This reminds me of fasm, the only assembler immediately coming to mind that will do multi-pass branch optimisation by default. Most other assemblers either choose the long form always unless specified explicitly as "jmps" or "jmp short" (and then complain when the target turns out to be too far away), or the short form only if the destination is known when it's encountered (backwards jump).
I've long held the opinion that O0 on all the major compilers should be considered more like an O-1 because of the glaring stupidities it leaves in its output, which almost looks like it was pessimising instead of not optimising.
I've long held the opinion that O0 on all the major compilers should be considered more like an O-1 because of the glaring stupidities it leaves in its output, which almost looks like it was pessimising instead of not optimising.
This article is also only the 2nd time I've seen "relaxation" used in this context. The first was https://news.ycombinator.com/item?id=10219007 over 8 years ago.