There has been quite a discussion about this on the microchip forum.

http://www.microchip.com/forums/m884056.aspx

>=20
> I just made a jump in my MPLAB-X version, I was well behind, and decided =
to
> update compilers while I was at it.
>=20
> A small program that basically just displays some stuff on an LCD more th=
an
> doubled in size going from v1.23 to v1.25 of XC16.  It isn't the IDE; I c=
an switch
> back and forth between compilers and the code size is still way larger wi=
th
> the newer compiler.
>=20
> Using the -no-legacy-libc switch changes nothing, not even a single byte
> difference.
>=20
> The only release notes mention of code size is:
>=20
> "We have made some significant code-size improvements"
>=20
> Does anyone have any idea what is going on?  In my world, more than a 2.5=
X
> increase in code size doesn't count as an "improvement".
>=20
> Part is a dsPIC33EV256GM102.
>=20
> I tried a few PIC24 programs and the result was similar.  In one case the=
 code
> grew to over 4 times its original size.
>=20
> --McD

--=20
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