[PATCH] D49375: [NEON] Define half-precision vmaxnm intrinsics only when available

Sjoerd Meijer via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Mon Jul 23 06:43:17 PDT 2018


SjoerdMeijer added inline comments.


================
Comment at: include/clang/Basic/arm_neon.td:1466
   def VMINH         : SInst<"vmin", "ddd", "hQh">;
-  def FMAXNMH       : SInst<"vmaxnm", "ddd", "hQh">;
-  def FMINNMH       : SInst<"vminnm", "ddd", "hQh">;
+  let ArchGuard = "__ARM_ARCH >= 8 && defined(__ARM_FEATURE_NUMERIC_MAXMIN) && defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC)" in {
+    def FMAXNMH       : SInst<"vmaxnm", "ddd", "hQh">;
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kosarev wrote:
> SjoerdMeijer wrote:
> > nit: indentation?
> Do we want some special indentation here?
Ah, sorry, got confused, it's just one big string. 


https://reviews.llvm.org/D49375





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