On Thu, 8 Aug 2019, Segher Boessenkool wrote:
> 2) Is it *required*, or can we delete ordered compares in some cases?
> 2a) Like, if we test ab, we only need one compare instruction,
> not the two that are generate right now.
Yes, you only need one ordered compare there. The relevant text
This adds ordered compares to most unordered compares, in rs6000.
It does not handle the XL_COMPAT double-double compares yet (that is
the pattern with 16 operands). It also does not handle the vector
compare instructions; those only exist as unordered, for the equality
comparisons, or as
