The commit mentionned in the description concern the bswap pass which is enabled at O2 and Os. No need to resort to -O1 though, -fno-expensive-optimizations should be enough to disable it.
The commit mentionned in the description concern the bswap pass which is enabled at O2 and Os. No need to resort to -O1 though, -fno-expensive- optimizations should be enough to disable it.