 This file is part of GNU CC.
 
@@ -17,13 +17,20 @@ GNU General Public License for more deta
 
 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.  */
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
 
 /* Use SGS_* macros to control compilation in m68k.md */
 
 #define SGS_SWITCH_TABLES	/* Different switch table handling */
 
 #include "m68k/sgs.h"		/* The m68k/SVR4 assembler is SGS based */
+
+/* The SGS assembler requires a special definition of
+   ASM_IDENTIFY_GCC.  We combine the m68k/sgs.h and the svr4.h
+   definitions below.  */
+#undef ASM_IDENTIFY_GCC
+
 #include "svr4.h"		/* Pick up the generic SVR4 macros */
 
 /* See m68k.h.  7 means 68020 with 68881.  */
@@ -32,6 +39,19 @@ the Free Software Foundation, 675 Mass A
 #define	TARGET_DEFAULT (5 /*68020*/ + 2 /*68881*/)
 #endif
 
+/* When using an SGS assembler, modify the name of the artificial label which
+   identifies this file as having been compiled with gcc, and the macro that
+   emits such a label in the assembly output, to use '%' rather than '.'  */
+
+#undef ASM_IDENTIFY_GCC
+#define ASM_IDENTIFY_GCC(FILE)						\
+do									\
+  {									\
+    if (write_symbols != DBX_DEBUG)					\
+      fputs ("gcc2_compiled%:\n", FILE);				\
+  }									\
+while (0)
+
 /*  Override the definition of NO_DOLLAR_IN_LABEL in svr4.h, for special
     g++ assembler names.  When this is defined, g++ uses embedded '.'
     characters and some m68k assemblers have problems with this.  The
@@ -54,7 +74,8 @@ the Free Software Foundation, 675 Mass A
    the m68k running svr4.  __svr4__ is our extension.  */
 
 #define CPP_PREDEFINES \
-  "-Dm68k -Dunix -D__svr4__ -Asystem(unix) -Acpu(m68k) -Amachine(m68k)"
+  "-Dm68k -Dunix -D__svr4__ -D__motorola__ \
+ -Asystem(unix) -Asystem(svr4) -Acpu(m68k) -Amachine(m68k)"
 
 /* Test to see if the target includes a 68881 by default, and use CPP_SPEC
    to control whether or not __HAVE_68881__ is defined by default or not.
@@ -139,7 +160,7 @@ the Free Software Foundation, 675 Mass A
 #define FUNCTION_VALUE(VALTYPE, FUNC)					\
   (TREE_CODE (VALTYPE) == REAL_TYPE && TARGET_68881			\
    ? gen_rtx (REG, TYPE_MODE (VALTYPE), 16)				\
-   : (TREE_CODE (VALTYPE) == POINTER_TYPE				\
+   : (POINTER_TYPE_P (VALTYPE)						\
       ? gen_rtx (REG, TYPE_MODE (VALTYPE), 8)				\
       : gen_rtx (REG, TYPE_MODE (VALTYPE), 0)))
 
@@ -188,7 +209,7 @@ do {									\
 #undef BIGGEST_ALIGNMENT
 #define BIGGEST_ALIGNMENT 64
 
-/* SVR4 m68k assembler is bitching on the `comm i,1,1' which askes for 
+/* SVR4 m68k assembler is bitching on the `comm i,1,1' which asks for 
    1 byte alignment. Don't generate alignment for COMMON seems to be
    safer until we the assembler is fixed. */
 #undef ASM_OUTPUT_ALIGNED_COMMON
@@ -200,7 +221,7 @@ do {									\
    seems to be safer. */
 #undef ASM_OUTPUT_ASCII
 #define ASM_OUTPUT_ASCII(FILE,PTR,LEN)				\
-{								\
+do {								\
   register int sp = 0, lp = 0, ch;				\
   fprintf ((FILE), "\t%s ", BYTE_ASM_OP);			\
   do {								\
@@ -226,7 +247,7 @@ do {									\
       }								\
   } while (sp < (LEN));						\
   putc ('\n', (FILE));						\
-}
+} while (0)
 
 /* SVR4 m68k assembler is bitching on the syntax `2.b'.
    So use the "LLDnnn-LLnnn" format.  Define LLDnnn after the table.  */
@@ -263,8 +284,11 @@ int switch_table_difference_label_flag;
    operand of a function call. */
 #undef LEGITIMATE_PIC_OPERAND_P
 #define LEGITIMATE_PIC_OPERAND_P(X) \
-  (! symbolic_operand (X, VOIDmode) \
-   || ((GET_CODE(X) == SYMBOL_REF) && SYMBOL_REF_FLAG(X)))
+  ((! symbolic_operand (X, VOIDmode) \
+    && ! (GET_CODE (X) == CONST_DOUBLE && CONST_DOUBLE_MEM (X)	\
+	  && GET_CODE (CONST_DOUBLE_MEM (X)) == MEM		\
+	  && symbolic_operand (XEXP (CONST_DOUBLE_MEM (X), 0), VOIDmode))) \
+   || (GET_CODE (X) == SYMBOL_REF && SYMBOL_REF_FLAG (X)))
 
 /* Turn off function cse if we are doing PIC. We always want function call
    to be done as `bsr foo@PLTPC', so it will force the assembler to create