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[RISCV] Use ZeroOrNegativeOneBooleanContent for vectors.
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Authored by craig.topper on Jun 5 2021, 1:12 PM.



We use i1 vectors for boolean results for V so the difference between
one and negative probably doesn't matter in most cases. Zero or negative
one is consistent with the P extension if we ever need V and P to co-exist.

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craig.topper created this revision.Jun 5 2021, 1:12 PM
craig.topper requested review of this revision.Jun 5 2021, 1:12 PM
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I'm not familiar enough with all the decisions this affects but I agree that it should be the same. Have you seen any changes introduced by this? I'm assuming you may have tried it downstream, for example.