[PATCH] D13632: AVX512 : i8/i16 vector CTLZ/CTLZ_ZERO_UNDEF lowering

Igor Breger via llvm-commits llvm-commits at lists.llvm.org
Tue Oct 13 05:57:38 PDT 2015


igorb marked 6 inline comments as done.

================
Comment at: lib/Target/X86/X86ISelLowering.cpp:1537
@@ -1529,2 +1536,3 @@
+      setOperationAction(ISD::CTLZ_ZERO_UNDEF,  MVT::v8i16, Custom);
 
       setOperationAction(ISD::CTTZ_ZERO_UNDEF,  MVT::v4i64, Custom);
----------------
RKSimon wrote:
> Is v16i8 not possible here?
CTLZ of v16i8 will be implemented using v16i32 that require hasCDI() only.


Repository:
  rL LLVM

http://reviews.llvm.org/D13632





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