[PATCH] D74436: Change clang option -ffp-model=precise to select ffp-contract=on

Melanie Blower via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Thu May 20 12:13:13 PDT 2021


mibintc added a comment.

In D74436#2190566 <https://reviews.llvm.org/D74436#2190566>, @lebedev.ri wrote:

> In D74436#2190492 <https://reviews.llvm.org/D74436#2190492>, @lebedev.ri wrote:
>
>> <...>
>
> And by codegen changes i mostly mean newly-set/now-unset fp fast-math instruction flags.

I added some codegen tests to show you what ffp-contract is doing: the tests added are: ffp-contract={on,off,fast} * {ffast-math * fno-fast-math}


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D74436/new/

https://reviews.llvm.org/D74436



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