(STRICT_ALIGNMENT): Define to zero.

(LEGITIMATE_PIC_OPERAND_P): Match definition from m68kv4.h.
(LIBCALL_VALUE): Return XFmode value in fp0.

From-SVN: r11133

gcc/config/m68k/linux.h

 /* Definitions for Motorola 68k running Linux with ELF format.
-   Copyright (C) 1995 Free Software Foundation, Inc.
+   Copyright (C) 1995, 1996 Free Software Foundation, Inc.
 
 This file is part of GNU CC.
 
@@ -31,6 +31,11 @@ Boston, MA 02111-1307, USA.  */
 /* 68020 with 68881 */
 #define TARGET_DEFAULT 7
 
+/* for 68k machines this only needs to be TRUE for the 68000 */
+
+#undef STRICT_ALIGNMENT     
+#define STRICT_ALIGNMENT 0
+
 #undef SUBTARGET_SWITCHES
 #define SUBTARGET_SWITCHES	{"ieee-fp", 0},
 
@@ -259,7 +264,8 @@ do {									\
 
 #undef LIBCALL_VALUE
 #define LIBCALL_VALUE(MODE)						\
-  (((MODE) == SFmode || (MODE) == DFmode) && TARGET_68881		\
+  ((((MODE) == SFmode || (MODE) == DFmode || (MODE) == XFmode)		\
+    && TARGET_68881)							\
    ? gen_rtx (REG, (MODE), 16)						\
    : gen_rtx (REG, (MODE), 0))
 
@@ -267,7 +273,10 @@ do {									\
    an operand of a function call. */
 #undef LEGITIMATE_PIC_OPERAND_P
 #define LEGITIMATE_PIC_OPERAND_P(X) \
-  (! symbolic_operand (X, VOIDmode) \
+  ((! 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