--- Ian Lance Taylor <iant@xxxxxxxxxx> wrote: > Mohamed Shafi <shafitvm@xxxxxxxxx> writes: > > > I am upgrading a cross compiler from 3.2 to 3.4.6 > > I had to change some of the TARGET description > macros in target.h file > > for otherwise while building i am getting "attempt > to use poisoned" errors > > It's OK to send this kind of question to > gcc@xxxxxxxxxxx, since it > concerns doing development with gcc rather than > merely using gcc. > > > 2. #define CONST_COSTS(RTX, CODE, OUTER_CODE) > \ > > case CONST_INT: \ > > return target_const_costs (RTX, > OUTER_CODE); \ > > case CONST: \ > > return 5; > \ > > case LABEL_REF: \ > > return 1; > \ > > case SYMBOL_REF: \ > > return ((TARGET_SMALL_MODEL)? 2: 3); > \ > > case CONST_DOUBLE: \ > > return 10; > > > > i dont know the corresponding macro in > 3.4.6 > > This is also part of TARGET_RTX_COSTS. > > > except for TARGET_CPU_CPP_BUILTINS i dont know > how to rewrite the existing > > macros for 3.4.6 > > The macros are now functions in the CPU.c file. > Define the TARGET_XXX > macro in your CPU.c file to be the name of the > static function in that > file which implements the functionality. See the > many examples in the > existing backends. > > Ian > thanks for the help.... i digged out more from the internals of the GCC .3.4.6 regards, shafi __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com
