44 lines
939 B
Plaintext
44 lines
939 B
Plaintext
ABI_SINGLE:=$(findstring __riscv_float_abi_single,$(shell $(gcc_compile_bare) -dM -E - </dev/null))
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ABI_DOUBLE:=$(findstring __riscv_float_abi_double,$(shell $(gcc_compile_bare) -dM -E - </dev/null))
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ABI_QUAD:=$(findstring __riscv_float_abi_quad,$(shell $(gcc_compile_bare) -dM -E - </dev/null))
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softfp_int_modes := si di
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softfp_exclude_libgcc2 := n
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ifndef ABI_QUAD
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ifdef ABI_DOUBLE
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softfp_float_modes := tf
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softfp_extensions := sftf dftf
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softfp_truncations := tfsf tfdf
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# Enable divide routines to make -mno-fdiv work.
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softfp_extras := divsf3 divdf3
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else
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# !ABI_DOUBLE
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softfp_float_modes := df tf
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softfp_extensions := sfdf sftf dftf
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softfp_truncations := dfsf tfsf tfdf
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ifndef ABI_SINGLE
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softfp_float_modes += sf
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else
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# ABI_SINGLE
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# Enable divide routines to make -mno-fdiv work.
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softfp_extras := divsf3
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endif
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endif
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else
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# ABI_QUAD
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# Enable divide routines to make -mno-fdiv work.
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softfp_extras := divsf3 divdf3 divtf3
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endif
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