[PATCH] D101053: [doc] Clarify constrained fcmps behavior

Thomas Preud'homme via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Apr 22 06:01:32 PDT 2021


thopre added a comment.

In D101053#2708365 <https://reviews.llvm.org/D101053#2708365>, @uweigand wrote:

> I don't believe this change is correct.    Note that even if an exception is raised, the instruction may still have a **result** (if exceptions are configured to only set a flag bit and not actually trap).  This result will still be different for ordered vs. unordered comparisons.

Oh I see, I guess it needs clarification even more then. I'll adapt the patch accordingly, thanks.


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