i want to connect gcc's front-end to my'back-end

sorry, my english is not good, Umm... my project is that Connect to Gcc's front-end and My back-end first gcc parse sorce code next gcc make a GENERIC next gcc change GENERIC to GIMPLE next gcc change GIMPLE to RTL next gcc change RTL to assemblely code next ... is it correct? Umm

i want to connect gcc's front-end to my'back-end

i want to connect gcc's front-end to my'back-end how to connect it? first i want to connect gcc's tree IR and my back-end's IR but i can't then i try to connect gcc's RTL that was made -dr option but that is impossible so, i try to use gcc 4.0 i want to use gcc's gimple tree (that is gcc's

RTL?

i am studing RTL that is gcc front-end insn RTX has seven elements ex) (insn id prev next pattern code log_links reg_notes) (insn 12 10 14 (set (reg:QI 12 A0) (reg:QI 1 R1) -1 (nil) (nil)) where i get the impormation about code, log_links, reg_notes---

I have a question for gcc

can i convert RTL to original sorce ?

I have a question for gcc front-end

I am making a back-end compiler to use a gcc front-end I want to translate gcc intermediate representation to our IR gcc's IR is tree so i want to view gcc IR but i can't find view gcc IR option -fdump-translation-unit-all make a .tu file , Is this gcc's IR? but .tu file doesn't have date to