On 2015-09-30, at 08:55, Steve Smith wrote: > That's plausible. I don't know how old TRKADDR is, but the non-G > expansions would work on ESA. > And as long as the non-G expansions work on all hardwares, multipathing to save a few instructions is a WOMBAT. In contrast, providing a base register independent flavor would have significant value.
> On Wed, Sep 30, 2015 at 10:26 AM, Paul Gilmartin wrote: > >> Is it possible that at the time the macro was coded it was required >> to support non-64-bit hardware, and AMODE64 was a sufficient (though >> not necessary) condition to presume 64-bit support? -- gil
