[PATCH] D67311: [X86] Add prefer-128-bit subtarget feature.
Craig Topper via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Fri Sep 6 21:37:53 PDT 2019
craig.topper created this revision.
craig.topper added reviewers: RKSimon, echristo, spatel, atdt.
Herald added a subscriber: hiraditya.
Herald added a project: LLVM.
Similar to the previous prefer-256-bit flag. We might want to
enable this by default some CPUs. This just starts the initial
work to implement and prove that it effects TTI's vector width.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D67311
Files:
llvm/lib/Target/X86/X86.td
llvm/lib/Target/X86/X86Subtarget.cpp
llvm/lib/Target/X86/X86Subtarget.h
llvm/lib/Target/X86/X86TargetTransformInfo.h
llvm/test/Transforms/SLPVectorizer/X86/arith-add.ll
llvm/test/Transforms/SLPVectorizer/X86/arith-fp.ll
llvm/test/Transforms/SLPVectorizer/X86/arith-mul.ll
llvm/test/Transforms/SLPVectorizer/X86/arith-sub.ll
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