tys lefering <twlevo@xxxxxxxxx> writes: > using gcc-4.3.2 and tested gcc-4.5 development snapshot noticed that using > 'gcc -da -dv test.c' to generate vcg graph output files these files do not have > "basic block 0" and "basic block 1" in the vcg graph output. > > is this intended and what exactly represent block 0 and block 1 ? Basic block 0 is the entry block. Basic block 1 is the exit block. Neither block contains any statements. gcc used to use -1 and -2 for these, but that was changed to simplify some data structures. Ian
