_udivmodsi4 \
_divmodsi4 \
_divdi3 _udivdi3 \
- _muldi3 \
+ _muldi3 _muldi3_6 \
+ _mulsidi3 _umulsidi3 \
_udivmod64 \
- _negdi2 \
+ _negsi2 _negdi2 \
_prologue \
_epilogue \
_exit \
\
_fractsfqq _fractsfuqq \
_fractsfhq _fractsfuhq _fractsfha _fractsfuha \
- _fractsfsa _fractsfusa \
+ _fractsfsq _fractsfusq _fractsfsa _fractsfusa \
_mulqq3 \
_mulhq3 _muluhq3 \
_mulha3 _muluha3 _muluha3_round \
_mulsa3 _mulusa3 \
- _divqq3 _udivuqq3 \
+ _usmuluha3 _ssmulha3 \
+ _usmulusa3 _ssmulsa3 \
+ _divqq3 _udivuqq3 _divqq_helper \
_divhq3 _udivuhq3 \
_divha3 _udivuha3 \
- _divsa3 _udivusa3
+ _divsa3 _udivusa3 \
+ _clr_8 \
+ _ssneg_2 _ssneg_4 _ssneg_8 \
+ _ssabs_1 _ssabs_2 _ssabs_4 _ssabs_8 \
+ _ssadd_8 _sssub_8 \
+ _usadd_8 _ussub_8 \
+ _mask1 _ret \
+ _roundqq3 _rounduqq3 \
+ _round_s2 _round_u2 _round_2_const _addmask_2 \
+ _round_s4 _round_u4 _round_4_const _addmask_4 \
+ _round_x8 \
+ _rounddq3 _roundudq3 \
+ _roundda3 _rounduda3 \
+ _roundta3 _rounduta3 \
+
LIB2FUNCS_EXCLUDE = \
_moddi3 _umoddi3 \
- _clz
+ _clz \
+ _clrsbdi2 \
+
# We do not have the DF type.
# Most of the C functions in libgcc2 use almost all registers,
libgcc-s-objects += $(patsubst %,%_s$(objext),$(hiintfuncs16))
endif
-
-# Filter out supported conversions from fixed-bit.c
+###
conv_XY=$(conv)$(mode1)$(mode2)
-conv_X=$(conv)$(mode)
+func_X=$(func)$(mode)
+
+# Compile C functions from lib2funcs.c and add them to libgcc.a.
+#
+# Some functions which are not performance.critical are more convenient
+# to implement in C than in assembler. Most of them serve as implementation
+# for AVR-specific builtins in the case where the address of a builtin
+# function is taken or if there is no insn that implements the builtin.
+#
+# We don't use LIB2ADD because we want to iterate over the source for
+# different modes, fixed-point suffixes, etc. See iter-labels and L_LABEL.
+# iter-label will get one more underscore in order to avoid too short
+# labels like -DLk and we use -DL_k instead.
+
+# Build roundFX functions from lib2funcs.c
+
+round_suffix := hr r lr uhr ur ulr \
+ hk k uhk uk
+round_funcs := $(foreach func,_round,\
+ $(foreach mode,$(round_suffix),$(func_X)))
+
+iter-items := $(round_funcs)
+iter-labels := $(round_suffix)
+iter-flags := $(patsubst %,-DL_round,$(iter-items))
+
+include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/config/avr/lib2-object.mk,$(iter-items))
+
+libgcc-objects += $(patsubst %,%$(objext),$(round_funcs))
+
+# Build clrsbXX functions from lib2funcs.c
+
+clrsb_modes := qi di
+clrsb_funcs := $(foreach func,_clrsb,\
+ $(foreach mode,$(clrsb_modes),$(func_X)))
+
+iter-items := $(clrsb_funcs)
+iter-labels := $(clrsb_funcs)
+iter-flags := $(patsubst %,-DL_clrsb,$(iter-items))
+
+include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/config/avr/lib2-object.mk,$(iter-items))
+
+libgcc-objects += $(patsubst %,%$(objext),$(clrsb_funcs))
+
+# Build signed countlsFX functions from lib2funcs.c
+
+countls_modes := qi hi si di
+countls_funcs := $(foreach func,_countls,\
+ $(foreach mode,$(countls_modes),$(func_X)))
+
+iter-items := $(countls_funcs)
+iter-labels := $(countls_modes)
+iter-flags := $(patsubst %,-DL_countls,$(iter-items))
+
+include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/config/avr/lib2-object.mk,$(iter-items))
+
+libgcc-objects += $(patsubst %,%$(objext),$(countls_funcs))
+
+# Build unsigned countlsFX functions from lib2funcs.c
+
+countlsu_modes := qi hi si di
+countlsu_funcs := $(foreach func,_countlsu,\
+ $(foreach mode,$(countlsu_modes),$(func_X)))
+
+iter-items := $(countlsu_funcs)
+iter-labels := $(countlsu_modes)
+iter-flags := $(patsubst %,-DL_countlsu,$(iter-items))
+
+include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/config/avr/lib2-object.mk,$(iter-items))
+
+libgcc-objects += $(patsubst %,%$(objext),$(countlsu_funcs))
+
+
+# Filter out supported conversions from fixed-bit.c
+# Also filter out TQ and UTQ.
# Conversions 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 conv,_add _sub,\
- $(foreach mode,$(allfix_modes),$(conv_X)3))
+ $(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)))
+
+
+smul_modes = QQ HQ HA SA
+umul_modes = UQQ UHQ UHA USA
+sdiv_modes = QQ HQ HA SA
+udiv_modes = UQQ UHQ UHA USA
+
+LIB2FUNCS_EXCLUDE += \
+ $(foreach func,_mul,\
+ $(foreach mode,$(smul_modes) $(umul_modes),$(func_X)))
+
+LIB2FUNCS_EXCLUDE += \
+ $(foreach func,_div,\
+ $(foreach mode,$(sdiv_modes) $(udiv_modes),$(func_X)))
+
+
+ssmul_modes = HA SA
+usmul_modes = UHA USA
+
+LIB2FUNCS_EXCLUDE += \
+ $(foreach func,_usmul,\
+ $(foreach mode,$(usmul_modes),$(func_X)))
LIB2FUNCS_EXCLUDE += \
- $(foreach conv,_lshr _ashl _ashr _cmp,\
- $(foreach mode,$(allfix_modes),$(conv_X)))
+ $(foreach func,_ssmul,\
+ $(foreach mode,$(ssmul_modes),$(func_X)))
projects / gcc.git / blobdiff