cba300dd7d
libgcc/ PR target/49868 Extend __pgmx semantics to linearize memory. * config/avr/t-avr (LIB1ASMFUNCS): Add _xload_1, _movmemx. * config/avr/lib1funcs.S (__xload_1): New function. (__movmemx_qi, __movmemx_hi): New functions. (__xload_2, __xload_3, __xload_4): Rewrite to fit new __pgmx semantics. gcc/ PR target/49868 Extend __pgmx semantics to linearize memory. * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to determine if code comes inline or from libgcc. (MOVMEM_r_d:HI): Add "w" to constraint for better preference. (movmem_qi, movmem_qi): Set constraint #2 to "n". (movmem_qi_elpm, movmem_hi_elpm): Remove insns. (movmemx_qi, movmemx_hi): New insns. (xload_<mode>_libgcc): Rewrite to new insn condition. (xload_<mode>): Remove insns. * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle cases that don't satisfy avr_xload_libgcc_p(). (avr_addr_space_convert): Allow converting in any direction. (avr_addr_space_subset_p): Return always true. (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics. (avr_emit_movmemhi): Ditto. (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more. (avr_out_movmem): Ditto. (AVR_SYMBOL_FLAG_PROGMEM): New macro. (AVR_SYMBOL_SET_ADDR_SPACE): New macro. (AVR_SYMBOL_GET_ADDR_SPACE): New macro. (avr_encode_section_info): Encode 'progmem' in symbol flags. (output_reload_in_const): Don't zero-extend any 24-bit symbols. From-SVN: r183058
83 lines
1.7 KiB
Text
83 lines
1.7 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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_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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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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