1ABI_SINGLE:=$(findstring __riscv_float_abi_single,$(shell $(gcc_compile_bare) -dM -E - </dev/null)) 2ABI_DOUBLE:=$(findstring __riscv_float_abi_double,$(shell $(gcc_compile_bare) -dM -E - </dev/null)) 3ABI_QUAD:=$(findstring __riscv_float_abi_quad,$(shell $(gcc_compile_bare) -dM -E - </dev/null)) 4 5softfp_int_modes := si di 6softfp_exclude_libgcc2 := n 7 8ifndef ABI_QUAD 9ifdef ABI_DOUBLE 10 11softfp_float_modes := tf 12softfp_extensions := sftf dftf 13softfp_truncations := tfsf tfdf 14 15else 16 17softfp_float_modes := df tf 18softfp_extensions := sfdf sftf dftf 19softfp_truncations := dfsf tfsf tfdf 20 21ifndef ABI_SINGLE 22softfp_float_modes += sf 23endif 24 25endif 26endif 27