[PATCH] D49463: [ARM] Add new feature to enable optimizing the VFD registers

[Evandro Menezes via Phabricator via llvm-commits]

evandro added inline comments.


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Comment at: llvm/lib/Target/ARM/ARM.td:200
+// VFP register widths.
+def FeatureStrictVFPWidth : SubtargetFeature<"strict-vfp-sd",
+                                             "StrictVFPWidth", "true",
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sbaranga wrote:
> I think the description/name is somewhat confusing.
> 
> This enables using vdup instructions to move from the vfp execution domain to neon, which on some cores (at least Cortex-A15) is faster.
What do you suggest?


https://reviews.llvm.org/D49463