Code gen error on PowerPC

[Richard Henderson]

On Wed, Mar 10, 1999 at 10:54:56PM +0100, Franz Sirl wrote:
> Insn 71: dest address src reg 81 benefit 7 used 1 lifetime 1 replaceable mult
> 8 add (plus:SI (plus:SI (reg:SI 88)         (const_int -8))
>     (const_int 4))
> 
> Is this valid at this point? Shouldn't there be a single (plus:SI (reg:SI 88)
> (const_int -4))?

It's certainly not good, but it isn't really evil either, since that
non-canonical expression should only inhibit proper giv reduction.


r~