[PATCH] D74436: Change clang default to -ffp-model=precise

2020-02-11 Thread Roman Lebedev via Phabricator via cfe-commits
lebedev.ri added inline comments. Herald added a subscriber: wuzish. Comment at: clang/docs/UsersManual.rst:1388 - * ``precise`` Disables optimizations that are not value-safe on floating-point data, although FP contraction (FMA) is enabled (``-ffp-contract=fast``). This i

[PATCH] D74436: Change clang default to -ffp-model=precise

2020-02-11 Thread Melanie Blower via Phabricator via cfe-commits
mibintc created this revision. mibintc added reviewers: andrew.w.kaylor, lebedev.ri, rjmccall, sepavloff. Herald added subscribers: kbarton, nemanjai. Herald added a project: clang. This patch establishes the default option for -ffp-model to select "precise". Further, -ffp-model=precise also ena