We have the following C function compiled to RISC-V RV321. The following assembly sequence is equivalent to the C code snippet, but an assembly instruction is missing. what should be XXXX to have an equivalent code? int fun(char a) { fcall(); return a ^ ex50; fun: sp, sp,-16 ra,12(sp) s2,8(sp) s2, a0 fcall addi SW SW mv call XXX ra,12(sp) s2,8(sp) lw lw addi sp,sp,16 jr ra

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We have the following C function compiled to RISC-V RV321. The following assembly sequence is
equivalent to the C code snippet, but an assembly instruction is missing. what should be XXXX to
have an equivalent code?
int fun(char a) {
fcall();
return a ^ 0x50;
}
fun:
sp, sp,-16
ra,12(sp)
s2,8(sp)
s2, a0
addi
SW
SW
mv
call
XXX
fcall
ra,12(sp)
52,8(sp)
lw
lw
addi
sp,sp, 16
jr
ra
O xori x10,s2,51
xori a0,s2,51
O Another instruction
xori a0,s0,80
xori x10,s2,80
Transcribed Image Text:We have the following C function compiled to RISC-V RV321. The following assembly sequence is equivalent to the C code snippet, but an assembly instruction is missing. what should be XXXX to have an equivalent code? int fun(char a) { fcall(); return a ^ 0x50; } fun: sp, sp,-16 ra,12(sp) s2,8(sp) s2, a0 addi SW SW mv call XXX fcall ra,12(sp) 52,8(sp) lw lw addi sp,sp, 16 jr ra O xori x10,s2,51 xori a0,s2,51 O Another instruction xori a0,s0,80 xori x10,s2,80
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