Re: broken compiler?

[Ulf Carlsson <ulfc@xxxxxxxxxxxxxxxxxxxx>]

> Right away, you can see that the way test5() loads the value is
> 
> lui     v0,0x801c
> daddiu  v0,v0,-19064
> lw      a1,0(v0)
> 
> whereas test4() loads it using
> 
> lui     a1,0x801c
> ld      a1,-19064(a1)

It looks good except that you're using lw in the first case and ld in the
second case.  That has been a common problem in the mips64 port.

> Now, I don't see any problems with the test4() code, but I would like
> to change the code to something like
> 
> lui   X,0x801c
> ld    a1,-19064(X)

This is ok, you can use the same register as base and target.

Ulf