[PATCH] [x86] set default reciprocal (division and square root) codegen to match GCC

[Sanjay Patel]

In http://reviews.llvm.org/D10396#191356, @ahatanak wrote:

> I just want to make sure I understand where this is headed. The recip flag and refinement step are eventually going to be added to the IR fast-math flags and propagated to the DAG nodes, is that correct?


That's correct, assuming there are no showstoppers for FMF in the DAG. The alternative would be to add a function attribute for this. Without one of those solutions, it's my understanding that we can't specify recip codegen when using LTO.


http://reviews.llvm.org/D10396

EMAIL PREFERENCES
  http://reviews.llvm.org/settings/panel/emailpreferences/