view libgcc/config/riscv/t-softfp32 @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 1830386684a0
children
line wrap: on
line source

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