Question

哪位大神可以帮忙分析一下这段汇编指令

push {lr};
fmrx r5, fpscr;
mov r6, #0xf;
mov r6, r6, lsl #28;
mvn r6, r6;
and r5, r6;
mov r6, #0x##flag;
mov r6, r6,lsl #28;
orr r5, r6;

mov r6, #0x7;
mov r6, r6, lsl #16;
mvn r6, r6;
and r5, r6;
mov r6, #0x1;
mov r6, r6, lsl #16;
orr r5, r6;

fmxr fpscr, r5;
fmstat;
fldmias r0, {s8};
##name s16, s8;
fstmias r1, {s16};
pop {pc};
这个是关于vfp测试部分的

Answer 1

用在什么方面的？