[PATCH] D141074: Avoid converting 64-bit integers to floating point using x87 on Windows

[Phoebe Wang via Phabricator via llvm-commits]

pengfei added inline comments.


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Comment at: llvm/lib/Target/X86/X86ISelLowering.cpp:21371
 
+  // Windows default precision control is only 56-bit.
+  if (SrcVT == MVT::i64 && Subtarget.isOSWindows())
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What to do if user changes the default precision? Besides, our down stream offers option to help user to set higher percision.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D141074/new/

https://reviews.llvm.org/D141074