mips .insn指令含义

mips .insn指令是指后面的数据是指令,但在下面的代码中.insn指令什么意思?
__asm__ __volatile__(                                           \
"1: " insn " %1, %3 \n" \
"2: \n" \
[b] " .insn \n" \[/b]
" .section .fixup,\"ax\" \n" \
"3: li %0, %4 \n" \
" j 2b \n" \
" .previous \n" \
" .section __ex_table,\"a\" \n" \
" "__UA_ADDR "\t1b, 3b \n" \
" .previous \n" \
: "=r" (__gu_err), "=r" (__gu_tmp) \
: "0" (0), "o" (__m(addr)), "i" (-EFAULT));
已邀请:

要回复问题请先登录注册