t-h8300

linux下的gcc编译器

# The three first floating point functions listed in LIB1ASMFUNCS (_fixsfdi,
# _floatdisf, and _fixunssfdi) are used to disable the inclusion of those
# from libgcc2.c.  They do not actually exist in lib1funcs.asm.
LIB1ASMSRC = h8300/lib1funcs.asm
LIB1ASMFUNCS = _cmpsi2 _ucmpsi2 _divhi3 _divsi3 _mulhi3 _mulsi3 \
  _floatdisf _fixsfdi _fixunssfdi _fixunssfsi_asm

LIB2FUNCS_EXTRA = $(srcdir)/config/h8300/fixunssfsi.c

# We do not have DF or DI types, so fake out the libgcc2 compilation.
TARGET_LIBGCC2_CFLAGS = -DDF=SF -DDI=SI

# We want fine grained libraries, so use the new code to build the
# floating point emulation libraries.
FPBIT = fp-bit.c

fp-bit.c: $(srcdir)/config/fp-bit.c
	echo '#define FLOAT' > fp-bit.c
	echo '#define FLOAT_ONLY' >> fp-bit.c
	echo '#define SMALL_MACHINE' >> fp-bit.c
	echo '#ifdef __H8300__' >> fp-bit.c
	echo '#define CMPtype HItype' >> fp-bit.c
	echo '#else' >> fp-bit.c
	echo '#define CMPtype SItype' >> fp-bit.c
	echo '#endif' >> fp-bit.c
	cat $(srcdir)/config/fp-bit.c >> fp-bit.c

MULTILIB_OPTIONS = mh/ms mn mint32
MULTILIB_DIRNAMES = h8300h h8300s normal int32
MULTILIB_EXCEPTIONS = mint32 mn mn/mint32

LIBGCC = stmp-multilib
INSTALL_LIBGCC = install-multilib