Richard Henderson wrote: > On 08/04/2011 09:04 AM, Denis Chertykov wrote: >> Thank you for explanation. >> I have a very clean understanding of whole picture. >> May be better to use define_peephole2 with 3 insns as input and 1 as >> output for easy understanding. > > *shrug* Maybe. Then you also have to check for whether TMP > is dead. It just seemed tidier to me to let DCE do its job. > > > r~
If it's just for understanding, simply add comments! Comments in the source explaining what's going on is always appreciated. Johann
