[PATCH] D41440: [X86][SSE] Split large PAVGB/PAVGW vectors to legal widths
Simon Pilgrim via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Dec 21 05:54:51 PST 2017
RKSimon updated this revision to Diff 127869.
RKSimon added a comment.
Don't bother checking for whole vector sizes - the isPowerOf2_32 test will handle it.
@craig.topper I added a v48i8 test at https://reviews.llvm.org/rL321261 - do you think its worth me generalizing this further to support irregular sized vectors like that?
Repository:
rL LLVM
https://reviews.llvm.org/D41440
Files:
lib/Target/X86/X86ISelLowering.cpp
test/CodeGen/X86/avg-mask.ll
test/CodeGen/X86/avg.ll
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