[PATCH] D62667: [ARM] Add the non-MVE instructions in Arm v8.1-M.
Dave Green via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Fri May 31 02:16:13 PDT 2019
dmgreen added inline comments.
Comment at: llvm/lib/Target/ARM/ARMScheduleA57.td:98
+ let UnsupportedFeatures = [HasV8_1MMainline, HasMVEInt, HasMVEFloat,
> Why is this needed? And why just the A57?
I think this one is because the schedule has CompleteModel = 1 (it may be the only Arm schedule like that). A similar thing was done for SVE on older CPU's in the AArch64 backend not long ago.
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