* src/hc08/gen.c (loadRegFromAop): better use of clra & clrx

* src/hc08/gen.c (genAnd, genOr): fixed bug with conditional when
multi-byte volatile operands are used
* src/hc08/gen.c (shiftRLong): fixed bug with wrong rotate direction
* src/hc08/main.c (_hc08_genAssemblerPreamble): moved the built-in
initialization to area GSINIT0 so that it would always precede
any static initializers in GSINIT
* support/regression/tests/zeropad.c: fixed idata define for hc08
* support/regression/tests/bug-927659.c,
* support/regression/tests/float_trans.c: disabled tests for hc08
pending missing library routines
* .version: increased version number to 2.4.4 - hc08 port now passes
regression tests

git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@3462 4a8a32a2-be11-0410-ad9d-d568d2c75423