On Wednesday, 15 July 2015 at 09:52:28 UTC, Walter Bright wrote:
You also said:"I use the GCC extensions/compiler hints…" Being extensions, they aren't part of C itself.
Yes, I use them in hot spots, because I think it makes sense to explicitly vectorize a loop if I make it a requirement. The annotations document what I want from the loop.
I don't have to, I could recompile until the asm looks right. But that is more tedium and code changes down the road can affect it.
