t-avr revision 1.1.1.1.8.1
1 LIB1ASMSRC = avr/lib1funcs.S 2 LIB1ASMFUNCS = \ 3 _mulqi3 \ 4 _mulhi3 \ 5 _mulqihi3 _umulqihi3 \ 6 _mulpsi3 _mulsqipsi3 \ 7 _mulhisi3 \ 8 _umulhisi3 \ 9 _usmulhisi3 \ 10 _muluhisi3 \ 11 _mulshisi3 \ 12 _mulsi3 \ 13 _udivmodqi4 \ 14 _divmodqi4 \ 15 _udivmodhi4 \ 16 _divmodhi4 \ 17 _divmodpsi4 _udivmodpsi4 \ 18 _udivmodsi4 \ 19 _divmodsi4 \ 20 _divdi3 _udivdi3 \ 21 _muldi3 _muldi3_6 \ 22 _mulsidi3 _umulsidi3 \ 23 _udivmod64 \ 24 _negsi2 _negdi2 \ 25 _prologue \ 26 _epilogue \ 27 _exit \ 28 _cleanup \ 29 _tablejump \ 30 _tablejump_elpm \ 31 _load_3 _load_4 \ 32 _xload_1 _xload_2 _xload_3 _xload_4 \ 33 _movmemx \ 34 _copy_data \ 35 _clear_bss \ 36 _ctors \ 37 _dtors \ 38 _ffssi2 \ 39 _ffshi2 \ 40 _loop_ffsqi2 \ 41 _ctzsi2 \ 42 _ctzhi2 \ 43 _clzdi2 \ 44 _clzsi2 \ 45 _clzhi2 \ 46 _paritydi2 \ 47 _paritysi2 \ 48 _parityhi2 \ 49 _popcounthi2 \ 50 _popcountsi2 \ 51 _popcountdi2 \ 52 _popcountqi2 \ 53 _bswapsi2 \ 54 _bswapdi2 \ 55 _ashldi3 _ashrdi3 _lshrdi3 _rotldi3 \ 56 _adddi3 _adddi3_s8 _subdi3 \ 57 _cmpdi2 _cmpdi2_s8 \ 58 _fmul _fmuls _fmulsu 59 60 # Fixed point routines in avr/lib1funcs-fixed.S 61 LIB1ASMFUNCS += \ 62 _fractqqsf _fractuqqsf \ 63 _fracthqsf _fractuhqsf _fracthasf _fractuhasf \ 64 _fractsasf _fractusasf _fractsqsf _fractusqsf \ 65 \ 66 _fractsfqq _fractsfuqq \ 67 _fractsfhq _fractsfuhq _fractsfha _fractsfuha \ 68 _fractsfsq _fractsfusq _fractsfsa _fractsfusa \ 69 _mulqq3 \ 70 _mulhq3 _muluhq3 \ 71 _mulha3 _muluha3 _muluha3_round \ 72 _mulsa3 _mulusa3 \ 73 _usmuluha3 _ssmulha3 \ 74 _usmulusa3 _ssmulsa3 \ 75 _divqq3 _udivuqq3 _divqq_helper \ 76 _divhq3 _udivuhq3 \ 77 _divha3 _udivuha3 \ 78 _divsa3 _udivusa3 \ 79 _clr_8 \ 80 _ssneg_2 _ssneg_4 _ssneg_8 \ 81 _ssabs_1 _ssabs_2 _ssabs_4 _ssabs_8 \ 82 _ssadd_8 _sssub_8 \ 83 _usadd_8 _ussub_8 \ 84 _mask1 _ret \ 85 _roundqq3 _rounduqq3 \ 86 _round_s2 _round_u2 _round_2_const _addmask_2 \ 87 _round_s4 _round_u4 _round_4_const _addmask_4 \ 88 _round_x8 \ 89 _rounddq3 _roundudq3 \ 90 _roundda3 _rounduda3 \ 91 _roundta3 _rounduta3 \ 92 93 94 LIB2FUNCS_EXCLUDE = \ 95 _moddi3 _umoddi3 \ 96 _clz \ 97 _clrsbdi2 \ 98 99 100 # We do not have the DF type. 101 # Most of the C functions in libgcc2 use almost all registers, 102 # so use -mcall-prologues for smaller code size. 103 HOST_LIBGCC2_CFLAGS += -DDF=SF -Dinhibit_libc -mcall-prologues -Os 104 105 # Extra 16-bit integer functions. 106 intfuncs16 = _absvXX2 _addvXX3 _subvXX3 _mulvXX3 _negvXX2 _clrsbXX2 107 108 hiintfuncs16 = $(subst XX,hi,$(intfuncs16)) 109 siintfuncs16 = $(subst XX,si,$(intfuncs16)) 110 111 iter-items := $(hiintfuncs16) 112 iter-labels := $(siintfuncs16) 113 iter-sizes := $(patsubst %,2,$(siintfuncs16)) $(patsubst %,2,$(hiintfuncs16)) 114 115 116 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/siditi-object.mk,$(iter-items)) 117 libgcc-objects += $(patsubst %,%$(objext),$(hiintfuncs16)) 118 119 ifeq ($(enable_shared),yes) 120 libgcc-s-objects += $(patsubst %,%_s$(objext),$(hiintfuncs16)) 121 endif 122 123 ### 124 125 conv_XY=$(conv)$(mode1)$(mode2) 126 func_X=$(func)$(mode) 127 128 # Compile C functions from lib2funcs.c and add them to libgcc.a. 129 # 130 # Some functions which are not performance.critical are more convenient 131 # to implement in C than in assembler. Most of them serve as implementation 132 # for AVR-specific builtins in the case where the address of a builtin 133 # function is taken or if there is no insn that implements the builtin. 134 # 135 # We don't use LIB2ADD because we want to iterate over the source for 136 # different modes, fixed-point suffixes, etc. See iter-labels and L_LABEL. 137 # iter-label will get one more underscore in order to avoid too short 138 # labels like -DLk and we use -DL_k instead. 139 140 # Build roundFX functions from lib2funcs.c 141 142 round_suffix := hr r lr uhr ur ulr \ 143 hk k uhk uk 144 round_funcs := $(foreach func,_round,\ 145 $(foreach mode,$(round_suffix),$(func_X))) 146 147 iter-items := $(round_funcs) 148 iter-labels := $(round_suffix) 149 iter-flags := $(patsubst %,-DL_round,$(iter-items)) 150 151 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/config/avr/lib2-object.mk,$(iter-items)) 152 153 libgcc-objects += $(patsubst %,%$(objext),$(round_funcs)) 154 155 # Build clrsbXX functions from lib2funcs.c 156 157 clrsb_modes := qi di 158 clrsb_funcs := $(foreach func,_clrsb,\ 159 $(foreach mode,$(clrsb_modes),$(func_X))) 160 161 iter-items := $(clrsb_funcs) 162 iter-labels := $(clrsb_funcs) 163 iter-flags := $(patsubst %,-DL_clrsb,$(iter-items)) 164 165 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/config/avr/lib2-object.mk,$(iter-items)) 166 167 libgcc-objects += $(patsubst %,%$(objext),$(clrsb_funcs)) 168 169 # Build signed countlsFX functions from lib2funcs.c 170 171 countls_modes := qi hi si di 172 countls_funcs := $(foreach func,_countls,\ 173 $(foreach mode,$(countls_modes),$(func_X))) 174 175 iter-items := $(countls_funcs) 176 iter-labels := $(countls_modes) 177 iter-flags := $(patsubst %,-DL_countls,$(iter-items)) 178 179 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/config/avr/lib2-object.mk,$(iter-items)) 180 181 libgcc-objects += $(patsubst %,%$(objext),$(countls_funcs)) 182 183 # Build unsigned countlsFX functions from lib2funcs.c 184 185 countlsu_modes := qi hi si di 186 countlsu_funcs := $(foreach func,_countlsu,\ 187 $(foreach mode,$(countlsu_modes),$(func_X))) 188 189 iter-items := $(countlsu_funcs) 190 iter-labels := $(countlsu_modes) 191 iter-flags := $(patsubst %,-DL_countlsu,$(iter-items)) 192 193 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/config/avr/lib2-object.mk,$(iter-items)) 194 195 libgcc-objects += $(patsubst %,%$(objext),$(countlsu_funcs)) 196 197 198 # Filter out supported conversions from fixed-bit.c 199 # Also filter out TQ and UTQ. 200 201 # Conversions supported by the compiler 202 203 convf_modes = QI UQI QQ UQQ \ 204 HI UHI HQ UHQ HA UHA \ 205 SI USI SQ USQ SA USA \ 206 DI UDI DQ UDQ DA UDA \ 207 TI UTI TQ UTQ TA UTA 208 209 LIB2FUNCS_EXCLUDE += \ 210 $(foreach conv,_fract _fractuns,\ 211 $(foreach mode1,$(convf_modes),\ 212 $(foreach mode2,$(convf_modes),$(conv_XY)))) 213 214 # Conversions supported by lib1funcs-fixed.S 215 216 conv_to_sf_modes = QQ UQQ HQ UHQ HA UHA SQ USQ SA USA 217 conv_from_sf_modes = QQ UQQ HQ UHQ HA UHA SA USA 218 219 LIB2FUNCS_EXCLUDE += \ 220 $(foreach conv,_fract, \ 221 $(foreach mode1,$(conv_to_sf_modes), \ 222 $(foreach mode2,SF,$(conv_XY)))) 223 224 LIB2FUNCS_EXCLUDE += \ 225 $(foreach conv,_fract,\ 226 $(foreach mode1,SF,\ 227 $(foreach mode2,$(conv_from_sf_modes),$(conv_XY)))) 228 229 # Arithmetik supported by the compiler 230 231 allfix_modes = QQ UQQ HQ UHQ HA UHA SQ USQ SA USA DA UDA DQ UDQ TQ UTQ TA UTA 232 233 LIB2FUNCS_EXCLUDE += \ 234 $(foreach func,_add _sub,\ 235 $(foreach mode,$(allfix_modes),$(func_X))) 236 237 LIB2FUNCS_EXCLUDE += \ 238 $(foreach func,_lshr _ashl _ashr _cmp,\ 239 $(foreach mode,$(allfix_modes),$(func_X))) 240 241 242 usat_modes = UQQ UHQ UHA USQ USA UDQ UDA UTQ UTA 243 ssat_modes = QQ HQ HA SQ SA DQ DA TQ TA 244 245 LIB2FUNCS_EXCLUDE += \ 246 $(foreach func,_ssadd _sssub _ssneg _ssabs,\ 247 $(foreach mode,$(ssat_modes),$(func_X))) 248 249 LIB2FUNCS_EXCLUDE += \ 250 $(foreach func,_usadd _ussub _usneg,\ 251 $(foreach mode,$(usat_modes),$(func_X))) 252 253 254 smul_modes = QQ HQ HA SA 255 umul_modes = UQQ UHQ UHA USA 256 sdiv_modes = QQ HQ HA SA 257 udiv_modes = UQQ UHQ UHA USA 258 259 LIB2FUNCS_EXCLUDE += \ 260 $(foreach func,_mul,\ 261 $(foreach mode,$(smul_modes) $(umul_modes),$(func_X))) 262 263 LIB2FUNCS_EXCLUDE += \ 264 $(foreach func,_div,\ 265 $(foreach mode,$(sdiv_modes) $(udiv_modes),$(func_X))) 266 267 268 ssmul_modes = HA SA 269 usmul_modes = UHA USA 270 271 LIB2FUNCS_EXCLUDE += \ 272 $(foreach func,_usmul,\ 273 $(foreach mode,$(usmul_modes),$(func_X))) 274 275 LIB2FUNCS_EXCLUDE += \ 276 $(foreach func,_ssmul,\ 277 $(foreach mode,$(ssmul_modes),$(func_X))) 278
Indexes created Thu Mar 26 00:23:24 UTC 2026