1 LIB1ASMSRC = avr/lib1funcs.S
17 _divmodpsi4 _udivmodpsi4 \
31 _xload_1 _xload_2 _xload_3 _xload_4 \
54 _ashldi3 _ashrdi3 _lshrdi3 _rotldi3 \
55 _adddi3 _adddi3_s8 _subdi3 \
59 # Fixed point routines in avr/lib1funcs-fixed.S
61 _fractqqsf _fractuqqsf \
62 _fracthqsf _fractuhqsf _fracthasf _fractuhasf \
63 _fractsasf _fractusasf _fractsqsf _fractusqsf \
65 _fractsfqq _fractsfuqq \
66 _fractsfhq _fractsfuhq _fractsfha _fractsfuha \
67 _fractsfsa _fractsfusa \
70 _mulha3 _muluha3 _muluha3_round \
77 _ssneg_2 _ssneg_4 _ssneg_8 \
78 _ssabs_2 _ssabs_4 _ssabs_8 \
86 # We do not have the DF type.
87 # Most of the C functions in libgcc2 use almost all registers,
88 # so use -mcall-prologues for smaller code size.
89 HOST_LIBGCC2_CFLAGS += -DDF=SF -Dinhibit_libc -mcall-prologues -Os
91 # Extra 16-bit integer functions.
92 intfuncs16 = _absvXX2 _addvXX3 _subvXX3 _mulvXX3 _negvXX2 _clrsbXX2
94 hiintfuncs16 = $(subst XX,hi,$(intfuncs16))
95 siintfuncs16 = $(subst XX,si,$(intfuncs16))
97 iter-items := $(hiintfuncs16)
98 iter-labels := $(siintfuncs16)
99 iter-sizes := $(patsubst %,2,$(siintfuncs16)) $(patsubst %,2,$(hiintfuncs16))
102 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/siditi-object.mk,$(iter-items))
103 libgcc-objects += $(patsubst %,%$(objext),$(hiintfuncs16))
105 ifeq ($(enable_shared),yes)
106 libgcc-s-objects += $(patsubst %,%_s$(objext),$(hiintfuncs16))
110 # Filter out supported conversions from fixed-bit.c
111 # Also filter out TQ and UTQ.
113 conv_XY=$(conv)$(mode1)$(mode2)
114 func_X=$(func)$(mode)
116 # Conversions supported by the compiler
118 convf_modes = QI UQI QQ UQQ \
119 HI UHI HQ UHQ HA UHA \
120 SI USI SQ USQ SA USA \
121 DI UDI DQ UDQ DA UDA \
124 LIB2FUNCS_EXCLUDE += \
125 $(foreach conv,_fract _fractuns,\
126 $(foreach mode1,$(convf_modes),\
127 $(foreach mode2,$(convf_modes),$(conv_XY))))
129 # Conversions supported by lib1funcs-fixed.S
131 conv_to_sf_modes = QQ UQQ HQ UHQ HA UHA SQ USQ SA USA
132 conv_from_sf_modes = QQ UQQ HQ UHQ HA UHA SA USA
134 LIB2FUNCS_EXCLUDE += \
135 $(foreach conv,_fract, \
136 $(foreach mode1,$(conv_to_sf_modes), \
137 $(foreach mode2,SF,$(conv_XY))))
139 LIB2FUNCS_EXCLUDE += \
140 $(foreach conv,_fract,\
142 $(foreach mode2,$(conv_from_sf_modes),$(conv_XY))))
144 # Arithmetik supported by the compiler
146 allfix_modes = QQ UQQ HQ UHQ HA UHA SQ USQ SA USA DA UDA DQ UDQ TQ UTQ TA UTA
148 LIB2FUNCS_EXCLUDE += \
149 $(foreach func,_add _sub,\
150 $(foreach mode,$(allfix_modes),$(func_X)))
152 LIB2FUNCS_EXCLUDE += \
153 $(foreach func,_lshr _ashl _ashr _cmp,\
154 $(foreach mode,$(allfix_modes),$(func_X)))
157 usat_modes = UQQ UHQ UHA USQ USA UDQ UDA UTQ UTA
158 ssat_modes = QQ HQ HA SQ SA DQ DA TQ TA
160 LIB2FUNCS_EXCLUDE += \
161 $(foreach func,_ssadd _sssub _ssneg _ssabs,\
162 $(foreach mode,$(ssat_modes),$(func_X)))
164 LIB2FUNCS_EXCLUDE += \
165 $(foreach func,_usadd _ussub _usneg,\
166 $(foreach mode,$(usat_modes),$(func_X)))