Hello, Is it possible to generate a NOTE instruction at GIMPLE level?
My use case scenario is as below - I want to create a note for __builtin_xyz(_x) such that there is a placeholder just before function call and in RTL pass, I want to modify/assign register number at this placeholder location. _x = (unsigned int) _y; __builtin_xyz(_x); //_x is constant expression For above builtin function call, I want to insert a note just before the function call. I tried generating GIMPLE_NOP instruction as below - _x = (unsigned int) _y; GIMPLE_NOP __builtin_xyz(_x); But as per my understanding, a NOTE instruction behaves similar to GIMPLE_NOP that is to create a placeholder for some computation. 1. Is there any attribute that can be added to GIMPLE instruction? If yes, then there must be a mechanism that translates those attributes to NOTE instructions in the RTL pass? 2. Is there any different approach on achieving above goal? Thanks and Regards, Shubham
