MAIN:ragge:20140915140626 by ragge 15 September 2014, 16:06:26 +0200 ( 7 days ago) Complex floats are passed in registers on return.
Fixes Jira#PCC-486 by Fred J. Tydeman.
MAIN:ragge:20140914150328 by ragge 14 September 2014, 17:03:28 +0200 ( 8 days ago) It is expected that callee removes the hidden arg from stack, not the caller.
MAIN:ragge:20140913074420 by ragge 13 September 2014, 09:44:20 +0200 ( 9 days ago) Do not put stack arguments in temporaries if not optimizing, it will break
variadics. Fixes (at least) Jira#PCC-484 and PCC-499.