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    SubjectRe: [RFC][PATCH 0/3] gcc work-around and math128
    On Tue, Apr 24, 2012 at 2:15 PM, Andy Lutomirski <> wrote:
    > I played with some of this stuff awhile ago, and for timekeeping, it
    > seemed like a 64x32->96 bit multiply followed by a right shift was
    > enough, and that operation is a lot faster on 32-bit architectures than
    > a full 64x64->128 multiply.

    Ack. That may sound like odd numbers, but 64x32->96 sounds sane. And I
    think it avoids a multiply even on 64-bit, no?


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