+ SPARC: support 8 and 16-bit arithmetic shifts.

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@26330 3ad0048d-3df7-0310-abae-a5850022a9f2
+ SPARC: support optimized 32x32 to 64 bit multiplications.

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@26331 3ad0048d-3df7-0310-abae-a5850022a9f2