[Bug target/46208] redundant extensions of argument registers

[ebotcazou at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46208

--- Comment #6 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2010-11-08 17:46:31 UTC ---
> I was just looking into the same problem with MIPS too. I almost think
> TARGET_PROMOTE_PROTOTYPES in all targets be removed but that is up to each
> target maintainer.

Yes, this should make sense with sane ABIs.  But IIRC the ARM has a comment
saying that it cannot return false unconditionally.