Hi, SDCC does not reserve the register banks for interrupts. And it should use unused banks for data storage automatically. Are you perhaps using an ancient version of SDCC? Or some special command line options?
Maarten > Saleemuddin Mohd schreef: > > Hi All, > > > > I am compiling my application code with small-model and stack-auto > > flags. The generated .mem file shows that register bank 0 is being > > used for the whole application. The other register banks 1,2,3 are not > > being used at all. Data starts storing at 20H i.e after the end of the > > register banks and then the stack follows. Since we are using only one > > register bank can we make use of other reg bank for data storage i.e > > let data starts at 08H. This will give more stack space for re-entrant > > functions. > > > > > I think the reason for these extra registers not being used as storage > is that you can assign those register banks to specific interrupt > functions which saves quite a lot of push and pop instructions and thus > stack space. > > Gert ------------------------------------------------------------------------------ The Palm PDK Hot Apps Program offers developers who use the Plug-In Development Kit to bring their C/C++ apps to Palm for a share of $1 Million in cash or HP Products. Visit us here for more details: http://ad.doubleclick.net/clk;226879339;13503038;l? http://clk.atdmt.com/CRS/go/247765532/direct/01/ _______________________________________________ Sdcc-user mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/sdcc-user
