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ABI_SINGLE:=$(findstring __riscv_float_abi_single,$(shell $(gcc_compile_bare) -dM -E - </dev/null))
ABI_DOUBLE:=$(findstring __riscv_float_abi_double,$(shell $(gcc_compile_bare) -dM -E - </dev/null))
ABI_QUAD:=$(findstring __riscv_float_abi_quad,$(shell $(gcc_compile_bare) -dM -E - </dev/null))
softfp_int_modes := si di
softfp_exclude_libgcc2 := n
ifndef ABI_QUAD
ifdef ABI_DOUBLE
softfp_float_modes := tf
softfp_extensions := sftf dftf
softfp_truncations := tfsf tfdf
# Enable divide routines to make -mno-fdiv work.
softfp_extras += divsf3 divdf3
else
# !ABI_DOUBLE
softfp_float_modes := df tf
softfp_extensions := sfdf sftf dftf
softfp_truncations := dfsf tfsf tfdf
ifndef ABI_SINGLE
softfp_float_modes += sf
else
# ABI_SINGLE
# Enable divide routines to make -mno-fdiv work.
softfp_extras += divsf3
endif
endif
else
# ABI_QUAD
# Enable divide routines to make -mno-fdiv work.
softfp_extras += divsf3 divdf3 divtf3
endif
softfp_extensions += hfsf hfdf hftf \
bfsf
softfp_truncations += tfhf dfhf sfhf \
tfbf dfbf sfbf \
hfbf bfhf
softfp_extras += fixhfsi fixhfdi fixunshfsi fixunshfdi \
floatsihf floatdihf floatunsihf floatundihf \
floatsibf floatdibf floatunsibf floatundibf
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