On 06/02/2015 11:39 PM, shmeel gutl wrote: > find_modifiable_mems was introduced to gcc 4.8 in september 2012. Is > there any documentation as to how it is supposed to help the haifa > scheduler?
The patch was submitted here https://gcc.gnu.org/ml/gcc-patches/2012-08/msg00155.html and this message contains a brief explanation of what it is supposed to do. The explanation looks like a useful optimization, but perhaps it is triggering in cases when it shouldn't. Jim
