RISCV rv32g undefined reference to `__divdi3'

[panjea]

is nnom compatible with RISCV 32bit rv32g?

['/home/rap/gir/riscv32/bin/riscv32-unknown-elf-gcc', '-march=rv32g', '-mabi=ilp32', '-static', '-mcmodel=medany', '-fvisibility=hidden', '-nostdlib', '-nostartfiles', '-T/tmp/riscv.ld', '-o', '/tmp/riscv.riscv.32.bin', '/tmp/riscv.s', './nnom/src/core/nnom_tensor.c.o', './nnom/src/core/nnom_layers.c.o', './nnom/src/core/nnom.c.o', './nnom/src/core/nnom_utils.c.o', './nnom/src/layers/nnom_reshape.c.o', './nnom/src/layers/nnom_sumpool.c.o', './nnom/src/layers/nnom_dw_conv2d.c.o', './nnom/src/layers/nnom_output.c.o', './nnom/src/layers/nnom_flatten.c.o', './nnom/src/layers/nnom_rnn.c.o', './nnom/src/layers/nnom_zero_padding.c.o', './nnom/src/layers/nnom_upsample.c.o', './nnom/src/layers/nnom_maxpool.c.o', './nnom/src/layers/nnom_cropping.c.o', './nnom/src/layers/nnom_conv2d_trans.c.o', './nnom/src/layers/nnom_baselayer.c.o', './nnom/src/layers/nnom_concat.c.o', './nnom/src/layers/nnom_lstm_cell.c.o', './nnom/src/layers/nnom_avgpool.c.o', './nnom/src/layers/nnom_lambda.c.o', './nnom/src/layers/nnom_activation.c.o', './nnom/src/layers/nnom_matrix.c.o', './nnom/src/layers/nnom_input.c.o', './nnom/src/layers/nnom_dense.c.o', './nnom/src/layers/nnom_softmax.c.o', './nnom/src/layers/nnom_conv2d.c.o', './nnom/src/layers/nnom_simple_cell.c.o', './nnom/src/layers/nnom_global_pool.c.o', './nnom/src/layers/nnom_gru_cell.c.o', './nnom/src/backends/nnom_local.c.o', './nnom/src/backends/nnom_local_q15.c.o', '/tmp/nnomtest.c.o']
/home/rap/gir/riscv32/bin/../lib/gcc/riscv32-unknown-elf/12.1.0/../../../../riscv32-unknown-elf/bin/ld: ./nnom/src/backends/nnom_local_q15.c.o: in function `.L317':
nnom_local_q15.c:(.text+0x4e74): undefined reference to `__divdi3'
collect2: error: ld returned 1 exit status

[fortunerains]

The package can be ported to the K210，and I used it