PR/32004, tree-ssa caused in/out asm constraints to often need reloads

[Paolo Bonzini]

Eric Botcazou wrote:
>> His patch did not even touch local-alloc.c at all or anything which
>> could have caused this directly (rtl.def).  So this is a latent bug.

I will look at it and may eventually revert it, but I'll note that this
"brand new pass" just adds a few (set (reg) (reg)).  Other people might 
have just dropped it as part of regmove, would that have been acceptable 
to you?

Paolo