X-Git-Url: https://oss.titaniummirror.com/gitweb?a=blobdiff_plain;f=gcc%2Fconfig%2Fm68k%2Fm68kemb.h;h=5d917f91c4ce0355ac5aca8ab348c4c1d2f0987f;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=623a64c521b5650d10552d5e3113cedc10547c68;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git

diff --git a/gcc/config/m68k/m68kemb.h b/gcc/config/m68k/m68kemb.h
index 623a64c5..5d917f91 100644
--- a/gcc/config/m68k/m68kemb.h
+++ b/gcc/config/m68k/m68kemb.h
@@ -1,6 +1,7 @@
 /* Definitions of target machine for GNU compiler.  "embedded" 68XXX.
    This is meant to be included after m68k.h.
-   Copyright (C) 1994, 1995, 1998, 1999 Free Software Foundation, Inc.  */
+   Copyright (C) 1994, 1995, 1998, 1999, 2004, 2006
+   Free Software Foundation, Inc.  */
 
 /* Override the SVR4 ABI for this target.  */
 
@@ -13,37 +14,31 @@
    so we define PCC_BITFIELD_TYPE_MATTERS.  */
 #define PCC_BITFIELD_TYPE_MATTERS 1
 
-/* Undef PCC_STATIC_STRUCT_RETURN so that we get a re-entrant calling
-   convention.  */
-#undef PCC_STATIC_STRUCT_RETURN
-
 /* Don't default to pcc-struct-return, so that we can return small structures
    and unions in registers, which is slightly more efficient.  */
 #define DEFAULT_PCC_STRUCT_RETURN 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))
+  m68k_libcall_value (MODE)
 
 #undef FUNCTION_VALUE_REGNO_P
-#define FUNCTION_VALUE_REGNO_P(N) ((N) == 0 || (TARGET_68881 && (N) == 16))
+#define FUNCTION_VALUE_REGNO_P(N)			\
+  ((N) == D0_REG || (TARGET_68881 && (N) == FP0_REG))
 
 #undef NEEDS_UNTYPED_CALL
 #define NEEDS_UNTYPED_CALL 1
 
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-Dmc68000 -D__embedded__ -Asystem=embedded \
-  -Amachine=mc68000"
+/* Target OS builtins.  */
+#define TARGET_OS_CPP_BUILTINS()		\
+  do						\
+    {						\
+      builtin_define ("__embedded__");		\
+    }						\
+  while (0)
 
 /* Override the default LIB_SPEC from gcc.c.  We don't currently support
    profiling, or libg.a.  */