Uros Bizjak <[EMAIL PROTECTED]> writes: > There is no post-reload cse_condition_code_reg () pass, so perhaps we > have to add one. A cse_condition_code_reg () walks all instructions by > itself, so I'm not sure if some existing post-reload CSE pass could be > enhanced.
The cse_condition_code_reg pass doesn't walk all the instructions. It walks the basic blocks, and looks at the last instruction in each basic block. When it finds an optimization opportunity, it looks at more instructions, but usually only a few more. Ian