[PATCH] D55787: [X86] Use UADDSAT/USUBSAT instead of ADDUS/SUBUS
Nikita Popov via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Dec 17 15:52:05 PST 2018
nikic updated this revision to Diff 178550.
nikic added a comment.
Handle 256-bit vector split, add vector tests for llvm.uadd.sub, llvm.usub.sat.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D55787/new/
https://reviews.llvm.org/D55787
Files:
lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
lib/Target/X86/X86ISelLowering.cpp
lib/Target/X86/X86ISelLowering.h
lib/Target/X86/X86InstrAVX512.td
lib/Target/X86/X86InstrFragmentsSIMD.td
lib/Target/X86/X86InstrSSE.td
test/CodeGen/X86/uadd_sat_vec.ll
test/CodeGen/X86/usub_sat_vec.ll
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