On 5/10/10 10:31 , Kevin Williams wrote: > 1. What is the correct behaviour for a FE in terms of setting the > global variables cfun and current_function_declaration?
They should be set to the current function being parsed. These will be set to NULL when the compiler is working in IPA mode. > 2. It seems that the new api for set_cfun has some side effects on > optimization flags? is this correct? Yes, but only when function-specific optimizations are used. > 3. How should DECL_FUNCTION_SPECIFIC_ > OPTIMIZATION be controled, should the front end be setting these per > function? (I am looking to avoid IPA passes for now) Function-specific optimizations are set an attribute, the FE does not really need to do anything about them (other than making sure they are preserved. Diego.
