* device/lib/printf_large.c (output_digit): optimized further, Thanks Frieder

* device/lib/printf_large.c (output_digit): optimized further, Thanks Frieder
* src/ds390/gen.c (emitLabel): new, added,
  (genDjnz): fixed stack overflow bug,
  (throughout): cosmetic changes to sync with mcs51/gen.c,
  replaced emitcode("", "%05d$:", lbl->key + 100) with emitLabel(lbl)
* src/mcs51/gen.c (genEndFunction): small optimization,
  (throughout): cosmetic changes to sync with ds390/gen.c

git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@4204 4a8a32a2-be11-0410-ad9d-d568d2c75423