[Bug c/48274] C frontend emit invalid promotions

[matz at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48274

--- Comment #2 from Michael Matz <matz at gcc dot gnu.org> 2011-03-24 14:51:08 UTC ---
It's x86_64-linux and indeed it does define that hook.  Like 19 other targets.
This is quite inconvenient.  The target should have a say in what instructions
are generated (as in influencing the setup of RTL call, and setup of arguments
in the callee, also at RTL), not on the types the middle end sees.  Sigh.