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vrsub.vi, used as negation
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Would be mostly redundant with vadd.vi, since the immediate operand is signed. (Same reason the scalar ISA doesn’t provide a subi instruction.)
On Fri, Aug 7, 2020 at 8:52 AM CDS <cohen.steed@...> wrote:
Is the point of vrsub.vi to provide negation? From a compiler/user perspective, completing the vsub pattern with vsub.vi (even as a virtual instruction) may be a usability enhancement to consider.
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