[PATCH] D76705: [SystemZ] Improve foldMemoryOperandImpl: vec->FP conversions

[Ulrich Weigand via Phabricator via llvm-commits]

uweigand added a comment.

Hmm, talking about MemFold, I'm wondering about this:
​  // Fused multiply and add/sub need to have the same dst and accumulator reg.

Given that this check is necessary, what's then the point of having a MemFold for those ternary instructions in the first place?   Can't we then directly emit the target instruction?


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  https://reviews.llvm.org/D76705/new/

https://reviews.llvm.org/D76705