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The following archive was created by hippie-mail 7.98617-22 on Sat Apr 10 1999 - 01:15:19
Bill Sommerfeld (sommerfeld@orchard.arlington.ma.us)
Mon, 05 Oct 1998 22:39:16 -0400
while we're in comparitive architecture mode, PA-RISC has "shift
double", (some call this a "funnel shift") which is essentially:
r3 = (r1 << n) | (r2 >> (32-n))
with `n' either a constant or taken from a special `shift amount
register'.
If r1==r2, this gives you a rotate. It's also potentially useful in
other situations (e.g., bitblt)
- Bill
The following archive was created by hippie-mail 7.98617-22 on Sat Apr 10 1999 - 01:15:19