0bd99911ee
libgcc/ChangeLog:
2017-02-06 Palmer Dabbelt <palmer@dabbelt.com>
* config.host: Add RISC-V tuples.
* config/riscv/atomic.c: New file.
* config/riscv/crti.S: Likewise.
* config/riscv/crtn.S: Likewise.
* config/riscv/div.S: Likewise.
* config/riscv/linux-unwind.h: Likewise.
* config/riscv/muldi3.S: Likewise.
* config/riscv/multi3.S: Likewise.
* config/riscv/save-restore.S: Likewise.
* config/riscv/sfp-machine.h: Likewise.
* config/riscv/t-elf: Likewise.
* config/riscv/t-elf32: Likewise.
* config/riscv/t-elf64: Likewise.
* config/riscv/t-softfp32: Likewise.
* config/riscv/t-softfp64: Likewise.
From-SVN: r245226
27 lines
645 B
Plaintext
27 lines
645 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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else
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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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endif
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endif
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endif
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