[PATCH] D14761: [X86][SSE] Detect AVG pattern during instruction combine for SSE2/AVX2/AVX512BW.
Simon Pilgrim via llvm-commits
llvm-commits at lists.llvm.org
Mon Nov 23 07:44:53 PST 2015
RKSimon added inline comments.
================
Comment at: lib/Target/X86/X86ISelLowering.cpp:25347
@@ +25346,3 @@
+ // element is in the range [1, 256].
+ if (IsConstVectorInRange(Operands[1], 1, 256) &&
+ Operands[0].getOpcode() == ISD::ZERO_EXTEND &&
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Shouldn't the upper limit be 65536 for pavgw?
http://reviews.llvm.org/D14761
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