Author: Tom Kerrigan
Date: 14:12:17 10/26/01
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Almost all architectures have separate int/fp. Sun's MJAC, or MAJC, or whatever the heck they call it is hailed as somewhat innovative and definitely controversial for combining the two. http://www.cs.earlham.edu/~mutioke/cs63/sparc.htm "The floating point unit has 32 32-bit non windowed registers, which must be saved on a per-context basis" You seem to recognize that the FP registers on x86s are separate from integer registers, so your comment in an earlier post about 64-bit FP values choking the scalar datapath (or whatever you said exactly) makes no sense. The FP data doesn't have to ever be on the scalar datapath unless you explicitly do some converting. -Tom
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