benchmarking Poly/ML & floating point
Mon, 11 Sep 2000 19:35:47 -0400 (EDT)
> It can screw you by making the code inside of Real_equal being
> test if x1 != x2
> if true jump
> load %eax with 1
> label: load %eax with 0
> I.e., you can be screwed in either place.
Well, I can attest to the fact that gcc doesn't do that on the function
that Steve described. On the other hand, gcc has "different" code for the
corresponding Real_nequal function; i.e., there are different
instructions, not just a negation of the final setcc condition.