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Enable Cat of Zero Element Vec (bp #1623) #1627

Merged
merged 1 commit into from
Oct 19, 2020
Merged

Enable Cat of Zero Element Vec (bp #1623) #1627

merged 1 commit into from
Oct 19, 2020

Commits on Oct 19, 2020

  1. Enable Cat of Zero Element Vec (#1623) 

    * Return 0.U for asUInt of a zero-element Seq

Add a condition to SeqUtils.asUInt to have it return an unspecified
width 0.U when applied to an empty sequence. This enables the ability
to do a Cat of a zero-element sequence.

Signed-off-by: Schuyler Eldridge <schuyler.eldridge@sifive.com>

* Test elaboration of Cat on zero-element Seq

Signed-off-by: Schuyler Eldridge <schuyler.eldridge@sifive.com>
(cherry picked from commit ac641fb)
    @seldridge
    seldridge authored and mergify-bot committed Oct 19, 2020
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