[PATCH] D145867: [X86][FP16] Optimize FMAXNUM/FMINNUM into SMAX/SMIN for FP16 emulation under fast math

[LuoYuanke via Phabricator via llvm-commits]

LuoYuanke added inline comments.


================
Comment at: llvm/lib/Target/X86/X86ISelLowering.cpp:53178
+      }
+      SDValue Res = DAG.getNode(MinMaxOp, DL, NVT, DAG.getBitcast(NVT, Op0),
+                                DAG.getBitcast(NVT, Op1));
----------------
I forget the encoding of exponent. Is the result same for min(vXf16) and min(i16)?


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  https://reviews.llvm.org/D145867/new/

https://reviews.llvm.org/D145867