* MIPS int->real conversion: When converting unsigned to single, load it into 64-bit FP register, otherwise further subtracting a 64-bit offset leads to invalid result. Fixes tw17714.pp.
* The addend is endian-dependent, fixes tcnvint4.pp on big-endian targets.


git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@23388 3ad0048d-3df7-0310-abae-a5850022a9f2