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/* Definitions of target machine for GNU compiler. "embedded" 68XXX.
This is meant to be included after m68k.h.
Copyright (C) 1994, 1995 Free Software Foundation, Inc. */
#define PTRDIFF_TYPE "long int"
#define SIZE_TYPE "long unsigned int"
/* In order for bitfields to work on a 68000, or with -mnobitfield, we must
define either PCC_BITFIELD_TYPE_MATTERS or STRUCTURE_SIZE_BOUNDARY.
Defining STRUCTURE_SIZE_BOUNDARY results in structure packing problems,
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))
#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
/* crt0.o should be specified in the linker script. */
#undef STARTFILE_SPEC
#define STARTFILE_SPEC ""
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