On 11/11/2019 14:50, Eric Botcazou wrote: >> Thanks for the explanation. However, I do not understand why are we >> returning with the default value. > > The regression you reported should be clear enough though: if we don't do > that, we will unroll in cases where we would not have before. Try with a > compiler that predates the pragma and compare, there should be no changes. > >> What "do we always do"? > > What we do in the absence of specific unrolling directives for the loop.
Yeah fair enough! Sorry for the trouble. Sudi >
