| 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 |
