* src/pic16/device.c: added some debug lines enabled

	* src/pic16/device.c: added some debug lines enabled
	with macro DEBUG_CHECK,
	* src/pic16/genarith.c: more debug in genPlus,
	* (pic16_genUMult8XLit_16, pic16_genUMult8X8_16): removed,
	* (pic16_genUMult16X16_16, pic16_genUMult16XLit_16): NEW,
	* src/pic16/gen.c: added prototypes for pic16_genMult16X16_16,
	* (aopForSym): onStack symbols are re-placed in data memspace,
	and onStack flag is cleared,
	* (pic16_popGetTempReg, pic16_popReleaseTempReg): modified to
	copy temporary pcodeop,
	* (genPcall): added warning for not updating PCLATU,
	* (genFunction): removed test with IFFUNC_CALLEESAVES, its
	always true for pic16 port,
	* (genMultOneWord): NEW, supports integer multiplication,
	* (genMult): modified to call genMultOneWord,
	* (ifxForOp): added warning when return NULL,
	* src/pic16/glue.c (pic16emitRegularMap): symbol implicit
	flag is set before call to operandFromSymbol for implicit
	added structures,
	* src/pic16/main.c (_pic16_finaliseOptions): options.float_rent,
	options.intlong_rent are set by default,
	* (_hasNativeMulFor): modified to allow port generation of integer
	multiplication,
	* src/pic16/ralloc.c (pic16_allocDirReg): commented out line which
	set regtype to REG_SFR for all registers, restricting seting the
	accessBank flag for registers 0<= r < 0x80 and 0xf80<=r<=0xfff,

git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@3248 4a8a32a2-be11-0410-ad9d-d568d2c75423