The documentation I find online for modifying gcc is rather old. Is there an up to date map of at least where in gcc the different stages occur?
Suppose I just want to modify the instruction emitted for the "*" operator. Where is that? Gry On Wed, Apr 1, 2015 at 2:19 AM, Richard Biener <richard.guent...@gmail.com> wrote: > On Wed, Apr 1, 2015 at 12:20 AM, Gry Gunvor <gry.gun...@gmail.com> wrote: >> I want to modify gcc 4.9.2 so that array subscripting expressions a[b] >> generate a new instruction/syscall foo(a, b) (that is, taking a and b >> as arguments) rather than just being turned into *(a+b). >> >> Further, I want accesses into multi-dimensional arrays a[b][c] to turn >> into foo(a, (b * row_size + c)) rather than *(a + b * row_size + c). >> >> Any help finding a simple and robust way to do this would be greatly >> appreciated. > > You probably want to do this in the frontends. > > Richard. > >> Gry