148 lines
3.3 KiB
Text
148 lines
3.3 KiB
Text
LIB1ASMSRC = avr/lib1funcs.S
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LIB1ASMFUNCS = \
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_mulqi3 \
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_mulhi3 \
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_mulqihi3 _umulqihi3 \
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_mulpsi3 _mulsqipsi3 \
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_mulhisi3 \
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_umulhisi3 \
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_usmulhisi3 \
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_muluhisi3 \
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_mulshisi3 \
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_mulsi3 \
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_udivmodqi4 \
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_divmodqi4 \
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_udivmodhi4 \
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_divmodhi4 \
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_divmodpsi4 _udivmodpsi4 \
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_udivmodsi4 \
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_divmodsi4 \
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_divdi3 _udivdi3 \
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_muldi3 \
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_udivmod64 \
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_negdi2 \
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_prologue \
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_epilogue \
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_exit \
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_cleanup \
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_tablejump \
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_tablejump_elpm \
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_load_3 _load_4 \
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_xload_1 _xload_2 _xload_3 _xload_4 \
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_movmemx \
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_copy_data \
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_clear_bss \
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_ctors \
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_dtors \
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_ffssi2 \
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_ffshi2 \
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_loop_ffsqi2 \
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_ctzsi2 \
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_ctzhi2 \
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_clzdi2 \
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_clzsi2 \
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_clzhi2 \
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_paritydi2 \
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_paritysi2 \
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_parityhi2 \
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_popcounthi2 \
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_popcountsi2 \
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_popcountdi2 \
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_popcountqi2 \
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_bswapsi2 \
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_bswapdi2 \
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_ashldi3 _ashrdi3 _lshrdi3 _rotldi3 \
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_adddi3 _adddi3_s8 _subdi3 \
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_cmpdi2 _cmpdi2_s8 \
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_fmul _fmuls _fmulsu
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# Fixed point routines in avr/lib1funcs-fixed.S
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LIB1ASMFUNCS += \
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_fractqqsf _fractuqqsf \
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_fracthqsf _fractuhqsf _fracthasf _fractuhasf \
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_fractsasf _fractusasf _fractsqsf _fractusqsf \
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\
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_fractsfqq _fractsfuqq \
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_fractsfhq _fractsfuhq _fractsfha _fractsfuha \
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_fractsfsa _fractsfusa \
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_mulqq3 \
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_mulhq3 _muluhq3 \
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_mulha3 _muluha3 _muluha3_round \
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_mulsa3 _mulusa3 \
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_divqq3 _udivuqq3 \
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_divhq3 _udivuhq3 \
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_divha3 _udivuha3 \
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_divsa3 _udivusa3
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LIB2FUNCS_EXCLUDE = \
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_moddi3 _umoddi3 \
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_clz
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# We do not have the DF type.
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# Most of the C functions in libgcc2 use almost all registers,
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# so use -mcall-prologues for smaller code size.
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HOST_LIBGCC2_CFLAGS += -DDF=SF -Dinhibit_libc -mcall-prologues -Os
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# Extra 16-bit integer functions.
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intfuncs16 = _absvXX2 _addvXX3 _subvXX3 _mulvXX3 _negvXX2 _clrsbXX2
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hiintfuncs16 = $(subst XX,hi,$(intfuncs16))
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siintfuncs16 = $(subst XX,si,$(intfuncs16))
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iter-items := $(hiintfuncs16)
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iter-labels := $(siintfuncs16)
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iter-sizes := $(patsubst %,2,$(siintfuncs16)) $(patsubst %,2,$(hiintfuncs16))
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include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/siditi-object.mk,$(iter-items))
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libgcc-objects += $(patsubst %,%$(objext),$(hiintfuncs16))
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ifeq ($(enable_shared),yes)
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libgcc-s-objects += $(patsubst %,%_s$(objext),$(hiintfuncs16))
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endif
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# Filter out supported conversions from fixed-bit.c
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conv_XY=$(conv)$(mode1)$(mode2)
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func_X=$(func)$(mode)
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# Conversions supported by the compiler
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convf_modes = QI UQI QQ UQQ \
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HI UHI HQ UHQ HA UHA \
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SI USI SQ USQ SA USA \
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DI UDI DQ UDQ DA UDA \
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TI UTI TQ UTQ TA UTA
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LIB2FUNCS_EXCLUDE += \
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$(foreach conv,_fract _fractuns,\
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$(foreach mode1,$(convf_modes),\
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$(foreach mode2,$(convf_modes),$(conv_XY))))
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# Conversions supported by lib1funcs-fixed.S
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conv_to_sf_modes = QQ UQQ HQ UHQ HA UHA SQ USQ SA USA
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conv_from_sf_modes = QQ UQQ HQ UHQ HA UHA SA USA
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LIB2FUNCS_EXCLUDE += \
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$(foreach conv,_fract, \
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$(foreach mode1,$(conv_to_sf_modes), \
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$(foreach mode2,SF,$(conv_XY))))
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LIB2FUNCS_EXCLUDE += \
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$(foreach conv,_fract,\
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$(foreach mode1,SF,\
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$(foreach mode2,$(conv_from_sf_modes),$(conv_XY))))
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# Arithmetik supported by the compiler
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allfix_modes = QQ UQQ HQ UHQ HA UHA SQ USQ SA USA DA UDA DQ UDQ TQ UTQ TA UTA
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LIB2FUNCS_EXCLUDE += \
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$(foreach func,_add _sub,\
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$(foreach mode,$(allfix_modes),$(func_X)3))
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LIB2FUNCS_EXCLUDE += \
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$(foreach func,_lshr _ashl _ashr _cmp,\
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$(foreach mode,$(allfix_modes),$(func_X)))
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