* src/z80/ralloc.c (packRegsForHLUse): Banned IFXs from being packed into HL.

	* src/z80/ralloc.c (packRegsForHLUse): Banned IFXs from being packed into HL.
	(packRegsForHLUse): Added rule to pack address of/pointer get for itemps into HL for the Z80.
	(packRegsForAccUse2): Added rule to pack hbit IFXs into A.

	* src/z80/main.c (_setDefaultOptions): Made float code re-entrant by default.

	* src/z80/gen.c (aopGetLitWordLong): Added word support for floats.
	(genNotFloat): Added.
	(genUminusFloat): Added.

	* device/lib/z80/Makefile: Added floating pt stubs.

	* device/lib/Makefile.in (Z80SOURCES): Added floating pt support.

	* src/z80/gen.c (genIpush): Fixed up a push of one byte when left is in a pair.

	* device/lib/_fsadd.c (__fsadd): Fixed up return where the numbers are hugely different.

git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@1524 4a8a32a2-be11-0410-ad9d-d568d2c75423