[PATCH] D57143: [builtins] Rounding mode support for addxf3/subxf3

[Peter Smith via Phabricator via llvm-commits]

peter.smith added a comment.

In D57143#1378752 <https://reviews.llvm.org/D57143#1378752>, @peter.smith wrote:

> The mix of soft-floating point and hard-floating point (with soft-float interface) can happen on embedded systems code as well. The solution Arm's proprietary toolchain had to this problem is for the linker to select libraries based on build-attibutes. It would detect the rounding mode build attribute and select the appropriate library variant, but that isn't available to us here. A colleague suggested an easily available customisation point that someone that had a local need for a different rounding mode could implement.


I'm happy with Yi's latest update. Do we have anyone left with any objections? If there aren't any I'm inclined to approve.


Repository:
  rCRT Compiler Runtime

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D57143/new/

https://reviews.llvm.org/D57143