[PATCH] D69175: [X86][SSE] LowerUINT_TO_FP_i64 - only use HADDPD for size/fast-hops

Craig Topper via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Sun Oct 20 11:17:05 PDT 2019


craig.topper added a comment.

In D69175#1715853 <https://reviews.llvm.org/D69175#1715853>, @mstorsjo wrote:

> This broke building ffmpeg/libav for mingw, with errors like "Cannot select: t22: v2f64 = X86ISD::FHADD t21, t21". See https://bugs.llvm.org/show_bug.cgi?id=43729 for details.


I think we just need to add “Subtarget.hasSSE3() &&” before the call to shouldUseHorizontal.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D69175/new/

https://reviews.llvm.org/D69175





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