* SPARC: convert from int64/qword to float using genmath helpers. Removes dependency on softfloat code.

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@26262 3ad0048d-3df7-0310-abae-a5850022a9f2
* SPARC: removed 32 bit shift code, and adjusted 64-bit shifts to take advantage of 3-address instructions (a port of r26142 for MIPS)

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@26263 3ad0048d-3df7-0310-abae-a5850022a9f2