[PATCH] D105347: [AMDGPU][GlobalISel] Legalization of G_ROTL and G_ROTR

[Jay Foad via Phabricator via llvm-commits]

foad added inline comments.


================
Comment at: llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp:2765
+    if (isPowerOf2_64(DstTy.getScalarSizeInBits()))
+      Src1 = B.buildFNeg(DstTy, Src1).getReg(0);
+    else
----------------
buildFNeg is only for floating point. You need buildNeg, which does not exist yet, but you could implement it.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D105347/new/

https://reviews.llvm.org/D105347