LIB1ASMSRC = avr/lib1funcs.S
LIB1ASMFUNCS = \
	_mulqi3 \
	_mulhi3 \
	_mulqihi3 _umulqihi3 \
	_mulpsi3 _mulsqipsi3 \
	_mulhisi3 \
	_umulhisi3 \
	_usmulhisi3 \
	_muluhisi3 \
	_mulshisi3 \
	_mulsi3 \
	_udivmodqi4 \
	_divmodqi4 \
	_udivmodhi4 \
	_divmodhi4 \
	_divmodpsi4 _udivmodpsi4 \
	_udivmodsi4 \
	_divmodsi4 \
	_divdi3 _udivdi3 \
	_muldi3 \
	_udivmod64 \
	_negsi2 _negdi2 \
	_prologue \
	_epilogue \
	_exit \
	_cleanup \
	_tablejump \
	_tablejump_elpm \
	_load_3 _load_4 \
	_xload_1 _xload_2 _xload_3 _xload_4 \
	_movmemx \
	_copy_data \
	_clear_bss \
	_ctors \
	_dtors \
	_ffssi2 \
	_ffshi2 \
	_loop_ffsqi2 \
	_ctzsi2 \
	_ctzhi2 \
	_clzdi2 \
	_clzsi2 \
	_clzhi2 \
	_paritydi2 \
	_paritysi2 \
	_parityhi2 \
	_popcounthi2 \
	_popcountsi2 \
	_popcountdi2 \
	_popcountqi2 \
	_bswapsi2 \
	_bswapdi2 \
	_ashldi3 _ashrdi3 _lshrdi3 _rotldi3 \
	_adddi3 _adddi3_s8 _subdi3 \
	_cmpdi2 _cmpdi2_s8 \
	_fmul _fmuls _fmulsu

# Fixed point routines in avr/lib1funcs-fixed.S
LIB1ASMFUNCS += \
	_fractqqsf _fractuqqsf \
	_fracthqsf _fractuhqsf _fracthasf _fractuhasf \
	_fractsasf _fractusasf _fractsqsf _fractusqsf \
	\
	_fractsfqq _fractsfuqq \
	_fractsfhq _fractsfuhq _fractsfha _fractsfuha \
	_fractsfsq _fractsfusq _fractsfsa _fractsfusa \
	_mulqq3 \
	_mulhq3 _muluhq3 \
	_mulha3 _muluha3 _muluha3_round \
	_mulsa3 _mulusa3 \
	_divqq3 _udivuqq3 _divqq_helper \
	_divhq3 _udivuhq3 \
	_divha3 _udivuha3 \
	_divsa3 _udivusa3 \
	_clr_8 \
	_ssneg_2 _ssneg_4 _ssneg_8 \
	_ssabs_2 _ssabs_4 _ssabs_8 \
	_ssadd_8 _sssub_8 \
	_usadd_8 _ussub_8

LIB2FUNCS_EXCLUDE = \
	_moddi3 _umoddi3 \
	_clz

# We do not have the DF type.
# Most of the C functions in libgcc2 use almost all registers,
# so use -mcall-prologues for smaller code size.
HOST_LIBGCC2_CFLAGS += -DDF=SF -Dinhibit_libc -mcall-prologues -Os

# Extra 16-bit integer functions.
intfuncs16 = _absvXX2 _addvXX3 _subvXX3 _mulvXX3 _negvXX2 _clrsbXX2

hiintfuncs16 = $(subst XX,hi,$(intfuncs16))
siintfuncs16 = $(subst XX,si,$(intfuncs16))

iter-items := $(hiintfuncs16)
iter-labels := $(siintfuncs16)
iter-sizes := $(patsubst %,2,$(siintfuncs16)) $(patsubst %,2,$(hiintfuncs16))


include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/siditi-object.mk,$(iter-items))
libgcc-objects += $(patsubst %,%$(objext),$(hiintfuncs16))

ifeq ($(enable_shared),yes)
libgcc-s-objects += $(patsubst %,%_s$(objext),$(hiintfuncs16))
endif


# Filter out supported conversions from fixed-bit.c
# Also filter out TQ and UTQ.

conv_XY=$(conv)$(mode1)$(mode2)
func_X=$(func)$(mode)

# Conversions supported by the compiler

convf_modes =	 QI UQI QQ UQQ \
		 HI UHI HQ UHQ HA UHA \
		 SI USI SQ USQ SA USA \
		 DI UDI DQ UDQ DA UDA \
		 TI UTI TQ UTQ TA UTA

LIB2FUNCS_EXCLUDE += \
	$(foreach conv,_fract _fractuns,\
	$(foreach mode1,$(convf_modes),\
	$(foreach mode2,$(convf_modes),$(conv_XY))))

# Conversions supported by lib1funcs-fixed.S

conv_to_sf_modes   = QQ UQQ HQ UHQ HA UHA SQ USQ SA USA
conv_from_sf_modes = QQ UQQ HQ UHQ HA UHA        SA USA

LIB2FUNCS_EXCLUDE += \
	$(foreach conv,_fract, \
	$(foreach mode1,$(conv_to_sf_modes), \
	$(foreach mode2,SF,$(conv_XY))))

LIB2FUNCS_EXCLUDE += \
	$(foreach conv,_fract,\
	$(foreach mode1,SF,\
	$(foreach mode2,$(conv_from_sf_modes),$(conv_XY))))

# Arithmetik supported by the compiler

allfix_modes = QQ UQQ HQ UHQ HA UHA SQ USQ SA USA DA UDA DQ UDQ TQ UTQ TA UTA

LIB2FUNCS_EXCLUDE += \
	$(foreach func,_add _sub,\
	$(foreach mode,$(allfix_modes),$(func_X)))

LIB2FUNCS_EXCLUDE += \
	$(foreach func,_lshr _ashl _ashr _cmp,\
	$(foreach mode,$(allfix_modes),$(func_X)))


usat_modes = UQQ UHQ UHA USQ USA UDQ UDA UTQ UTA
ssat_modes =  QQ  HQ  HA  SQ  SA  DQ  DA  TQ  TA

LIB2FUNCS_EXCLUDE += \
	$(foreach func,_ssadd _sssub _ssneg _ssabs,\
	$(foreach mode,$(ssat_modes),$(func_X)))

LIB2FUNCS_EXCLUDE += \
	$(foreach func,_usadd _ussub _usneg,\
	$(foreach mode,$(usat_modes),$(func_X)))
