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[X86][Btver2] PSUBS/PSUBUS instructions are zero-idioms
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Fri, 28 Sep 2018 14:20:42 +0000 (14:20 +0000)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Fri, 28 Sep 2018 14:20:42 +0000 (14:20 +0000)
commit9a43bbc36da6eb891710d6742a787080a6d0da04
treea60675c7ed1a3af3a945e0c30270a2ba618fc38etree | snapshot
parent13e2d88349da1e296c855747d8fee88b8bae05cecommit | diff
[X86][Btver2] PSUBS/PSUBUS instructions are zero-idioms

Noticed during llvm-exegesis tests, the PSUBS/PSUBUS instructions have the same zero-idiom behaviour to PSUB

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@343321 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/X86/X86ScheduleBtVer2.td diff | blob | history
test/tools/llvm-mca/X86/BtVer2/zero-idioms.s diff | blob | history
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