cross compile error when using mips gcc

[mchfut]

There's embedded asm code in checksum.c, some errors occurred when compiling with mips-gcc, Macro NO_ASM can not avoid of that problem.

/tmp/cczDJOkb.s: Assembler messages:
/tmp/cczDJOkb.s:229: Error: unrecognized opcode addl 16($16),$4' /tmp/cczDJOkb.s:230: Error: unrecognized opcodeadcl 12($16),$4'
/tmp/cczDJOkb.s:231: Error: unrecognized opcode adcl $2,$4' /tmp/cczDJOkb.s:232: Error: unrecognized opcodeadcl $0,$4'
/tmp/cczDJOkb.s:238: Error: unrecognized opcode addl $4,$3' /tmp/cczDJOkb.s:239: Error: unrecognized opcodeadcl $0xffff,$3'
/tmp/cczDJOkb.s:278: Error: unrecognized opcode addl 16($16),$4' /tmp/cczDJOkb.s:279: Error: unrecognized opcodeadcl 12($16),$4'
/tmp/cczDJOkb.s:280: Error: unrecognized opcode adcl $2,$4' /tmp/cczDJOkb.s:281: Error: unrecognized opcodeadcl $0,$4'
/tmp/cczDJOkb.s:287: Error: unrecognized opcode addl $4,$3' /tmp/cczDJOkb.s:288: Error: unrecognized opcodeadcl $0xffff,$3'
/tmp/cczDJOkb.s:363: Error: unrecognized opcode addl $2,$3' /tmp/cczDJOkb.s:364: Error: unrecognized opcodeadcl $0xffff,$3'
/tmp/cczDJOkb.s:437: Error: unrecognized opcode addl $2,$3' /tmp/cczDJOkb.s:438: Error: unrecognized opcodeadcl $0xffff,$3'