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    e723773c
    From Raymond Toy: · e723773c
    dtc authored
    o  Enable the v9 version of emit-multiply.  This is slightly slower
       than the v8 version, but doesn't use the deprecated instructions
       and registers.  This approximately doubles the speed of bignum
       multiplies.
    
    o  Add a v9 version of bignum::%floor.  This approximately doubles the
       speed of bignum floors.  No v8 version because the divide
       instruction might overflow.
    e723773c
    History
    From Raymond Toy:
    dtc authored
    o  Enable the v9 version of emit-multiply.  This is slightly slower
       than the v8 version, but doesn't use the deprecated instructions
       and registers.  This approximately doubles the speed of bignum
       multiplies.
    
    o  Add a v9 version of bignum::%floor.  This approximately doubles the
       speed of bignum floors.  No v8 version because the divide
       instruction might overflow.