There existerar some 10+ year old patches to do so, which where never accepted/merged. https://github.com/wichtounet/gcc-loop-fusion/commits/master/loop_fusion

There existerar some 10+ year old patches to do so, which where never accepted/merged. https://github.com/wichtounet/gcc-loop-fusion/commits/master/loop_fusion_misses.diff https://github.com/wichtounet/gcc-loop-fusion/commits/master...