Re: 32 x 32 -> 64 bit widening multiply on x86_64

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Ian Lance Taylor <iant <at> google.com> writes:

> In order to use the 64-bit value, gcc would have
> to generate code to reassemble the two registers into one.  On balance
> it's normally preferable to simply use the 64 x 64 -> 64 multiply.

Ah.  That makes sense.  Thank you.

Mark


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