Richard Biener <richard.guent...@gmail.com> > It happens that on some targets doing two FMAs in parallel and one > non-FMA operation merging them is faster than chaining three FMAs...
Like I mentioned in the PR, long chains should be broken, but for that we need a new parameter to state how long a chain may be before it is split. The issue today is that it splits even very short chains, removing beneficial FMAs. > But yes, somewhere I suggested that FMA detection should/could be > integrated with reassociation. Absolutely. Wilco
