Predefined preprocessor macros for m68k
GCC defines the following preprocessor macros for the Motorola m68k configurations.
Any Motorola m68k architecture:
__mc68000__
Any Motorola m68010 architecture:
__mc68010__
Any Motorola m68020 architecture:
__mc68020__
Any Motorola m68030 architecture:
__mc68030__
Any Motorola m68040 architecture:
__mc68040__
Any Motorola m68060 architecture:
__mc68060__
Any Motorola m68332 architecture:
__mc68332__
Any Motorola m68881 architecture:
__HAVE_68881__